11 #ifdef HAVE_SYS_STATVFS_H
12 #include <sys/statvfs.h>
14 #if defined(HAVE_SYS_STATFS_H)
15 #include <sys/statfs.h>
17 #if defined(HAVE_SYS_PARAM_H) && defined(HAVE_SYS_MOUNT_H)
18 #include <sys/param.h>
19 #include <sys/mount.h>
21 #include <sys/types.h>
25 #include <sys/ioctl.h>
27 #include <mono/utils/linux_magic.h>
35 #include "w32file-internals.h"
37 #include "w32file-unix-glob.h"
38 #include "w32handle.h"
40 #include "utils/mono-io-portability.h"
41 #include "utils/mono-logger-internals.h"
42 #include "utils/mono-os-mutex.h"
43 #include "utils/mono-threads.h"
44 #include "utils/mono-threads-api.h"
45 #include "utils/strenc.h"
56 /* Currently used for both FILE, CONSOLE and PIPE handle types.
57 * This may have to change in future. */
60 FileShare *share_info; /* Pointer into shared mem */
62 guint32 security_attributes;
76 * If SHM is disabled, this will point to a hash of FileShare structures, otherwise
77 * it will be NULL. We use this instead of _wapi_fileshare_layout to avoid allocating a
80 static GHashTable *file_share_table;
81 static MonoCoopMutex file_share_mutex;
84 time_t_to_filetime (time_t timeval, FILETIME *filetime)
88 ticks = ((guint64)timeval * 10000000) + 116444736000000000ULL;
89 filetime->dwLowDateTime = ticks & 0xFFFFFFFF;
90 filetime->dwHighDateTime = ticks >> 32;
94 file_share_release (FileShare *share_info)
96 /* Prevent new entries racing with us */
97 mono_coop_mutex_lock (&file_share_mutex);
99 g_assert (share_info->handle_refs > 0);
100 share_info->handle_refs -= 1;
102 if (share_info->handle_refs == 0)
103 g_hash_table_remove (file_share_table, share_info);
105 mono_coop_mutex_unlock (&file_share_mutex);
109 file_share_equal (gconstpointer ka, gconstpointer kb)
111 const FileShare *s1 = (const FileShare *)ka;
112 const FileShare *s2 = (const FileShare *)kb;
114 return (s1->device == s2->device && s1->inode == s2->inode) ? 1 : 0;
118 file_share_hash (gconstpointer data)
120 const FileShare *s = (const FileShare *)data;
126 file_share_get (guint64 device, guint64 inode, guint32 new_sharemode, guint32 new_access,
127 guint32 *old_sharemode, guint32 *old_access, FileShare **share_info)
129 FileShare *file_share;
130 gboolean exists = FALSE;
132 /* Prevent new entries racing with us */
133 mono_coop_mutex_lock (&file_share_mutex);
138 * Instead of allocating a 4MB array, we use a hash table to keep track of this
139 * info. This is needed even if SHM is disabled, to track sharing inside
140 * the current process.
142 if (!file_share_table)
143 file_share_table = g_hash_table_new_full (file_share_hash, file_share_equal, NULL, g_free);
148 file_share = (FileShare *)g_hash_table_lookup (file_share_table, &tmp);
150 *old_sharemode = file_share->sharemode;
151 *old_access = file_share->access;
152 *share_info = file_share;
154 g_assert (file_share->handle_refs > 0);
155 file_share->handle_refs += 1;
159 file_share = g_new0 (FileShare, 1);
161 file_share->device = device;
162 file_share->inode = inode;
163 file_share->sharemode = new_sharemode;
164 file_share->access = new_access;
165 file_share->handle_refs = 1;
166 *share_info = file_share;
168 g_hash_table_insert (file_share_table, file_share, file_share);
171 mono_coop_mutex_unlock (&file_share_mutex);
177 _wapi_open (const gchar *pathname, gint flags, mode_t mode)
180 gchar *located_filename;
182 if (flags & O_CREAT) {
183 located_filename = mono_portability_find_file (pathname, FALSE);
184 if (located_filename == NULL) {
186 fd = open (pathname, flags, mode);
190 fd = open (located_filename, flags, mode);
192 g_free (located_filename);
196 fd = open (pathname, flags, mode);
198 if (fd == -1 && (errno == ENOENT || errno == ENOTDIR) && IS_PORTABILITY_SET) {
199 gint saved_errno = errno;
200 located_filename = mono_portability_find_file (pathname, TRUE);
202 if (located_filename == NULL) {
208 fd = open (located_filename, flags, mode);
210 g_free (located_filename);
218 _wapi_access (const gchar *pathname, gint mode)
223 ret = access (pathname, mode);
225 if (ret == -1 && (errno == ENOENT || errno == ENOTDIR) && IS_PORTABILITY_SET) {
226 gint saved_errno = errno;
227 gchar *located_filename = mono_portability_find_file (pathname, TRUE);
229 if (located_filename == NULL) {
235 ret = access (located_filename, mode);
237 g_free (located_filename);
244 _wapi_chmod (const gchar *pathname, mode_t mode)
249 ret = chmod (pathname, mode);
251 if (ret == -1 && (errno == ENOENT || errno == ENOTDIR) && IS_PORTABILITY_SET) {
252 gint saved_errno = errno;
253 gchar *located_filename = mono_portability_find_file (pathname, TRUE);
255 if (located_filename == NULL) {
261 ret = chmod (located_filename, mode);
263 g_free (located_filename);
270 _wapi_utime (const gchar *filename, const struct utimbuf *buf)
275 ret = utime (filename, buf);
277 if (ret == -1 && errno == ENOENT && IS_PORTABILITY_SET) {
278 gint saved_errno = errno;
279 gchar *located_filename = mono_portability_find_file (filename, TRUE);
281 if (located_filename == NULL) {
287 ret = utime (located_filename, buf);
289 g_free (located_filename);
296 _wapi_unlink (const gchar *pathname)
301 ret = unlink (pathname);
303 if (ret == -1 && (errno == ENOENT || errno == ENOTDIR || errno == EISDIR) && IS_PORTABILITY_SET) {
304 gint saved_errno = errno;
305 gchar *located_filename = mono_portability_find_file (pathname, TRUE);
307 if (located_filename == NULL) {
313 ret = unlink (located_filename);
315 g_free (located_filename);
322 _wapi_rename (const gchar *oldpath, const gchar *newpath)
325 gchar *located_newpath = mono_portability_find_file (newpath, FALSE);
327 if (located_newpath == NULL) {
329 ret = rename (oldpath, newpath);
333 ret = rename (oldpath, located_newpath);
336 if (ret == -1 && (errno == EISDIR || errno == ENAMETOOLONG || errno == ENOENT || errno == ENOTDIR || errno == EXDEV) && IS_PORTABILITY_SET) {
337 gint saved_errno = errno;
338 gchar *located_oldpath = mono_portability_find_file (oldpath, TRUE);
340 if (located_oldpath == NULL) {
341 g_free (located_oldpath);
342 g_free (located_newpath);
349 ret = rename (located_oldpath, located_newpath);
351 g_free (located_oldpath);
353 g_free (located_newpath);
360 _wapi_stat (const gchar *path, struct stat *buf)
365 ret = stat (path, buf);
367 if (ret == -1 && (errno == ENOENT || errno == ENOTDIR) && IS_PORTABILITY_SET) {
368 gint saved_errno = errno;
369 gchar *located_filename = mono_portability_find_file (path, TRUE);
371 if (located_filename == NULL) {
377 ret = stat (located_filename, buf);
379 g_free (located_filename);
386 _wapi_lstat (const gchar *path, struct stat *buf)
391 ret = lstat (path, buf);
393 if (ret == -1 && (errno == ENOENT || errno == ENOTDIR) && IS_PORTABILITY_SET) {
394 gint saved_errno = errno;
395 gchar *located_filename = mono_portability_find_file (path, TRUE);
397 if (located_filename == NULL) {
402 ret = lstat (located_filename, buf);
403 g_free (located_filename);
410 _wapi_mkdir (const gchar *pathname, mode_t mode)
413 gchar *located_filename = mono_portability_find_file (pathname, FALSE);
415 if (located_filename == NULL) {
417 ret = mkdir (pathname, mode);
421 ret = mkdir (located_filename, mode);
423 g_free (located_filename);
430 _wapi_rmdir (const gchar *pathname)
435 ret = rmdir (pathname);
437 if (ret == -1 && (errno == ENOENT || errno == ENOTDIR || errno == ENAMETOOLONG) && IS_PORTABILITY_SET) {
438 gint saved_errno = errno;
439 gchar *located_filename = mono_portability_find_file (pathname, TRUE);
441 if (located_filename == NULL) {
447 ret = rmdir (located_filename);
449 g_free (located_filename);
456 _wapi_chdir (const gchar *path)
463 if (ret == -1 && (errno == ENOENT || errno == ENOTDIR || errno == ENAMETOOLONG) && IS_PORTABILITY_SET) {
464 gint saved_errno = errno;
465 gchar *located_filename = mono_portability_find_file (path, TRUE);
467 if (located_filename == NULL) {
473 ret = chdir (located_filename);
475 g_free (located_filename);
482 _wapi_basename (const gchar *filename)
484 gchar *new_filename = g_strdup (filename), *ret;
486 if (IS_PORTABILITY_SET) {
487 g_strdelimit (new_filename, "\\", '/');
490 if (IS_PORTABILITY_DRIVE && g_ascii_isalpha (new_filename[0]) && (new_filename[1] == ':')) {
491 gint len = strlen (new_filename);
493 g_memmove (new_filename, new_filename + 2, len - 2);
494 new_filename[len - 2] = '\0';
497 ret = g_path_get_basename (new_filename);
498 g_free (new_filename);
504 _wapi_dirname (const gchar *filename)
506 gchar *new_filename = g_strdup (filename), *ret;
508 if (IS_PORTABILITY_SET) {
509 g_strdelimit (new_filename, "\\", '/');
512 if (IS_PORTABILITY_DRIVE && g_ascii_isalpha (new_filename[0]) && (new_filename[1] == ':')) {
513 gint len = strlen (new_filename);
515 g_memmove (new_filename, new_filename + 2, len - 2);
516 new_filename[len - 2] = '\0';
519 ret = g_path_get_dirname (new_filename);
520 g_free (new_filename);
526 _wapi_g_dir_open (const gchar *path, guint flags, GError **error)
531 ret = g_dir_open (path, flags, error);
533 if (ret == NULL && ((*error)->code == G_FILE_ERROR_NOENT || (*error)->code == G_FILE_ERROR_NOTDIR || (*error)->code == G_FILE_ERROR_NAMETOOLONG) && IS_PORTABILITY_SET) {
534 gchar *located_filename = mono_portability_find_file (path, TRUE);
535 GError *tmp_error = NULL;
537 if (located_filename == NULL) {
542 ret = g_dir_open (located_filename, flags, &tmp_error);
544 g_free (located_filename);
545 if (tmp_error == NULL) {
546 g_clear_error (error);
554 get_errno_from_g_file_error (gint error)
558 case G_FILE_ERROR_ACCES: return EACCES;
561 case G_FILE_ERROR_NAMETOOLONG: return ENAMETOOLONG;
564 case G_FILE_ERROR_NOENT: return ENOENT;
567 case G_FILE_ERROR_NOTDIR: return ENOTDIR;
570 case G_FILE_ERROR_NXIO: return ENXIO;
573 case G_FILE_ERROR_NODEV: return ENODEV;
576 case G_FILE_ERROR_ROFS: return EROFS;
579 case G_FILE_ERROR_TXTBSY: return ETXTBSY;
582 case G_FILE_ERROR_FAULT: return EFAULT;
585 case G_FILE_ERROR_LOOP: return ELOOP;
588 case G_FILE_ERROR_NOSPC: return ENOSPC;
591 case G_FILE_ERROR_NOMEM: return ENOMEM;
594 case G_FILE_ERROR_MFILE: return EMFILE;
597 case G_FILE_ERROR_NFILE: return ENFILE;
600 case G_FILE_ERROR_BADF: return EBADF;
603 case G_FILE_ERROR_INVAL: return EINVAL;
606 case G_FILE_ERROR_PIPE: return EPIPE;
609 case G_FILE_ERROR_AGAIN: return EAGAIN;
612 case G_FILE_ERROR_INTR: return EINTR;
615 case G_FILE_ERROR_IO: return EIO;
618 case G_FILE_ERROR_PERM: return EPERM;
620 case G_FILE_ERROR_FAILED: return ERROR_INVALID_PARAMETER;
622 g_assert_not_reached ();
627 file_compare (gconstpointer a, gconstpointer b)
629 gchar *astr = *(gchar **) a;
630 gchar *bstr = *(gchar **) b;
632 return strcmp (astr, bstr);
635 /* scandir using glib */
637 _wapi_io_scandir (const gchar *dirname, const gchar *pattern, gchar ***namelist)
639 GError *error = NULL;
643 mono_w32file_unix_glob_t glob_buf;
646 dir = _wapi_g_dir_open (dirname, 0, &error);
648 /* g_dir_open returns ENOENT on directories on which we don't
649 * have read/x permission */
650 gint errnum = get_errno_from_g_file_error (error->code);
651 g_error_free (error);
652 if (errnum == ENOENT &&
653 !_wapi_access (dirname, F_OK) &&
654 _wapi_access (dirname, R_OK|X_OK)) {
662 if (IS_PORTABILITY_CASE) {
663 flags = W32FILE_UNIX_GLOB_IGNORECASE;
666 result = mono_w32file_unix_glob (dir, pattern, flags, &glob_buf);
667 if (g_str_has_suffix (pattern, ".*")) {
668 /* Special-case the patterns ending in '.*', as
669 * windows also matches entries with no extension with
672 * TODO: should this be a MONO_IOMAP option?
674 gchar *pattern2 = g_strndup (pattern, strlen (pattern) - 2);
680 result2 = mono_w32file_unix_glob (dir, pattern2, flags | W32FILE_UNIX_GLOB_APPEND | W32FILE_UNIX_GLOB_UNIQUE, &glob_buf);
692 if (glob_buf.gl_pathc == 0) {
694 } else if (result != 0) {
698 names = g_ptr_array_new ();
699 for (i = 0; i < glob_buf.gl_pathc; i++) {
700 g_ptr_array_add (names, g_strdup (glob_buf.gl_pathv[i]));
703 mono_w32file_unix_globfree (&glob_buf);
707 g_ptr_array_sort (names, file_compare);
708 g_ptr_array_set_size (names, result + 1);
710 *namelist = (gchar **) g_ptr_array_free (names, FALSE);
712 g_ptr_array_free (names, TRUE);
719 _wapi_lock_file_region (gint fd, off_t offset, off_t length)
721 #if defined(__native_client__)
722 printf("WARNING: %s: fcntl() not available on Native Client!\n", __func__);
723 // behave as below -- locks are not available
726 struct flock lock_data;
729 if (offset < 0 || length < 0) {
730 mono_w32error_set_last (ERROR_INVALID_PARAMETER);
734 lock_data.l_type = F_WRLCK;
735 lock_data.l_whence = SEEK_SET;
736 lock_data.l_start = offset;
737 lock_data.l_len = length;
740 ret = fcntl (fd, F_SETLK, &lock_data);
741 } while(ret == -1 && errno == EINTR);
743 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: fcntl returns %d", __func__, ret);
747 * if locks are not available (NFS for example),
752 || errno == EOPNOTSUPP
761 mono_w32error_set_last (ERROR_LOCK_VIOLATION);
766 #endif /* __native_client__ */
770 _wapi_unlock_file_region (gint fd, off_t offset, off_t length)
772 #if defined(__native_client__)
773 printf("WARNING: %s: fcntl() not available on Native Client!\n", __func__);
776 struct flock lock_data;
779 lock_data.l_type = F_UNLCK;
780 lock_data.l_whence = SEEK_SET;
781 lock_data.l_start = offset;
782 lock_data.l_len = length;
785 ret = fcntl (fd, F_SETLK, &lock_data);
786 } while(ret == -1 && errno == EINTR);
788 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: fcntl returns %d", __func__, ret);
792 * if locks are not available (NFS for example),
797 || errno == EOPNOTSUPP
806 mono_w32error_set_last (ERROR_LOCK_VIOLATION);
811 #endif /* __native_client__ */
814 static void file_close (gpointer handle, gpointer data);
815 static void file_details (gpointer data);
816 static const gchar* file_typename (void);
817 static gsize file_typesize (void);
818 static gint file_getfiletype(void);
819 static gboolean file_read(gpointer handle, gpointer buffer, guint32 numbytes, guint32 *bytesread);
820 static gboolean file_write(gpointer handle, gconstpointer buffer, guint32 numbytes, guint32 *byteswritten);
821 static gboolean file_flush(gpointer handle);
822 static guint32 file_seek(gpointer handle, gint32 movedistance,
823 gint32 *highmovedistance, gint method);
824 static gboolean file_setendoffile(gpointer handle);
825 static guint32 file_getfilesize(gpointer handle, guint32 *highsize);
826 static gboolean file_getfiletime(gpointer handle, FILETIME *create_time,
827 FILETIME *access_time,
828 FILETIME *write_time);
829 static gboolean file_setfiletime(gpointer handle,
830 const FILETIME *create_time,
831 const FILETIME *access_time,
832 const FILETIME *write_time);
833 static guint32 GetDriveTypeFromPath (const gchar *utf8_root_path_name);
835 /* File handle is only signalled for overlapped IO */
836 static MonoW32HandleOps _wapi_file_ops = {
837 file_close, /* close */
841 NULL, /* special_wait */
843 file_details, /* details */
844 file_typename, /* typename */
845 file_typesize, /* typesize */
848 static void console_close (gpointer handle, gpointer data);
849 static void console_details (gpointer data);
850 static const gchar* console_typename (void);
851 static gsize console_typesize (void);
852 static gint console_getfiletype(void);
853 static gboolean console_read(gpointer handle, gpointer buffer, guint32 numbytes, guint32 *bytesread);
854 static gboolean console_write(gpointer handle, gconstpointer buffer, guint32 numbytes, guint32 *byteswritten);
856 /* Console is mostly the same as file, except it can block waiting for
859 static MonoW32HandleOps _wapi_console_ops = {
860 console_close, /* close */
864 NULL, /* special_wait */
866 console_details, /* details */
867 console_typename, /* typename */
868 console_typesize, /* typesize */
871 static const gchar* find_typename (void);
872 static gsize find_typesize (void);
874 static MonoW32HandleOps _wapi_find_ops = {
879 NULL, /* special_wait */
882 find_typename, /* typename */
883 find_typesize, /* typesize */
886 static void pipe_close (gpointer handle, gpointer data);
887 static void pipe_details (gpointer data);
888 static const gchar* pipe_typename (void);
889 static gsize pipe_typesize (void);
890 static gint pipe_getfiletype (void);
891 static gboolean pipe_read (gpointer handle, gpointer buffer, guint32 numbytes, guint32 *bytesread);
892 static gboolean pipe_write (gpointer handle, gconstpointer buffer, guint32 numbytes, guint32 *byteswritten);
896 static MonoW32HandleOps _wapi_pipe_ops = {
897 pipe_close, /* close */
901 NULL, /* special_wait */
903 pipe_details, /* details */
904 pipe_typename, /* typename */
905 pipe_typesize, /* typesize */
908 static const struct {
909 /* File, console and pipe handles */
910 gint (*getfiletype)(void);
912 /* File, console and pipe handles */
913 gboolean (*readfile)(gpointer handle, gpointer buffer, guint32 numbytes, guint32 *bytesread);
914 gboolean (*writefile)(gpointer handle, gconstpointer buffer, guint32 numbytes, guint32 *byteswritten);
915 gboolean (*flushfile)(gpointer handle);
918 guint32 (*seek)(gpointer handle, gint32 movedistance,
919 gint32 *highmovedistance, gint method);
920 gboolean (*setendoffile)(gpointer handle);
921 guint32 (*getfilesize)(gpointer handle, guint32 *highsize);
922 gboolean (*getfiletime)(gpointer handle, FILETIME *create_time,
923 FILETIME *access_time,
924 FILETIME *write_time);
925 gboolean (*setfiletime)(gpointer handle,
926 const FILETIME *create_time,
927 const FILETIME *access_time,
928 const FILETIME *write_time);
929 } io_ops[MONO_W32HANDLE_COUNT]={
930 {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
933 file_read, file_write,
934 file_flush, file_seek,
940 {console_getfiletype,
943 NULL, NULL, NULL, NULL, NULL, NULL},
945 {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
947 {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
949 {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
951 {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
952 /* socket (will need at least read and write) */
953 {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
955 {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
957 {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
962 NULL, NULL, NULL, NULL, NULL, NULL},
965 static gboolean lock_while_writing = FALSE;
967 /* Some utility functions.
971 * Check if a file is writable by the current user.
973 * This is is a best effort kind of thing. It assumes a reasonable sane set
974 * of permissions by the underlying OS.
976 * We generally assume that basic unix permission bits are authoritative. Which might not
977 * be the case under systems with extended permissions systems (posix ACLs, SELinux, OSX/iOS sandboxing, etc)
979 * The choice of access as the fallback is due to the expected lower overhead compared to trying to open the file.
981 * The only expected problem with using access are for root, setuid or setgid programs as access is not consistent
982 * under those situations. It's to be expected that this should not happen in practice as those bits are very dangerous
983 * and should not be used with a dynamic runtime.
986 is_file_writable (struct stat *st, const gchar *path)
989 // OS X Finder "locked" or `ls -lO` "uchg".
990 // This only covers one of several cases where an OS X file could be unwritable through special flags.
991 if (st->st_flags & (UF_IMMUTABLE|SF_IMMUTABLE))
995 /* Is it globally writable? */
996 if (st->st_mode & S_IWOTH)
999 /* Am I the owner? */
1000 if ((st->st_uid == geteuid ()) && (st->st_mode & S_IWUSR))
1003 /* Am I in the same group? */
1004 if ((st->st_gid == getegid ()) && (st->st_mode & S_IWGRP))
1007 /* Fallback to using access(2). It's not ideal as it might not take into consideration euid/egid
1008 * but it's the only sane option we have on unix.
1010 return access (path, W_OK) == 0;
1014 static guint32 _wapi_stat_to_file_attributes (const gchar *pathname,
1021 /* FIXME: this could definitely be better, but there seems to
1022 * be no pattern to the attributes that are set
1025 /* Sockets (0140000) != Directory (040000) + Regular file (0100000) */
1026 if (S_ISSOCK (buf->st_mode))
1027 buf->st_mode &= ~S_IFSOCK; /* don't consider socket protection */
1029 filename = _wapi_basename (pathname);
1031 if (S_ISDIR (buf->st_mode)) {
1032 attrs = FILE_ATTRIBUTE_DIRECTORY;
1033 if (!is_file_writable (buf, pathname)) {
1034 attrs |= FILE_ATTRIBUTE_READONLY;
1036 if (filename[0] == '.') {
1037 attrs |= FILE_ATTRIBUTE_HIDDEN;
1040 if (!is_file_writable (buf, pathname)) {
1041 attrs = FILE_ATTRIBUTE_READONLY;
1043 if (filename[0] == '.') {
1044 attrs |= FILE_ATTRIBUTE_HIDDEN;
1046 } else if (filename[0] == '.') {
1047 attrs = FILE_ATTRIBUTE_HIDDEN;
1049 attrs = FILE_ATTRIBUTE_NORMAL;
1054 if (S_ISLNK (lbuf->st_mode)) {
1055 attrs |= FILE_ATTRIBUTE_REPARSE_POINT;
1065 _wapi_set_last_error_from_errno (void)
1067 mono_w32error_set_last (mono_w32error_unix_to_win32 (errno));
1070 static void _wapi_set_last_path_error_from_errno (const gchar *dir,
1073 if (errno == ENOENT) {
1074 /* Check the path - if it's a missing directory then
1075 * we need to set PATH_NOT_FOUND not FILE_NOT_FOUND
1081 dirname = _wapi_dirname (path);
1083 dirname = g_strdup (dir);
1086 if (_wapi_access (dirname, F_OK) == 0) {
1087 mono_w32error_set_last (ERROR_FILE_NOT_FOUND);
1089 mono_w32error_set_last (ERROR_PATH_NOT_FOUND);
1094 _wapi_set_last_error_from_errno ();
1100 static void file_close (gpointer handle, gpointer data)
1102 MONO_REQ_GC_SAFE_MODE; /* FIXME: after mono_w32handle_close is coop-aware, change this to UNSAFE_MODE and switch to SAFE around close() below */
1103 MONO_ENTER_GC_UNSAFE;
1104 MonoW32HandleFile *file_handle = (MonoW32HandleFile *)data;
1105 gint fd = file_handle->fd;
1107 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: closing file handle %p [%s]", __func__, handle,
1108 file_handle->filename);
1110 if (file_handle->attrs & FILE_FLAG_DELETE_ON_CLOSE)
1111 _wapi_unlink (file_handle->filename);
1113 g_free (file_handle->filename);
1115 if (file_handle->share_info)
1116 file_share_release (file_handle->share_info);
1121 MONO_EXIT_GC_UNSAFE;
1124 static void file_details (gpointer data)
1126 MonoW32HandleFile *file = (MonoW32HandleFile *)data;
1128 g_print ("[%20s] acc: %c%c%c, shr: %c%c%c, attrs: %5u",
1130 file->fileaccess&GENERIC_READ?'R':'.',
1131 file->fileaccess&GENERIC_WRITE?'W':'.',
1132 file->fileaccess&GENERIC_EXECUTE?'X':'.',
1133 file->sharemode&FILE_SHARE_READ?'R':'.',
1134 file->sharemode&FILE_SHARE_WRITE?'W':'.',
1135 file->sharemode&FILE_SHARE_DELETE?'D':'.',
1139 static const gchar* file_typename (void)
1144 static gsize file_typesize (void)
1146 return sizeof (MonoW32HandleFile);
1149 static gint file_getfiletype(void)
1151 return(FILE_TYPE_DISK);
1155 file_read(gpointer handle, gpointer buffer, guint32 numbytes, guint32 *bytesread)
1157 MonoW32HandleFile *file_handle;
1160 MonoThreadInfo *info = mono_thread_info_current ();
1162 ok=mono_w32handle_lookup (handle, MONO_W32HANDLE_FILE,
1163 (gpointer *)&file_handle);
1165 g_warning ("%s: error looking up file handle %p", __func__,
1167 mono_w32error_set_last (ERROR_INVALID_HANDLE);
1171 fd = file_handle->fd;
1172 if(bytesread!=NULL) {
1176 if(!(file_handle->fileaccess & GENERIC_READ) &&
1177 !(file_handle->fileaccess & GENERIC_ALL)) {
1178 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: handle %p doesn't have GENERIC_READ access: %u",
1179 __func__, handle, file_handle->fileaccess);
1181 mono_w32error_set_last (ERROR_ACCESS_DENIED);
1187 ret = read (fd, buffer, numbytes);
1189 } while (ret == -1 && errno == EINTR &&
1190 !mono_thread_info_is_interrupt_state (info));
1195 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: read of handle %p error: %s", __func__,
1196 handle, strerror(err));
1197 mono_w32error_set_last (mono_w32error_unix_to_win32 (err));
1201 if (bytesread != NULL) {
1209 file_write(gpointer handle, gconstpointer buffer, guint32 numbytes, guint32 *byteswritten)
1211 MonoW32HandleFile *file_handle;
1214 off_t current_pos = 0;
1215 MonoThreadInfo *info = mono_thread_info_current ();
1217 ok=mono_w32handle_lookup (handle, MONO_W32HANDLE_FILE,
1218 (gpointer *)&file_handle);
1220 g_warning ("%s: error looking up file handle %p", __func__,
1222 mono_w32error_set_last (ERROR_INVALID_HANDLE);
1226 fd = file_handle->fd;
1228 if(byteswritten!=NULL) {
1232 if(!(file_handle->fileaccess & GENERIC_WRITE) &&
1233 !(file_handle->fileaccess & GENERIC_ALL)) {
1234 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: handle %p doesn't have GENERIC_WRITE access: %u", __func__, handle, file_handle->fileaccess);
1236 mono_w32error_set_last (ERROR_ACCESS_DENIED);
1240 if (lock_while_writing) {
1241 /* Need to lock the region we're about to write to,
1242 * because we only do advisory locking on POSIX
1246 current_pos = lseek (fd, (off_t)0, SEEK_CUR);
1248 if (current_pos == -1) {
1249 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: handle %p lseek failed: %s", __func__,
1250 handle, strerror (errno));
1251 _wapi_set_last_error_from_errno ();
1255 if (_wapi_lock_file_region (fd, current_pos,
1256 numbytes) == FALSE) {
1257 /* The error has already been set */
1264 ret = write (fd, buffer, numbytes);
1266 } while (ret == -1 && errno == EINTR &&
1267 !mono_thread_info_is_interrupt_state (info));
1269 if (lock_while_writing) {
1270 _wapi_unlock_file_region (fd, current_pos, numbytes);
1274 if (errno == EINTR) {
1277 _wapi_set_last_error_from_errno ();
1279 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: write of handle %p error: %s",
1280 __func__, handle, strerror(errno));
1285 if (byteswritten != NULL) {
1286 *byteswritten = ret;
1291 static gboolean file_flush(gpointer handle)
1293 MonoW32HandleFile *file_handle;
1297 ok=mono_w32handle_lookup (handle, MONO_W32HANDLE_FILE,
1298 (gpointer *)&file_handle);
1300 g_warning ("%s: error looking up file handle %p", __func__,
1302 mono_w32error_set_last (ERROR_INVALID_HANDLE);
1306 fd = file_handle->fd;
1308 if(!(file_handle->fileaccess & GENERIC_WRITE) &&
1309 !(file_handle->fileaccess & GENERIC_ALL)) {
1310 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: handle %p doesn't have GENERIC_WRITE access: %u", __func__, handle, file_handle->fileaccess);
1312 mono_w32error_set_last (ERROR_ACCESS_DENIED);
1320 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: fsync of handle %p error: %s", __func__, handle,
1323 _wapi_set_last_error_from_errno ();
1330 static guint32 file_seek(gpointer handle, gint32 movedistance,
1331 gint32 *highmovedistance, gint method)
1333 MonoW32HandleFile *file_handle;
1335 gint64 offset, newpos;
1339 ok=mono_w32handle_lookup (handle, MONO_W32HANDLE_FILE,
1340 (gpointer *)&file_handle);
1342 g_warning ("%s: error looking up file handle %p", __func__,
1344 mono_w32error_set_last (ERROR_INVALID_HANDLE);
1345 return(INVALID_SET_FILE_POINTER);
1348 fd = file_handle->fd;
1350 if(!(file_handle->fileaccess & GENERIC_READ) &&
1351 !(file_handle->fileaccess & GENERIC_WRITE) &&
1352 !(file_handle->fileaccess & GENERIC_ALL)) {
1353 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: handle %p doesn't have GENERIC_READ or GENERIC_WRITE access: %u", __func__, handle, file_handle->fileaccess);
1355 mono_w32error_set_last (ERROR_ACCESS_DENIED);
1356 return(INVALID_SET_FILE_POINTER);
1370 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: invalid seek type %d", __func__, method);
1372 mono_w32error_set_last (ERROR_INVALID_PARAMETER);
1373 return(INVALID_SET_FILE_POINTER);
1376 #ifdef HAVE_LARGE_FILE_SUPPORT
1377 if(highmovedistance==NULL) {
1378 offset=movedistance;
1379 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: setting offset to %lld (low %d)", __func__,
1380 offset, movedistance);
1382 offset=((gint64) *highmovedistance << 32) | (guint32)movedistance;
1384 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: setting offset to %lld 0x%llx (high %d 0x%x, low %d 0x%x)", __func__, offset, offset, *highmovedistance, *highmovedistance, movedistance, movedistance);
1387 offset=movedistance;
1390 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: moving handle %p by %lld bytes from %d", __func__,
1391 handle, (long long)offset, whence);
1393 #ifdef PLATFORM_ANDROID
1394 /* bionic doesn't support -D_FILE_OFFSET_BITS=64 */
1396 newpos=lseek64(fd, offset, whence);
1400 newpos=lseek(fd, offset, whence);
1404 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: lseek on handle %p returned error %s",
1405 __func__, handle, strerror(errno));
1407 _wapi_set_last_error_from_errno ();
1408 return(INVALID_SET_FILE_POINTER);
1411 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: lseek returns %lld", __func__, newpos);
1413 #ifdef HAVE_LARGE_FILE_SUPPORT
1414 ret=newpos & 0xFFFFFFFF;
1415 if(highmovedistance!=NULL) {
1416 *highmovedistance=newpos>>32;
1420 if(highmovedistance!=NULL) {
1421 /* Accurate, but potentially dodgy :-) */
1422 *highmovedistance=0;
1426 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: move of handle %p returning %d/%d", __func__,
1427 handle, ret, highmovedistance==NULL?0:*highmovedistance);
1432 static gboolean file_setendoffile(gpointer handle)
1434 MonoW32HandleFile *file_handle;
1436 struct stat statbuf;
1439 MonoThreadInfo *info = mono_thread_info_current ();
1441 ok=mono_w32handle_lookup (handle, MONO_W32HANDLE_FILE,
1442 (gpointer *)&file_handle);
1444 g_warning ("%s: error looking up file handle %p", __func__,
1446 mono_w32error_set_last (ERROR_INVALID_HANDLE);
1449 fd = file_handle->fd;
1451 if(!(file_handle->fileaccess & GENERIC_WRITE) &&
1452 !(file_handle->fileaccess & GENERIC_ALL)) {
1453 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: handle %p doesn't have GENERIC_WRITE access: %u", __func__, handle, file_handle->fileaccess);
1455 mono_w32error_set_last (ERROR_ACCESS_DENIED);
1459 /* Find the current file position, and the file length. If
1460 * the file position is greater than the length, write to
1461 * extend the file with a hole. If the file position is less
1462 * than the length, truncate the file.
1466 ret=fstat(fd, &statbuf);
1469 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: handle %p fstat failed: %s", __func__,
1470 handle, strerror(errno));
1472 _wapi_set_last_error_from_errno ();
1477 pos=lseek(fd, (off_t)0, SEEK_CUR);
1480 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: handle %p lseek failed: %s", __func__,
1481 handle, strerror(errno));
1483 _wapi_set_last_error_from_errno ();
1487 #ifdef FTRUNCATE_DOESNT_EXTEND
1488 off_t size = statbuf.st_size;
1489 /* I haven't bothered to write the configure.ac stuff for this
1490 * because I don't know if any platform needs it. I'm leaving
1491 * this code just in case though
1494 /* Extend the file. Use write() here, because some
1495 * manuals say that ftruncate() behaviour is undefined
1496 * when the file needs extending. The POSIX spec says
1497 * that on XSI-conformant systems it extends, so if
1498 * every system we care about conforms, then we can
1503 ret = write (fd, "", 1);
1505 } while (ret == -1 && errno == EINTR &&
1506 !mono_thread_info_is_interrupt_state (info));
1509 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: handle %p extend write failed: %s", __func__, handle, strerror(errno));
1511 _wapi_set_last_error_from_errno ();
1515 /* And put the file position back after the write */
1517 ret = lseek (fd, pos, SEEK_SET);
1520 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: handle %p second lseek failed: %s",
1521 __func__, handle, strerror(errno));
1523 _wapi_set_last_error_from_errno ();
1529 /* Native Client has no ftruncate function, even in standalone sel_ldr. */
1530 #ifndef __native_client__
1531 /* always truncate, because the extend write() adds an extra
1532 * byte to the end of the file
1536 ret=ftruncate(fd, pos);
1539 while (ret==-1 && errno==EINTR && !mono_thread_info_is_interrupt_state (info));
1541 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: handle %p ftruncate failed: %s", __func__,
1542 handle, strerror(errno));
1544 _wapi_set_last_error_from_errno ();
1552 static guint32 file_getfilesize(gpointer handle, guint32 *highsize)
1554 MonoW32HandleFile *file_handle;
1556 struct stat statbuf;
1561 ok=mono_w32handle_lookup (handle, MONO_W32HANDLE_FILE,
1562 (gpointer *)&file_handle);
1564 g_warning ("%s: error looking up file handle %p", __func__,
1566 mono_w32error_set_last (ERROR_INVALID_HANDLE);
1567 return(INVALID_FILE_SIZE);
1569 fd = file_handle->fd;
1571 if(!(file_handle->fileaccess & GENERIC_READ) &&
1572 !(file_handle->fileaccess & GENERIC_WRITE) &&
1573 !(file_handle->fileaccess & GENERIC_ALL)) {
1574 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: handle %p doesn't have GENERIC_READ or GENERIC_WRITE access: %u", __func__, handle, file_handle->fileaccess);
1576 mono_w32error_set_last (ERROR_ACCESS_DENIED);
1577 return(INVALID_FILE_SIZE);
1580 /* If the file has a size with the low bits 0xFFFFFFFF the
1581 * caller can't tell if this is an error, so clear the error
1584 mono_w32error_set_last (ERROR_SUCCESS);
1587 ret = fstat(fd, &statbuf);
1590 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: handle %p fstat failed: %s", __func__,
1591 handle, strerror(errno));
1593 _wapi_set_last_error_from_errno ();
1594 return(INVALID_FILE_SIZE);
1597 /* fstat indicates block devices as zero-length, so go a different path */
1599 if (S_ISBLK(statbuf.st_mode)) {
1603 res = ioctl (fd, BLKGETSIZE64, &bigsize);
1606 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: handle %p ioctl BLKGETSIZE64 failed: %s",
1607 __func__, handle, strerror(errno));
1609 _wapi_set_last_error_from_errno ();
1610 return(INVALID_FILE_SIZE);
1613 size = bigsize & 0xFFFFFFFF;
1614 if (highsize != NULL) {
1615 *highsize = bigsize>>32;
1618 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Returning block device size %d/%d",
1619 __func__, size, *highsize);
1625 #ifdef HAVE_LARGE_FILE_SUPPORT
1626 size = statbuf.st_size & 0xFFFFFFFF;
1627 if (highsize != NULL) {
1628 *highsize = statbuf.st_size>>32;
1631 if (highsize != NULL) {
1632 /* Accurate, but potentially dodgy :-) */
1635 size = statbuf.st_size;
1638 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Returning size %d/%d", __func__, size, *highsize);
1643 static gboolean file_getfiletime(gpointer handle, FILETIME *create_time,
1644 FILETIME *access_time,
1645 FILETIME *write_time)
1647 MonoW32HandleFile *file_handle;
1649 struct stat statbuf;
1650 guint64 create_ticks, access_ticks, write_ticks;
1653 ok=mono_w32handle_lookup (handle, MONO_W32HANDLE_FILE,
1654 (gpointer *)&file_handle);
1656 g_warning ("%s: error looking up file handle %p", __func__,
1658 mono_w32error_set_last (ERROR_INVALID_HANDLE);
1661 fd = file_handle->fd;
1663 if(!(file_handle->fileaccess & GENERIC_READ) &&
1664 !(file_handle->fileaccess & GENERIC_ALL)) {
1665 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: handle %p doesn't have GENERIC_READ access: %u",
1666 __func__, handle, file_handle->fileaccess);
1668 mono_w32error_set_last (ERROR_ACCESS_DENIED);
1673 ret=fstat(fd, &statbuf);
1676 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: handle %p fstat failed: %s", __func__, handle,
1679 _wapi_set_last_error_from_errno ();
1683 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: atime: %ld ctime: %ld mtime: %ld", __func__,
1684 statbuf.st_atime, statbuf.st_ctime,
1687 /* Try and guess a meaningful create time by using the older
1690 /* The magic constant comes from msdn documentation
1691 * "Converting a time_t Value to a File Time"
1693 if(statbuf.st_atime < statbuf.st_ctime) {
1694 create_ticks=((guint64)statbuf.st_atime*10000000)
1695 + 116444736000000000ULL;
1697 create_ticks=((guint64)statbuf.st_ctime*10000000)
1698 + 116444736000000000ULL;
1701 access_ticks=((guint64)statbuf.st_atime*10000000)+116444736000000000ULL;
1702 write_ticks=((guint64)statbuf.st_mtime*10000000)+116444736000000000ULL;
1704 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: aticks: %llu cticks: %llu wticks: %llu", __func__,
1705 access_ticks, create_ticks, write_ticks);
1707 if(create_time!=NULL) {
1708 create_time->dwLowDateTime = create_ticks & 0xFFFFFFFF;
1709 create_time->dwHighDateTime = create_ticks >> 32;
1712 if(access_time!=NULL) {
1713 access_time->dwLowDateTime = access_ticks & 0xFFFFFFFF;
1714 access_time->dwHighDateTime = access_ticks >> 32;
1717 if(write_time!=NULL) {
1718 write_time->dwLowDateTime = write_ticks & 0xFFFFFFFF;
1719 write_time->dwHighDateTime = write_ticks >> 32;
1725 static gboolean file_setfiletime(gpointer handle,
1726 const FILETIME *create_time G_GNUC_UNUSED,
1727 const FILETIME *access_time,
1728 const FILETIME *write_time)
1730 MonoW32HandleFile *file_handle;
1732 struct utimbuf utbuf;
1733 struct stat statbuf;
1734 guint64 access_ticks, write_ticks;
1737 ok=mono_w32handle_lookup (handle, MONO_W32HANDLE_FILE,
1738 (gpointer *)&file_handle);
1740 g_warning ("%s: error looking up file handle %p", __func__,
1742 mono_w32error_set_last (ERROR_INVALID_HANDLE);
1745 fd = file_handle->fd;
1747 if(!(file_handle->fileaccess & GENERIC_WRITE) &&
1748 !(file_handle->fileaccess & GENERIC_ALL)) {
1749 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: handle %p doesn't have GENERIC_WRITE access: %u", __func__, handle, file_handle->fileaccess);
1751 mono_w32error_set_last (ERROR_ACCESS_DENIED);
1755 if(file_handle->filename == NULL) {
1756 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: handle %p unknown filename", __func__, handle);
1758 mono_w32error_set_last (ERROR_INVALID_HANDLE);
1762 /* Get the current times, so we can put the same times back in
1763 * the event that one of the FileTime structs is NULL
1766 ret=fstat (fd, &statbuf);
1769 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: handle %p fstat failed: %s", __func__, handle,
1772 mono_w32error_set_last (ERROR_INVALID_PARAMETER);
1776 if(access_time!=NULL) {
1777 access_ticks=((guint64)access_time->dwHighDateTime << 32) +
1778 access_time->dwLowDateTime;
1779 /* This is (time_t)0. We can actually go to INT_MIN,
1780 * but this will do for now.
1782 if (access_ticks < 116444736000000000ULL) {
1783 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: attempt to set access time too early",
1785 mono_w32error_set_last (ERROR_INVALID_PARAMETER);
1789 if (sizeof (utbuf.actime) == 4 && ((access_ticks - 116444736000000000ULL) / 10000000) > INT_MAX) {
1790 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: attempt to set write time that is too big for a 32bits time_t",
1792 mono_w32error_set_last (ERROR_INVALID_PARAMETER);
1796 utbuf.actime=(access_ticks - 116444736000000000ULL) / 10000000;
1798 utbuf.actime=statbuf.st_atime;
1801 if(write_time!=NULL) {
1802 write_ticks=((guint64)write_time->dwHighDateTime << 32) +
1803 write_time->dwLowDateTime;
1804 /* This is (time_t)0. We can actually go to INT_MIN,
1805 * but this will do for now.
1807 if (write_ticks < 116444736000000000ULL) {
1808 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: attempt to set write time too early",
1810 mono_w32error_set_last (ERROR_INVALID_PARAMETER);
1813 if (sizeof (utbuf.modtime) == 4 && ((write_ticks - 116444736000000000ULL) / 10000000) > INT_MAX) {
1814 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: attempt to set write time that is too big for a 32bits time_t",
1816 mono_w32error_set_last (ERROR_INVALID_PARAMETER);
1820 utbuf.modtime=(write_ticks - 116444736000000000ULL) / 10000000;
1822 utbuf.modtime=statbuf.st_mtime;
1825 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: setting handle %p access %ld write %ld", __func__,
1826 handle, utbuf.actime, utbuf.modtime);
1828 ret = _wapi_utime (file_handle->filename, &utbuf);
1830 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: handle %p [%s] utime failed: %s", __func__,
1831 handle, file_handle->filename, strerror(errno));
1833 mono_w32error_set_last (ERROR_INVALID_PARAMETER);
1840 static void console_close (gpointer handle, gpointer data)
1842 MONO_REQ_GC_SAFE_MODE; /* FIXME: after mono_w32handle_close is coop-aware, change this to UNSAFE_MODE and switch to SAFE around close() below */
1843 MONO_ENTER_GC_UNSAFE;
1844 MonoW32HandleFile *console_handle = (MonoW32HandleFile *)data;
1845 gint fd = console_handle->fd;
1847 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: closing console handle %p", __func__, handle);
1849 g_free (console_handle->filename);
1852 if (console_handle->share_info)
1853 file_share_release (console_handle->share_info);
1858 MONO_EXIT_GC_UNSAFE;
1861 static void console_details (gpointer data)
1863 file_details (data);
1866 static const gchar* console_typename (void)
1871 static gsize console_typesize (void)
1873 return sizeof (MonoW32HandleFile);
1876 static gint console_getfiletype(void)
1878 return(FILE_TYPE_CHAR);
1882 console_read(gpointer handle, gpointer buffer, guint32 numbytes, guint32 *bytesread)
1884 MonoW32HandleFile *console_handle;
1887 MonoThreadInfo *info = mono_thread_info_current ();
1889 ok=mono_w32handle_lookup (handle, MONO_W32HANDLE_CONSOLE,
1890 (gpointer *)&console_handle);
1892 g_warning ("%s: error looking up console handle %p", __func__,
1894 mono_w32error_set_last (ERROR_INVALID_HANDLE);
1897 fd = console_handle->fd;
1899 if(bytesread!=NULL) {
1903 if(!(console_handle->fileaccess & GENERIC_READ) &&
1904 !(console_handle->fileaccess & GENERIC_ALL)) {
1905 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: handle %p doesn't have GENERIC_READ access: %u",
1906 __func__, handle, console_handle->fileaccess);
1908 mono_w32error_set_last (ERROR_ACCESS_DENIED);
1914 ret=read(fd, buffer, numbytes);
1916 } while (ret==-1 && errno==EINTR && !mono_thread_info_is_interrupt_state (info));
1919 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: read of handle %p error: %s", __func__, handle,
1922 _wapi_set_last_error_from_errno ();
1926 if(bytesread!=NULL) {
1934 console_write(gpointer handle, gconstpointer buffer, guint32 numbytes, guint32 *byteswritten)
1936 MonoW32HandleFile *console_handle;
1939 MonoThreadInfo *info = mono_thread_info_current ();
1941 ok=mono_w32handle_lookup (handle, MONO_W32HANDLE_CONSOLE,
1942 (gpointer *)&console_handle);
1944 g_warning ("%s: error looking up console handle %p", __func__,
1946 mono_w32error_set_last (ERROR_INVALID_HANDLE);
1949 fd = console_handle->fd;
1951 if(byteswritten!=NULL) {
1955 if(!(console_handle->fileaccess & GENERIC_WRITE) &&
1956 !(console_handle->fileaccess & GENERIC_ALL)) {
1957 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: handle %p doesn't have GENERIC_WRITE access: %u", __func__, handle, console_handle->fileaccess);
1959 mono_w32error_set_last (ERROR_ACCESS_DENIED);
1965 ret = write(fd, buffer, numbytes);
1967 } while (ret == -1 && errno == EINTR &&
1968 !mono_thread_info_is_interrupt_state (info));
1971 if (errno == EINTR) {
1974 _wapi_set_last_error_from_errno ();
1976 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: write of handle %p error: %s",
1977 __func__, handle, strerror(errno));
1982 if(byteswritten!=NULL) {
1989 static const gchar* find_typename (void)
1994 static gsize find_typesize (void)
1996 return sizeof (MonoW32HandleFind);
1999 static void pipe_close (gpointer handle, gpointer data)
2001 MONO_REQ_GC_SAFE_MODE; /* FIXME: after mono_w32handle_close is coop-aware, change this to UNSAFE_MODE and switch to SAFE around close() below */
2002 MONO_ENTER_GC_UNSAFE;
2003 MonoW32HandleFile *pipe_handle = (MonoW32HandleFile*)data;
2004 gint fd = pipe_handle->fd;
2006 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: closing pipe handle %p fd %d", __func__, handle, fd);
2008 /* No filename with pipe handles */
2010 if (pipe_handle->share_info)
2011 file_share_release (pipe_handle->share_info);
2016 MONO_EXIT_GC_UNSAFE;
2019 static void pipe_details (gpointer data)
2021 file_details (data);
2024 static const gchar* pipe_typename (void)
2029 static gsize pipe_typesize (void)
2031 return sizeof (MonoW32HandleFile);
2034 static gint pipe_getfiletype(void)
2036 return(FILE_TYPE_PIPE);
2040 pipe_read (gpointer handle, gpointer buffer, guint32 numbytes, guint32 *bytesread)
2042 MonoW32HandleFile *pipe_handle;
2045 MonoThreadInfo *info = mono_thread_info_current ();
2047 ok=mono_w32handle_lookup (handle, MONO_W32HANDLE_PIPE,
2048 (gpointer *)&pipe_handle);
2050 g_warning ("%s: error looking up pipe handle %p", __func__,
2052 mono_w32error_set_last (ERROR_INVALID_HANDLE);
2055 fd = pipe_handle->fd;
2057 if(bytesread!=NULL) {
2061 if(!(pipe_handle->fileaccess & GENERIC_READ) &&
2062 !(pipe_handle->fileaccess & GENERIC_ALL)) {
2063 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: handle %p doesn't have GENERIC_READ access: %u",
2064 __func__, handle, pipe_handle->fileaccess);
2066 mono_w32error_set_last (ERROR_ACCESS_DENIED);
2070 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: reading up to %d bytes from pipe %p", __func__,
2075 ret=read(fd, buffer, numbytes);
2077 } while (ret==-1 && errno==EINTR && !mono_thread_info_is_interrupt_state (info));
2080 if (errno == EINTR) {
2083 _wapi_set_last_error_from_errno ();
2085 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: read of handle %p error: %s", __func__,
2086 handle, strerror(errno));
2092 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: read %d bytes from pipe %p", __func__, ret, handle);
2094 if(bytesread!=NULL) {
2102 pipe_write(gpointer handle, gconstpointer buffer, guint32 numbytes, guint32 *byteswritten)
2104 MonoW32HandleFile *pipe_handle;
2107 MonoThreadInfo *info = mono_thread_info_current ();
2109 ok=mono_w32handle_lookup (handle, MONO_W32HANDLE_PIPE,
2110 (gpointer *)&pipe_handle);
2112 g_warning ("%s: error looking up pipe handle %p", __func__,
2114 mono_w32error_set_last (ERROR_INVALID_HANDLE);
2117 fd = pipe_handle->fd;
2119 if(byteswritten!=NULL) {
2123 if(!(pipe_handle->fileaccess & GENERIC_WRITE) &&
2124 !(pipe_handle->fileaccess & GENERIC_ALL)) {
2125 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: handle %p doesn't have GENERIC_WRITE access: %u", __func__, handle, pipe_handle->fileaccess);
2127 mono_w32error_set_last (ERROR_ACCESS_DENIED);
2131 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: writing up to %d bytes to pipe %p", __func__, numbytes,
2136 ret = write (fd, buffer, numbytes);
2138 } while (ret == -1 && errno == EINTR &&
2139 !mono_thread_info_is_interrupt_state (info));
2142 if (errno == EINTR) {
2145 _wapi_set_last_error_from_errno ();
2147 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: write of handle %p error: %s", __func__,
2148 handle, strerror(errno));
2153 if(byteswritten!=NULL) {
2160 static gint convert_flags(guint32 fileaccess, guint32 createmode)
2164 switch(fileaccess) {
2171 case GENERIC_READ|GENERIC_WRITE:
2175 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Unknown access type 0x%x", __func__,
2180 switch(createmode) {
2182 flags|=O_CREAT|O_EXCL;
2185 flags|=O_CREAT|O_TRUNC;
2192 case TRUNCATE_EXISTING:
2196 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Unknown create mode 0x%x", __func__,
2205 static mode_t convert_perms(guint32 sharemode)
2209 if(sharemode&FILE_SHARE_READ) {
2212 if(sharemode&FILE_SHARE_WRITE) {
2220 static gboolean share_allows_open (struct stat *statbuf, guint32 sharemode,
2222 FileShare **share_info)
2224 gboolean file_already_shared;
2225 guint32 file_existing_share, file_existing_access;
2227 file_already_shared = file_share_get (statbuf->st_dev, statbuf->st_ino, sharemode, fileaccess, &file_existing_share, &file_existing_access, share_info);
2229 if (file_already_shared) {
2230 /* The reference to this share info was incremented
2231 * when we looked it up, so be careful to put it back
2232 * if we conclude we can't use this file.
2234 if (file_existing_share == 0) {
2235 /* Quick and easy, no possibility to share */
2236 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Share mode prevents open: requested access: 0x%x, file has sharing = NONE", __func__, fileaccess);
2238 file_share_release (*share_info);
2243 if (((file_existing_share == FILE_SHARE_READ) &&
2244 (fileaccess != GENERIC_READ)) ||
2245 ((file_existing_share == FILE_SHARE_WRITE) &&
2246 (fileaccess != GENERIC_WRITE))) {
2247 /* New access mode doesn't match up */
2248 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Share mode prevents open: requested access: 0x%x, file has sharing: 0x%x", __func__, fileaccess, file_existing_share);
2250 file_share_release (*share_info);
2255 if (((file_existing_access & GENERIC_READ) &&
2256 !(sharemode & FILE_SHARE_READ)) ||
2257 ((file_existing_access & GENERIC_WRITE) &&
2258 !(sharemode & FILE_SHARE_WRITE))) {
2259 /* New share mode doesn't match up */
2260 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Access mode prevents open: requested share: 0x%x, file has access: 0x%x", __func__, sharemode, file_existing_access);
2262 file_share_release (*share_info);
2267 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: New file!", __func__);
2275 share_allows_delete (struct stat *statbuf, FileShare **share_info)
2277 gboolean file_already_shared;
2278 guint32 file_existing_share, file_existing_access;
2280 file_already_shared = file_share_get (statbuf->st_dev, statbuf->st_ino, FILE_SHARE_DELETE, GENERIC_READ, &file_existing_share, &file_existing_access, share_info);
2282 if (file_already_shared) {
2283 /* The reference to this share info was incremented
2284 * when we looked it up, so be careful to put it back
2285 * if we conclude we can't use this file.
2287 if (file_existing_share == 0) {
2288 /* Quick and easy, no possibility to share */
2289 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Share mode prevents open: requested access: 0x%x, file has sharing = NONE", __func__, (*share_info)->access);
2291 file_share_release (*share_info);
2296 if (!(file_existing_share & FILE_SHARE_DELETE)) {
2297 /* New access mode doesn't match up */
2298 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Share mode prevents open: requested access: 0x%x, file has sharing: 0x%x", __func__, (*share_info)->access, file_existing_share);
2300 file_share_release (*share_info);
2305 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: New file!", __func__);
2312 mono_w32file_create(const gunichar2 *name, guint32 fileaccess, guint32 sharemode, guint32 createmode, guint32 attrs)
2314 MonoW32HandleFile file_handle = {0};
2316 gint flags=convert_flags(fileaccess, createmode);
2317 /*mode_t perms=convert_perms(sharemode);*/
2318 /* we don't use sharemode, because that relates to sharing of
2319 * the file when the file is open and is already handled by
2320 * other code, perms instead are the on-disk permissions and
2321 * this is a sane default.
2326 MonoW32HandleType handle_type;
2327 struct stat statbuf;
2329 if (attrs & FILE_ATTRIBUTE_TEMPORARY)
2332 if (attrs & FILE_ATTRIBUTE_ENCRYPTED){
2333 mono_w32error_set_last (ERROR_ENCRYPTION_FAILED);
2334 return INVALID_HANDLE_VALUE;
2338 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: name is NULL", __func__);
2340 mono_w32error_set_last (ERROR_INVALID_NAME);
2341 return(INVALID_HANDLE_VALUE);
2344 filename = mono_unicode_to_external (name);
2345 if (filename == NULL) {
2346 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: unicode conversion returned NULL", __func__);
2348 mono_w32error_set_last (ERROR_INVALID_NAME);
2349 return(INVALID_HANDLE_VALUE);
2352 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Opening %s with share 0x%x and access 0x%x", __func__,
2353 filename, sharemode, fileaccess);
2355 fd = _wapi_open (filename, flags, perms);
2357 /* If we were trying to open a directory with write permissions
2358 * (e.g. O_WRONLY or O_RDWR), this call will fail with
2359 * EISDIR. However, this is a bit bogus because calls to
2360 * manipulate the directory (e.g. mono_w32file_set_times) will still work on
2361 * the directory because they use other API calls
2362 * (e.g. utime()). Hence, if we failed with the EISDIR error, try
2363 * to open the directory again without write permission.
2365 if (fd == -1 && errno == EISDIR)
2367 /* Try again but don't try to make it writable */
2368 fd = _wapi_open (filename, flags & ~(O_RDWR|O_WRONLY), perms);
2372 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Error opening file %s: %s", __func__, filename,
2374 _wapi_set_last_path_error_from_errno (NULL, filename);
2377 return(INVALID_HANDLE_VALUE);
2380 if (fd >= mono_w32handle_fd_reserve) {
2381 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: File descriptor is too big", __func__);
2383 mono_w32error_set_last (ERROR_TOO_MANY_OPEN_FILES);
2390 return(INVALID_HANDLE_VALUE);
2394 ret = fstat (fd, &statbuf);
2397 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: fstat error of file %s: %s", __func__,
2398 filename, strerror (errno));
2399 _wapi_set_last_error_from_errno ();
2405 return(INVALID_HANDLE_VALUE);
2407 #ifdef __native_client__
2408 /* Workaround: Native Client currently returns the same fake inode
2409 * for all files, so do a simple hash on the filename so we don't
2410 * use the same share info for each file.
2412 statbuf.st_ino = g_str_hash(filename);
2415 if (share_allows_open (&statbuf, sharemode, fileaccess,
2416 &file_handle.share_info) == FALSE) {
2417 mono_w32error_set_last (ERROR_SHARING_VIOLATION);
2423 return (INVALID_HANDLE_VALUE);
2425 if (file_handle.share_info == NULL) {
2426 /* No space, so no more files can be opened */
2427 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: No space in the share table", __func__);
2429 mono_w32error_set_last (ERROR_TOO_MANY_OPEN_FILES);
2435 return(INVALID_HANDLE_VALUE);
2438 file_handle.filename = filename;
2440 file_handle.fd = fd;
2441 file_handle.fileaccess=fileaccess;
2442 file_handle.sharemode=sharemode;
2443 file_handle.attrs=attrs;
2445 #ifdef HAVE_POSIX_FADVISE
2446 if (attrs & FILE_FLAG_SEQUENTIAL_SCAN) {
2448 posix_fadvise (fd, 0, 0, POSIX_FADV_SEQUENTIAL);
2451 if (attrs & FILE_FLAG_RANDOM_ACCESS) {
2453 posix_fadvise (fd, 0, 0, POSIX_FADV_RANDOM);
2459 if (attrs & FILE_FLAG_SEQUENTIAL_SCAN) {
2461 fcntl(fd, F_RDAHEAD, 1);
2467 #define S_ISFIFO(m) ((m & S_IFIFO) != 0)
2469 if (S_ISFIFO (statbuf.st_mode)) {
2470 handle_type = MONO_W32HANDLE_PIPE;
2471 /* maintain invariant that pipes have no filename */
2472 file_handle.filename = NULL;
2475 } else if (S_ISCHR (statbuf.st_mode)) {
2476 handle_type = MONO_W32HANDLE_CONSOLE;
2478 handle_type = MONO_W32HANDLE_FILE;
2481 MONO_ENTER_GC_SAFE; /* FIXME: mono_w32handle_new_fd should be updated with coop transitions */
2482 handle = mono_w32handle_new_fd (handle_type, fd, &file_handle);
2484 if (handle == INVALID_HANDLE_VALUE) {
2485 g_warning ("%s: error creating file handle", __func__);
2491 mono_w32error_set_last (ERROR_GEN_FAILURE);
2492 return(INVALID_HANDLE_VALUE);
2495 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: returning handle %p", __func__, handle);
2501 mono_w32file_close (gpointer handle)
2505 /* FIXME: we transition here and not in file_close, pipe_close,
2506 * console_close because w32handle_close is not coop aware yet, but it
2507 * calls back into w32file. */
2508 res = mono_w32handle_close (handle);
2513 gboolean mono_w32file_delete(const gunichar2 *name)
2517 gboolean ret = FALSE;
2520 struct stat statbuf;
2521 FileShare *shareinfo;
2525 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: name is NULL", __func__);
2527 mono_w32error_set_last (ERROR_INVALID_NAME);
2531 filename=mono_unicode_to_external(name);
2532 if(filename==NULL) {
2533 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: unicode conversion returned NULL", __func__);
2535 mono_w32error_set_last (ERROR_INVALID_NAME);
2539 attrs = mono_w32file_get_attributes (name);
2540 if (attrs == INVALID_FILE_ATTRIBUTES) {
2541 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: file attributes error", __func__);
2542 /* Error set by mono_w32file_get_attributes() */
2548 /* Check to make sure sharing allows us to open the file for
2549 * writing. See bug 323389.
2551 * Do the checks that don't need an open file descriptor, for
2552 * simplicity's sake. If we really have to do the full checks
2553 * then we can implement that later.
2555 if (_wapi_stat (filename, &statbuf) < 0) {
2556 _wapi_set_last_path_error_from_errno (NULL, filename);
2561 if (share_allows_open (&statbuf, 0, GENERIC_WRITE,
2562 &shareinfo) == FALSE) {
2563 mono_w32error_set_last (ERROR_SHARING_VIOLATION);
2568 file_share_release (shareinfo);
2571 retval = _wapi_unlink (filename);
2574 _wapi_set_last_path_error_from_errno (NULL, filename);
2585 MoveFile (gunichar2 *name, gunichar2 *dest_name)
2587 gchar *utf8_name, *utf8_dest_name;
2588 gint result, errno_copy;
2589 struct stat stat_src, stat_dest;
2590 gboolean ret = FALSE;
2591 FileShare *shareinfo;
2594 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: name is NULL", __func__);
2596 mono_w32error_set_last (ERROR_INVALID_NAME);
2600 utf8_name = mono_unicode_to_external (name);
2601 if (utf8_name == NULL) {
2602 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: unicode conversion returned NULL", __func__);
2604 mono_w32error_set_last (ERROR_INVALID_NAME);
2608 if(dest_name==NULL) {
2609 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: name is NULL", __func__);
2612 mono_w32error_set_last (ERROR_INVALID_NAME);
2616 utf8_dest_name = mono_unicode_to_external (dest_name);
2617 if (utf8_dest_name == NULL) {
2618 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: unicode conversion returned NULL", __func__);
2621 mono_w32error_set_last (ERROR_INVALID_NAME);
2626 * In C# land we check for the existence of src, but not for dest.
2627 * We check it here and return the failure if dest exists and is not
2628 * the same file as src.
2630 if (_wapi_stat (utf8_name, &stat_src) < 0) {
2631 if (errno != ENOENT || _wapi_lstat (utf8_name, &stat_src) < 0) {
2632 _wapi_set_last_path_error_from_errno (NULL, utf8_name);
2634 g_free (utf8_dest_name);
2639 if (!_wapi_stat (utf8_dest_name, &stat_dest)) {
2640 if (stat_dest.st_dev != stat_src.st_dev ||
2641 stat_dest.st_ino != stat_src.st_ino) {
2643 g_free (utf8_dest_name);
2644 mono_w32error_set_last (ERROR_ALREADY_EXISTS);
2649 /* Check to make that we have delete sharing permission.
2650 * See https://bugzilla.xamarin.com/show_bug.cgi?id=17009
2652 * Do the checks that don't need an open file descriptor, for
2653 * simplicity's sake. If we really have to do the full checks
2654 * then we can implement that later.
2656 if (share_allows_delete (&stat_src, &shareinfo) == FALSE) {
2657 mono_w32error_set_last (ERROR_SHARING_VIOLATION);
2661 file_share_release (shareinfo);
2663 result = _wapi_rename (utf8_name, utf8_dest_name);
2667 switch(errno_copy) {
2669 mono_w32error_set_last (ERROR_ALREADY_EXISTS);
2673 /* Ignore here, it is dealt with below */
2677 /* We already know src exists. Must be dest that doesn't exist. */
2678 _wapi_set_last_path_error_from_errno (NULL, utf8_dest_name);
2682 _wapi_set_last_error_from_errno ();
2687 g_free (utf8_dest_name);
2689 if (result != 0 && errno_copy == EXDEV) {
2692 if (S_ISDIR (stat_src.st_mode)) {
2693 mono_w32error_set_last (ERROR_NOT_SAME_DEVICE);
2696 /* Try a copy to the new location, and delete the source */
2697 if (!mono_w32file_copy (name, dest_name, FALSE, ©_error)) {
2698 /* mono_w32file_copy will set the error */
2702 return(mono_w32file_delete (name));
2713 write_file (gint src_fd, gint dest_fd, struct stat *st_src, gboolean report_errors)
2717 gint buf_size = st_src->st_blksize;
2718 MonoThreadInfo *info = mono_thread_info_current ();
2720 buf_size = buf_size < 8192 ? 8192 : (buf_size > 65536 ? 65536 : buf_size);
2721 buf = (gchar *) g_malloc (buf_size);
2725 remain = read (src_fd, buf, buf_size);
2728 if (errno == EINTR && !mono_thread_info_is_interrupt_state (info))
2732 _wapi_set_last_error_from_errno ();
2742 while (remain > 0) {
2744 n = write (dest_fd, wbuf, remain);
2747 if (errno == EINTR && !mono_thread_info_is_interrupt_state (info))
2751 _wapi_set_last_error_from_errno ();
2752 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: write failed.", __func__);
2767 CopyFile (const gunichar2 *name, const gunichar2 *dest_name, gboolean fail_if_exists)
2769 gchar *utf8_src, *utf8_dest;
2770 gint src_fd, dest_fd;
2771 struct stat st, dest_st;
2772 struct utimbuf dest_time;
2773 gboolean ret = TRUE;
2778 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: name is NULL", __func__);
2780 mono_w32error_set_last (ERROR_INVALID_NAME);
2784 utf8_src = mono_unicode_to_external (name);
2785 if (utf8_src == NULL) {
2786 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: unicode conversion of source returned NULL",
2789 mono_w32error_set_last (ERROR_INVALID_PARAMETER);
2793 if(dest_name==NULL) {
2794 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: dest is NULL", __func__);
2797 mono_w32error_set_last (ERROR_INVALID_NAME);
2801 utf8_dest = mono_unicode_to_external (dest_name);
2802 if (utf8_dest == NULL) {
2803 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: unicode conversion of dest returned NULL",
2806 mono_w32error_set_last (ERROR_INVALID_PARAMETER);
2813 src_fd = _wapi_open (utf8_src, O_RDONLY, 0);
2815 _wapi_set_last_path_error_from_errno (NULL, utf8_src);
2824 syscall_res = fstat (src_fd, &st);
2826 if (syscall_res < 0) {
2827 _wapi_set_last_error_from_errno ();
2838 /* Before trying to open/create the dest, we need to report a 'file busy'
2839 * error if src and dest are actually the same file. We do the check here to take
2840 * advantage of the IOMAP capability */
2841 if (!_wapi_stat (utf8_dest, &dest_st) && st.st_dev == dest_st.st_dev &&
2842 st.st_ino == dest_st.st_ino) {
2850 mono_w32error_set_last (ERROR_SHARING_VIOLATION);
2854 if (fail_if_exists) {
2855 dest_fd = _wapi_open (utf8_dest, O_WRONLY | O_CREAT | O_EXCL, st.st_mode);
2857 /* FIXME: it kinda sucks that this code path potentially scans
2858 * the directory twice due to the weird mono_w32error_set_last()
2860 dest_fd = _wapi_open (utf8_dest, O_WRONLY | O_TRUNC, st.st_mode);
2862 /* The file does not exist, try creating it */
2863 dest_fd = _wapi_open (utf8_dest, O_WRONLY | O_CREAT | O_TRUNC, st.st_mode);
2865 /* Apparently this error is set if we
2866 * overwrite the dest file
2868 mono_w32error_set_last (ERROR_ALREADY_EXISTS);
2872 _wapi_set_last_error_from_errno ();
2883 if (!write_file (src_fd, dest_fd, &st, TRUE))
2889 dest_time.modtime = st.st_mtime;
2890 dest_time.actime = st.st_atime;
2892 ret_utime = utime (utf8_dest, &dest_time);
2894 if (ret_utime == -1)
2895 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: file [%s] utime failed: %s", __func__, utf8_dest, strerror(errno));
2904 convert_arg_to_utf8 (const gunichar2 *arg, const gchar *arg_name)
2909 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: %s is NULL", __func__, arg_name);
2910 mono_w32error_set_last (ERROR_INVALID_NAME);
2914 utf8_ret = mono_unicode_to_external (arg);
2915 if (utf8_ret == NULL) {
2916 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: unicode conversion of %s returned NULL",
2917 __func__, arg_name);
2918 mono_w32error_set_last (ERROR_INVALID_PARAMETER);
2926 ReplaceFile (const gunichar2 *replacedFileName, const gunichar2 *replacementFileName, const gunichar2 *backupFileName, guint32 replaceFlags, gpointer exclude, gpointer reserved)
2928 gint result, backup_fd = -1,replaced_fd = -1;
2929 gchar *utf8_replacedFileName, *utf8_replacementFileName = NULL, *utf8_backupFileName = NULL;
2930 struct stat stBackup;
2931 gboolean ret = FALSE;
2933 if (!(utf8_replacedFileName = convert_arg_to_utf8 (replacedFileName, "replacedFileName")))
2935 if (!(utf8_replacementFileName = convert_arg_to_utf8 (replacementFileName, "replacementFileName")))
2936 goto replace_cleanup;
2937 if (backupFileName != NULL) {
2938 if (!(utf8_backupFileName = convert_arg_to_utf8 (backupFileName, "backupFileName")))
2939 goto replace_cleanup;
2942 if (utf8_backupFileName) {
2943 // Open the backup file for read so we can restore the file if an error occurs.
2944 backup_fd = _wapi_open (utf8_backupFileName, O_RDONLY, 0);
2945 result = _wapi_rename (utf8_replacedFileName, utf8_backupFileName);
2947 goto replace_cleanup;
2950 result = _wapi_rename (utf8_replacementFileName, utf8_replacedFileName);
2952 _wapi_set_last_path_error_from_errno (NULL, utf8_replacementFileName);
2953 _wapi_rename (utf8_backupFileName, utf8_replacedFileName);
2954 if (backup_fd != -1 && !fstat (backup_fd, &stBackup)) {
2955 replaced_fd = _wapi_open (utf8_backupFileName, O_WRONLY | O_CREAT | O_TRUNC,
2958 if (replaced_fd == -1)
2959 goto replace_cleanup;
2961 write_file (backup_fd, replaced_fd, &stBackup, FALSE);
2964 goto replace_cleanup;
2970 g_free (utf8_replacedFileName);
2971 g_free (utf8_replacementFileName);
2972 g_free (utf8_backupFileName);
2973 if (backup_fd != -1) {
2978 if (replaced_fd != -1) {
2980 close (replaced_fd);
2986 static MonoCoopMutex stdhandle_mutex;
2989 _wapi_stdhandle_create (gint fd, const gchar *name)
2993 MonoW32HandleFile file_handle = {0};
2995 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: creating standard handle type %s, fd %d", __func__, name, fd);
2997 #if !defined(__native_client__)
2998 /* Check if fd is valid */
3000 flags = fcntl(fd, F_GETFL);
3001 } while (flags == -1 && errno == EINTR);
3004 /* Invalid fd. Not really much point checking for EBADF
3007 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: fcntl error on fd %d: %s", __func__, fd, strerror(errno));
3009 mono_w32error_set_last (mono_w32error_unix_to_win32 (errno));
3010 return INVALID_HANDLE_VALUE;
3013 switch (flags & (O_RDONLY|O_WRONLY|O_RDWR)) {
3015 file_handle.fileaccess = GENERIC_READ;
3018 file_handle.fileaccess = GENERIC_WRITE;
3021 file_handle.fileaccess = GENERIC_READ | GENERIC_WRITE;
3024 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Can't figure out flags 0x%x", __func__, flags);
3025 file_handle.fileaccess = 0;
3030 * fcntl will return -1 in nacl, as there is no real file system API.
3031 * Yet, standard streams are available.
3033 file_handle.fileaccess = (fd == STDIN_FILENO) ? GENERIC_READ : GENERIC_WRITE;
3036 file_handle.fd = fd;
3037 file_handle.filename = g_strdup(name);
3038 /* some default security attributes might be needed */
3039 file_handle.security_attributes = 0;
3041 /* Apparently input handles can't be written to. (I don't
3042 * know if output or error handles can't be read from.)
3045 file_handle.fileaccess &= ~GENERIC_WRITE;
3047 file_handle.sharemode = 0;
3048 file_handle.attrs = 0;
3050 handle = mono_w32handle_new_fd (MONO_W32HANDLE_CONSOLE, fd, &file_handle);
3051 if (handle == INVALID_HANDLE_VALUE) {
3052 g_warning ("%s: error creating file handle", __func__);
3053 mono_w32error_set_last (ERROR_GEN_FAILURE);
3054 return INVALID_HANDLE_VALUE;
3057 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: returning handle %p", __func__, handle);
3063 STD_INPUT_HANDLE = -10,
3064 STD_OUTPUT_HANDLE = -11,
3065 STD_ERROR_HANDLE = -12,
3069 mono_w32file_get_std_handle (gint stdhandle)
3071 MonoW32HandleFile *file_handle;
3078 case STD_INPUT_HANDLE:
3083 case STD_OUTPUT_HANDLE:
3088 case STD_ERROR_HANDLE:
3094 g_assert_not_reached ();
3097 handle = GINT_TO_POINTER (fd);
3099 mono_coop_mutex_lock (&stdhandle_mutex);
3101 ok = mono_w32handle_lookup (handle, MONO_W32HANDLE_CONSOLE,
3102 (gpointer *)&file_handle);
3104 /* Need to create this console handle */
3105 handle = _wapi_stdhandle_create (fd, name);
3107 if (handle == INVALID_HANDLE_VALUE) {
3108 mono_w32error_set_last (ERROR_NO_MORE_FILES);
3112 /* Add a reference to this handle */
3113 mono_w32handle_ref (handle);
3117 mono_coop_mutex_unlock (&stdhandle_mutex);
3123 mono_w32file_read (gpointer handle, gpointer buffer, guint32 numbytes, guint32 *bytesread)
3125 MonoW32HandleType type;
3127 type = mono_w32handle_get_type (handle);
3129 if(io_ops[type].readfile==NULL) {
3130 mono_w32error_set_last (ERROR_INVALID_HANDLE);
3134 return(io_ops[type].readfile (handle, buffer, numbytes, bytesread));
3138 mono_w32file_write (gpointer handle, gconstpointer buffer, guint32 numbytes, guint32 *byteswritten)
3140 MonoW32HandleType type;
3142 type = mono_w32handle_get_type (handle);
3144 if(io_ops[type].writefile==NULL) {
3145 mono_w32error_set_last (ERROR_INVALID_HANDLE);
3149 return(io_ops[type].writefile (handle, buffer, numbytes, byteswritten));
3153 mono_w32file_flush (gpointer handle)
3155 MonoW32HandleType type;
3157 type = mono_w32handle_get_type (handle);
3159 if(io_ops[type].flushfile==NULL) {
3160 mono_w32error_set_last (ERROR_INVALID_HANDLE);
3164 return(io_ops[type].flushfile (handle));
3168 mono_w32file_truncate (gpointer handle)
3170 MonoW32HandleType type;
3172 type = mono_w32handle_get_type (handle);
3174 if (io_ops[type].setendoffile == NULL) {
3175 mono_w32error_set_last (ERROR_INVALID_HANDLE);
3179 return(io_ops[type].setendoffile (handle));
3183 mono_w32file_seek (gpointer handle, gint32 movedistance, gint32 *highmovedistance, guint32 method)
3185 MonoW32HandleType type;
3187 type = mono_w32handle_get_type (handle);
3189 if (io_ops[type].seek == NULL) {
3190 mono_w32error_set_last (ERROR_INVALID_HANDLE);
3191 return(INVALID_SET_FILE_POINTER);
3194 return(io_ops[type].seek (handle, movedistance, highmovedistance,
3199 mono_w32file_get_type(gpointer handle)
3201 MonoW32HandleType type;
3203 type = mono_w32handle_get_type (handle);
3205 if (io_ops[type].getfiletype == NULL) {
3206 mono_w32error_set_last (ERROR_INVALID_HANDLE);
3207 return(FILE_TYPE_UNKNOWN);
3210 return(io_ops[type].getfiletype ());
3214 GetFileSize(gpointer handle, guint32 *highsize)
3216 MonoW32HandleType type;
3218 type = mono_w32handle_get_type (handle);
3220 if (io_ops[type].getfilesize == NULL) {
3221 mono_w32error_set_last (ERROR_INVALID_HANDLE);
3222 return(INVALID_FILE_SIZE);
3225 return(io_ops[type].getfilesize (handle, highsize));
3229 mono_w32file_get_times(gpointer handle, FILETIME *create_time, FILETIME *access_time, FILETIME *write_time)
3231 MonoW32HandleType type;
3233 type = mono_w32handle_get_type (handle);
3235 if (io_ops[type].getfiletime == NULL) {
3236 mono_w32error_set_last (ERROR_INVALID_HANDLE);
3240 return(io_ops[type].getfiletime (handle, create_time, access_time,
3245 mono_w32file_set_times(gpointer handle, const FILETIME *create_time, const FILETIME *access_time, const FILETIME *write_time)
3247 MonoW32HandleType type;
3249 type = mono_w32handle_get_type (handle);
3251 if (io_ops[type].setfiletime == NULL) {
3252 mono_w32error_set_last (ERROR_INVALID_HANDLE);
3256 return(io_ops[type].setfiletime (handle, create_time, access_time,
3260 /* A tick is a 100-nanosecond interval. File time epoch is Midnight,
3261 * January 1 1601 GMT
3264 #define TICKS_PER_MILLISECOND 10000L
3265 #define TICKS_PER_SECOND 10000000L
3266 #define TICKS_PER_MINUTE 600000000L
3267 #define TICKS_PER_HOUR 36000000000LL
3268 #define TICKS_PER_DAY 864000000000LL
3270 #define isleap(y) ((y) % 4 == 0 && ((y) % 100 != 0 || (y) % 400 == 0))
3272 static const guint16 mon_yday[2][13]={
3273 {0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365},
3274 {0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366},
3278 mono_w32file_filetime_to_systemtime(const FILETIME *file_time, SYSTEMTIME *system_time)
3280 gint64 file_ticks, totaldays, rem, y;
3283 if(system_time==NULL) {
3284 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: system_time NULL", __func__);
3286 mono_w32error_set_last (ERROR_INVALID_PARAMETER);
3290 file_ticks=((gint64)file_time->dwHighDateTime << 32) +
3291 file_time->dwLowDateTime;
3293 /* Really compares if file_ticks>=0x8000000000000000
3294 * (LLONG_MAX+1) but we're working with a signed value for the
3295 * year and day calculation to work later
3298 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: file_time too big", __func__);
3300 mono_w32error_set_last (ERROR_INVALID_PARAMETER);
3304 totaldays=(file_ticks / TICKS_PER_DAY);
3305 rem = file_ticks % TICKS_PER_DAY;
3306 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: totaldays: %lld rem: %lld", __func__, totaldays, rem);
3308 system_time->wHour=rem/TICKS_PER_HOUR;
3309 rem %= TICKS_PER_HOUR;
3310 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Hour: %d rem: %lld", __func__, system_time->wHour, rem);
3312 system_time->wMinute = rem / TICKS_PER_MINUTE;
3313 rem %= TICKS_PER_MINUTE;
3314 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Minute: %d rem: %lld", __func__, system_time->wMinute,
3317 system_time->wSecond = rem / TICKS_PER_SECOND;
3318 rem %= TICKS_PER_SECOND;
3319 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Second: %d rem: %lld", __func__, system_time->wSecond,
3322 system_time->wMilliseconds = rem / TICKS_PER_MILLISECOND;
3323 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Milliseconds: %d", __func__,
3324 system_time->wMilliseconds);
3326 /* January 1, 1601 was a Monday, according to Emacs calendar */
3327 system_time->wDayOfWeek = ((1 + totaldays) % 7) + 1;
3328 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Day of week: %d", __func__, system_time->wDayOfWeek);
3330 /* This algorithm to find year and month given days from epoch
3335 #define DIV(a, b) ((a) / (b) - ((a) % (b) < 0))
3336 #define LEAPS_THRU_END_OF(y) (DIV(y, 4) - DIV (y, 100) + DIV (y, 400))
3338 while(totaldays < 0 || totaldays >= (isleap(y)?366:365)) {
3339 /* Guess a corrected year, assuming 365 days per year */
3340 gint64 yg = y + totaldays / 365 - (totaldays % 365 < 0);
3341 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: totaldays: %lld yg: %lld y: %lld", __func__,
3344 g_message("%s: LEAPS(yg): %lld LEAPS(y): %lld", __func__,
3345 LEAPS_THRU_END_OF(yg-1), LEAPS_THRU_END_OF(y-1));
3347 /* Adjust days and y to match the guessed year. */
3348 totaldays -= ((yg - y) * 365
3349 + LEAPS_THRU_END_OF (yg - 1)
3350 - LEAPS_THRU_END_OF (y - 1));
3351 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: totaldays: %lld", __func__, totaldays);
3353 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: y: %lld", __func__, y);
3356 system_time->wYear = y;
3357 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Year: %d", __func__, system_time->wYear);
3359 ip = mon_yday[isleap(y)];
3361 for(y=11; totaldays < ip[y]; --y) {
3365 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: totaldays: %lld", __func__, totaldays);
3367 system_time->wMonth = y + 1;
3368 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Month: %d", __func__, system_time->wMonth);
3370 system_time->wDay = totaldays + 1;
3371 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Day: %d", __func__, system_time->wDay);
3377 mono_w32file_find_first (const gunichar2 *pattern, WIN32_FIND_DATA *find_data)
3379 MonoW32HandleFind find_handle = {0};
3381 gchar *utf8_pattern = NULL, *dir_part, *entry_part;
3384 if (pattern == NULL) {
3385 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: pattern is NULL", __func__);
3387 mono_w32error_set_last (ERROR_PATH_NOT_FOUND);
3388 return(INVALID_HANDLE_VALUE);
3391 utf8_pattern = mono_unicode_to_external (pattern);
3392 if (utf8_pattern == NULL) {
3393 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: unicode conversion returned NULL", __func__);
3395 mono_w32error_set_last (ERROR_INVALID_NAME);
3396 return(INVALID_HANDLE_VALUE);
3399 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: looking for [%s]", __func__, utf8_pattern);
3401 /* Figure out which bit of the pattern is the directory */
3402 dir_part = _wapi_dirname (utf8_pattern);
3403 entry_part = _wapi_basename (utf8_pattern);
3406 /* Don't do this check for now, it breaks if directories
3407 * really do have metachars in their names (see bug 58116).
3408 * FIXME: Figure out a better solution to keep some checks...
3410 if (strchr (dir_part, '*') || strchr (dir_part, '?')) {
3411 mono_w32error_set_last (ERROR_INVALID_NAME);
3413 g_free (entry_part);
3414 g_free (utf8_pattern);
3415 return(INVALID_HANDLE_VALUE);
3419 /* The pattern can specify a directory or a set of files.
3421 * The pattern can have wildcard characters ? and *, but only
3422 * in the section after the last directory delimiter. (Return
3423 * ERROR_INVALID_NAME if there are wildcards in earlier path
3424 * sections.) "*" has the usual 0-or-more chars meaning. "?"
3425 * means "match one character", "??" seems to mean "match one
3426 * or two characters", "???" seems to mean "match one, two or
3427 * three characters", etc. Windows will also try and match
3428 * the mangled "short name" of files, so 8 character patterns
3429 * with wildcards will show some surprising results.
3431 * All the written documentation I can find says that '?'
3432 * should only match one character, and doesn't mention '??',
3433 * '???' etc. I'm going to assume that the strict behaviour
3434 * (ie '???' means three and only three characters) is the
3435 * correct one, because that lets me use fnmatch(3) rather
3436 * than mess around with regexes.
3439 find_handle.namelist = NULL;
3440 result = _wapi_io_scandir (dir_part, entry_part,
3441 &find_handle.namelist);
3444 /* No files, which windows seems to call
3447 mono_w32error_set_last (ERROR_FILE_NOT_FOUND);
3448 g_free (utf8_pattern);
3449 g_free (entry_part);
3451 return (INVALID_HANDLE_VALUE);
3455 _wapi_set_last_path_error_from_errno (dir_part, NULL);
3456 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: scandir error: %s", __func__, g_strerror (errno));
3457 g_free (utf8_pattern);
3458 g_free (entry_part);
3460 return (INVALID_HANDLE_VALUE);
3463 g_free (utf8_pattern);
3464 g_free (entry_part);
3466 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Got %d matches", __func__, result);
3468 find_handle.dir_part = dir_part;
3469 find_handle.num = result;
3470 find_handle.count = 0;
3472 handle = mono_w32handle_new (MONO_W32HANDLE_FIND, &find_handle);
3473 if (handle == INVALID_HANDLE_VALUE) {
3474 g_warning ("%s: error creating find handle", __func__);
3476 g_free (entry_part);
3477 g_free (utf8_pattern);
3478 mono_w32error_set_last (ERROR_GEN_FAILURE);
3480 return(INVALID_HANDLE_VALUE);
3483 if (handle != INVALID_HANDLE_VALUE &&
3484 !mono_w32file_find_next (handle, find_data)) {
3485 mono_w32file_find_close (handle);
3486 mono_w32error_set_last (ERROR_NO_MORE_FILES);
3487 handle = INVALID_HANDLE_VALUE;
3494 mono_w32file_find_next (gpointer handle, WIN32_FIND_DATA *find_data)
3496 MonoW32HandleFind *find_handle;
3498 struct stat buf, linkbuf;
3501 gchar *utf8_filename, *utf8_basename;
3502 gunichar2 *utf16_basename;
3505 gboolean ret = FALSE;
3507 ok=mono_w32handle_lookup (handle, MONO_W32HANDLE_FIND,
3508 (gpointer *)&find_handle);
3510 g_warning ("%s: error looking up find handle %p", __func__,
3512 mono_w32error_set_last (ERROR_INVALID_HANDLE);
3516 mono_w32handle_lock_handle (handle);
3519 if (find_handle->count >= find_handle->num) {
3520 mono_w32error_set_last (ERROR_NO_MORE_FILES);
3524 /* stat next match */
3526 filename = g_build_filename (find_handle->dir_part, find_handle->namelist[find_handle->count ++], NULL);
3528 result = _wapi_stat (filename, &buf);
3529 if (result == -1 && errno == ENOENT) {
3530 /* Might be a dangling symlink */
3531 result = _wapi_lstat (filename, &buf);
3535 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: stat failed: %s", __func__, filename);
3541 #ifndef __native_client__
3542 result = _wapi_lstat (filename, &linkbuf);
3544 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: lstat failed: %s", __func__, filename);
3551 utf8_filename = mono_utf8_from_external (filename);
3552 if (utf8_filename == NULL) {
3553 /* We couldn't turn this filename into utf8 (eg the
3554 * encoding of the name wasn't convertible), so just
3557 g_warning ("%s: Bad encoding for '%s'\nConsider using MONO_EXTERNAL_ENCODINGS\n", __func__, filename);
3564 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Found [%s]", __func__, utf8_filename);
3566 /* fill data block */
3568 if (buf.st_mtime < buf.st_ctime)
3569 create_time = buf.st_mtime;
3571 create_time = buf.st_ctime;
3573 #ifdef __native_client__
3574 find_data->dwFileAttributes = _wapi_stat_to_file_attributes (utf8_filename, &buf, NULL);
3576 find_data->dwFileAttributes = _wapi_stat_to_file_attributes (utf8_filename, &buf, &linkbuf);
3579 time_t_to_filetime (create_time, &find_data->ftCreationTime);
3580 time_t_to_filetime (buf.st_atime, &find_data->ftLastAccessTime);
3581 time_t_to_filetime (buf.st_mtime, &find_data->ftLastWriteTime);
3583 if (find_data->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
3584 find_data->nFileSizeHigh = 0;
3585 find_data->nFileSizeLow = 0;
3587 find_data->nFileSizeHigh = buf.st_size >> 32;
3588 find_data->nFileSizeLow = buf.st_size & 0xFFFFFFFF;
3591 find_data->dwReserved0 = 0;
3592 find_data->dwReserved1 = 0;
3594 utf8_basename = _wapi_basename (utf8_filename);
3595 utf16_basename = g_utf8_to_utf16 (utf8_basename, -1, NULL, &bytes,
3597 if(utf16_basename==NULL) {
3598 g_free (utf8_basename);
3599 g_free (utf8_filename);
3604 /* utf16 is 2 * utf8 */
3607 memset (find_data->cFileName, '\0', (MAX_PATH*2));
3609 /* Truncating a utf16 string like this might leave the last
3612 memcpy (find_data->cFileName, utf16_basename,
3613 bytes<(MAX_PATH*2)-2?bytes:(MAX_PATH*2)-2);
3615 find_data->cAlternateFileName [0] = 0; /* not used */
3617 g_free (utf8_basename);
3618 g_free (utf8_filename);
3619 g_free (utf16_basename);
3622 mono_w32handle_unlock_handle (handle);
3628 mono_w32file_find_close (gpointer handle)
3630 MonoW32HandleFind *find_handle;
3633 if (handle == NULL) {
3634 mono_w32error_set_last (ERROR_INVALID_HANDLE);
3638 ok=mono_w32handle_lookup (handle, MONO_W32HANDLE_FIND,
3639 (gpointer *)&find_handle);
3641 g_warning ("%s: error looking up find handle %p", __func__,
3643 mono_w32error_set_last (ERROR_INVALID_HANDLE);
3647 mono_w32handle_lock_handle (handle);
3649 g_strfreev (find_handle->namelist);
3650 g_free (find_handle->dir_part);
3652 mono_w32handle_unlock_handle (handle);
3654 mono_w32handle_unref (handle);
3660 mono_w32file_create_directory (const gunichar2 *name)
3666 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: name is NULL", __func__);
3668 mono_w32error_set_last (ERROR_INVALID_NAME);
3672 utf8_name = mono_unicode_to_external (name);
3673 if (utf8_name == NULL) {
3674 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: unicode conversion returned NULL", __func__);
3676 mono_w32error_set_last (ERROR_INVALID_NAME);
3680 result = _wapi_mkdir (utf8_name, 0777);
3687 _wapi_set_last_path_error_from_errno (NULL, utf8_name);
3693 mono_w32file_remove_directory (const gunichar2 *name)
3699 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: name is NULL", __func__);
3701 mono_w32error_set_last (ERROR_INVALID_NAME);
3705 utf8_name = mono_unicode_to_external (name);
3706 if (utf8_name == NULL) {
3707 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: unicode conversion returned NULL", __func__);
3709 mono_w32error_set_last (ERROR_INVALID_NAME);
3713 result = _wapi_rmdir (utf8_name);
3715 _wapi_set_last_path_error_from_errno (NULL, utf8_name);
3726 mono_w32file_get_attributes (const gunichar2 *name)
3729 struct stat buf, linkbuf;
3734 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: name is NULL", __func__);
3736 mono_w32error_set_last (ERROR_INVALID_NAME);
3740 utf8_name = mono_unicode_to_external (name);
3741 if (utf8_name == NULL) {
3742 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: unicode conversion returned NULL", __func__);
3744 mono_w32error_set_last (ERROR_INVALID_PARAMETER);
3745 return (INVALID_FILE_ATTRIBUTES);
3748 result = _wapi_stat (utf8_name, &buf);
3749 if (result == -1 && errno == ENOENT) {
3750 /* Might be a dangling symlink... */
3751 result = _wapi_lstat (utf8_name, &buf);
3755 _wapi_set_last_path_error_from_errno (NULL, utf8_name);
3757 return (INVALID_FILE_ATTRIBUTES);
3760 #ifndef __native_client__
3761 result = _wapi_lstat (utf8_name, &linkbuf);
3763 _wapi_set_last_path_error_from_errno (NULL, utf8_name);
3765 return (INVALID_FILE_ATTRIBUTES);
3769 #ifdef __native_client__
3770 ret = _wapi_stat_to_file_attributes (utf8_name, &buf, NULL);
3772 ret = _wapi_stat_to_file_attributes (utf8_name, &buf, &linkbuf);
3781 mono_w32file_get_attributes_ex (const gunichar2 *name, MonoIOStat *stat)
3785 struct stat buf, linkbuf;
3789 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: name is NULL", __func__);
3791 mono_w32error_set_last (ERROR_INVALID_NAME);
3795 utf8_name = mono_unicode_to_external (name);
3796 if (utf8_name == NULL) {
3797 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: unicode conversion returned NULL", __func__);
3799 mono_w32error_set_last (ERROR_INVALID_PARAMETER);
3803 result = _wapi_stat (utf8_name, &buf);
3804 if (result == -1 && errno == ENOENT) {
3805 /* Might be a dangling symlink... */
3806 result = _wapi_lstat (utf8_name, &buf);
3810 _wapi_set_last_path_error_from_errno (NULL, utf8_name);
3815 result = _wapi_lstat (utf8_name, &linkbuf);
3817 _wapi_set_last_path_error_from_errno (NULL, utf8_name);
3822 /* fill stat block */
3824 stat->attributes = _wapi_stat_to_file_attributes (utf8_name, &buf, &linkbuf);
3825 stat->creation_time = (((guint64) (buf.st_mtime < buf.st_ctime ? buf.st_mtime : buf.st_ctime)) * 10 * 1000 * 1000) + 116444736000000000ULL;
3826 stat->last_access_time = (((guint64) (buf.st_atime)) * 10 * 1000 * 1000) + 116444736000000000ULL;
3827 stat->last_write_time = (((guint64) (buf.st_mtime)) * 10 * 1000 * 1000) + 116444736000000000ULL;
3828 stat->length = (stat->attributes & FILE_ATTRIBUTE_DIRECTORY) ? 0 : buf.st_size;
3835 mono_w32file_set_attributes (const gunichar2 *name, guint32 attrs)
3837 /* FIXME: think of something clever to do on unix */
3843 * Currently we only handle one *internal* case, with a value that is
3844 * not standard: 0x80000000, which means `set executable bit'
3848 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: name is NULL", __func__);
3850 mono_w32error_set_last (ERROR_INVALID_NAME);
3854 utf8_name = mono_unicode_to_external (name);
3855 if (utf8_name == NULL) {
3856 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: unicode conversion returned NULL", __func__);
3858 mono_w32error_set_last (ERROR_INVALID_NAME);
3862 result = _wapi_stat (utf8_name, &buf);
3863 if (result == -1 && errno == ENOENT) {
3864 /* Might be a dangling symlink... */
3865 result = _wapi_lstat (utf8_name, &buf);
3869 _wapi_set_last_path_error_from_errno (NULL, utf8_name);
3874 /* Contrary to the documentation, ms allows NORMAL to be
3875 * specified along with other attributes, so dont bother to
3876 * catch that case here.
3878 if (attrs & FILE_ATTRIBUTE_READONLY) {
3879 result = _wapi_chmod (utf8_name, buf.st_mode & ~(S_IWUSR | S_IWOTH | S_IWGRP));
3881 result = _wapi_chmod (utf8_name, buf.st_mode | S_IWUSR);
3884 /* Ignore the other attributes for now */
3886 if (attrs & 0x80000000){
3887 mode_t exec_mask = 0;
3889 if ((buf.st_mode & S_IRUSR) != 0)
3890 exec_mask |= S_IXUSR;
3892 if ((buf.st_mode & S_IRGRP) != 0)
3893 exec_mask |= S_IXGRP;
3895 if ((buf.st_mode & S_IROTH) != 0)
3896 exec_mask |= S_IXOTH;
3899 result = chmod (utf8_name, buf.st_mode | exec_mask);
3902 /* Don't bother to reset executable (might need to change this
3912 mono_w32file_get_cwd (guint32 length, gunichar2 *buffer)
3914 gunichar2 *utf16_path;
3918 #ifdef __native_client__
3919 gchar *path = g_get_current_dir ();
3920 if (length < strlen(path) + 1 || path == NULL)
3922 memcpy (buffer, path, strlen(path) + 1);
3924 if (getcwd ((gchar*)buffer, length) == NULL) {
3925 if (errno == ERANGE) { /*buffer length is not big enough */
3926 gchar *path = g_get_current_dir (); /*FIXME g_get_current_dir doesn't work with broken paths and calling it just to know the path length is silly*/
3929 utf16_path = mono_unicode_from_external (path, &bytes);
3930 g_free (utf16_path);
3934 _wapi_set_last_error_from_errno ();
3939 utf16_path = mono_unicode_from_external ((gchar*)buffer, &bytes);
3940 count = (bytes/2)+1;
3941 g_assert (count <= length); /*getcwd must have failed before with ERANGE*/
3943 /* Add the terminator */
3944 memset (buffer, '\0', bytes+2);
3945 memcpy (buffer, utf16_path, bytes);
3947 g_free (utf16_path);
3953 mono_w32file_set_cwd (const gunichar2 *path)
3959 mono_w32error_set_last (ERROR_INVALID_PARAMETER);
3963 utf8_path = mono_unicode_to_external (path);
3964 if (_wapi_chdir (utf8_path) != 0) {
3965 _wapi_set_last_error_from_errno ();
3976 mono_w32file_create_pipe (gpointer *readpipe, gpointer *writepipe, guint32 size)
3978 MonoW32HandleFile pipe_read_handle = {0};
3979 MonoW32HandleFile pipe_write_handle = {0};
3980 gpointer read_handle;
3981 gpointer write_handle;
3985 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Creating pipe", __func__);
3991 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Error creating pipe: %s", __func__,
3994 _wapi_set_last_error_from_errno ();
3998 if (filedes[0] >= mono_w32handle_fd_reserve ||
3999 filedes[1] >= mono_w32handle_fd_reserve) {
4000 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: File descriptor is too big", __func__);
4002 mono_w32error_set_last (ERROR_TOO_MANY_OPEN_FILES);
4012 /* filedes[0] is open for reading, filedes[1] for writing */
4014 pipe_read_handle.fd = filedes [0];
4015 pipe_read_handle.fileaccess = GENERIC_READ;
4016 read_handle = mono_w32handle_new_fd (MONO_W32HANDLE_PIPE, filedes[0],
4018 if (read_handle == INVALID_HANDLE_VALUE) {
4019 g_warning ("%s: error creating pipe read handle", __func__);
4024 mono_w32error_set_last (ERROR_GEN_FAILURE);
4029 pipe_write_handle.fd = filedes [1];
4030 pipe_write_handle.fileaccess = GENERIC_WRITE;
4031 write_handle = mono_w32handle_new_fd (MONO_W32HANDLE_PIPE, filedes[1],
4032 &pipe_write_handle);
4033 if (write_handle == INVALID_HANDLE_VALUE) {
4034 g_warning ("%s: error creating pipe write handle", __func__);
4035 mono_w32handle_unref (read_handle);
4041 mono_w32error_set_last (ERROR_GEN_FAILURE);
4046 *readpipe = read_handle;
4047 *writepipe = write_handle;
4049 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Returning pipe: read handle %p, write handle %p",
4050 __func__, read_handle, write_handle);
4055 #ifdef HAVE_GETFSSTAT
4056 /* Darwin has getfsstat */
4058 mono_w32file_get_logical_drive (guint32 len, gunichar2 *buf)
4060 struct statfs *stats;
4063 glong length, total = 0;
4067 n = getfsstat (NULL, 0, MNT_NOWAIT);
4071 size = n * sizeof (struct statfs);
4072 stats = (struct statfs *) g_malloc (size);
4076 syscall_res = getfsstat (stats, size, MNT_NOWAIT);
4078 if (syscall_res == -1){
4082 for (i = 0; i < n; i++){
4083 dir = g_utf8_to_utf16 (stats [i].f_mntonname, -1, NULL, &length, NULL);
4084 if (total + length < len){
4085 memcpy (buf + total, dir, sizeof (gunichar2) * length);
4086 buf [total+length] = 0;
4089 total += length + 1;
4098 /* In-place octal sequence replacement */
4100 unescape_octal (gchar *str)
4109 while (*rptr != '\0') {
4110 if (*rptr == '\\') {
4113 c = (*(rptr++) - '0') << 6;
4114 c += (*(rptr++) - '0') << 3;
4115 c += *(rptr++) - '0';
4117 } else if (wptr != rptr) {
4125 static gint32 GetLogicalDriveStrings_Mtab (guint32 len, gunichar2 *buf);
4128 #define GET_LOGICAL_DRIVE_STRINGS_BUFFER 512
4129 #define GET_LOGICAL_DRIVE_STRINGS_MOUNTPOINT_BUFFER 512
4130 #define GET_LOGICAL_DRIVE_STRINGS_FSNAME_BUFFER 64
4135 guint32 buffer_index;
4136 guint32 mountpoint_index;
4137 guint32 field_number;
4138 guint32 allocated_size;
4139 guint32 fsname_index;
4140 guint32 fstype_index;
4141 gchar mountpoint [GET_LOGICAL_DRIVE_STRINGS_MOUNTPOINT_BUFFER + 1];
4142 gchar *mountpoint_allocated;
4143 gchar buffer [GET_LOGICAL_DRIVE_STRINGS_BUFFER];
4144 gchar fsname [GET_LOGICAL_DRIVE_STRINGS_FSNAME_BUFFER + 1];
4145 gchar fstype [GET_LOGICAL_DRIVE_STRINGS_FSNAME_BUFFER + 1];
4148 gboolean check_mount_source;
4149 } LinuxMountInfoParseState;
4151 static gboolean GetLogicalDriveStrings_Mounts (guint32 len, gunichar2 *buf, LinuxMountInfoParseState *state);
4152 static gboolean GetLogicalDriveStrings_MountInfo (guint32 len, gunichar2 *buf, LinuxMountInfoParseState *state);
4153 static void append_to_mountpoint (LinuxMountInfoParseState *state);
4154 static gboolean add_drive_string (guint32 len, gunichar2 *buf, LinuxMountInfoParseState *state);
4157 mono_w32file_get_logical_drive (guint32 len, gunichar2 *buf)
4161 LinuxMountInfoParseState state;
4162 gboolean (*parser)(guint32, gunichar2*, LinuxMountInfoParseState*) = NULL;
4164 memset (buf, 0, len * sizeof (gunichar2));
4166 fd = open ("/proc/self/mountinfo", O_RDONLY);
4169 parser = GetLogicalDriveStrings_MountInfo;
4172 fd = open ("/proc/mounts", O_RDONLY);
4175 parser = GetLogicalDriveStrings_Mounts;
4179 ret = GetLogicalDriveStrings_Mtab (len, buf);
4183 memset (&state, 0, sizeof (LinuxMountInfoParseState));
4184 state.field_number = 1;
4185 state.delimiter = ' ';
4189 state.nbytes = read (fd, state.buffer, GET_LOGICAL_DRIVE_STRINGS_BUFFER);
4191 if (!(state.nbytes > 0))
4193 state.buffer_index = 0;
4195 while ((*parser)(len, buf, &state)) {
4196 if (state.buffer [state.buffer_index] == '\n') {
4197 gboolean quit = add_drive_string (len, buf, &state);
4198 state.field_number = 1;
4199 state.buffer_index++;
4200 if (state.mountpoint_allocated) {
4201 g_free (state.mountpoint_allocated);
4202 state.mountpoint_allocated = NULL;
4222 static gboolean GetLogicalDriveStrings_Mounts (guint32 len, gunichar2 *buf, LinuxMountInfoParseState *state)
4226 if (state->field_number == 1)
4227 state->check_mount_source = TRUE;
4229 while (state->buffer_index < (guint32)state->nbytes) {
4230 if (state->buffer [state->buffer_index] == state->delimiter) {
4231 state->field_number++;
4232 switch (state->field_number) {
4234 state->mountpoint_index = 0;
4238 if (state->mountpoint_allocated)
4239 state->mountpoint_allocated [state->mountpoint_index] = 0;
4241 state->mountpoint [state->mountpoint_index] = 0;
4245 ptr = (gchar*)memchr (state->buffer + state->buffer_index, '\n', GET_LOGICAL_DRIVE_STRINGS_BUFFER - state->buffer_index);
4247 state->buffer_index = (ptr - (gchar*)state->buffer) - 1;
4249 state->buffer_index = state->nbytes;
4252 state->buffer_index++;
4254 } else if (state->buffer [state->buffer_index] == '\n')
4257 switch (state->field_number) {
4259 if (state->check_mount_source) {
4260 if (state->fsname_index == 0 && state->buffer [state->buffer_index] == '/') {
4261 /* We can ignore the rest, it's a device
4263 state->check_mount_source = FALSE;
4264 state->fsname [state->fsname_index++] = '/';
4267 if (state->fsname_index < GET_LOGICAL_DRIVE_STRINGS_FSNAME_BUFFER)
4268 state->fsname [state->fsname_index++] = state->buffer [state->buffer_index];
4273 append_to_mountpoint (state);
4277 if (state->fstype_index < GET_LOGICAL_DRIVE_STRINGS_FSNAME_BUFFER)
4278 state->fstype [state->fstype_index++] = state->buffer [state->buffer_index];
4282 state->buffer_index++;
4288 static gboolean GetLogicalDriveStrings_MountInfo (guint32 len, gunichar2 *buf, LinuxMountInfoParseState *state)
4290 while (state->buffer_index < (guint32)state->nbytes) {
4291 if (state->buffer [state->buffer_index] == state->delimiter) {
4292 state->field_number++;
4293 switch (state->field_number) {
4295 state->mountpoint_index = 0;
4299 if (state->mountpoint_allocated)
4300 state->mountpoint_allocated [state->mountpoint_index] = 0;
4302 state->mountpoint [state->mountpoint_index] = 0;
4306 state->delimiter = '-';
4310 state->delimiter = ' ';
4314 state->check_mount_source = TRUE;
4317 state->buffer_index++;
4319 } else if (state->buffer [state->buffer_index] == '\n')
4322 switch (state->field_number) {
4324 append_to_mountpoint (state);
4328 if (state->fstype_index < GET_LOGICAL_DRIVE_STRINGS_FSNAME_BUFFER)
4329 state->fstype [state->fstype_index++] = state->buffer [state->buffer_index];
4333 if (state->check_mount_source) {
4334 if (state->fsname_index == 0 && state->buffer [state->buffer_index] == '/') {
4335 /* We can ignore the rest, it's a device
4337 state->check_mount_source = FALSE;
4338 state->fsname [state->fsname_index++] = '/';
4341 if (state->fsname_index < GET_LOGICAL_DRIVE_STRINGS_FSNAME_BUFFER)
4342 state->fsname [state->fsname_index++] = state->buffer [state->buffer_index];
4347 state->buffer_index++;
4354 append_to_mountpoint (LinuxMountInfoParseState *state)
4356 gchar ch = state->buffer [state->buffer_index];
4357 if (state->mountpoint_allocated) {
4358 if (state->mountpoint_index >= state->allocated_size) {
4359 guint32 newsize = (state->allocated_size << 1) + 1;
4360 gchar *newbuf = (gchar *)g_malloc0 (newsize * sizeof (gchar));
4362 memcpy (newbuf, state->mountpoint_allocated, state->mountpoint_index);
4363 g_free (state->mountpoint_allocated);
4364 state->mountpoint_allocated = newbuf;
4365 state->allocated_size = newsize;
4367 state->mountpoint_allocated [state->mountpoint_index++] = ch;
4369 if (state->mountpoint_index >= GET_LOGICAL_DRIVE_STRINGS_MOUNTPOINT_BUFFER) {
4370 state->allocated_size = (state->mountpoint_index << 1) + 1;
4371 state->mountpoint_allocated = (gchar *)g_malloc0 (state->allocated_size * sizeof (gchar));
4372 memcpy (state->mountpoint_allocated, state->mountpoint, state->mountpoint_index);
4373 state->mountpoint_allocated [state->mountpoint_index++] = ch;
4375 state->mountpoint [state->mountpoint_index++] = ch;
4380 add_drive_string (guint32 len, gunichar2 *buf, LinuxMountInfoParseState *state)
4382 gboolean quit = FALSE;
4383 gboolean ignore_entry;
4385 if (state->fsname_index == 1 && state->fsname [0] == '/')
4386 ignore_entry = FALSE;
4387 else if (memcmp ("overlay", state->fsname, state->fsname_index) == 0 ||
4388 memcmp ("aufs", state->fstype, state->fstype_index) == 0) {
4389 /* Don't ignore overlayfs and aufs - these might be used on Docker
4390 * (https://bugzilla.xamarin.com/show_bug.cgi?id=31021) */
4391 ignore_entry = FALSE;
4392 } else if (state->fsname_index == 0 || memcmp ("none", state->fsname, state->fsname_index) == 0) {
4393 ignore_entry = TRUE;
4394 } else if (state->fstype_index >= 5 && memcmp ("fuse.", state->fstype, 5) == 0) {
4395 /* Ignore GNOME's gvfs */
4396 if (state->fstype_index == 21 && memcmp ("fuse.gvfs-fuse-daemon", state->fstype, state->fstype_index) == 0)
4397 ignore_entry = TRUE;
4399 ignore_entry = FALSE;
4400 } else if (state->fstype_index == 3 && memcmp ("nfs", state->fstype, state->fstype_index) == 0)
4401 ignore_entry = FALSE;
4403 ignore_entry = TRUE;
4405 if (!ignore_entry) {
4408 gchar *mountpoint = state->mountpoint_allocated ? state->mountpoint_allocated : state->mountpoint;
4410 unescape_octal (mountpoint);
4411 dir = g_utf8_to_utf16 (mountpoint, -1, NULL, &length, NULL);
4412 if (state->total + length + 1 > len) {
4414 state->total = len * 2;
4417 memcpy (buf + state->total, dir, sizeof (gunichar2) * length);
4418 state->total += length;
4422 state->fsname_index = 0;
4423 state->fstype_index = 0;
4429 mono_w32file_get_logical_drive (guint32 len, gunichar2 *buf)
4431 return GetLogicalDriveStrings_Mtab (len, buf);
4435 GetLogicalDriveStrings_Mtab (guint32 len, gunichar2 *buf)
4438 gunichar2 *ptr, *dir;
4439 glong length, total = 0;
4443 memset (buf, 0, sizeof (gunichar2) * (len + 1));
4448 /* Sigh, mntent and friends don't work well.
4449 * It stops on the first line that doesn't begin with a '/'.
4450 * (linux 2.6.5, libc 2.3.2.ds1-12) - Gonz */
4452 fp = fopen ("/etc/mtab", "rt");
4456 fp = fopen ("/etc/mnttab", "rt");
4466 fgets_res = fgets (buffer, 512, fp);
4473 splitted = g_strsplit (buffer, " ", 0);
4474 if (!*splitted || !*(splitted + 1)) {
4475 g_strfreev (splitted);
4479 unescape_octal (*(splitted + 1));
4480 dir = g_utf8_to_utf16 (*(splitted + 1), -1, NULL, &length, NULL);
4481 g_strfreev (splitted);
4482 if (total + length + 1 > len) {
4487 return len * 2; /* guess */
4490 memcpy (ptr + total, dir, sizeof (gunichar2) * length);
4492 total += length + 1;
4499 /* Commented out, does not work with my mtab!!! - Gonz */
4500 #ifdef NOTENABLED /* HAVE_MNTENT_H */
4504 gunichar2 *ptr, *dir;
4505 glong len, total = 0;
4509 fp = setmntent ("/etc/mtab", "rt");
4513 fp = setmntent ("/etc/mnttab", "rt");
4522 mnt = getmntent (fp);
4526 g_print ("GOT %s\n", mnt->mnt_dir);
4527 dir = g_utf8_to_utf16 (mnt->mnt_dir, &len, NULL, NULL, NULL);
4528 if (total + len + 1 > len) {
4532 return len * 2; /* guess */
4535 memcpy (ptr + total, dir, sizeof (gunichar2) * len);
4549 #if defined(HAVE_STATVFS) || defined(HAVE_STATFS)
4551 mono_w32file_get_disk_free_space (const gunichar2 *path_name, guint64 *free_bytes_avail, guint64 *total_number_of_bytes, guint64 *total_number_of_free_bytes)
4554 struct statvfs fsstat;
4555 #elif defined(HAVE_STATFS)
4556 struct statfs fsstat;
4558 gboolean isreadonly;
4559 gchar *utf8_path_name;
4561 unsigned long block_size;
4563 if (path_name == NULL) {
4564 utf8_path_name = g_strdup (g_get_current_dir());
4565 if (utf8_path_name == NULL) {
4566 mono_w32error_set_last (ERROR_DIRECTORY);
4571 utf8_path_name = mono_unicode_to_external (path_name);
4572 if (utf8_path_name == NULL) {
4573 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: unicode conversion returned NULL", __func__);
4575 mono_w32error_set_last (ERROR_INVALID_NAME);
4583 ret = statvfs (utf8_path_name, &fsstat);
4585 isreadonly = ((fsstat.f_flag & ST_RDONLY) == ST_RDONLY);
4586 block_size = fsstat.f_frsize;
4587 #elif defined(HAVE_STATFS)
4589 ret = statfs (utf8_path_name, &fsstat);
4591 #if defined (MNT_RDONLY)
4592 isreadonly = ((fsstat.f_flags & MNT_RDONLY) == MNT_RDONLY);
4593 #elif defined (MS_RDONLY)
4594 isreadonly = ((fsstat.f_flags & MS_RDONLY) == MS_RDONLY);
4596 block_size = fsstat.f_bsize;
4598 } while(ret == -1 && errno == EINTR);
4600 g_free(utf8_path_name);
4603 _wapi_set_last_error_from_errno ();
4604 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: statvfs failed: %s", __func__, strerror (errno));
4608 /* total number of free bytes for non-root */
4609 if (free_bytes_avail != NULL) {
4611 *free_bytes_avail = 0;
4614 *free_bytes_avail = block_size * (guint64)fsstat.f_bavail;
4618 /* total number of bytes available for non-root */
4619 if (total_number_of_bytes != NULL) {
4620 *total_number_of_bytes = block_size * (guint64)fsstat.f_blocks;
4623 /* total number of bytes available for root */
4624 if (total_number_of_free_bytes != NULL) {
4626 *total_number_of_free_bytes = 0;
4629 *total_number_of_free_bytes = block_size * (guint64)fsstat.f_bfree;
4637 mono_w32file_get_disk_free_space (const gunichar2 *path_name, guint64 *free_bytes_avail, guint64 *total_number_of_bytes, guint64 *total_number_of_free_bytes)
4639 if (free_bytes_avail != NULL) {
4640 *free_bytes_avail = (guint64) -1;
4643 if (total_number_of_bytes != NULL) {
4644 *total_number_of_bytes = (guint64) -1;
4647 if (total_number_of_free_bytes != NULL) {
4648 *total_number_of_free_bytes = (guint64) -1;
4656 * General Unix support
4661 const long fstypeid;
4663 const gchar* fstype;
4666 static _wapi_drive_type _wapi_drive_types[] = {
4668 { DRIVE_REMOTE, "afp" },
4669 { DRIVE_REMOTE, "autofs" },
4670 { DRIVE_CDROM, "cddafs" },
4671 { DRIVE_CDROM, "cd9660" },
4672 { DRIVE_RAMDISK, "devfs" },
4673 { DRIVE_FIXED, "exfat" },
4674 { DRIVE_RAMDISK, "fdesc" },
4675 { DRIVE_REMOTE, "ftp" },
4676 { DRIVE_FIXED, "hfs" },
4677 { DRIVE_FIXED, "msdos" },
4678 { DRIVE_REMOTE, "nfs" },
4679 { DRIVE_FIXED, "ntfs" },
4680 { DRIVE_REMOTE, "smbfs" },
4681 { DRIVE_FIXED, "udf" },
4682 { DRIVE_REMOTE, "webdav" },
4683 { DRIVE_UNKNOWN, NULL }
4685 { DRIVE_FIXED, ADFS_SUPER_MAGIC, "adfs"},
4686 { DRIVE_FIXED, AFFS_SUPER_MAGIC, "affs"},
4687 { DRIVE_REMOTE, AFS_SUPER_MAGIC, "afs"},
4688 { DRIVE_RAMDISK, AUTOFS_SUPER_MAGIC, "autofs"},
4689 { DRIVE_RAMDISK, AUTOFS_SBI_MAGIC, "autofs4"},
4690 { DRIVE_REMOTE, CODA_SUPER_MAGIC, "coda" },
4691 { DRIVE_RAMDISK, CRAMFS_MAGIC, "cramfs"},
4692 { DRIVE_RAMDISK, CRAMFS_MAGIC_WEND, "cramfs"},
4693 { DRIVE_REMOTE, CIFS_MAGIC_NUMBER, "cifs"},
4694 { DRIVE_RAMDISK, DEBUGFS_MAGIC, "debugfs"},
4695 { DRIVE_RAMDISK, SYSFS_MAGIC, "sysfs"},
4696 { DRIVE_RAMDISK, SECURITYFS_MAGIC, "securityfs"},
4697 { DRIVE_RAMDISK, SELINUX_MAGIC, "selinuxfs"},
4698 { DRIVE_RAMDISK, RAMFS_MAGIC, "ramfs"},
4699 { DRIVE_FIXED, SQUASHFS_MAGIC, "squashfs"},
4700 { DRIVE_FIXED, EFS_SUPER_MAGIC, "efs"},
4701 { DRIVE_FIXED, EXT2_SUPER_MAGIC, "ext"},
4702 { DRIVE_FIXED, EXT3_SUPER_MAGIC, "ext"},
4703 { DRIVE_FIXED, EXT4_SUPER_MAGIC, "ext"},
4704 { DRIVE_REMOTE, XENFS_SUPER_MAGIC, "xenfs"},
4705 { DRIVE_FIXED, BTRFS_SUPER_MAGIC, "btrfs"},
4706 { DRIVE_FIXED, HFS_SUPER_MAGIC, "hfs"},
4707 { DRIVE_FIXED, HFSPLUS_SUPER_MAGIC, "hfsplus"},
4708 { DRIVE_FIXED, HPFS_SUPER_MAGIC, "hpfs"},
4709 { DRIVE_RAMDISK, HUGETLBFS_MAGIC, "hugetlbfs"},
4710 { DRIVE_CDROM, ISOFS_SUPER_MAGIC, "iso"},
4711 { DRIVE_FIXED, JFFS2_SUPER_MAGIC, "jffs2"},
4712 { DRIVE_RAMDISK, ANON_INODE_FS_MAGIC, "anon_inode"},
4713 { DRIVE_FIXED, JFS_SUPER_MAGIC, "jfs"},
4714 { DRIVE_FIXED, MINIX_SUPER_MAGIC, "minix"},
4715 { DRIVE_FIXED, MINIX_SUPER_MAGIC2, "minix v2"},
4716 { DRIVE_FIXED, MINIX2_SUPER_MAGIC, "minix2"},
4717 { DRIVE_FIXED, MINIX2_SUPER_MAGIC2, "minix2 v2"},
4718 { DRIVE_FIXED, MINIX3_SUPER_MAGIC, "minix3"},
4719 { DRIVE_FIXED, MSDOS_SUPER_MAGIC, "msdos"},
4720 { DRIVE_REMOTE, NCP_SUPER_MAGIC, "ncp"},
4721 { DRIVE_REMOTE, NFS_SUPER_MAGIC, "nfs"},
4722 { DRIVE_FIXED, NTFS_SB_MAGIC, "ntfs"},
4723 { DRIVE_RAMDISK, OPENPROM_SUPER_MAGIC, "openpromfs"},
4724 { DRIVE_RAMDISK, PROC_SUPER_MAGIC, "proc"},
4725 { DRIVE_FIXED, QNX4_SUPER_MAGIC, "qnx4"},
4726 { DRIVE_FIXED, REISERFS_SUPER_MAGIC, "reiserfs"},
4727 { DRIVE_RAMDISK, ROMFS_MAGIC, "romfs"},
4728 { DRIVE_REMOTE, SMB_SUPER_MAGIC, "samba"},
4729 { DRIVE_RAMDISK, CGROUP_SUPER_MAGIC, "cgroupfs"},
4730 { DRIVE_RAMDISK, FUTEXFS_SUPER_MAGIC, "futexfs"},
4731 { DRIVE_FIXED, SYSV2_SUPER_MAGIC, "sysv2"},
4732 { DRIVE_FIXED, SYSV4_SUPER_MAGIC, "sysv4"},
4733 { DRIVE_RAMDISK, TMPFS_MAGIC, "tmpfs"},
4734 { DRIVE_RAMDISK, DEVPTS_SUPER_MAGIC, "devpts"},
4735 { DRIVE_CDROM, UDF_SUPER_MAGIC, "udf"},
4736 { DRIVE_FIXED, UFS_MAGIC, "ufs"},
4737 { DRIVE_FIXED, UFS_MAGIC_BW, "ufs"},
4738 { DRIVE_FIXED, UFS2_MAGIC, "ufs2"},
4739 { DRIVE_FIXED, UFS_CIGAM, "ufs"},
4740 { DRIVE_RAMDISK, USBDEVICE_SUPER_MAGIC, "usbdev"},
4741 { DRIVE_FIXED, XENIX_SUPER_MAGIC, "xenix"},
4742 { DRIVE_FIXED, XFS_SB_MAGIC, "xfs"},
4743 { DRIVE_RAMDISK, FUSE_SUPER_MAGIC, "fuse"},
4744 { DRIVE_FIXED, V9FS_MAGIC, "9p"},
4745 { DRIVE_REMOTE, CEPH_SUPER_MAGIC, "ceph"},
4746 { DRIVE_RAMDISK, CONFIGFS_MAGIC, "configfs"},
4747 { DRIVE_RAMDISK, ECRYPTFS_SUPER_MAGIC, "eCryptfs"},
4748 { DRIVE_FIXED, EXOFS_SUPER_MAGIC, "exofs"},
4749 { DRIVE_FIXED, VXFS_SUPER_MAGIC, "vxfs"},
4750 { DRIVE_FIXED, VXFS_OLT_MAGIC, "vxfs_olt"},
4751 { DRIVE_REMOTE, GFS2_MAGIC, "gfs2"},
4752 { DRIVE_FIXED, LOGFS_MAGIC_U32, "logfs"},
4753 { DRIVE_FIXED, OCFS2_SUPER_MAGIC, "ocfs2"},
4754 { DRIVE_FIXED, OMFS_MAGIC, "omfs"},
4755 { DRIVE_FIXED, UBIFS_SUPER_MAGIC, "ubifs"},
4756 { DRIVE_UNKNOWN, 0, NULL}
4758 { DRIVE_RAMDISK, "ramfs" },
4759 { DRIVE_RAMDISK, "tmpfs" },
4760 { DRIVE_RAMDISK, "proc" },
4761 { DRIVE_RAMDISK, "sysfs" },
4762 { DRIVE_RAMDISK, "debugfs" },
4763 { DRIVE_RAMDISK, "devpts" },
4764 { DRIVE_RAMDISK, "securityfs" },
4765 { DRIVE_CDROM, "iso9660" },
4766 { DRIVE_FIXED, "ext2" },
4767 { DRIVE_FIXED, "ext3" },
4768 { DRIVE_FIXED, "ext4" },
4769 { DRIVE_FIXED, "sysv" },
4770 { DRIVE_FIXED, "reiserfs" },
4771 { DRIVE_FIXED, "ufs" },
4772 { DRIVE_FIXED, "vfat" },
4773 { DRIVE_FIXED, "msdos" },
4774 { DRIVE_FIXED, "udf" },
4775 { DRIVE_FIXED, "hfs" },
4776 { DRIVE_FIXED, "hpfs" },
4777 { DRIVE_FIXED, "qnx4" },
4778 { DRIVE_FIXED, "ntfs" },
4779 { DRIVE_FIXED, "ntfs-3g" },
4780 { DRIVE_REMOTE, "smbfs" },
4781 { DRIVE_REMOTE, "fuse" },
4782 { DRIVE_REMOTE, "nfs" },
4783 { DRIVE_REMOTE, "nfs4" },
4784 { DRIVE_REMOTE, "cifs" },
4785 { DRIVE_REMOTE, "ncpfs" },
4786 { DRIVE_REMOTE, "coda" },
4787 { DRIVE_REMOTE, "afs" },
4788 { DRIVE_UNKNOWN, NULL }
4793 static guint32 _wapi_get_drive_type(long f_type)
4795 _wapi_drive_type *current;
4797 current = &_wapi_drive_types[0];
4798 while (current->drive_type != DRIVE_UNKNOWN) {
4799 if (current->fstypeid == f_type)
4800 return current->drive_type;
4804 return DRIVE_UNKNOWN;
4807 static guint32 _wapi_get_drive_type(const gchar* fstype)
4809 _wapi_drive_type *current;
4811 current = &_wapi_drive_types[0];
4812 while (current->drive_type != DRIVE_UNKNOWN) {
4813 if (strcmp (current->fstype, fstype) == 0)
4819 return current->drive_type;
4823 #if defined (PLATFORM_MACOSX) || defined (__linux__)
4825 GetDriveTypeFromPath (const gchar *utf8_root_path_name)
4831 res = statfs (utf8_root_path_name, &buf);
4834 return DRIVE_UNKNOWN;
4836 return _wapi_get_drive_type (buf.f_fstypename);
4838 return _wapi_get_drive_type (buf.f_type);
4843 GetDriveTypeFromPath (const gchar *utf8_root_path_name)
4851 fp = fopen ("/etc/mtab", "rt");
4855 fp = fopen ("/etc/mnttab", "rt");
4858 return(DRIVE_UNKNOWN);
4861 drive_type = DRIVE_NO_ROOT_DIR;
4865 fgets_res = fgets (buffer, 512, fp);
4867 if (fgets_res == NULL)
4869 splitted = g_strsplit (buffer, " ", 0);
4870 if (!*splitted || !*(splitted + 1) || !*(splitted + 2)) {
4871 g_strfreev (splitted);
4875 /* compare given root_path_name with the one from mtab,
4876 if length of utf8_root_path_name is zero it must be the root dir */
4877 if (strcmp (*(splitted + 1), utf8_root_path_name) == 0 ||
4878 (strcmp (*(splitted + 1), "/") == 0 && strlen (utf8_root_path_name) == 0)) {
4879 drive_type = _wapi_get_drive_type (*(splitted + 2));
4880 /* it is possible this path might be mounted again with
4881 a known type...keep looking */
4882 if (drive_type != DRIVE_UNKNOWN) {
4883 g_strfreev (splitted);
4888 g_strfreev (splitted);
4899 mono_w32file_get_drive_type(const gunichar2 *root_path_name)
4901 gchar *utf8_root_path_name;
4904 if (root_path_name == NULL) {
4905 utf8_root_path_name = g_strdup (g_get_current_dir());
4906 if (utf8_root_path_name == NULL) {
4907 return(DRIVE_NO_ROOT_DIR);
4911 utf8_root_path_name = mono_unicode_to_external (root_path_name);
4912 if (utf8_root_path_name == NULL) {
4913 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: unicode conversion returned NULL", __func__);
4914 return(DRIVE_NO_ROOT_DIR);
4917 /* strip trailing slash for compare below */
4918 if (g_str_has_suffix(utf8_root_path_name, "/") && utf8_root_path_name [1] != 0) {
4919 utf8_root_path_name[strlen(utf8_root_path_name) - 1] = 0;
4922 drive_type = GetDriveTypeFromPath (utf8_root_path_name);
4923 g_free (utf8_root_path_name);
4925 return (drive_type);
4928 #if defined (PLATFORM_MACOSX) || defined (__linux__) || defined(PLATFORM_BSD) || defined(__native_client__) || defined(__FreeBSD_kernel__)
4930 get_fstypename (gchar *utfpath)
4932 #if defined (PLATFORM_MACOSX) || defined (__linux__)
4935 _wapi_drive_type *current;
4939 statfs_res = statfs (utfpath, &stat);
4941 if (statfs_res == -1)
4944 return g_strdup (stat.f_fstypename);
4946 current = &_wapi_drive_types[0];
4947 while (current->drive_type != DRIVE_UNKNOWN) {
4948 if (stat.f_type == current->fstypeid)
4949 return g_strdup (current->fstype);
4959 /* Linux has struct statfs which has a different layout */
4961 mono_w32file_get_volume_information (const gunichar2 *path, gunichar2 *volumename, gint volumesize, gint *outserial, gint *maxcomp, gint *fsflags, gunichar2 *fsbuffer, gint fsbuffersize)
4965 gboolean status = FALSE;
4968 // We only support getting the file system type
4969 if (fsbuffer == NULL)
4972 utfpath = mono_unicode_to_external (path);
4973 if ((fstypename = get_fstypename (utfpath)) != NULL){
4974 gunichar2 *ret = g_utf8_to_utf16 (fstypename, -1, NULL, &len, NULL);
4975 if (ret != NULL && len < fsbuffersize){
4976 memcpy (fsbuffer, ret, len * sizeof (gunichar2));
4982 g_free (fstypename);
4990 LockFile (gpointer handle, guint32 offset_low, guint32 offset_high, guint32 length_low, guint32 length_high)
4992 MonoW32HandleFile *file_handle;
4993 off_t offset, length;
4995 if (!mono_w32handle_lookup (handle, MONO_W32HANDLE_FILE, (gpointer *)&file_handle)) {
4996 g_warning ("%s: error looking up file handle %p", __func__, handle);
4997 mono_w32error_set_last (ERROR_INVALID_HANDLE);
5001 if (!(file_handle->fileaccess & GENERIC_READ) && !(file_handle->fileaccess & GENERIC_WRITE) && !(file_handle->fileaccess & GENERIC_ALL)) {
5002 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: handle %p doesn't have GENERIC_READ or GENERIC_WRITE access: %u", __func__, handle, file_handle->fileaccess);
5003 mono_w32error_set_last (ERROR_ACCESS_DENIED);
5007 #ifdef HAVE_LARGE_FILE_SUPPORT
5008 offset = ((gint64)offset_high << 32) | offset_low;
5009 length = ((gint64)length_high << 32) | length_low;
5011 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Locking handle %p, offset %lld, length %lld", __func__, handle, offset, length);
5013 if (offset_high > 0 || length_high > 0) {
5014 mono_w32error_set_last (ERROR_INVALID_PARAMETER);
5017 offset = offset_low;
5018 length = length_low;
5020 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Locking handle %p, offset %ld, length %ld", __func__, handle, offset, length);
5023 return _wapi_lock_file_region (GPOINTER_TO_UINT(handle), offset, length);
5027 UnlockFile (gpointer handle, guint32 offset_low, guint32 offset_high, guint32 length_low, guint32 length_high)
5029 MonoW32HandleFile *file_handle;
5030 off_t offset, length;
5032 if (!mono_w32handle_lookup (handle, MONO_W32HANDLE_FILE, (gpointer *)&file_handle)) {
5033 g_warning ("%s: error looking up file handle %p", __func__, handle);
5034 mono_w32error_set_last (ERROR_INVALID_HANDLE);
5038 if (!(file_handle->fileaccess & GENERIC_READ) && !(file_handle->fileaccess & GENERIC_WRITE) && !(file_handle->fileaccess & GENERIC_ALL)) {
5039 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: handle %p doesn't have GENERIC_READ or GENERIC_WRITE access: %u", __func__, handle, file_handle->fileaccess);
5040 mono_w32error_set_last (ERROR_ACCESS_DENIED);
5044 #ifdef HAVE_LARGE_FILE_SUPPORT
5045 offset = ((gint64)offset_high << 32) | offset_low;
5046 length = ((gint64)length_high << 32) | length_low;
5048 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Unlocking handle %p, offset %lld, length %lld", __func__, handle, offset, length);
5050 offset = offset_low;
5051 length = length_low;
5053 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Unlocking handle %p, offset %ld, length %ld", __func__, handle, offset, length);
5056 return _wapi_unlock_file_region (GPOINTER_TO_UINT(handle), offset, length);
5060 mono_w32file_init (void)
5062 mono_coop_mutex_init (&stdhandle_mutex);
5063 mono_coop_mutex_init (&file_share_mutex);
5065 mono_w32handle_register_ops (MONO_W32HANDLE_FILE, &_wapi_file_ops);
5066 mono_w32handle_register_ops (MONO_W32HANDLE_CONSOLE, &_wapi_console_ops);
5067 mono_w32handle_register_ops (MONO_W32HANDLE_FIND, &_wapi_find_ops);
5068 mono_w32handle_register_ops (MONO_W32HANDLE_PIPE, &_wapi_pipe_ops);
5070 /* mono_w32handle_register_capabilities (MONO_W32HANDLE_FILE, */
5071 /* MONO_W32HANDLE_CAP_WAIT); */
5072 /* mono_w32handle_register_capabilities (MONO_W32HANDLE_CONSOLE, */
5073 /* MONO_W32HANDLE_CAP_WAIT); */
5075 if (g_getenv ("MONO_STRICT_IO_EMULATION"))
5076 lock_while_writing = TRUE;
5080 mono_w32file_cleanup (void)
5082 mono_coop_mutex_destroy (&file_share_mutex);
5084 if (file_share_table)
5085 g_hash_table_destroy (file_share_table);
5089 mono_w32file_move (gunichar2 *path, gunichar2 *dest, gint32 *error)
5093 result = MoveFile (path, dest);
5095 *error = mono_w32error_get_last ();
5100 mono_w32file_copy (gunichar2 *path, gunichar2 *dest, gboolean overwrite, gint32 *error)
5104 result = CopyFile (path, dest, !overwrite);
5106 *error = mono_w32error_get_last ();
5112 mono_w32file_replace (gunichar2 *destinationFileName, gunichar2 *sourceFileName, gunichar2 *destinationBackupFileName, guint32 flags, gint32 *error)
5116 result = ReplaceFile (destinationFileName, sourceFileName, destinationBackupFileName, flags, NULL, NULL);
5118 *error = mono_w32error_get_last ();
5123 mono_w32file_get_file_size (gpointer handle, gint32 *error)
5128 length = GetFileSize (handle, &length_hi);
5129 if(length==INVALID_FILE_SIZE) {
5130 *error=mono_w32error_get_last ();
5133 return length | ((gint64)length_hi << 32);
5137 mono_w32file_lock (gpointer handle, gint64 position, gint64 length, gint32 *error)
5141 result = LockFile (handle, position & 0xFFFFFFFF, position >> 32, length & 0xFFFFFFFF, length >> 32);
5143 *error = mono_w32error_get_last ();
5148 mono_w32file_unlock (gpointer handle, gint64 position, gint64 length, gint32 *error)
5152 result = UnlockFile (handle, position & 0xFFFFFFFF, position >> 32, length & 0xFFFFFFFF, length >> 32);
5154 *error = mono_w32error_get_last ();
5159 mono_w32file_get_console_input (void)
5161 return mono_w32file_get_std_handle (STD_INPUT_HANDLE);
5165 mono_w32file_get_console_output (void)
5167 return mono_w32file_get_std_handle (STD_OUTPUT_HANDLE);
5171 mono_w32file_get_console_error (void)
5173 return mono_w32file_get_std_handle (STD_ERROR_HANDLE);