14 #ifdef HAVE_SYS_STATVFS_H
15 #include <sys/statvfs.h>
17 #if defined(HAVE_SYS_STATFS_H)
18 #include <sys/statfs.h>
20 #if defined(HAVE_SYS_PARAM_H) && defined(HAVE_SYS_MOUNT_H)
21 #include <sys/param.h>
22 #include <sys/mount.h>
24 #include <sys/types.h>
28 #include <sys/ioctl.h>
30 #include <mono/utils/linux_magic.h>
38 #include "w32file-internals.h"
40 #include "w32file-unix-glob.h"
41 #include "w32handle.h"
43 #include "utils/mono-io-portability.h"
44 #include "utils/mono-logger-internals.h"
45 #include "utils/mono-os-mutex.h"
46 #include "utils/mono-threads.h"
47 #include "utils/mono-threads-api.h"
48 #include "utils/strenc.h"
59 /* Currently used for both FILE, CONSOLE and PIPE handle types.
60 * This may have to change in future. */
63 FileShare *share_info; /* Pointer into shared mem */
65 guint32 security_attributes;
79 * If SHM is disabled, this will point to a hash of FileShare structures, otherwise
80 * it will be NULL. We use this instead of _wapi_fileshare_layout to avoid allocating a
83 static GHashTable *file_share_table;
84 static MonoCoopMutex file_share_mutex;
87 time_t_to_filetime (time_t timeval, FILETIME *filetime)
91 ticks = ((guint64)timeval * 10000000) + 116444736000000000ULL;
92 filetime->dwLowDateTime = ticks & 0xFFFFFFFF;
93 filetime->dwHighDateTime = ticks >> 32;
97 file_share_release (FileShare *share_info)
99 /* Prevent new entries racing with us */
100 mono_coop_mutex_lock (&file_share_mutex);
102 g_assert (share_info->handle_refs > 0);
103 share_info->handle_refs -= 1;
105 if (share_info->handle_refs == 0)
106 g_hash_table_remove (file_share_table, share_info);
108 mono_coop_mutex_unlock (&file_share_mutex);
112 file_share_equal (gconstpointer ka, gconstpointer kb)
114 const FileShare *s1 = (const FileShare *)ka;
115 const FileShare *s2 = (const FileShare *)kb;
117 return (s1->device == s2->device && s1->inode == s2->inode) ? 1 : 0;
121 file_share_hash (gconstpointer data)
123 const FileShare *s = (const FileShare *)data;
129 file_share_get (guint64 device, guint64 inode, guint32 new_sharemode, guint32 new_access,
130 guint32 *old_sharemode, guint32 *old_access, FileShare **share_info)
132 FileShare *file_share;
133 gboolean exists = FALSE;
135 /* Prevent new entries racing with us */
136 mono_coop_mutex_lock (&file_share_mutex);
141 * Instead of allocating a 4MB array, we use a hash table to keep track of this
142 * info. This is needed even if SHM is disabled, to track sharing inside
143 * the current process.
145 if (!file_share_table)
146 file_share_table = g_hash_table_new_full (file_share_hash, file_share_equal, NULL, g_free);
151 file_share = (FileShare *)g_hash_table_lookup (file_share_table, &tmp);
153 *old_sharemode = file_share->sharemode;
154 *old_access = file_share->access;
155 *share_info = file_share;
157 g_assert (file_share->handle_refs > 0);
158 file_share->handle_refs += 1;
162 file_share = g_new0 (FileShare, 1);
164 file_share->device = device;
165 file_share->inode = inode;
166 file_share->sharemode = new_sharemode;
167 file_share->access = new_access;
168 file_share->handle_refs = 1;
169 *share_info = file_share;
171 g_hash_table_insert (file_share_table, file_share, file_share);
174 mono_coop_mutex_unlock (&file_share_mutex);
180 _wapi_open (const gchar *pathname, gint flags, mode_t mode)
183 gchar *located_filename;
185 if (flags & O_CREAT) {
186 located_filename = mono_portability_find_file (pathname, FALSE);
187 if (located_filename == NULL) {
189 fd = open (pathname, flags, mode);
193 fd = open (located_filename, flags, mode);
195 g_free (located_filename);
199 fd = open (pathname, flags, mode);
201 if (fd == -1 && (errno == ENOENT || errno == ENOTDIR) && IS_PORTABILITY_SET) {
202 gint saved_errno = errno;
203 located_filename = mono_portability_find_file (pathname, TRUE);
205 if (located_filename == NULL) {
211 fd = open (located_filename, flags, mode);
213 g_free (located_filename);
221 _wapi_access (const gchar *pathname, gint mode)
226 ret = access (pathname, mode);
228 if (ret == -1 && (errno == ENOENT || errno == ENOTDIR) && IS_PORTABILITY_SET) {
229 gint saved_errno = errno;
230 gchar *located_filename = mono_portability_find_file (pathname, TRUE);
232 if (located_filename == NULL) {
238 ret = access (located_filename, mode);
240 g_free (located_filename);
247 _wapi_chmod (const gchar *pathname, mode_t mode)
252 ret = chmod (pathname, mode);
254 if (ret == -1 && (errno == ENOENT || errno == ENOTDIR) && IS_PORTABILITY_SET) {
255 gint saved_errno = errno;
256 gchar *located_filename = mono_portability_find_file (pathname, TRUE);
258 if (located_filename == NULL) {
264 ret = chmod (located_filename, mode);
266 g_free (located_filename);
273 _wapi_utime (const gchar *filename, const struct utimbuf *buf)
278 ret = utime (filename, buf);
280 if (ret == -1 && errno == ENOENT && IS_PORTABILITY_SET) {
281 gint saved_errno = errno;
282 gchar *located_filename = mono_portability_find_file (filename, TRUE);
284 if (located_filename == NULL) {
290 ret = utime (located_filename, buf);
292 g_free (located_filename);
299 _wapi_unlink (const gchar *pathname)
304 ret = unlink (pathname);
306 if (ret == -1 && (errno == ENOENT || errno == ENOTDIR || errno == EISDIR) && IS_PORTABILITY_SET) {
307 gint saved_errno = errno;
308 gchar *located_filename = mono_portability_find_file (pathname, TRUE);
310 if (located_filename == NULL) {
316 ret = unlink (located_filename);
318 g_free (located_filename);
325 _wapi_rename (const gchar *oldpath, const gchar *newpath)
328 gchar *located_newpath = mono_portability_find_file (newpath, FALSE);
330 if (located_newpath == NULL) {
332 ret = rename (oldpath, newpath);
336 ret = rename (oldpath, located_newpath);
339 if (ret == -1 && (errno == EISDIR || errno == ENAMETOOLONG || errno == ENOENT || errno == ENOTDIR || errno == EXDEV) && IS_PORTABILITY_SET) {
340 gint saved_errno = errno;
341 gchar *located_oldpath = mono_portability_find_file (oldpath, TRUE);
343 if (located_oldpath == NULL) {
344 g_free (located_oldpath);
345 g_free (located_newpath);
352 ret = rename (located_oldpath, located_newpath);
354 g_free (located_oldpath);
356 g_free (located_newpath);
363 _wapi_stat (const gchar *path, struct stat *buf)
368 ret = stat (path, buf);
370 if (ret == -1 && (errno == ENOENT || errno == ENOTDIR) && IS_PORTABILITY_SET) {
371 gint saved_errno = errno;
372 gchar *located_filename = mono_portability_find_file (path, TRUE);
374 if (located_filename == NULL) {
380 ret = stat (located_filename, buf);
382 g_free (located_filename);
389 _wapi_lstat (const gchar *path, struct stat *buf)
394 ret = lstat (path, buf);
396 if (ret == -1 && (errno == ENOENT || errno == ENOTDIR) && IS_PORTABILITY_SET) {
397 gint saved_errno = errno;
398 gchar *located_filename = mono_portability_find_file (path, TRUE);
400 if (located_filename == NULL) {
405 ret = lstat (located_filename, buf);
406 g_free (located_filename);
413 _wapi_mkdir (const gchar *pathname, mode_t mode)
416 gchar *located_filename = mono_portability_find_file (pathname, FALSE);
418 if (located_filename == NULL) {
420 ret = mkdir (pathname, mode);
424 ret = mkdir (located_filename, mode);
426 g_free (located_filename);
433 _wapi_rmdir (const gchar *pathname)
438 ret = rmdir (pathname);
440 if (ret == -1 && (errno == ENOENT || errno == ENOTDIR || errno == ENAMETOOLONG) && IS_PORTABILITY_SET) {
441 gint saved_errno = errno;
442 gchar *located_filename = mono_portability_find_file (pathname, TRUE);
444 if (located_filename == NULL) {
450 ret = rmdir (located_filename);
452 g_free (located_filename);
459 _wapi_chdir (const gchar *path)
466 if (ret == -1 && (errno == ENOENT || errno == ENOTDIR || errno == ENAMETOOLONG) && IS_PORTABILITY_SET) {
467 gint saved_errno = errno;
468 gchar *located_filename = mono_portability_find_file (path, TRUE);
470 if (located_filename == NULL) {
476 ret = chdir (located_filename);
478 g_free (located_filename);
485 _wapi_basename (const gchar *filename)
487 gchar *new_filename = g_strdup (filename), *ret;
489 if (IS_PORTABILITY_SET) {
490 g_strdelimit (new_filename, "\\", '/');
493 if (IS_PORTABILITY_DRIVE && g_ascii_isalpha (new_filename[0]) && (new_filename[1] == ':')) {
494 gint len = strlen (new_filename);
496 g_memmove (new_filename, new_filename + 2, len - 2);
497 new_filename[len - 2] = '\0';
500 ret = g_path_get_basename (new_filename);
501 g_free (new_filename);
507 _wapi_dirname (const gchar *filename)
509 gchar *new_filename = g_strdup (filename), *ret;
511 if (IS_PORTABILITY_SET) {
512 g_strdelimit (new_filename, "\\", '/');
515 if (IS_PORTABILITY_DRIVE && g_ascii_isalpha (new_filename[0]) && (new_filename[1] == ':')) {
516 gint len = strlen (new_filename);
518 g_memmove (new_filename, new_filename + 2, len - 2);
519 new_filename[len - 2] = '\0';
522 ret = g_path_get_dirname (new_filename);
523 g_free (new_filename);
529 _wapi_g_dir_open (const gchar *path, guint flags, GError **error)
534 ret = g_dir_open (path, flags, error);
536 if (ret == NULL && ((*error)->code == G_FILE_ERROR_NOENT || (*error)->code == G_FILE_ERROR_NOTDIR || (*error)->code == G_FILE_ERROR_NAMETOOLONG) && IS_PORTABILITY_SET) {
537 gchar *located_filename = mono_portability_find_file (path, TRUE);
538 GError *tmp_error = NULL;
540 if (located_filename == NULL) {
545 ret = g_dir_open (located_filename, flags, &tmp_error);
547 g_free (located_filename);
548 if (tmp_error == NULL) {
549 g_clear_error (error);
557 get_errno_from_g_file_error (gint error)
561 case G_FILE_ERROR_ACCES: return EACCES;
564 case G_FILE_ERROR_NAMETOOLONG: return ENAMETOOLONG;
567 case G_FILE_ERROR_NOENT: return ENOENT;
570 case G_FILE_ERROR_NOTDIR: return ENOTDIR;
573 case G_FILE_ERROR_NXIO: return ENXIO;
576 case G_FILE_ERROR_NODEV: return ENODEV;
579 case G_FILE_ERROR_ROFS: return EROFS;
582 case G_FILE_ERROR_TXTBSY: return ETXTBSY;
585 case G_FILE_ERROR_FAULT: return EFAULT;
588 case G_FILE_ERROR_LOOP: return ELOOP;
591 case G_FILE_ERROR_NOSPC: return ENOSPC;
594 case G_FILE_ERROR_NOMEM: return ENOMEM;
597 case G_FILE_ERROR_MFILE: return EMFILE;
600 case G_FILE_ERROR_NFILE: return ENFILE;
603 case G_FILE_ERROR_BADF: return EBADF;
606 case G_FILE_ERROR_INVAL: return EINVAL;
609 case G_FILE_ERROR_PIPE: return EPIPE;
612 case G_FILE_ERROR_AGAIN: return EAGAIN;
615 case G_FILE_ERROR_INTR: return EINTR;
618 case G_FILE_ERROR_IO: return EIO;
621 case G_FILE_ERROR_PERM: return EPERM;
623 case G_FILE_ERROR_FAILED: return ERROR_INVALID_PARAMETER;
625 g_assert_not_reached ();
630 file_compare (gconstpointer a, gconstpointer b)
632 gchar *astr = *(gchar **) a;
633 gchar *bstr = *(gchar **) b;
635 return strcmp (astr, bstr);
638 /* scandir using glib */
640 _wapi_io_scandir (const gchar *dirname, const gchar *pattern, gchar ***namelist)
642 GError *error = NULL;
646 mono_w32file_unix_glob_t glob_buf;
649 dir = _wapi_g_dir_open (dirname, 0, &error);
651 /* g_dir_open returns ENOENT on directories on which we don't
652 * have read/x permission */
653 gint errnum = get_errno_from_g_file_error (error->code);
654 g_error_free (error);
655 if (errnum == ENOENT &&
656 !_wapi_access (dirname, F_OK) &&
657 _wapi_access (dirname, R_OK|X_OK)) {
665 if (IS_PORTABILITY_CASE) {
666 flags = W32FILE_UNIX_GLOB_IGNORECASE;
669 result = mono_w32file_unix_glob (dir, pattern, flags, &glob_buf);
670 if (g_str_has_suffix (pattern, ".*")) {
671 /* Special-case the patterns ending in '.*', as
672 * windows also matches entries with no extension with
675 * TODO: should this be a MONO_IOMAP option?
677 gchar *pattern2 = g_strndup (pattern, strlen (pattern) - 2);
683 result2 = mono_w32file_unix_glob (dir, pattern2, flags | W32FILE_UNIX_GLOB_APPEND | W32FILE_UNIX_GLOB_UNIQUE, &glob_buf);
695 if (glob_buf.gl_pathc == 0) {
697 } else if (result != 0) {
701 names = g_ptr_array_new ();
702 for (i = 0; i < glob_buf.gl_pathc; i++) {
703 g_ptr_array_add (names, g_strdup (glob_buf.gl_pathv[i]));
706 mono_w32file_unix_globfree (&glob_buf);
710 g_ptr_array_sort (names, file_compare);
711 g_ptr_array_set_size (names, result + 1);
713 *namelist = (gchar **) g_ptr_array_free (names, FALSE);
715 g_ptr_array_free (names, TRUE);
722 _wapi_lock_file_region (gint fd, off_t offset, off_t length)
724 struct flock lock_data;
727 if (offset < 0 || length < 0) {
728 mono_w32error_set_last (ERROR_INVALID_PARAMETER);
732 lock_data.l_type = F_WRLCK;
733 lock_data.l_whence = SEEK_SET;
734 lock_data.l_start = offset;
735 lock_data.l_len = length;
738 ret = fcntl (fd, F_SETLK, &lock_data);
739 } while(ret == -1 && errno == EINTR);
741 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: fcntl returns %d", __func__, ret);
745 * if locks are not available (NFS for example),
750 || errno == EOPNOTSUPP
759 mono_w32error_set_last (ERROR_LOCK_VIOLATION);
767 _wapi_unlock_file_region (gint fd, off_t offset, off_t length)
769 struct flock lock_data;
772 lock_data.l_type = F_UNLCK;
773 lock_data.l_whence = SEEK_SET;
774 lock_data.l_start = offset;
775 lock_data.l_len = length;
778 ret = fcntl (fd, F_SETLK, &lock_data);
779 } while(ret == -1 && errno == EINTR);
781 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: fcntl returns %d", __func__, ret);
785 * if locks are not available (NFS for example),
790 || errno == EOPNOTSUPP
799 mono_w32error_set_last (ERROR_LOCK_VIOLATION);
806 static void file_close (gpointer handle, gpointer data);
807 static void file_details (gpointer data);
808 static const gchar* file_typename (void);
809 static gsize file_typesize (void);
810 static gint file_getfiletype(void);
811 static gboolean file_read(gpointer handle, gpointer buffer, guint32 numbytes, guint32 *bytesread);
812 static gboolean file_write(gpointer handle, gconstpointer buffer, guint32 numbytes, guint32 *byteswritten);
813 static gboolean file_flush(gpointer handle);
814 static guint32 file_seek(gpointer handle, gint32 movedistance,
815 gint32 *highmovedistance, gint method);
816 static gboolean file_setendoffile(gpointer handle);
817 static guint32 file_getfilesize(gpointer handle, guint32 *highsize);
818 static gboolean file_getfiletime(gpointer handle, FILETIME *create_time,
819 FILETIME *access_time,
820 FILETIME *write_time);
821 static gboolean file_setfiletime(gpointer handle,
822 const FILETIME *create_time,
823 const FILETIME *access_time,
824 const FILETIME *write_time);
825 static guint32 GetDriveTypeFromPath (const gchar *utf8_root_path_name);
827 /* File handle is only signalled for overlapped IO */
828 static MonoW32HandleOps _wapi_file_ops = {
829 file_close, /* close */
833 NULL, /* special_wait */
835 file_details, /* details */
836 file_typename, /* typename */
837 file_typesize, /* typesize */
840 static void console_close (gpointer handle, gpointer data);
841 static void console_details (gpointer data);
842 static const gchar* console_typename (void);
843 static gsize console_typesize (void);
844 static gint console_getfiletype(void);
845 static gboolean console_read(gpointer handle, gpointer buffer, guint32 numbytes, guint32 *bytesread);
846 static gboolean console_write(gpointer handle, gconstpointer buffer, guint32 numbytes, guint32 *byteswritten);
848 /* Console is mostly the same as file, except it can block waiting for
851 static MonoW32HandleOps _wapi_console_ops = {
852 console_close, /* close */
856 NULL, /* special_wait */
858 console_details, /* details */
859 console_typename, /* typename */
860 console_typesize, /* typesize */
863 static const gchar* find_typename (void);
864 static gsize find_typesize (void);
866 static MonoW32HandleOps _wapi_find_ops = {
871 NULL, /* special_wait */
874 find_typename, /* typename */
875 find_typesize, /* typesize */
878 static void pipe_close (gpointer handle, gpointer data);
879 static void pipe_details (gpointer data);
880 static const gchar* pipe_typename (void);
881 static gsize pipe_typesize (void);
882 static gint pipe_getfiletype (void);
883 static gboolean pipe_read (gpointer handle, gpointer buffer, guint32 numbytes, guint32 *bytesread);
884 static gboolean pipe_write (gpointer handle, gconstpointer buffer, guint32 numbytes, guint32 *byteswritten);
888 static MonoW32HandleOps _wapi_pipe_ops = {
889 pipe_close, /* close */
893 NULL, /* special_wait */
895 pipe_details, /* details */
896 pipe_typename, /* typename */
897 pipe_typesize, /* typesize */
900 static const struct {
901 /* File, console and pipe handles */
902 gint (*getfiletype)(void);
904 /* File, console and pipe handles */
905 gboolean (*readfile)(gpointer handle, gpointer buffer, guint32 numbytes, guint32 *bytesread);
906 gboolean (*writefile)(gpointer handle, gconstpointer buffer, guint32 numbytes, guint32 *byteswritten);
907 gboolean (*flushfile)(gpointer handle);
910 guint32 (*seek)(gpointer handle, gint32 movedistance,
911 gint32 *highmovedistance, gint method);
912 gboolean (*setendoffile)(gpointer handle);
913 guint32 (*getfilesize)(gpointer handle, guint32 *highsize);
914 gboolean (*getfiletime)(gpointer handle, FILETIME *create_time,
915 FILETIME *access_time,
916 FILETIME *write_time);
917 gboolean (*setfiletime)(gpointer handle,
918 const FILETIME *create_time,
919 const FILETIME *access_time,
920 const FILETIME *write_time);
921 } io_ops[MONO_W32HANDLE_COUNT]={
922 {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
925 file_read, file_write,
926 file_flush, file_seek,
932 {console_getfiletype,
935 NULL, NULL, NULL, NULL, NULL, NULL},
937 {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
939 {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
941 {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
943 {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
944 /* socket (will need at least read and write) */
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},
954 NULL, NULL, NULL, NULL, NULL, NULL},
957 static gboolean lock_while_writing = FALSE;
959 /* Some utility functions.
963 * Check if a file is writable by the current user.
965 * This is is a best effort kind of thing. It assumes a reasonable sane set
966 * of permissions by the underlying OS.
968 * We generally assume that basic unix permission bits are authoritative. Which might not
969 * be the case under systems with extended permissions systems (posix ACLs, SELinux, OSX/iOS sandboxing, etc)
971 * The choice of access as the fallback is due to the expected lower overhead compared to trying to open the file.
973 * The only expected problem with using access are for root, setuid or setgid programs as access is not consistent
974 * under those situations. It's to be expected that this should not happen in practice as those bits are very dangerous
975 * and should not be used with a dynamic runtime.
978 is_file_writable (struct stat *st, const gchar *path)
981 // OS X Finder "locked" or `ls -lO` "uchg".
982 // This only covers one of several cases where an OS X file could be unwritable through special flags.
983 if (st->st_flags & (UF_IMMUTABLE|SF_IMMUTABLE))
987 /* Is it globally writable? */
988 if (st->st_mode & S_IWOTH)
991 /* Am I the owner? */
992 if ((st->st_uid == geteuid ()) && (st->st_mode & S_IWUSR))
995 /* Am I in the same group? */
996 if ((st->st_gid == getegid ()) && (st->st_mode & S_IWGRP))
999 /* Fallback to using access(2). It's not ideal as it might not take into consideration euid/egid
1000 * but it's the only sane option we have on unix.
1002 return access (path, W_OK) == 0;
1006 static guint32 _wapi_stat_to_file_attributes (const gchar *pathname,
1013 /* FIXME: this could definitely be better, but there seems to
1014 * be no pattern to the attributes that are set
1017 /* Sockets (0140000) != Directory (040000) + Regular file (0100000) */
1018 if (S_ISSOCK (buf->st_mode))
1019 buf->st_mode &= ~S_IFSOCK; /* don't consider socket protection */
1021 filename = _wapi_basename (pathname);
1023 if (S_ISDIR (buf->st_mode)) {
1024 attrs = FILE_ATTRIBUTE_DIRECTORY;
1025 if (!is_file_writable (buf, pathname)) {
1026 attrs |= FILE_ATTRIBUTE_READONLY;
1028 if (filename[0] == '.') {
1029 attrs |= FILE_ATTRIBUTE_HIDDEN;
1032 if (!is_file_writable (buf, pathname)) {
1033 attrs = FILE_ATTRIBUTE_READONLY;
1035 if (filename[0] == '.') {
1036 attrs |= FILE_ATTRIBUTE_HIDDEN;
1038 } else if (filename[0] == '.') {
1039 attrs = FILE_ATTRIBUTE_HIDDEN;
1041 attrs = FILE_ATTRIBUTE_NORMAL;
1046 if (S_ISLNK (lbuf->st_mode)) {
1047 attrs |= FILE_ATTRIBUTE_REPARSE_POINT;
1057 _wapi_set_last_error_from_errno (void)
1059 mono_w32error_set_last (mono_w32error_unix_to_win32 (errno));
1062 static void _wapi_set_last_path_error_from_errno (const gchar *dir,
1065 if (errno == ENOENT) {
1066 /* Check the path - if it's a missing directory then
1067 * we need to set PATH_NOT_FOUND not FILE_NOT_FOUND
1073 dirname = _wapi_dirname (path);
1075 dirname = g_strdup (dir);
1078 if (_wapi_access (dirname, F_OK) == 0) {
1079 mono_w32error_set_last (ERROR_FILE_NOT_FOUND);
1081 mono_w32error_set_last (ERROR_PATH_NOT_FOUND);
1086 _wapi_set_last_error_from_errno ();
1092 static void file_close (gpointer handle, gpointer data)
1094 /* FIXME: after mono_w32handle_close is coop-aware, change this to MONO_REQ_GC_UNSAFE_MODE and leave just the switch to SAFE around close() below */
1095 MONO_ENTER_GC_UNSAFE;
1096 MonoW32HandleFile *file_handle = (MonoW32HandleFile *)data;
1097 gint fd = file_handle->fd;
1099 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: closing file handle %p [%s]", __func__, handle,
1100 file_handle->filename);
1102 if (file_handle->attrs & FILE_FLAG_DELETE_ON_CLOSE)
1103 _wapi_unlink (file_handle->filename);
1105 g_free (file_handle->filename);
1107 if (file_handle->share_info)
1108 file_share_release (file_handle->share_info);
1113 MONO_EXIT_GC_UNSAFE;
1116 static void file_details (gpointer data)
1118 MonoW32HandleFile *file = (MonoW32HandleFile *)data;
1120 g_print ("[%20s] acc: %c%c%c, shr: %c%c%c, attrs: %5u",
1122 file->fileaccess&GENERIC_READ?'R':'.',
1123 file->fileaccess&GENERIC_WRITE?'W':'.',
1124 file->fileaccess&GENERIC_EXECUTE?'X':'.',
1125 file->sharemode&FILE_SHARE_READ?'R':'.',
1126 file->sharemode&FILE_SHARE_WRITE?'W':'.',
1127 file->sharemode&FILE_SHARE_DELETE?'D':'.',
1131 static const gchar* file_typename (void)
1136 static gsize file_typesize (void)
1138 return sizeof (MonoW32HandleFile);
1141 static gint file_getfiletype(void)
1143 return(FILE_TYPE_DISK);
1147 file_read(gpointer handle, gpointer buffer, guint32 numbytes, guint32 *bytesread)
1149 MonoW32HandleFile *file_handle;
1152 MonoThreadInfo *info = mono_thread_info_current ();
1154 ok=mono_w32handle_lookup (handle, MONO_W32HANDLE_FILE,
1155 (gpointer *)&file_handle);
1157 g_warning ("%s: error looking up file handle %p", __func__,
1159 mono_w32error_set_last (ERROR_INVALID_HANDLE);
1163 fd = file_handle->fd;
1164 if(bytesread!=NULL) {
1168 if(!(file_handle->fileaccess & GENERIC_READ) &&
1169 !(file_handle->fileaccess & GENERIC_ALL)) {
1170 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: handle %p doesn't have GENERIC_READ access: %u",
1171 __func__, handle, file_handle->fileaccess);
1173 mono_w32error_set_last (ERROR_ACCESS_DENIED);
1179 ret = read (fd, buffer, numbytes);
1181 } while (ret == -1 && errno == EINTR &&
1182 !mono_thread_info_is_interrupt_state (info));
1187 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: read of handle %p error: %s", __func__,
1188 handle, strerror(err));
1189 mono_w32error_set_last (mono_w32error_unix_to_win32 (err));
1193 if (bytesread != NULL) {
1201 file_write(gpointer handle, gconstpointer buffer, guint32 numbytes, guint32 *byteswritten)
1203 MonoW32HandleFile *file_handle;
1206 off_t current_pos = 0;
1207 MonoThreadInfo *info = mono_thread_info_current ();
1209 ok=mono_w32handle_lookup (handle, MONO_W32HANDLE_FILE,
1210 (gpointer *)&file_handle);
1212 g_warning ("%s: error looking up file handle %p", __func__,
1214 mono_w32error_set_last (ERROR_INVALID_HANDLE);
1218 fd = file_handle->fd;
1220 if(byteswritten!=NULL) {
1224 if(!(file_handle->fileaccess & GENERIC_WRITE) &&
1225 !(file_handle->fileaccess & GENERIC_ALL)) {
1226 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);
1228 mono_w32error_set_last (ERROR_ACCESS_DENIED);
1232 if (lock_while_writing) {
1233 /* Need to lock the region we're about to write to,
1234 * because we only do advisory locking on POSIX
1238 current_pos = lseek (fd, (off_t)0, SEEK_CUR);
1240 if (current_pos == -1) {
1241 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: handle %p lseek failed: %s", __func__,
1242 handle, strerror (errno));
1243 _wapi_set_last_error_from_errno ();
1247 if (_wapi_lock_file_region (fd, current_pos,
1248 numbytes) == FALSE) {
1249 /* The error has already been set */
1256 ret = write (fd, buffer, numbytes);
1258 } while (ret == -1 && errno == EINTR &&
1259 !mono_thread_info_is_interrupt_state (info));
1261 if (lock_while_writing) {
1262 _wapi_unlock_file_region (fd, current_pos, numbytes);
1266 if (errno == EINTR) {
1269 _wapi_set_last_error_from_errno ();
1271 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: write of handle %p error: %s",
1272 __func__, handle, strerror(errno));
1277 if (byteswritten != NULL) {
1278 *byteswritten = ret;
1283 static gboolean file_flush(gpointer handle)
1285 MonoW32HandleFile *file_handle;
1289 ok=mono_w32handle_lookup (handle, MONO_W32HANDLE_FILE,
1290 (gpointer *)&file_handle);
1292 g_warning ("%s: error looking up file handle %p", __func__,
1294 mono_w32error_set_last (ERROR_INVALID_HANDLE);
1298 fd = file_handle->fd;
1300 if(!(file_handle->fileaccess & GENERIC_WRITE) &&
1301 !(file_handle->fileaccess & GENERIC_ALL)) {
1302 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);
1304 mono_w32error_set_last (ERROR_ACCESS_DENIED);
1312 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: fsync of handle %p error: %s", __func__, handle,
1315 _wapi_set_last_error_from_errno ();
1322 static guint32 file_seek(gpointer handle, gint32 movedistance,
1323 gint32 *highmovedistance, gint method)
1325 MonoW32HandleFile *file_handle;
1327 gint64 offset, newpos;
1331 ok=mono_w32handle_lookup (handle, MONO_W32HANDLE_FILE,
1332 (gpointer *)&file_handle);
1334 g_warning ("%s: error looking up file handle %p", __func__,
1336 mono_w32error_set_last (ERROR_INVALID_HANDLE);
1337 return(INVALID_SET_FILE_POINTER);
1340 fd = file_handle->fd;
1342 if(!(file_handle->fileaccess & GENERIC_READ) &&
1343 !(file_handle->fileaccess & GENERIC_WRITE) &&
1344 !(file_handle->fileaccess & GENERIC_ALL)) {
1345 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);
1347 mono_w32error_set_last (ERROR_ACCESS_DENIED);
1348 return(INVALID_SET_FILE_POINTER);
1362 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: invalid seek type %d", __func__, method);
1364 mono_w32error_set_last (ERROR_INVALID_PARAMETER);
1365 return(INVALID_SET_FILE_POINTER);
1368 #ifdef HAVE_LARGE_FILE_SUPPORT
1369 if(highmovedistance==NULL) {
1370 offset=movedistance;
1371 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: setting offset to %" G_GINT64_FORMAT " (low %" G_GINT32_FORMAT ")", __func__,
1372 offset, movedistance);
1374 offset=((gint64) *highmovedistance << 32) | (guint32)movedistance;
1376 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: setting offset to %" G_GINT64_FORMAT " 0x%" PRIx64 " (high %" G_GINT32_FORMAT " 0x%" PRIx32 ", low %" G_GINT32_FORMAT " 0x%" PRIx32 ")",
1377 __func__, offset, offset, *highmovedistance, *highmovedistance, movedistance, movedistance);
1380 offset=movedistance;
1383 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: moving handle %p by %" G_GINT64_FORMAT " bytes from %d", __func__,
1384 handle, offset, whence);
1386 #ifdef PLATFORM_ANDROID
1387 /* bionic doesn't support -D_FILE_OFFSET_BITS=64 */
1389 newpos=lseek64(fd, offset, whence);
1393 newpos=lseek(fd, offset, whence);
1397 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: lseek on handle %p returned error %s",
1398 __func__, handle, strerror(errno));
1400 _wapi_set_last_error_from_errno ();
1401 return(INVALID_SET_FILE_POINTER);
1404 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: lseek returns %" G_GINT64_FORMAT, __func__, newpos);
1406 #ifdef HAVE_LARGE_FILE_SUPPORT
1407 ret=newpos & 0xFFFFFFFF;
1408 if(highmovedistance!=NULL) {
1409 *highmovedistance=newpos>>32;
1413 if(highmovedistance!=NULL) {
1414 /* Accurate, but potentially dodgy :-) */
1415 *highmovedistance=0;
1419 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: move of handle %p returning %" G_GUINT32_FORMAT "/%" G_GINT32_FORMAT, __func__,
1420 handle, ret, highmovedistance==NULL?0:*highmovedistance);
1425 static gboolean file_setendoffile(gpointer handle)
1427 MonoW32HandleFile *file_handle;
1429 struct stat statbuf;
1432 MonoThreadInfo *info = mono_thread_info_current ();
1434 ok=mono_w32handle_lookup (handle, MONO_W32HANDLE_FILE,
1435 (gpointer *)&file_handle);
1437 g_warning ("%s: error looking up file handle %p", __func__,
1439 mono_w32error_set_last (ERROR_INVALID_HANDLE);
1442 fd = file_handle->fd;
1444 if(!(file_handle->fileaccess & GENERIC_WRITE) &&
1445 !(file_handle->fileaccess & GENERIC_ALL)) {
1446 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);
1448 mono_w32error_set_last (ERROR_ACCESS_DENIED);
1452 /* Find the current file position, and the file length. If
1453 * the file position is greater than the length, write to
1454 * extend the file with a hole. If the file position is less
1455 * than the length, truncate the file.
1459 ret=fstat(fd, &statbuf);
1462 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: handle %p fstat failed: %s", __func__,
1463 handle, strerror(errno));
1465 _wapi_set_last_error_from_errno ();
1470 pos=lseek(fd, (off_t)0, SEEK_CUR);
1473 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: handle %p lseek failed: %s", __func__,
1474 handle, strerror(errno));
1476 _wapi_set_last_error_from_errno ();
1480 #ifdef FTRUNCATE_DOESNT_EXTEND
1481 off_t size = statbuf.st_size;
1482 /* I haven't bothered to write the configure.ac stuff for this
1483 * because I don't know if any platform needs it. I'm leaving
1484 * this code just in case though
1487 /* Extend the file. Use write() here, because some
1488 * manuals say that ftruncate() behaviour is undefined
1489 * when the file needs extending. The POSIX spec says
1490 * that on XSI-conformant systems it extends, so if
1491 * every system we care about conforms, then we can
1496 ret = write (fd, "", 1);
1498 } while (ret == -1 && errno == EINTR &&
1499 !mono_thread_info_is_interrupt_state (info));
1502 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: handle %p extend write failed: %s", __func__, handle, strerror(errno));
1504 _wapi_set_last_error_from_errno ();
1508 /* And put the file position back after the write */
1510 ret = lseek (fd, pos, SEEK_SET);
1513 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: handle %p second lseek failed: %s",
1514 __func__, handle, strerror(errno));
1516 _wapi_set_last_error_from_errno ();
1522 /* always truncate, because the extend write() adds an extra
1523 * byte to the end of the file
1527 ret=ftruncate(fd, pos);
1530 while (ret==-1 && errno==EINTR && !mono_thread_info_is_interrupt_state (info));
1532 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: handle %p ftruncate failed: %s", __func__,
1533 handle, strerror(errno));
1535 _wapi_set_last_error_from_errno ();
1542 static guint32 file_getfilesize(gpointer handle, guint32 *highsize)
1544 MonoW32HandleFile *file_handle;
1546 struct stat statbuf;
1551 ok=mono_w32handle_lookup (handle, MONO_W32HANDLE_FILE,
1552 (gpointer *)&file_handle);
1554 g_warning ("%s: error looking up file handle %p", __func__,
1556 mono_w32error_set_last (ERROR_INVALID_HANDLE);
1557 return(INVALID_FILE_SIZE);
1559 fd = file_handle->fd;
1561 if(!(file_handle->fileaccess & GENERIC_READ) &&
1562 !(file_handle->fileaccess & GENERIC_WRITE) &&
1563 !(file_handle->fileaccess & GENERIC_ALL)) {
1564 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);
1566 mono_w32error_set_last (ERROR_ACCESS_DENIED);
1567 return(INVALID_FILE_SIZE);
1570 /* If the file has a size with the low bits 0xFFFFFFFF the
1571 * caller can't tell if this is an error, so clear the error
1574 mono_w32error_set_last (ERROR_SUCCESS);
1577 ret = fstat(fd, &statbuf);
1580 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: handle %p fstat failed: %s", __func__,
1581 handle, strerror(errno));
1583 _wapi_set_last_error_from_errno ();
1584 return(INVALID_FILE_SIZE);
1587 /* fstat indicates block devices as zero-length, so go a different path */
1589 if (S_ISBLK(statbuf.st_mode)) {
1593 res = ioctl (fd, BLKGETSIZE64, &bigsize);
1596 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: handle %p ioctl BLKGETSIZE64 failed: %s",
1597 __func__, handle, strerror(errno));
1599 _wapi_set_last_error_from_errno ();
1600 return(INVALID_FILE_SIZE);
1603 size = bigsize & 0xFFFFFFFF;
1604 if (highsize != NULL) {
1605 *highsize = bigsize>>32;
1608 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Returning block device size %" G_GUINT32_FORMAT "/%" G_GUINT32_FORMAT,
1609 __func__, size, *highsize);
1615 #ifdef HAVE_LARGE_FILE_SUPPORT
1616 size = statbuf.st_size & 0xFFFFFFFF;
1617 if (highsize != NULL) {
1618 *highsize = statbuf.st_size>>32;
1621 if (highsize != NULL) {
1622 /* Accurate, but potentially dodgy :-) */
1625 size = statbuf.st_size;
1628 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Returning size %" G_GUINT32_FORMAT "/%" G_GUINT32_FORMAT, __func__, size, *highsize);
1633 static gboolean file_getfiletime(gpointer handle, FILETIME *create_time,
1634 FILETIME *access_time,
1635 FILETIME *write_time)
1637 MonoW32HandleFile *file_handle;
1639 struct stat statbuf;
1640 guint64 create_ticks, access_ticks, write_ticks;
1643 ok=mono_w32handle_lookup (handle, MONO_W32HANDLE_FILE,
1644 (gpointer *)&file_handle);
1646 g_warning ("%s: error looking up file handle %p", __func__,
1648 mono_w32error_set_last (ERROR_INVALID_HANDLE);
1651 fd = file_handle->fd;
1653 if(!(file_handle->fileaccess & GENERIC_READ) &&
1654 !(file_handle->fileaccess & GENERIC_ALL)) {
1655 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: handle %p doesn't have GENERIC_READ access: %u",
1656 __func__, handle, file_handle->fileaccess);
1658 mono_w32error_set_last (ERROR_ACCESS_DENIED);
1663 ret=fstat(fd, &statbuf);
1666 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: handle %p fstat failed: %s", __func__, handle,
1669 _wapi_set_last_error_from_errno ();
1673 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: atime: %ld ctime: %ld mtime: %ld", __func__,
1674 statbuf.st_atime, statbuf.st_ctime,
1677 /* Try and guess a meaningful create time by using the older
1680 /* The magic constant comes from msdn documentation
1681 * "Converting a time_t Value to a File Time"
1683 if(statbuf.st_atime < statbuf.st_ctime) {
1684 create_ticks=((guint64)statbuf.st_atime*10000000)
1685 + 116444736000000000ULL;
1687 create_ticks=((guint64)statbuf.st_ctime*10000000)
1688 + 116444736000000000ULL;
1691 access_ticks=((guint64)statbuf.st_atime*10000000)+116444736000000000ULL;
1692 write_ticks=((guint64)statbuf.st_mtime*10000000)+116444736000000000ULL;
1694 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: aticks: %" G_GUINT64_FORMAT " cticks: %" G_GUINT64_FORMAT " wticks: %" G_GUINT64_FORMAT, __func__,
1695 access_ticks, create_ticks, write_ticks);
1697 if(create_time!=NULL) {
1698 create_time->dwLowDateTime = create_ticks & 0xFFFFFFFF;
1699 create_time->dwHighDateTime = create_ticks >> 32;
1702 if(access_time!=NULL) {
1703 access_time->dwLowDateTime = access_ticks & 0xFFFFFFFF;
1704 access_time->dwHighDateTime = access_ticks >> 32;
1707 if(write_time!=NULL) {
1708 write_time->dwLowDateTime = write_ticks & 0xFFFFFFFF;
1709 write_time->dwHighDateTime = write_ticks >> 32;
1715 static gboolean file_setfiletime(gpointer handle,
1716 const FILETIME *create_time G_GNUC_UNUSED,
1717 const FILETIME *access_time,
1718 const FILETIME *write_time)
1720 MonoW32HandleFile *file_handle;
1722 struct utimbuf utbuf;
1723 struct stat statbuf;
1724 guint64 access_ticks, write_ticks;
1727 ok=mono_w32handle_lookup (handle, MONO_W32HANDLE_FILE,
1728 (gpointer *)&file_handle);
1730 g_warning ("%s: error looking up file handle %p", __func__,
1732 mono_w32error_set_last (ERROR_INVALID_HANDLE);
1735 fd = file_handle->fd;
1737 if(!(file_handle->fileaccess & GENERIC_WRITE) &&
1738 !(file_handle->fileaccess & GENERIC_ALL)) {
1739 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);
1741 mono_w32error_set_last (ERROR_ACCESS_DENIED);
1745 if(file_handle->filename == NULL) {
1746 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: handle %p unknown filename", __func__, handle);
1748 mono_w32error_set_last (ERROR_INVALID_HANDLE);
1752 /* Get the current times, so we can put the same times back in
1753 * the event that one of the FileTime structs is NULL
1756 ret=fstat (fd, &statbuf);
1759 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: handle %p fstat failed: %s", __func__, handle,
1762 mono_w32error_set_last (ERROR_INVALID_PARAMETER);
1766 if(access_time!=NULL) {
1767 access_ticks=((guint64)access_time->dwHighDateTime << 32) +
1768 access_time->dwLowDateTime;
1769 /* This is (time_t)0. We can actually go to INT_MIN,
1770 * but this will do for now.
1772 if (access_ticks < 116444736000000000ULL) {
1773 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: attempt to set access time too early",
1775 mono_w32error_set_last (ERROR_INVALID_PARAMETER);
1779 if (sizeof (utbuf.actime) == 4 && ((access_ticks - 116444736000000000ULL) / 10000000) > INT_MAX) {
1780 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",
1782 mono_w32error_set_last (ERROR_INVALID_PARAMETER);
1786 utbuf.actime=(access_ticks - 116444736000000000ULL) / 10000000;
1788 utbuf.actime=statbuf.st_atime;
1791 if(write_time!=NULL) {
1792 write_ticks=((guint64)write_time->dwHighDateTime << 32) +
1793 write_time->dwLowDateTime;
1794 /* This is (time_t)0. We can actually go to INT_MIN,
1795 * but this will do for now.
1797 if (write_ticks < 116444736000000000ULL) {
1798 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: attempt to set write time too early",
1800 mono_w32error_set_last (ERROR_INVALID_PARAMETER);
1803 if (sizeof (utbuf.modtime) == 4 && ((write_ticks - 116444736000000000ULL) / 10000000) > INT_MAX) {
1804 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",
1806 mono_w32error_set_last (ERROR_INVALID_PARAMETER);
1810 utbuf.modtime=(write_ticks - 116444736000000000ULL) / 10000000;
1812 utbuf.modtime=statbuf.st_mtime;
1815 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: setting handle %p access %ld write %ld", __func__,
1816 handle, utbuf.actime, utbuf.modtime);
1818 ret = _wapi_utime (file_handle->filename, &utbuf);
1820 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: handle %p [%s] utime failed: %s", __func__,
1821 handle, file_handle->filename, strerror(errno));
1823 mono_w32error_set_last (ERROR_INVALID_PARAMETER);
1830 static void console_close (gpointer handle, gpointer data)
1832 /* FIXME: after mono_w32handle_close is coop-aware, change this to MONO_REQ_GC_UNSAFE_MODE and leave just the switch to SAFE around close() below */
1833 MONO_ENTER_GC_UNSAFE;
1834 MonoW32HandleFile *console_handle = (MonoW32HandleFile *)data;
1835 gint fd = console_handle->fd;
1837 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: closing console handle %p", __func__, handle);
1839 g_free (console_handle->filename);
1842 if (console_handle->share_info)
1843 file_share_release (console_handle->share_info);
1848 MONO_EXIT_GC_UNSAFE;
1851 static void console_details (gpointer data)
1853 file_details (data);
1856 static const gchar* console_typename (void)
1861 static gsize console_typesize (void)
1863 return sizeof (MonoW32HandleFile);
1866 static gint console_getfiletype(void)
1868 return(FILE_TYPE_CHAR);
1872 console_read(gpointer handle, gpointer buffer, guint32 numbytes, guint32 *bytesread)
1874 MonoW32HandleFile *console_handle;
1877 MonoThreadInfo *info = mono_thread_info_current ();
1879 ok=mono_w32handle_lookup (handle, MONO_W32HANDLE_CONSOLE,
1880 (gpointer *)&console_handle);
1882 g_warning ("%s: error looking up console handle %p", __func__,
1884 mono_w32error_set_last (ERROR_INVALID_HANDLE);
1887 fd = console_handle->fd;
1889 if(bytesread!=NULL) {
1893 if(!(console_handle->fileaccess & GENERIC_READ) &&
1894 !(console_handle->fileaccess & GENERIC_ALL)) {
1895 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: handle %p doesn't have GENERIC_READ access: %u",
1896 __func__, handle, console_handle->fileaccess);
1898 mono_w32error_set_last (ERROR_ACCESS_DENIED);
1904 ret=read(fd, buffer, numbytes);
1906 } while (ret==-1 && errno==EINTR && !mono_thread_info_is_interrupt_state (info));
1909 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: read of handle %p error: %s", __func__, handle,
1912 _wapi_set_last_error_from_errno ();
1916 if(bytesread!=NULL) {
1924 console_write(gpointer handle, gconstpointer buffer, guint32 numbytes, guint32 *byteswritten)
1926 MonoW32HandleFile *console_handle;
1929 MonoThreadInfo *info = mono_thread_info_current ();
1931 ok=mono_w32handle_lookup (handle, MONO_W32HANDLE_CONSOLE,
1932 (gpointer *)&console_handle);
1934 g_warning ("%s: error looking up console handle %p", __func__,
1936 mono_w32error_set_last (ERROR_INVALID_HANDLE);
1939 fd = console_handle->fd;
1941 if(byteswritten!=NULL) {
1945 if(!(console_handle->fileaccess & GENERIC_WRITE) &&
1946 !(console_handle->fileaccess & GENERIC_ALL)) {
1947 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);
1949 mono_w32error_set_last (ERROR_ACCESS_DENIED);
1955 ret = write(fd, buffer, numbytes);
1957 } while (ret == -1 && errno == EINTR &&
1958 !mono_thread_info_is_interrupt_state (info));
1961 if (errno == EINTR) {
1964 _wapi_set_last_error_from_errno ();
1966 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: write of handle %p error: %s",
1967 __func__, handle, strerror(errno));
1972 if(byteswritten!=NULL) {
1979 static const gchar* find_typename (void)
1984 static gsize find_typesize (void)
1986 return sizeof (MonoW32HandleFind);
1989 static void pipe_close (gpointer handle, gpointer data)
1991 /* FIXME: after mono_w32handle_close is coop-aware, change this to MONO_REQ_GC_UNSAFE_MODE and leave just the switch to SAFE around close() below */
1992 MONO_ENTER_GC_UNSAFE;
1993 MonoW32HandleFile *pipe_handle = (MonoW32HandleFile*)data;
1994 gint fd = pipe_handle->fd;
1996 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: closing pipe handle %p fd %d", __func__, handle, fd);
1998 /* No filename with pipe handles */
2000 if (pipe_handle->share_info)
2001 file_share_release (pipe_handle->share_info);
2006 MONO_EXIT_GC_UNSAFE;
2009 static void pipe_details (gpointer data)
2011 file_details (data);
2014 static const gchar* pipe_typename (void)
2019 static gsize pipe_typesize (void)
2021 return sizeof (MonoW32HandleFile);
2024 static gint pipe_getfiletype(void)
2026 return(FILE_TYPE_PIPE);
2030 pipe_read (gpointer handle, gpointer buffer, guint32 numbytes, guint32 *bytesread)
2032 MonoW32HandleFile *pipe_handle;
2035 MonoThreadInfo *info = mono_thread_info_current ();
2037 ok=mono_w32handle_lookup (handle, MONO_W32HANDLE_PIPE,
2038 (gpointer *)&pipe_handle);
2040 g_warning ("%s: error looking up pipe handle %p", __func__,
2042 mono_w32error_set_last (ERROR_INVALID_HANDLE);
2045 fd = pipe_handle->fd;
2047 if(bytesread!=NULL) {
2051 if(!(pipe_handle->fileaccess & GENERIC_READ) &&
2052 !(pipe_handle->fileaccess & GENERIC_ALL)) {
2053 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: handle %p doesn't have GENERIC_READ access: %u",
2054 __func__, handle, pipe_handle->fileaccess);
2056 mono_w32error_set_last (ERROR_ACCESS_DENIED);
2060 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: reading up to %" G_GUINT32_FORMAT " bytes from pipe %p", __func__,
2065 ret=read(fd, buffer, numbytes);
2067 } while (ret==-1 && errno==EINTR && !mono_thread_info_is_interrupt_state (info));
2070 if (errno == EINTR) {
2073 _wapi_set_last_error_from_errno ();
2075 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: read of handle %p error: %s", __func__,
2076 handle, strerror(errno));
2082 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: read %d bytes from pipe %p", __func__, ret, handle);
2084 if(bytesread!=NULL) {
2092 pipe_write(gpointer handle, gconstpointer buffer, guint32 numbytes, guint32 *byteswritten)
2094 MonoW32HandleFile *pipe_handle;
2097 MonoThreadInfo *info = mono_thread_info_current ();
2099 ok=mono_w32handle_lookup (handle, MONO_W32HANDLE_PIPE,
2100 (gpointer *)&pipe_handle);
2102 g_warning ("%s: error looking up pipe handle %p", __func__,
2104 mono_w32error_set_last (ERROR_INVALID_HANDLE);
2107 fd = pipe_handle->fd;
2109 if(byteswritten!=NULL) {
2113 if(!(pipe_handle->fileaccess & GENERIC_WRITE) &&
2114 !(pipe_handle->fileaccess & GENERIC_ALL)) {
2115 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);
2117 mono_w32error_set_last (ERROR_ACCESS_DENIED);
2121 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: writing up to %" G_GUINT32_FORMAT " bytes to pipe %p", __func__,
2126 ret = write (fd, buffer, numbytes);
2128 } while (ret == -1 && errno == EINTR &&
2129 !mono_thread_info_is_interrupt_state (info));
2132 if (errno == EINTR) {
2135 _wapi_set_last_error_from_errno ();
2137 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: write of handle %p error: %s", __func__,
2138 handle, strerror(errno));
2143 if(byteswritten!=NULL) {
2150 static gint convert_flags(guint32 fileaccess, guint32 createmode)
2154 switch(fileaccess) {
2161 case GENERIC_READ|GENERIC_WRITE:
2165 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Unknown access type 0x%" PRIx32, __func__,
2170 switch(createmode) {
2172 flags|=O_CREAT|O_EXCL;
2175 flags|=O_CREAT|O_TRUNC;
2182 case TRUNCATE_EXISTING:
2186 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Unknown create mode 0x%" PRIx32, __func__,
2195 static mode_t convert_perms(guint32 sharemode)
2199 if(sharemode&FILE_SHARE_READ) {
2202 if(sharemode&FILE_SHARE_WRITE) {
2210 static gboolean share_allows_open (struct stat *statbuf, guint32 sharemode,
2212 FileShare **share_info)
2214 gboolean file_already_shared;
2215 guint32 file_existing_share, file_existing_access;
2217 file_already_shared = file_share_get (statbuf->st_dev, statbuf->st_ino, sharemode, fileaccess, &file_existing_share, &file_existing_access, share_info);
2219 if (file_already_shared) {
2220 /* The reference to this share info was incremented
2221 * when we looked it up, so be careful to put it back
2222 * if we conclude we can't use this file.
2224 if (file_existing_share == 0) {
2225 /* Quick and easy, no possibility to share */
2226 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Share mode prevents open: requested access: 0x%" PRIx32 ", file has sharing = NONE", __func__, fileaccess);
2228 file_share_release (*share_info);
2233 if (((file_existing_share == FILE_SHARE_READ) &&
2234 (fileaccess != GENERIC_READ)) ||
2235 ((file_existing_share == FILE_SHARE_WRITE) &&
2236 (fileaccess != GENERIC_WRITE))) {
2237 /* New access mode doesn't match up */
2238 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Share mode prevents open: requested access: 0x%" PRIx32 ", file has sharing: 0x%" PRIx32, __func__, fileaccess, file_existing_share);
2240 file_share_release (*share_info);
2245 if (((file_existing_access & GENERIC_READ) &&
2246 !(sharemode & FILE_SHARE_READ)) ||
2247 ((file_existing_access & GENERIC_WRITE) &&
2248 !(sharemode & FILE_SHARE_WRITE))) {
2249 /* New share mode doesn't match up */
2250 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Access mode prevents open: requested share: 0x%" PRIx32 ", file has access: 0x%" PRIx32, __func__, sharemode, file_existing_access);
2252 file_share_release (*share_info);
2257 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: New file!", __func__);
2265 share_allows_delete (struct stat *statbuf, FileShare **share_info)
2267 gboolean file_already_shared;
2268 guint32 file_existing_share, file_existing_access;
2270 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);
2272 if (file_already_shared) {
2273 /* The reference to this share info was incremented
2274 * when we looked it up, so be careful to put it back
2275 * if we conclude we can't use this file.
2277 if (file_existing_share == 0) {
2278 /* Quick and easy, no possibility to share */
2279 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Share mode prevents open: requested access: 0x%" PRIx32 ", file has sharing = NONE", __func__, (*share_info)->access);
2281 file_share_release (*share_info);
2286 if (!(file_existing_share & FILE_SHARE_DELETE)) {
2287 /* New access mode doesn't match up */
2288 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Share mode prevents open: requested access: 0x%" PRIx32 ", file has sharing: 0x%" PRIx32, __func__, (*share_info)->access, file_existing_share);
2290 file_share_release (*share_info);
2295 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: New file!", __func__);
2302 mono_w32file_create(const gunichar2 *name, guint32 fileaccess, guint32 sharemode, guint32 createmode, guint32 attrs)
2304 MonoW32HandleFile file_handle = {0};
2306 gint flags=convert_flags(fileaccess, createmode);
2307 /*mode_t perms=convert_perms(sharemode);*/
2308 /* we don't use sharemode, because that relates to sharing of
2309 * the file when the file is open and is already handled by
2310 * other code, perms instead are the on-disk permissions and
2311 * this is a sane default.
2316 MonoW32HandleType handle_type;
2317 struct stat statbuf;
2319 if (attrs & FILE_ATTRIBUTE_TEMPORARY)
2322 if (attrs & FILE_ATTRIBUTE_ENCRYPTED){
2323 mono_w32error_set_last (ERROR_ENCRYPTION_FAILED);
2324 return INVALID_HANDLE_VALUE;
2328 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: name is NULL", __func__);
2330 mono_w32error_set_last (ERROR_INVALID_NAME);
2331 return(INVALID_HANDLE_VALUE);
2334 filename = mono_unicode_to_external (name);
2335 if (filename == NULL) {
2336 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: unicode conversion returned NULL", __func__);
2338 mono_w32error_set_last (ERROR_INVALID_NAME);
2339 return(INVALID_HANDLE_VALUE);
2342 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Opening %s with share 0x%" PRIx32 " and access 0x%" PRIx32, __func__,
2343 filename, sharemode, fileaccess);
2345 fd = _wapi_open (filename, flags, perms);
2347 /* If we were trying to open a directory with write permissions
2348 * (e.g. O_WRONLY or O_RDWR), this call will fail with
2349 * EISDIR. However, this is a bit bogus because calls to
2350 * manipulate the directory (e.g. mono_w32file_set_times) will still work on
2351 * the directory because they use other API calls
2352 * (e.g. utime()). Hence, if we failed with the EISDIR error, try
2353 * to open the directory again without write permission.
2355 if (fd == -1 && errno == EISDIR)
2357 /* Try again but don't try to make it writable */
2358 fd = _wapi_open (filename, flags & ~(O_RDWR|O_WRONLY), perms);
2362 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Error opening file %s: %s", __func__, filename,
2364 _wapi_set_last_path_error_from_errno (NULL, filename);
2367 return(INVALID_HANDLE_VALUE);
2370 if (fd >= mono_w32handle_fd_reserve) {
2371 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: File descriptor is too big", __func__);
2373 mono_w32error_set_last (ERROR_TOO_MANY_OPEN_FILES);
2380 return(INVALID_HANDLE_VALUE);
2384 ret = fstat (fd, &statbuf);
2387 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: fstat error of file %s: %s", __func__,
2388 filename, strerror (errno));
2389 _wapi_set_last_error_from_errno ();
2395 return(INVALID_HANDLE_VALUE);
2398 if (share_allows_open (&statbuf, sharemode, fileaccess,
2399 &file_handle.share_info) == FALSE) {
2400 mono_w32error_set_last (ERROR_SHARING_VIOLATION);
2406 return (INVALID_HANDLE_VALUE);
2408 if (file_handle.share_info == NULL) {
2409 /* No space, so no more files can be opened */
2410 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: No space in the share table", __func__);
2412 mono_w32error_set_last (ERROR_TOO_MANY_OPEN_FILES);
2418 return(INVALID_HANDLE_VALUE);
2421 file_handle.filename = filename;
2423 file_handle.fd = fd;
2424 file_handle.fileaccess=fileaccess;
2425 file_handle.sharemode=sharemode;
2426 file_handle.attrs=attrs;
2428 #ifdef HAVE_POSIX_FADVISE
2429 if (attrs & FILE_FLAG_SEQUENTIAL_SCAN) {
2431 posix_fadvise (fd, 0, 0, POSIX_FADV_SEQUENTIAL);
2434 if (attrs & FILE_FLAG_RANDOM_ACCESS) {
2436 posix_fadvise (fd, 0, 0, POSIX_FADV_RANDOM);
2442 if (attrs & FILE_FLAG_SEQUENTIAL_SCAN) {
2444 fcntl(fd, F_RDAHEAD, 1);
2450 #define S_ISFIFO(m) ((m & S_IFIFO) != 0)
2452 if (S_ISFIFO (statbuf.st_mode)) {
2453 handle_type = MONO_W32HANDLE_PIPE;
2454 /* maintain invariant that pipes have no filename */
2455 file_handle.filename = NULL;
2458 } else if (S_ISCHR (statbuf.st_mode)) {
2459 handle_type = MONO_W32HANDLE_CONSOLE;
2461 handle_type = MONO_W32HANDLE_FILE;
2464 MONO_ENTER_GC_SAFE; /* FIXME: mono_w32handle_new_fd should be updated with coop transitions */
2465 handle = mono_w32handle_new_fd (handle_type, fd, &file_handle);
2467 if (handle == INVALID_HANDLE_VALUE) {
2468 g_warning ("%s: error creating file handle", __func__);
2474 mono_w32error_set_last (ERROR_GEN_FAILURE);
2475 return(INVALID_HANDLE_VALUE);
2478 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: returning handle %p", __func__, handle);
2484 mono_w32file_close (gpointer handle)
2488 /* FIXME: we transition here and not in file_close, pipe_close,
2489 * console_close because w32handle_close is not coop aware yet, but it
2490 * calls back into w32file. */
2491 res = mono_w32handle_close (handle);
2496 gboolean mono_w32file_delete(const gunichar2 *name)
2500 gboolean ret = FALSE;
2502 struct stat statbuf;
2503 FileShare *shareinfo;
2507 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: name is NULL", __func__);
2509 mono_w32error_set_last (ERROR_INVALID_NAME);
2513 filename=mono_unicode_to_external(name);
2514 if(filename==NULL) {
2515 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: unicode conversion returned NULL", __func__);
2517 mono_w32error_set_last (ERROR_INVALID_NAME);
2522 /* Check to make sure sharing allows us to open the file for
2523 * writing. See bug 323389.
2525 * Do the checks that don't need an open file descriptor, for
2526 * simplicity's sake. If we really have to do the full checks
2527 * then we can implement that later.
2529 if (_wapi_stat (filename, &statbuf) < 0) {
2530 _wapi_set_last_path_error_from_errno (NULL, filename);
2535 if (share_allows_open (&statbuf, 0, GENERIC_WRITE,
2536 &shareinfo) == FALSE) {
2537 mono_w32error_set_last (ERROR_SHARING_VIOLATION);
2542 file_share_release (shareinfo);
2545 retval = _wapi_unlink (filename);
2548 /* On linux, calling unlink on an non-existing file in a read-only mount will fail with EROFS.
2549 * The expected behavior is for this function to return FALSE and not trigger an exception.
2550 * To work around this behavior, we stat the file on failure.
2552 * This was supposedly fixed on kernel 3.0 [1] but we could reproduce it with Ubuntu 16.04 which has kernel 4.4.
2553 * We can't remove this workaround until the early 2020's when most Android deviced will have a fix.
2554 * [1] https://github.com/torvalds/linux/commit/50338b889dc504c69e0cb316ac92d1b9e51f3c8a
2556 if (errno == EROFS) {
2558 if (mono_w32file_get_attributes_ex (name, &stat)) //The file exists, so must be due the RO file system
2561 _wapi_set_last_path_error_from_errno (NULL, filename);
2572 MoveFile (gunichar2 *name, gunichar2 *dest_name)
2574 gchar *utf8_name, *utf8_dest_name;
2575 gint result, errno_copy;
2576 struct stat stat_src, stat_dest;
2577 gboolean ret = FALSE;
2578 FileShare *shareinfo;
2581 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: name is NULL", __func__);
2583 mono_w32error_set_last (ERROR_INVALID_NAME);
2587 utf8_name = mono_unicode_to_external (name);
2588 if (utf8_name == NULL) {
2589 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: unicode conversion returned NULL", __func__);
2591 mono_w32error_set_last (ERROR_INVALID_NAME);
2595 if(dest_name==NULL) {
2596 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: name is NULL", __func__);
2599 mono_w32error_set_last (ERROR_INVALID_NAME);
2603 utf8_dest_name = mono_unicode_to_external (dest_name);
2604 if (utf8_dest_name == NULL) {
2605 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: unicode conversion returned NULL", __func__);
2608 mono_w32error_set_last (ERROR_INVALID_NAME);
2613 * In C# land we check for the existence of src, but not for dest.
2614 * We check it here and return the failure if dest exists and is not
2615 * the same file as src.
2617 if (_wapi_stat (utf8_name, &stat_src) < 0) {
2618 if (errno != ENOENT || _wapi_lstat (utf8_name, &stat_src) < 0) {
2619 _wapi_set_last_path_error_from_errno (NULL, utf8_name);
2621 g_free (utf8_dest_name);
2626 if (!_wapi_stat (utf8_dest_name, &stat_dest)) {
2627 if (stat_dest.st_dev != stat_src.st_dev ||
2628 stat_dest.st_ino != stat_src.st_ino) {
2630 g_free (utf8_dest_name);
2631 mono_w32error_set_last (ERROR_ALREADY_EXISTS);
2636 /* Check to make that we have delete sharing permission.
2637 * See https://bugzilla.xamarin.com/show_bug.cgi?id=17009
2639 * Do the checks that don't need an open file descriptor, for
2640 * simplicity's sake. If we really have to do the full checks
2641 * then we can implement that later.
2643 if (share_allows_delete (&stat_src, &shareinfo) == FALSE) {
2644 mono_w32error_set_last (ERROR_SHARING_VIOLATION);
2648 file_share_release (shareinfo);
2650 result = _wapi_rename (utf8_name, utf8_dest_name);
2654 switch(errno_copy) {
2656 mono_w32error_set_last (ERROR_ALREADY_EXISTS);
2660 /* Ignore here, it is dealt with below */
2664 /* We already know src exists. Must be dest that doesn't exist. */
2665 _wapi_set_last_path_error_from_errno (NULL, utf8_dest_name);
2669 _wapi_set_last_error_from_errno ();
2674 g_free (utf8_dest_name);
2676 if (result != 0 && errno_copy == EXDEV) {
2679 if (S_ISDIR (stat_src.st_mode)) {
2680 mono_w32error_set_last (ERROR_NOT_SAME_DEVICE);
2683 /* Try a copy to the new location, and delete the source */
2684 if (!mono_w32file_copy (name, dest_name, FALSE, ©_error)) {
2685 /* mono_w32file_copy will set the error */
2689 return(mono_w32file_delete (name));
2700 write_file (gint src_fd, gint dest_fd, struct stat *st_src, gboolean report_errors)
2704 gint buf_size = st_src->st_blksize;
2705 MonoThreadInfo *info = mono_thread_info_current ();
2707 buf_size = buf_size < 8192 ? 8192 : (buf_size > 65536 ? 65536 : buf_size);
2708 buf = (gchar *) g_malloc (buf_size);
2712 remain = read (src_fd, buf, buf_size);
2715 if (errno == EINTR && !mono_thread_info_is_interrupt_state (info))
2719 _wapi_set_last_error_from_errno ();
2729 while (remain > 0) {
2731 n = write (dest_fd, wbuf, remain);
2734 if (errno == EINTR && !mono_thread_info_is_interrupt_state (info))
2738 _wapi_set_last_error_from_errno ();
2739 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: write failed.", __func__);
2754 CopyFile (const gunichar2 *name, const gunichar2 *dest_name, gboolean fail_if_exists)
2756 gchar *utf8_src, *utf8_dest;
2757 gint src_fd, dest_fd;
2758 struct stat st, dest_st;
2759 struct utimbuf dest_time;
2760 gboolean ret = TRUE;
2765 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: name is NULL", __func__);
2767 mono_w32error_set_last (ERROR_INVALID_NAME);
2771 utf8_src = mono_unicode_to_external (name);
2772 if (utf8_src == NULL) {
2773 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: unicode conversion of source returned NULL",
2776 mono_w32error_set_last (ERROR_INVALID_PARAMETER);
2780 if(dest_name==NULL) {
2781 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: dest is NULL", __func__);
2784 mono_w32error_set_last (ERROR_INVALID_NAME);
2788 utf8_dest = mono_unicode_to_external (dest_name);
2789 if (utf8_dest == NULL) {
2790 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: unicode conversion of dest returned NULL",
2793 mono_w32error_set_last (ERROR_INVALID_PARAMETER);
2800 src_fd = _wapi_open (utf8_src, O_RDONLY, 0);
2802 _wapi_set_last_path_error_from_errno (NULL, utf8_src);
2811 syscall_res = fstat (src_fd, &st);
2813 if (syscall_res < 0) {
2814 _wapi_set_last_error_from_errno ();
2825 /* Before trying to open/create the dest, we need to report a 'file busy'
2826 * error if src and dest are actually the same file. We do the check here to take
2827 * advantage of the IOMAP capability */
2828 if (!_wapi_stat (utf8_dest, &dest_st) && st.st_dev == dest_st.st_dev &&
2829 st.st_ino == dest_st.st_ino) {
2837 mono_w32error_set_last (ERROR_SHARING_VIOLATION);
2841 if (fail_if_exists) {
2842 dest_fd = _wapi_open (utf8_dest, O_WRONLY | O_CREAT | O_EXCL, st.st_mode);
2844 /* FIXME: it kinda sucks that this code path potentially scans
2845 * the directory twice due to the weird mono_w32error_set_last()
2847 dest_fd = _wapi_open (utf8_dest, O_WRONLY | O_TRUNC, st.st_mode);
2849 /* The file does not exist, try creating it */
2850 dest_fd = _wapi_open (utf8_dest, O_WRONLY | O_CREAT | O_TRUNC, st.st_mode);
2852 /* Apparently this error is set if we
2853 * overwrite the dest file
2855 mono_w32error_set_last (ERROR_ALREADY_EXISTS);
2859 _wapi_set_last_error_from_errno ();
2870 if (!write_file (src_fd, dest_fd, &st, TRUE))
2876 dest_time.modtime = st.st_mtime;
2877 dest_time.actime = st.st_atime;
2879 ret_utime = utime (utf8_dest, &dest_time);
2881 if (ret_utime == -1)
2882 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: file [%s] utime failed: %s", __func__, utf8_dest, strerror(errno));
2891 convert_arg_to_utf8 (const gunichar2 *arg, const gchar *arg_name)
2896 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: %s is NULL", __func__, arg_name);
2897 mono_w32error_set_last (ERROR_INVALID_NAME);
2901 utf8_ret = mono_unicode_to_external (arg);
2902 if (utf8_ret == NULL) {
2903 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: unicode conversion of %s returned NULL",
2904 __func__, arg_name);
2905 mono_w32error_set_last (ERROR_INVALID_PARAMETER);
2913 ReplaceFile (const gunichar2 *replacedFileName, const gunichar2 *replacementFileName, const gunichar2 *backupFileName, guint32 replaceFlags, gpointer exclude, gpointer reserved)
2915 gint result, backup_fd = -1,replaced_fd = -1;
2916 gchar *utf8_replacedFileName, *utf8_replacementFileName = NULL, *utf8_backupFileName = NULL;
2917 struct stat stBackup;
2918 gboolean ret = FALSE;
2920 if (!(utf8_replacedFileName = convert_arg_to_utf8 (replacedFileName, "replacedFileName")))
2922 if (!(utf8_replacementFileName = convert_arg_to_utf8 (replacementFileName, "replacementFileName")))
2923 goto replace_cleanup;
2924 if (backupFileName != NULL) {
2925 if (!(utf8_backupFileName = convert_arg_to_utf8 (backupFileName, "backupFileName")))
2926 goto replace_cleanup;
2929 if (utf8_backupFileName) {
2930 // Open the backup file for read so we can restore the file if an error occurs.
2931 backup_fd = _wapi_open (utf8_backupFileName, O_RDONLY, 0);
2932 result = _wapi_rename (utf8_replacedFileName, utf8_backupFileName);
2934 goto replace_cleanup;
2937 result = _wapi_rename (utf8_replacementFileName, utf8_replacedFileName);
2939 _wapi_set_last_path_error_from_errno (NULL, utf8_replacementFileName);
2940 _wapi_rename (utf8_backupFileName, utf8_replacedFileName);
2941 if (backup_fd != -1 && !fstat (backup_fd, &stBackup)) {
2942 replaced_fd = _wapi_open (utf8_backupFileName, O_WRONLY | O_CREAT | O_TRUNC,
2945 if (replaced_fd == -1)
2946 goto replace_cleanup;
2948 write_file (backup_fd, replaced_fd, &stBackup, FALSE);
2951 goto replace_cleanup;
2957 g_free (utf8_replacedFileName);
2958 g_free (utf8_replacementFileName);
2959 g_free (utf8_backupFileName);
2960 if (backup_fd != -1) {
2965 if (replaced_fd != -1) {
2967 close (replaced_fd);
2973 static MonoCoopMutex stdhandle_mutex;
2976 _wapi_stdhandle_create (gint fd, const gchar *name)
2980 MonoW32HandleFile file_handle = {0};
2982 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: creating standard handle type %s, fd %d", __func__, name, fd);
2984 /* Check if fd is valid */
2986 flags = fcntl(fd, F_GETFL);
2987 } while (flags == -1 && errno == EINTR);
2990 /* Invalid fd. Not really much point checking for EBADF
2993 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: fcntl error on fd %d: %s", __func__, fd, strerror(errno));
2995 mono_w32error_set_last (mono_w32error_unix_to_win32 (errno));
2996 return INVALID_HANDLE_VALUE;
2999 switch (flags & (O_RDONLY|O_WRONLY|O_RDWR)) {
3001 file_handle.fileaccess = GENERIC_READ;
3004 file_handle.fileaccess = GENERIC_WRITE;
3007 file_handle.fileaccess = GENERIC_READ | GENERIC_WRITE;
3010 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Can't figure out flags 0x%x", __func__, flags);
3011 file_handle.fileaccess = 0;
3015 file_handle.fd = fd;
3016 file_handle.filename = g_strdup(name);
3017 /* some default security attributes might be needed */
3018 file_handle.security_attributes = 0;
3020 /* Apparently input handles can't be written to. (I don't
3021 * know if output or error handles can't be read from.)
3024 file_handle.fileaccess &= ~GENERIC_WRITE;
3026 file_handle.sharemode = 0;
3027 file_handle.attrs = 0;
3029 handle = mono_w32handle_new_fd (MONO_W32HANDLE_CONSOLE, fd, &file_handle);
3030 if (handle == INVALID_HANDLE_VALUE) {
3031 g_warning ("%s: error creating file handle", __func__);
3032 mono_w32error_set_last (ERROR_GEN_FAILURE);
3033 return INVALID_HANDLE_VALUE;
3036 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: returning handle %p", __func__, handle);
3042 STD_INPUT_HANDLE = -10,
3043 STD_OUTPUT_HANDLE = -11,
3044 STD_ERROR_HANDLE = -12,
3048 mono_w32file_get_std_handle (gint stdhandle)
3050 MonoW32HandleFile *file_handle;
3057 case STD_INPUT_HANDLE:
3062 case STD_OUTPUT_HANDLE:
3067 case STD_ERROR_HANDLE:
3073 g_assert_not_reached ();
3076 handle = GINT_TO_POINTER (fd);
3078 mono_coop_mutex_lock (&stdhandle_mutex);
3080 ok = mono_w32handle_lookup (handle, MONO_W32HANDLE_CONSOLE,
3081 (gpointer *)&file_handle);
3083 /* Need to create this console handle */
3084 handle = _wapi_stdhandle_create (fd, name);
3086 if (handle == INVALID_HANDLE_VALUE) {
3087 mono_w32error_set_last (ERROR_NO_MORE_FILES);
3093 mono_coop_mutex_unlock (&stdhandle_mutex);
3099 mono_w32file_read (gpointer handle, gpointer buffer, guint32 numbytes, guint32 *bytesread)
3101 MonoW32HandleType type;
3103 type = mono_w32handle_get_type (handle);
3105 if(io_ops[type].readfile==NULL) {
3106 mono_w32error_set_last (ERROR_INVALID_HANDLE);
3110 return(io_ops[type].readfile (handle, buffer, numbytes, bytesread));
3114 mono_w32file_write (gpointer handle, gconstpointer buffer, guint32 numbytes, guint32 *byteswritten)
3116 MonoW32HandleType type;
3118 type = mono_w32handle_get_type (handle);
3120 if(io_ops[type].writefile==NULL) {
3121 mono_w32error_set_last (ERROR_INVALID_HANDLE);
3125 return(io_ops[type].writefile (handle, buffer, numbytes, byteswritten));
3129 mono_w32file_flush (gpointer handle)
3131 MonoW32HandleType type;
3133 type = mono_w32handle_get_type (handle);
3135 if(io_ops[type].flushfile==NULL) {
3136 mono_w32error_set_last (ERROR_INVALID_HANDLE);
3140 return(io_ops[type].flushfile (handle));
3144 mono_w32file_truncate (gpointer handle)
3146 MonoW32HandleType type;
3148 type = mono_w32handle_get_type (handle);
3150 if (io_ops[type].setendoffile == NULL) {
3151 mono_w32error_set_last (ERROR_INVALID_HANDLE);
3155 return(io_ops[type].setendoffile (handle));
3159 mono_w32file_seek (gpointer handle, gint32 movedistance, gint32 *highmovedistance, guint32 method)
3161 MonoW32HandleType type;
3163 type = mono_w32handle_get_type (handle);
3165 if (io_ops[type].seek == NULL) {
3166 mono_w32error_set_last (ERROR_INVALID_HANDLE);
3167 return(INVALID_SET_FILE_POINTER);
3170 return(io_ops[type].seek (handle, movedistance, highmovedistance,
3175 mono_w32file_get_type(gpointer handle)
3177 MonoW32HandleType type;
3179 type = mono_w32handle_get_type (handle);
3181 if (io_ops[type].getfiletype == NULL) {
3182 mono_w32error_set_last (ERROR_INVALID_HANDLE);
3183 return(FILE_TYPE_UNKNOWN);
3186 return(io_ops[type].getfiletype ());
3190 GetFileSize(gpointer handle, guint32 *highsize)
3192 MonoW32HandleType type;
3194 type = mono_w32handle_get_type (handle);
3196 if (io_ops[type].getfilesize == NULL) {
3197 mono_w32error_set_last (ERROR_INVALID_HANDLE);
3198 return(INVALID_FILE_SIZE);
3201 return(io_ops[type].getfilesize (handle, highsize));
3205 mono_w32file_get_times(gpointer handle, FILETIME *create_time, FILETIME *access_time, FILETIME *write_time)
3207 MonoW32HandleType type;
3209 type = mono_w32handle_get_type (handle);
3211 if (io_ops[type].getfiletime == NULL) {
3212 mono_w32error_set_last (ERROR_INVALID_HANDLE);
3216 return(io_ops[type].getfiletime (handle, create_time, access_time,
3221 mono_w32file_set_times(gpointer handle, const FILETIME *create_time, const FILETIME *access_time, const FILETIME *write_time)
3223 MonoW32HandleType type;
3225 type = mono_w32handle_get_type (handle);
3227 if (io_ops[type].setfiletime == NULL) {
3228 mono_w32error_set_last (ERROR_INVALID_HANDLE);
3232 return(io_ops[type].setfiletime (handle, create_time, access_time,
3236 /* A tick is a 100-nanosecond interval. File time epoch is Midnight,
3237 * January 1 1601 GMT
3240 #define TICKS_PER_MILLISECOND 10000L
3241 #define TICKS_PER_SECOND 10000000L
3242 #define TICKS_PER_MINUTE 600000000L
3243 #define TICKS_PER_HOUR 36000000000LL
3244 #define TICKS_PER_DAY 864000000000LL
3246 #define isleap(y) ((y) % 4 == 0 && ((y) % 100 != 0 || (y) % 400 == 0))
3248 static const guint16 mon_yday[2][13]={
3249 {0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365},
3250 {0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366},
3254 mono_w32file_filetime_to_systemtime(const FILETIME *file_time, SYSTEMTIME *system_time)
3256 gint64 file_ticks, totaldays, rem, y;
3259 if(system_time==NULL) {
3260 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: system_time NULL", __func__);
3262 mono_w32error_set_last (ERROR_INVALID_PARAMETER);
3266 file_ticks=((gint64)file_time->dwHighDateTime << 32) +
3267 file_time->dwLowDateTime;
3269 /* Really compares if file_ticks>=0x8000000000000000
3270 * (LLONG_MAX+1) but we're working with a signed value for the
3271 * year and day calculation to work later
3274 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: file_time too big", __func__);
3276 mono_w32error_set_last (ERROR_INVALID_PARAMETER);
3280 totaldays=(file_ticks / TICKS_PER_DAY);
3281 rem = file_ticks % TICKS_PER_DAY;
3282 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: totaldays: %" G_GINT64_FORMAT " rem: %" G_GINT64_FORMAT, __func__,
3285 system_time->wHour=rem/TICKS_PER_HOUR;
3286 rem %= TICKS_PER_HOUR;
3287 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Hour: %d rem: %" G_GINT64_FORMAT, __func__,
3288 system_time->wHour, rem);
3290 system_time->wMinute = rem / TICKS_PER_MINUTE;
3291 rem %= TICKS_PER_MINUTE;
3292 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Minute: %d rem: %" G_GINT64_FORMAT, __func__,
3293 system_time->wMinute, rem);
3295 system_time->wSecond = rem / TICKS_PER_SECOND;
3296 rem %= TICKS_PER_SECOND;
3297 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Second: %d rem: %" G_GINT64_FORMAT, __func__,
3298 system_time->wSecond, rem);
3300 system_time->wMilliseconds = rem / TICKS_PER_MILLISECOND;
3301 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Milliseconds: %d", __func__,
3302 system_time->wMilliseconds);
3304 /* January 1, 1601 was a Monday, according to Emacs calendar */
3305 system_time->wDayOfWeek = ((1 + totaldays) % 7) + 1;
3306 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Day of week: %d", __func__, system_time->wDayOfWeek);
3308 /* This algorithm to find year and month given days from epoch
3313 #define DIV(a, b) ((a) / (b) - ((a) % (b) < 0))
3314 #define LEAPS_THRU_END_OF(y) (DIV(y, 4) - DIV (y, 100) + DIV (y, 400))
3316 while(totaldays < 0 || totaldays >= (isleap(y)?366:365)) {
3317 /* Guess a corrected year, assuming 365 days per year */
3318 gint64 yg = y + totaldays / 365 - (totaldays % 365 < 0);
3319 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: totaldays: %" G_GINT64_FORMAT " yg: %" G_GINT64_FORMAT " y: %" G_GINT64_FORMAT, __func__,
3321 g_message("%s: LEAPS(yg): %li LEAPS(y): %li", __func__,
3322 LEAPS_THRU_END_OF(yg-1), LEAPS_THRU_END_OF(y-1));
3324 /* Adjust days and y to match the guessed year. */
3325 totaldays -= ((yg - y) * 365
3326 + LEAPS_THRU_END_OF (yg - 1)
3327 - LEAPS_THRU_END_OF (y - 1));
3328 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: totaldays: %" G_GINT64_FORMAT,
3329 __func__, totaldays);
3331 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: y: %" G_GINT64_FORMAT, __func__, y);
3334 system_time->wYear = y;
3335 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Year: %d", __func__, system_time->wYear);
3337 ip = mon_yday[isleap(y)];
3339 for(y=11; totaldays < ip[y]; --y) {
3343 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: totaldays: %" G_GINT64_FORMAT, __func__, totaldays);
3345 system_time->wMonth = y + 1;
3346 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Month: %d", __func__, system_time->wMonth);
3348 system_time->wDay = totaldays + 1;
3349 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Day: %d", __func__, system_time->wDay);
3355 mono_w32file_find_first (const gunichar2 *pattern, WIN32_FIND_DATA *find_data)
3357 MonoW32HandleFind find_handle = {0};
3359 gchar *utf8_pattern = NULL, *dir_part, *entry_part;
3362 if (pattern == NULL) {
3363 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: pattern is NULL", __func__);
3365 mono_w32error_set_last (ERROR_PATH_NOT_FOUND);
3366 return(INVALID_HANDLE_VALUE);
3369 utf8_pattern = mono_unicode_to_external (pattern);
3370 if (utf8_pattern == NULL) {
3371 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: unicode conversion returned NULL", __func__);
3373 mono_w32error_set_last (ERROR_INVALID_NAME);
3374 return(INVALID_HANDLE_VALUE);
3377 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: looking for [%s]", __func__, utf8_pattern);
3379 /* Figure out which bit of the pattern is the directory */
3380 dir_part = _wapi_dirname (utf8_pattern);
3381 entry_part = _wapi_basename (utf8_pattern);
3384 /* Don't do this check for now, it breaks if directories
3385 * really do have metachars in their names (see bug 58116).
3386 * FIXME: Figure out a better solution to keep some checks...
3388 if (strchr (dir_part, '*') || strchr (dir_part, '?')) {
3389 mono_w32error_set_last (ERROR_INVALID_NAME);
3391 g_free (entry_part);
3392 g_free (utf8_pattern);
3393 return(INVALID_HANDLE_VALUE);
3397 /* The pattern can specify a directory or a set of files.
3399 * The pattern can have wildcard characters ? and *, but only
3400 * in the section after the last directory delimiter. (Return
3401 * ERROR_INVALID_NAME if there are wildcards in earlier path
3402 * sections.) "*" has the usual 0-or-more chars meaning. "?"
3403 * means "match one character", "??" seems to mean "match one
3404 * or two characters", "???" seems to mean "match one, two or
3405 * three characters", etc. Windows will also try and match
3406 * the mangled "short name" of files, so 8 character patterns
3407 * with wildcards will show some surprising results.
3409 * All the written documentation I can find says that '?'
3410 * should only match one character, and doesn't mention '??',
3411 * '???' etc. I'm going to assume that the strict behaviour
3412 * (ie '???' means three and only three characters) is the
3413 * correct one, because that lets me use fnmatch(3) rather
3414 * than mess around with regexes.
3417 find_handle.namelist = NULL;
3418 result = _wapi_io_scandir (dir_part, entry_part,
3419 &find_handle.namelist);
3422 /* No files, which windows seems to call
3425 mono_w32error_set_last (ERROR_FILE_NOT_FOUND);
3426 g_free (utf8_pattern);
3427 g_free (entry_part);
3429 return (INVALID_HANDLE_VALUE);
3433 _wapi_set_last_path_error_from_errno (dir_part, NULL);
3434 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: scandir error: %s", __func__, g_strerror (errno));
3435 g_free (utf8_pattern);
3436 g_free (entry_part);
3438 return (INVALID_HANDLE_VALUE);
3441 g_free (utf8_pattern);
3442 g_free (entry_part);
3444 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Got %d matches", __func__, result);
3446 find_handle.dir_part = dir_part;
3447 find_handle.num = result;
3448 find_handle.count = 0;
3450 handle = mono_w32handle_new (MONO_W32HANDLE_FIND, &find_handle);
3451 if (handle == INVALID_HANDLE_VALUE) {
3452 g_warning ("%s: error creating find handle", __func__);
3454 g_free (entry_part);
3455 g_free (utf8_pattern);
3456 mono_w32error_set_last (ERROR_GEN_FAILURE);
3458 return(INVALID_HANDLE_VALUE);
3461 if (handle != INVALID_HANDLE_VALUE &&
3462 !mono_w32file_find_next (handle, find_data)) {
3463 mono_w32file_find_close (handle);
3464 mono_w32error_set_last (ERROR_NO_MORE_FILES);
3465 handle = INVALID_HANDLE_VALUE;
3472 mono_w32file_find_next (gpointer handle, WIN32_FIND_DATA *find_data)
3474 MonoW32HandleFind *find_handle;
3476 struct stat buf, linkbuf;
3479 gchar *utf8_filename, *utf8_basename;
3480 gunichar2 *utf16_basename;
3483 gboolean ret = FALSE;
3485 ok=mono_w32handle_lookup (handle, MONO_W32HANDLE_FIND,
3486 (gpointer *)&find_handle);
3488 g_warning ("%s: error looking up find handle %p", __func__,
3490 mono_w32error_set_last (ERROR_INVALID_HANDLE);
3494 mono_w32handle_lock_handle (handle);
3497 if (find_handle->count >= find_handle->num) {
3498 mono_w32error_set_last (ERROR_NO_MORE_FILES);
3502 /* stat next match */
3504 filename = g_build_filename (find_handle->dir_part, find_handle->namelist[find_handle->count ++], NULL);
3506 result = _wapi_stat (filename, &buf);
3507 if (result == -1 && errno == ENOENT) {
3508 /* Might be a dangling symlink */
3509 result = _wapi_lstat (filename, &buf);
3513 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: stat failed: %s", __func__, filename);
3519 result = _wapi_lstat (filename, &linkbuf);
3521 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: lstat failed: %s", __func__, filename);
3527 utf8_filename = mono_utf8_from_external (filename);
3528 if (utf8_filename == NULL) {
3529 /* We couldn't turn this filename into utf8 (eg the
3530 * encoding of the name wasn't convertible), so just
3533 g_warning ("%s: Bad encoding for '%s'\nConsider using MONO_EXTERNAL_ENCODINGS\n", __func__, filename);
3540 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Found [%s]", __func__, utf8_filename);
3542 /* fill data block */
3544 if (buf.st_mtime < buf.st_ctime)
3545 create_time = buf.st_mtime;
3547 create_time = buf.st_ctime;
3549 find_data->dwFileAttributes = _wapi_stat_to_file_attributes (utf8_filename, &buf, &linkbuf);
3551 time_t_to_filetime (create_time, &find_data->ftCreationTime);
3552 time_t_to_filetime (buf.st_atime, &find_data->ftLastAccessTime);
3553 time_t_to_filetime (buf.st_mtime, &find_data->ftLastWriteTime);
3555 if (find_data->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
3556 find_data->nFileSizeHigh = 0;
3557 find_data->nFileSizeLow = 0;
3559 find_data->nFileSizeHigh = buf.st_size >> 32;
3560 find_data->nFileSizeLow = buf.st_size & 0xFFFFFFFF;
3563 find_data->dwReserved0 = 0;
3564 find_data->dwReserved1 = 0;
3566 utf8_basename = _wapi_basename (utf8_filename);
3567 utf16_basename = g_utf8_to_utf16 (utf8_basename, -1, NULL, &bytes,
3569 if(utf16_basename==NULL) {
3570 g_free (utf8_basename);
3571 g_free (utf8_filename);
3576 /* utf16 is 2 * utf8 */
3579 memset (find_data->cFileName, '\0', (MAX_PATH*2));
3581 /* Truncating a utf16 string like this might leave the last
3584 memcpy (find_data->cFileName, utf16_basename,
3585 bytes<(MAX_PATH*2)-2?bytes:(MAX_PATH*2)-2);
3587 find_data->cAlternateFileName [0] = 0; /* not used */
3589 g_free (utf8_basename);
3590 g_free (utf8_filename);
3591 g_free (utf16_basename);
3594 mono_w32handle_unlock_handle (handle);
3600 mono_w32file_find_close (gpointer handle)
3602 MonoW32HandleFind *find_handle;
3605 if (handle == NULL) {
3606 mono_w32error_set_last (ERROR_INVALID_HANDLE);
3610 ok=mono_w32handle_lookup (handle, MONO_W32HANDLE_FIND,
3611 (gpointer *)&find_handle);
3613 g_warning ("%s: error looking up find handle %p", __func__,
3615 mono_w32error_set_last (ERROR_INVALID_HANDLE);
3619 mono_w32handle_lock_handle (handle);
3621 g_strfreev (find_handle->namelist);
3622 g_free (find_handle->dir_part);
3624 mono_w32handle_unlock_handle (handle);
3627 mono_w32handle_close (handle);
3634 mono_w32file_create_directory (const gunichar2 *name)
3640 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: name is NULL", __func__);
3642 mono_w32error_set_last (ERROR_INVALID_NAME);
3646 utf8_name = mono_unicode_to_external (name);
3647 if (utf8_name == NULL) {
3648 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: unicode conversion returned NULL", __func__);
3650 mono_w32error_set_last (ERROR_INVALID_NAME);
3654 result = _wapi_mkdir (utf8_name, 0777);
3661 _wapi_set_last_path_error_from_errno (NULL, utf8_name);
3667 mono_w32file_remove_directory (const gunichar2 *name)
3673 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: name is NULL", __func__);
3675 mono_w32error_set_last (ERROR_INVALID_NAME);
3679 utf8_name = mono_unicode_to_external (name);
3680 if (utf8_name == NULL) {
3681 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: unicode conversion returned NULL", __func__);
3683 mono_w32error_set_last (ERROR_INVALID_NAME);
3687 result = _wapi_rmdir (utf8_name);
3689 _wapi_set_last_path_error_from_errno (NULL, utf8_name);
3700 mono_w32file_get_attributes (const gunichar2 *name)
3703 struct stat buf, linkbuf;
3708 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: name is NULL", __func__);
3710 mono_w32error_set_last (ERROR_INVALID_NAME);
3714 utf8_name = mono_unicode_to_external (name);
3715 if (utf8_name == NULL) {
3716 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: unicode conversion returned NULL", __func__);
3718 mono_w32error_set_last (ERROR_INVALID_PARAMETER);
3719 return (INVALID_FILE_ATTRIBUTES);
3722 result = _wapi_stat (utf8_name, &buf);
3723 if (result == -1 && (errno == ENOENT || errno == ELOOP)) {
3724 /* Might be a dangling symlink... */
3725 result = _wapi_lstat (utf8_name, &buf);
3729 _wapi_set_last_path_error_from_errno (NULL, utf8_name);
3731 return (INVALID_FILE_ATTRIBUTES);
3734 result = _wapi_lstat (utf8_name, &linkbuf);
3736 _wapi_set_last_path_error_from_errno (NULL, utf8_name);
3738 return (INVALID_FILE_ATTRIBUTES);
3741 ret = _wapi_stat_to_file_attributes (utf8_name, &buf, &linkbuf);
3749 mono_w32file_get_attributes_ex (const gunichar2 *name, MonoIOStat *stat)
3753 struct stat buf, linkbuf;
3757 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: name is NULL", __func__);
3759 mono_w32error_set_last (ERROR_INVALID_NAME);
3763 utf8_name = mono_unicode_to_external (name);
3764 if (utf8_name == NULL) {
3765 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: unicode conversion returned NULL", __func__);
3767 mono_w32error_set_last (ERROR_INVALID_PARAMETER);
3771 result = _wapi_stat (utf8_name, &buf);
3772 if (result == -1 && errno == ENOENT) {
3773 /* Might be a dangling symlink... */
3774 result = _wapi_lstat (utf8_name, &buf);
3778 _wapi_set_last_path_error_from_errno (NULL, utf8_name);
3783 result = _wapi_lstat (utf8_name, &linkbuf);
3785 _wapi_set_last_path_error_from_errno (NULL, utf8_name);
3790 /* fill stat block */
3792 stat->attributes = _wapi_stat_to_file_attributes (utf8_name, &buf, &linkbuf);
3793 stat->creation_time = (((guint64) (buf.st_mtime < buf.st_ctime ? buf.st_mtime : buf.st_ctime)) * 10 * 1000 * 1000) + 116444736000000000ULL;
3794 stat->last_access_time = (((guint64) (buf.st_atime)) * 10 * 1000 * 1000) + 116444736000000000ULL;
3795 stat->last_write_time = (((guint64) (buf.st_mtime)) * 10 * 1000 * 1000) + 116444736000000000ULL;
3796 stat->length = (stat->attributes & FILE_ATTRIBUTE_DIRECTORY) ? 0 : buf.st_size;
3803 mono_w32file_set_attributes (const gunichar2 *name, guint32 attrs)
3805 /* FIXME: think of something clever to do on unix */
3811 * Currently we only handle one *internal* case, with a value that is
3812 * not standard: 0x80000000, which means `set executable bit'
3816 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: name is NULL", __func__);
3818 mono_w32error_set_last (ERROR_INVALID_NAME);
3822 utf8_name = mono_unicode_to_external (name);
3823 if (utf8_name == NULL) {
3824 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: unicode conversion returned NULL", __func__);
3826 mono_w32error_set_last (ERROR_INVALID_NAME);
3830 result = _wapi_stat (utf8_name, &buf);
3831 if (result == -1 && errno == ENOENT) {
3832 /* Might be a dangling symlink... */
3833 result = _wapi_lstat (utf8_name, &buf);
3837 _wapi_set_last_path_error_from_errno (NULL, utf8_name);
3842 /* Contrary to the documentation, ms allows NORMAL to be
3843 * specified along with other attributes, so dont bother to
3844 * catch that case here.
3846 if (attrs & FILE_ATTRIBUTE_READONLY) {
3847 result = _wapi_chmod (utf8_name, buf.st_mode & ~(S_IWUSR | S_IWOTH | S_IWGRP));
3849 result = _wapi_chmod (utf8_name, buf.st_mode | S_IWUSR);
3852 /* Ignore the other attributes for now */
3854 if (attrs & 0x80000000){
3855 mode_t exec_mask = 0;
3857 if ((buf.st_mode & S_IRUSR) != 0)
3858 exec_mask |= S_IXUSR;
3860 if ((buf.st_mode & S_IRGRP) != 0)
3861 exec_mask |= S_IXGRP;
3863 if ((buf.st_mode & S_IROTH) != 0)
3864 exec_mask |= S_IXOTH;
3867 result = chmod (utf8_name, buf.st_mode | exec_mask);
3870 /* Don't bother to reset executable (might need to change this
3880 mono_w32file_get_cwd (guint32 length, gunichar2 *buffer)
3882 gunichar2 *utf16_path;
3886 if (getcwd ((gchar*)buffer, length) == NULL) {
3887 if (errno == ERANGE) { /*buffer length is not big enough */
3888 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*/
3891 utf16_path = mono_unicode_from_external (path, &bytes);
3892 g_free (utf16_path);
3896 _wapi_set_last_error_from_errno ();
3900 utf16_path = mono_unicode_from_external ((gchar*)buffer, &bytes);
3901 count = (bytes/2)+1;
3902 g_assert (count <= length); /*getcwd must have failed before with ERANGE*/
3904 /* Add the terminator */
3905 memset (buffer, '\0', bytes+2);
3906 memcpy (buffer, utf16_path, bytes);
3908 g_free (utf16_path);
3914 mono_w32file_set_cwd (const gunichar2 *path)
3920 mono_w32error_set_last (ERROR_INVALID_PARAMETER);
3924 utf8_path = mono_unicode_to_external (path);
3925 if (_wapi_chdir (utf8_path) != 0) {
3926 _wapi_set_last_error_from_errno ();
3937 mono_w32file_create_pipe (gpointer *readpipe, gpointer *writepipe, guint32 size)
3939 MonoW32HandleFile pipe_read_handle = {0};
3940 MonoW32HandleFile pipe_write_handle = {0};
3941 gpointer read_handle;
3942 gpointer write_handle;
3946 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Creating pipe", __func__);
3952 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Error creating pipe: %s", __func__,
3955 _wapi_set_last_error_from_errno ();
3959 if (filedes[0] >= mono_w32handle_fd_reserve ||
3960 filedes[1] >= mono_w32handle_fd_reserve) {
3961 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: File descriptor is too big", __func__);
3963 mono_w32error_set_last (ERROR_TOO_MANY_OPEN_FILES);
3973 /* filedes[0] is open for reading, filedes[1] for writing */
3975 pipe_read_handle.fd = filedes [0];
3976 pipe_read_handle.fileaccess = GENERIC_READ;
3977 read_handle = mono_w32handle_new_fd (MONO_W32HANDLE_PIPE, filedes[0],
3979 if (read_handle == INVALID_HANDLE_VALUE) {
3980 g_warning ("%s: error creating pipe read handle", __func__);
3985 mono_w32error_set_last (ERROR_GEN_FAILURE);
3990 pipe_write_handle.fd = filedes [1];
3991 pipe_write_handle.fileaccess = GENERIC_WRITE;
3992 write_handle = mono_w32handle_new_fd (MONO_W32HANDLE_PIPE, filedes[1],
3993 &pipe_write_handle);
3994 if (write_handle == INVALID_HANDLE_VALUE) {
3995 g_warning ("%s: error creating pipe write handle", __func__);
3998 mono_w32handle_close (read_handle);
4003 mono_w32error_set_last (ERROR_GEN_FAILURE);
4008 *readpipe = read_handle;
4009 *writepipe = write_handle;
4011 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Returning pipe: read handle %p, write handle %p",
4012 __func__, read_handle, write_handle);
4017 #ifdef HAVE_GETFSSTAT
4018 /* Darwin has getfsstat */
4020 mono_w32file_get_logical_drive (guint32 len, gunichar2 *buf)
4022 struct statfs *stats;
4025 glong length, total = 0;
4029 n = getfsstat (NULL, 0, MNT_NOWAIT);
4033 size = n * sizeof (struct statfs);
4034 stats = (struct statfs *) g_malloc (size);
4038 syscall_res = getfsstat (stats, size, MNT_NOWAIT);
4040 if (syscall_res == -1){
4044 for (i = 0; i < n; i++){
4045 dir = g_utf8_to_utf16 (stats [i].f_mntonname, -1, NULL, &length, NULL);
4046 if (total + length < len){
4047 memcpy (buf + total, dir, sizeof (gunichar2) * length);
4048 buf [total+length] = 0;
4051 total += length + 1;
4060 /* In-place octal sequence replacement */
4062 unescape_octal (gchar *str)
4071 while (*rptr != '\0') {
4072 if (*rptr == '\\') {
4075 c = (*(rptr++) - '0') << 6;
4076 c += (*(rptr++) - '0') << 3;
4077 c += *(rptr++) - '0';
4079 } else if (wptr != rptr) {
4087 static gint32 GetLogicalDriveStrings_Mtab (guint32 len, gunichar2 *buf);
4090 #define GET_LOGICAL_DRIVE_STRINGS_BUFFER 512
4091 #define GET_LOGICAL_DRIVE_STRINGS_MOUNTPOINT_BUFFER 512
4092 #define GET_LOGICAL_DRIVE_STRINGS_FSNAME_BUFFER 64
4097 guint32 buffer_index;
4098 guint32 mountpoint_index;
4099 guint32 field_number;
4100 guint32 allocated_size;
4101 guint32 fsname_index;
4102 guint32 fstype_index;
4103 gchar mountpoint [GET_LOGICAL_DRIVE_STRINGS_MOUNTPOINT_BUFFER + 1];
4104 gchar *mountpoint_allocated;
4105 gchar buffer [GET_LOGICAL_DRIVE_STRINGS_BUFFER];
4106 gchar fsname [GET_LOGICAL_DRIVE_STRINGS_FSNAME_BUFFER + 1];
4107 gchar fstype [GET_LOGICAL_DRIVE_STRINGS_FSNAME_BUFFER + 1];
4110 gboolean check_mount_source;
4111 } LinuxMountInfoParseState;
4113 static gboolean GetLogicalDriveStrings_Mounts (guint32 len, gunichar2 *buf, LinuxMountInfoParseState *state);
4114 static gboolean GetLogicalDriveStrings_MountInfo (guint32 len, gunichar2 *buf, LinuxMountInfoParseState *state);
4115 static void append_to_mountpoint (LinuxMountInfoParseState *state);
4116 static gboolean add_drive_string (guint32 len, gunichar2 *buf, LinuxMountInfoParseState *state);
4119 mono_w32file_get_logical_drive (guint32 len, gunichar2 *buf)
4123 LinuxMountInfoParseState state;
4124 gboolean (*parser)(guint32, gunichar2*, LinuxMountInfoParseState*) = NULL;
4126 memset (buf, 0, len * sizeof (gunichar2));
4128 fd = open ("/proc/self/mountinfo", O_RDONLY);
4131 parser = GetLogicalDriveStrings_MountInfo;
4134 fd = open ("/proc/mounts", O_RDONLY);
4137 parser = GetLogicalDriveStrings_Mounts;
4141 ret = GetLogicalDriveStrings_Mtab (len, buf);
4145 memset (&state, 0, sizeof (LinuxMountInfoParseState));
4146 state.field_number = 1;
4147 state.delimiter = ' ';
4151 state.nbytes = read (fd, state.buffer, GET_LOGICAL_DRIVE_STRINGS_BUFFER);
4153 if (!(state.nbytes > 0))
4155 state.buffer_index = 0;
4157 while ((*parser)(len, buf, &state)) {
4158 if (state.buffer [state.buffer_index] == '\n') {
4159 gboolean quit = add_drive_string (len, buf, &state);
4160 state.field_number = 1;
4161 state.buffer_index++;
4162 if (state.mountpoint_allocated) {
4163 g_free (state.mountpoint_allocated);
4164 state.mountpoint_allocated = NULL;
4184 static gboolean GetLogicalDriveStrings_Mounts (guint32 len, gunichar2 *buf, LinuxMountInfoParseState *state)
4188 if (state->field_number == 1)
4189 state->check_mount_source = TRUE;
4191 while (state->buffer_index < (guint32)state->nbytes) {
4192 if (state->buffer [state->buffer_index] == state->delimiter) {
4193 state->field_number++;
4194 switch (state->field_number) {
4196 state->mountpoint_index = 0;
4200 if (state->mountpoint_allocated)
4201 state->mountpoint_allocated [state->mountpoint_index] = 0;
4203 state->mountpoint [state->mountpoint_index] = 0;
4207 ptr = (gchar*)memchr (state->buffer + state->buffer_index, '\n', GET_LOGICAL_DRIVE_STRINGS_BUFFER - state->buffer_index);
4209 state->buffer_index = (ptr - (gchar*)state->buffer) - 1;
4211 state->buffer_index = state->nbytes;
4214 state->buffer_index++;
4216 } else if (state->buffer [state->buffer_index] == '\n')
4219 switch (state->field_number) {
4221 if (state->check_mount_source) {
4222 if (state->fsname_index == 0 && state->buffer [state->buffer_index] == '/') {
4223 /* We can ignore the rest, it's a device
4225 state->check_mount_source = FALSE;
4226 state->fsname [state->fsname_index++] = '/';
4229 if (state->fsname_index < GET_LOGICAL_DRIVE_STRINGS_FSNAME_BUFFER)
4230 state->fsname [state->fsname_index++] = state->buffer [state->buffer_index];
4235 append_to_mountpoint (state);
4239 if (state->fstype_index < GET_LOGICAL_DRIVE_STRINGS_FSNAME_BUFFER)
4240 state->fstype [state->fstype_index++] = state->buffer [state->buffer_index];
4244 state->buffer_index++;
4250 static gboolean GetLogicalDriveStrings_MountInfo (guint32 len, gunichar2 *buf, LinuxMountInfoParseState *state)
4252 while (state->buffer_index < (guint32)state->nbytes) {
4253 if (state->buffer [state->buffer_index] == state->delimiter) {
4254 state->field_number++;
4255 switch (state->field_number) {
4257 state->mountpoint_index = 0;
4261 if (state->mountpoint_allocated)
4262 state->mountpoint_allocated [state->mountpoint_index] = 0;
4264 state->mountpoint [state->mountpoint_index] = 0;
4268 state->delimiter = '-';
4272 state->delimiter = ' ';
4276 state->check_mount_source = TRUE;
4279 state->buffer_index++;
4281 } else if (state->buffer [state->buffer_index] == '\n')
4284 switch (state->field_number) {
4286 append_to_mountpoint (state);
4290 if (state->fstype_index < GET_LOGICAL_DRIVE_STRINGS_FSNAME_BUFFER)
4291 state->fstype [state->fstype_index++] = state->buffer [state->buffer_index];
4295 if (state->check_mount_source) {
4296 if (state->fsname_index == 0 && state->buffer [state->buffer_index] == '/') {
4297 /* We can ignore the rest, it's a device
4299 state->check_mount_source = FALSE;
4300 state->fsname [state->fsname_index++] = '/';
4303 if (state->fsname_index < GET_LOGICAL_DRIVE_STRINGS_FSNAME_BUFFER)
4304 state->fsname [state->fsname_index++] = state->buffer [state->buffer_index];
4309 state->buffer_index++;
4316 append_to_mountpoint (LinuxMountInfoParseState *state)
4318 gchar ch = state->buffer [state->buffer_index];
4319 if (state->mountpoint_allocated) {
4320 if (state->mountpoint_index >= state->allocated_size) {
4321 guint32 newsize = (state->allocated_size << 1) + 1;
4322 gchar *newbuf = (gchar *)g_malloc0 (newsize * sizeof (gchar));
4324 memcpy (newbuf, state->mountpoint_allocated, state->mountpoint_index);
4325 g_free (state->mountpoint_allocated);
4326 state->mountpoint_allocated = newbuf;
4327 state->allocated_size = newsize;
4329 state->mountpoint_allocated [state->mountpoint_index++] = ch;
4331 if (state->mountpoint_index >= GET_LOGICAL_DRIVE_STRINGS_MOUNTPOINT_BUFFER) {
4332 state->allocated_size = (state->mountpoint_index << 1) + 1;
4333 state->mountpoint_allocated = (gchar *)g_malloc0 (state->allocated_size * sizeof (gchar));
4334 memcpy (state->mountpoint_allocated, state->mountpoint, state->mountpoint_index);
4335 state->mountpoint_allocated [state->mountpoint_index++] = ch;
4337 state->mountpoint [state->mountpoint_index++] = ch;
4342 add_drive_string (guint32 len, gunichar2 *buf, LinuxMountInfoParseState *state)
4344 gboolean quit = FALSE;
4345 gboolean ignore_entry;
4347 if (state->fsname_index == 1 && state->fsname [0] == '/')
4348 ignore_entry = FALSE;
4349 else if (memcmp ("overlay", state->fsname, state->fsname_index) == 0 ||
4350 memcmp ("aufs", state->fstype, state->fstype_index) == 0) {
4351 /* Don't ignore overlayfs and aufs - these might be used on Docker
4352 * (https://bugzilla.xamarin.com/show_bug.cgi?id=31021) */
4353 ignore_entry = FALSE;
4354 } else if (state->fsname_index == 0 || memcmp ("none", state->fsname, state->fsname_index) == 0) {
4355 ignore_entry = TRUE;
4356 } else if (state->fstype_index >= 5 && memcmp ("fuse.", state->fstype, 5) == 0) {
4357 /* Ignore GNOME's gvfs */
4358 if (state->fstype_index == 21 && memcmp ("fuse.gvfs-fuse-daemon", state->fstype, state->fstype_index) == 0)
4359 ignore_entry = TRUE;
4361 ignore_entry = FALSE;
4362 } else if (state->fstype_index == 3 && memcmp ("nfs", state->fstype, state->fstype_index) == 0)
4363 ignore_entry = FALSE;
4365 ignore_entry = TRUE;
4367 if (!ignore_entry) {
4370 gchar *mountpoint = state->mountpoint_allocated ? state->mountpoint_allocated : state->mountpoint;
4372 unescape_octal (mountpoint);
4373 dir = g_utf8_to_utf16 (mountpoint, -1, NULL, &length, NULL);
4374 if (state->total + length + 1 > len) {
4376 state->total = len * 2;
4379 memcpy (buf + state->total, dir, sizeof (gunichar2) * length);
4380 state->total += length;
4384 state->fsname_index = 0;
4385 state->fstype_index = 0;
4391 mono_w32file_get_logical_drive (guint32 len, gunichar2 *buf)
4393 return GetLogicalDriveStrings_Mtab (len, buf);
4397 GetLogicalDriveStrings_Mtab (guint32 len, gunichar2 *buf)
4400 gunichar2 *ptr, *dir;
4401 glong length, total = 0;
4405 memset (buf, 0, sizeof (gunichar2) * (len + 1));
4410 /* Sigh, mntent and friends don't work well.
4411 * It stops on the first line that doesn't begin with a '/'.
4412 * (linux 2.6.5, libc 2.3.2.ds1-12) - Gonz */
4414 fp = fopen ("/etc/mtab", "rt");
4418 fp = fopen ("/etc/mnttab", "rt");
4428 fgets_res = fgets (buffer, 512, fp);
4435 splitted = g_strsplit (buffer, " ", 0);
4436 if (!*splitted || !*(splitted + 1)) {
4437 g_strfreev (splitted);
4441 unescape_octal (*(splitted + 1));
4442 dir = g_utf8_to_utf16 (*(splitted + 1), -1, NULL, &length, NULL);
4443 g_strfreev (splitted);
4444 if (total + length + 1 > len) {
4449 return len * 2; /* guess */
4452 memcpy (ptr + total, dir, sizeof (gunichar2) * length);
4454 total += length + 1;
4461 /* Commented out, does not work with my mtab!!! - Gonz */
4462 #ifdef NOTENABLED /* HAVE_MNTENT_H */
4466 gunichar2 *ptr, *dir;
4467 glong len, total = 0;
4471 fp = setmntent ("/etc/mtab", "rt");
4475 fp = setmntent ("/etc/mnttab", "rt");
4484 mnt = getmntent (fp);
4488 g_print ("GOT %s\n", mnt->mnt_dir);
4489 dir = g_utf8_to_utf16 (mnt->mnt_dir, &len, NULL, NULL, NULL);
4490 if (total + len + 1 > len) {
4494 return len * 2; /* guess */
4497 memcpy (ptr + total, dir, sizeof (gunichar2) * len);
4511 #if defined(HAVE_STATVFS) || defined(HAVE_STATFS)
4513 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)
4516 struct statvfs fsstat;
4517 #elif defined(HAVE_STATFS)
4518 struct statfs fsstat;
4520 gboolean isreadonly;
4521 gchar *utf8_path_name;
4523 unsigned long block_size;
4525 if (path_name == NULL) {
4526 utf8_path_name = g_strdup (g_get_current_dir());
4527 if (utf8_path_name == NULL) {
4528 mono_w32error_set_last (ERROR_DIRECTORY);
4533 utf8_path_name = mono_unicode_to_external (path_name);
4534 if (utf8_path_name == NULL) {
4535 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: unicode conversion returned NULL", __func__);
4537 mono_w32error_set_last (ERROR_INVALID_NAME);
4545 ret = statvfs (utf8_path_name, &fsstat);
4547 isreadonly = ((fsstat.f_flag & ST_RDONLY) == ST_RDONLY);
4548 block_size = fsstat.f_frsize;
4549 #elif defined(HAVE_STATFS)
4551 ret = statfs (utf8_path_name, &fsstat);
4553 #if defined (MNT_RDONLY)
4554 isreadonly = ((fsstat.f_flags & MNT_RDONLY) == MNT_RDONLY);
4555 #elif defined (MS_RDONLY)
4556 isreadonly = ((fsstat.f_flags & MS_RDONLY) == MS_RDONLY);
4558 block_size = fsstat.f_bsize;
4560 } while(ret == -1 && errno == EINTR);
4562 g_free(utf8_path_name);
4565 _wapi_set_last_error_from_errno ();
4566 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: statvfs failed: %s", __func__, strerror (errno));
4570 /* total number of free bytes for non-root */
4571 if (free_bytes_avail != NULL) {
4573 *free_bytes_avail = 0;
4576 *free_bytes_avail = block_size * (guint64)fsstat.f_bavail;
4580 /* total number of bytes available for non-root */
4581 if (total_number_of_bytes != NULL) {
4582 *total_number_of_bytes = block_size * (guint64)fsstat.f_blocks;
4585 /* total number of bytes available for root */
4586 if (total_number_of_free_bytes != NULL) {
4588 *total_number_of_free_bytes = 0;
4591 *total_number_of_free_bytes = block_size * (guint64)fsstat.f_bfree;
4599 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)
4601 if (free_bytes_avail != NULL) {
4602 *free_bytes_avail = (guint64) -1;
4605 if (total_number_of_bytes != NULL) {
4606 *total_number_of_bytes = (guint64) -1;
4609 if (total_number_of_free_bytes != NULL) {
4610 *total_number_of_free_bytes = (guint64) -1;
4618 * General Unix support
4623 const long fstypeid;
4625 const gchar* fstype;
4628 static _wapi_drive_type _wapi_drive_types[] = {
4630 { DRIVE_REMOTE, "afp" },
4631 { DRIVE_REMOTE, "autofs" },
4632 { DRIVE_CDROM, "cddafs" },
4633 { DRIVE_CDROM, "cd9660" },
4634 { DRIVE_RAMDISK, "devfs" },
4635 { DRIVE_FIXED, "exfat" },
4636 { DRIVE_RAMDISK, "fdesc" },
4637 { DRIVE_REMOTE, "ftp" },
4638 { DRIVE_FIXED, "hfs" },
4639 { DRIVE_FIXED, "msdos" },
4640 { DRIVE_REMOTE, "nfs" },
4641 { DRIVE_FIXED, "ntfs" },
4642 { DRIVE_REMOTE, "smbfs" },
4643 { DRIVE_FIXED, "udf" },
4644 { DRIVE_REMOTE, "webdav" },
4645 { DRIVE_UNKNOWN, NULL }
4647 { DRIVE_FIXED, ADFS_SUPER_MAGIC, "adfs"},
4648 { DRIVE_FIXED, AFFS_SUPER_MAGIC, "affs"},
4649 { DRIVE_REMOTE, AFS_SUPER_MAGIC, "afs"},
4650 { DRIVE_RAMDISK, AUTOFS_SUPER_MAGIC, "autofs"},
4651 { DRIVE_RAMDISK, AUTOFS_SBI_MAGIC, "autofs4"},
4652 { DRIVE_REMOTE, CODA_SUPER_MAGIC, "coda" },
4653 { DRIVE_RAMDISK, CRAMFS_MAGIC, "cramfs"},
4654 { DRIVE_RAMDISK, CRAMFS_MAGIC_WEND, "cramfs"},
4655 { DRIVE_REMOTE, CIFS_MAGIC_NUMBER, "cifs"},
4656 { DRIVE_RAMDISK, DEBUGFS_MAGIC, "debugfs"},
4657 { DRIVE_RAMDISK, SYSFS_MAGIC, "sysfs"},
4658 { DRIVE_RAMDISK, SECURITYFS_MAGIC, "securityfs"},
4659 { DRIVE_RAMDISK, SELINUX_MAGIC, "selinuxfs"},
4660 { DRIVE_RAMDISK, RAMFS_MAGIC, "ramfs"},
4661 { DRIVE_FIXED, SQUASHFS_MAGIC, "squashfs"},
4662 { DRIVE_FIXED, EFS_SUPER_MAGIC, "efs"},
4663 { DRIVE_FIXED, EXT2_SUPER_MAGIC, "ext"},
4664 { DRIVE_FIXED, EXT3_SUPER_MAGIC, "ext"},
4665 { DRIVE_FIXED, EXT4_SUPER_MAGIC, "ext"},
4666 { DRIVE_REMOTE, XENFS_SUPER_MAGIC, "xenfs"},
4667 { DRIVE_FIXED, BTRFS_SUPER_MAGIC, "btrfs"},
4668 { DRIVE_FIXED, HFS_SUPER_MAGIC, "hfs"},
4669 { DRIVE_FIXED, HFSPLUS_SUPER_MAGIC, "hfsplus"},
4670 { DRIVE_FIXED, HPFS_SUPER_MAGIC, "hpfs"},
4671 { DRIVE_RAMDISK, HUGETLBFS_MAGIC, "hugetlbfs"},
4672 { DRIVE_CDROM, ISOFS_SUPER_MAGIC, "iso"},
4673 { DRIVE_FIXED, JFFS2_SUPER_MAGIC, "jffs2"},
4674 { DRIVE_RAMDISK, ANON_INODE_FS_MAGIC, "anon_inode"},
4675 { DRIVE_FIXED, JFS_SUPER_MAGIC, "jfs"},
4676 { DRIVE_FIXED, MINIX_SUPER_MAGIC, "minix"},
4677 { DRIVE_FIXED, MINIX_SUPER_MAGIC2, "minix v2"},
4678 { DRIVE_FIXED, MINIX2_SUPER_MAGIC, "minix2"},
4679 { DRIVE_FIXED, MINIX2_SUPER_MAGIC2, "minix2 v2"},
4680 { DRIVE_FIXED, MINIX3_SUPER_MAGIC, "minix3"},
4681 { DRIVE_FIXED, MSDOS_SUPER_MAGIC, "msdos"},
4682 { DRIVE_REMOTE, NCP_SUPER_MAGIC, "ncp"},
4683 { DRIVE_REMOTE, NFS_SUPER_MAGIC, "nfs"},
4684 { DRIVE_FIXED, NTFS_SB_MAGIC, "ntfs"},
4685 { DRIVE_RAMDISK, OPENPROM_SUPER_MAGIC, "openpromfs"},
4686 { DRIVE_RAMDISK, PROC_SUPER_MAGIC, "proc"},
4687 { DRIVE_FIXED, QNX4_SUPER_MAGIC, "qnx4"},
4688 { DRIVE_FIXED, REISERFS_SUPER_MAGIC, "reiserfs"},
4689 { DRIVE_RAMDISK, ROMFS_MAGIC, "romfs"},
4690 { DRIVE_REMOTE, SMB_SUPER_MAGIC, "samba"},
4691 { DRIVE_RAMDISK, CGROUP_SUPER_MAGIC, "cgroupfs"},
4692 { DRIVE_RAMDISK, FUTEXFS_SUPER_MAGIC, "futexfs"},
4693 { DRIVE_FIXED, SYSV2_SUPER_MAGIC, "sysv2"},
4694 { DRIVE_FIXED, SYSV4_SUPER_MAGIC, "sysv4"},
4695 { DRIVE_RAMDISK, TMPFS_MAGIC, "tmpfs"},
4696 { DRIVE_RAMDISK, DEVPTS_SUPER_MAGIC, "devpts"},
4697 { DRIVE_CDROM, UDF_SUPER_MAGIC, "udf"},
4698 { DRIVE_FIXED, UFS_MAGIC, "ufs"},
4699 { DRIVE_FIXED, UFS_MAGIC_BW, "ufs"},
4700 { DRIVE_FIXED, UFS2_MAGIC, "ufs2"},
4701 { DRIVE_FIXED, UFS_CIGAM, "ufs"},
4702 { DRIVE_RAMDISK, USBDEVICE_SUPER_MAGIC, "usbdev"},
4703 { DRIVE_FIXED, XENIX_SUPER_MAGIC, "xenix"},
4704 { DRIVE_FIXED, XFS_SB_MAGIC, "xfs"},
4705 { DRIVE_RAMDISK, FUSE_SUPER_MAGIC, "fuse"},
4706 { DRIVE_FIXED, V9FS_MAGIC, "9p"},
4707 { DRIVE_REMOTE, CEPH_SUPER_MAGIC, "ceph"},
4708 { DRIVE_RAMDISK, CONFIGFS_MAGIC, "configfs"},
4709 { DRIVE_RAMDISK, ECRYPTFS_SUPER_MAGIC, "eCryptfs"},
4710 { DRIVE_FIXED, EXOFS_SUPER_MAGIC, "exofs"},
4711 { DRIVE_FIXED, VXFS_SUPER_MAGIC, "vxfs"},
4712 { DRIVE_FIXED, VXFS_OLT_MAGIC, "vxfs_olt"},
4713 { DRIVE_REMOTE, GFS2_MAGIC, "gfs2"},
4714 { DRIVE_FIXED, LOGFS_MAGIC_U32, "logfs"},
4715 { DRIVE_FIXED, OCFS2_SUPER_MAGIC, "ocfs2"},
4716 { DRIVE_FIXED, OMFS_MAGIC, "omfs"},
4717 { DRIVE_FIXED, UBIFS_SUPER_MAGIC, "ubifs"},
4718 { DRIVE_UNKNOWN, 0, NULL}
4720 { DRIVE_RAMDISK, "ramfs" },
4721 { DRIVE_RAMDISK, "tmpfs" },
4722 { DRIVE_RAMDISK, "proc" },
4723 { DRIVE_RAMDISK, "sysfs" },
4724 { DRIVE_RAMDISK, "debugfs" },
4725 { DRIVE_RAMDISK, "devpts" },
4726 { DRIVE_RAMDISK, "securityfs" },
4727 { DRIVE_CDROM, "iso9660" },
4728 { DRIVE_FIXED, "ext2" },
4729 { DRIVE_FIXED, "ext3" },
4730 { DRIVE_FIXED, "ext4" },
4731 { DRIVE_FIXED, "sysv" },
4732 { DRIVE_FIXED, "reiserfs" },
4733 { DRIVE_FIXED, "ufs" },
4734 { DRIVE_FIXED, "vfat" },
4735 { DRIVE_FIXED, "msdos" },
4736 { DRIVE_FIXED, "udf" },
4737 { DRIVE_FIXED, "hfs" },
4738 { DRIVE_FIXED, "hpfs" },
4739 { DRIVE_FIXED, "qnx4" },
4740 { DRIVE_FIXED, "ntfs" },
4741 { DRIVE_FIXED, "ntfs-3g" },
4742 { DRIVE_REMOTE, "smbfs" },
4743 { DRIVE_REMOTE, "fuse" },
4744 { DRIVE_REMOTE, "nfs" },
4745 { DRIVE_REMOTE, "nfs4" },
4746 { DRIVE_REMOTE, "cifs" },
4747 { DRIVE_REMOTE, "ncpfs" },
4748 { DRIVE_REMOTE, "coda" },
4749 { DRIVE_REMOTE, "afs" },
4750 { DRIVE_UNKNOWN, NULL }
4755 static guint32 _wapi_get_drive_type(long f_type)
4757 _wapi_drive_type *current;
4759 current = &_wapi_drive_types[0];
4760 while (current->drive_type != DRIVE_UNKNOWN) {
4761 if (current->fstypeid == f_type)
4762 return current->drive_type;
4766 return DRIVE_UNKNOWN;
4769 static guint32 _wapi_get_drive_type(const gchar* fstype)
4771 _wapi_drive_type *current;
4773 current = &_wapi_drive_types[0];
4774 while (current->drive_type != DRIVE_UNKNOWN) {
4775 if (strcmp (current->fstype, fstype) == 0)
4781 return current->drive_type;
4785 #if defined (PLATFORM_MACOSX) || defined (__linux__)
4787 GetDriveTypeFromPath (const gchar *utf8_root_path_name)
4793 res = statfs (utf8_root_path_name, &buf);
4796 return DRIVE_UNKNOWN;
4798 return _wapi_get_drive_type (buf.f_fstypename);
4800 return _wapi_get_drive_type (buf.f_type);
4805 GetDriveTypeFromPath (const gchar *utf8_root_path_name)
4813 fp = fopen ("/etc/mtab", "rt");
4817 fp = fopen ("/etc/mnttab", "rt");
4820 return(DRIVE_UNKNOWN);
4823 drive_type = DRIVE_NO_ROOT_DIR;
4827 fgets_res = fgets (buffer, 512, fp);
4829 if (fgets_res == NULL)
4831 splitted = g_strsplit (buffer, " ", 0);
4832 if (!*splitted || !*(splitted + 1) || !*(splitted + 2)) {
4833 g_strfreev (splitted);
4837 /* compare given root_path_name with the one from mtab,
4838 if length of utf8_root_path_name is zero it must be the root dir */
4839 if (strcmp (*(splitted + 1), utf8_root_path_name) == 0 ||
4840 (strcmp (*(splitted + 1), "/") == 0 && strlen (utf8_root_path_name) == 0)) {
4841 drive_type = _wapi_get_drive_type (*(splitted + 2));
4842 /* it is possible this path might be mounted again with
4843 a known type...keep looking */
4844 if (drive_type != DRIVE_UNKNOWN) {
4845 g_strfreev (splitted);
4850 g_strfreev (splitted);
4861 mono_w32file_get_drive_type(const gunichar2 *root_path_name)
4863 gchar *utf8_root_path_name;
4866 if (root_path_name == NULL) {
4867 utf8_root_path_name = g_strdup (g_get_current_dir());
4868 if (utf8_root_path_name == NULL) {
4869 return(DRIVE_NO_ROOT_DIR);
4873 utf8_root_path_name = mono_unicode_to_external (root_path_name);
4874 if (utf8_root_path_name == NULL) {
4875 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: unicode conversion returned NULL", __func__);
4876 return(DRIVE_NO_ROOT_DIR);
4879 /* strip trailing slash for compare below */
4880 if (g_str_has_suffix(utf8_root_path_name, "/") && utf8_root_path_name [1] != 0) {
4881 utf8_root_path_name[strlen(utf8_root_path_name) - 1] = 0;
4884 drive_type = GetDriveTypeFromPath (utf8_root_path_name);
4885 g_free (utf8_root_path_name);
4887 return (drive_type);
4890 #if defined (PLATFORM_MACOSX) || defined (__linux__) || defined(PLATFORM_BSD) || defined(__FreeBSD_kernel__) || defined(__HAIKU__)
4892 get_fstypename (gchar *utfpath)
4894 #if defined (PLATFORM_MACOSX) || defined (__linux__)
4897 _wapi_drive_type *current;
4901 statfs_res = statfs (utfpath, &stat);
4903 if (statfs_res == -1)
4906 return g_strdup (stat.f_fstypename);
4908 current = &_wapi_drive_types[0];
4909 while (current->drive_type != DRIVE_UNKNOWN) {
4910 if (stat.f_type == current->fstypeid)
4911 return g_strdup (current->fstype);
4921 /* Linux has struct statfs which has a different layout */
4923 mono_w32file_get_volume_information (const gunichar2 *path, gunichar2 *volumename, gint volumesize, gint *outserial, gint *maxcomp, gint *fsflags, gunichar2 *fsbuffer, gint fsbuffersize)
4927 gboolean status = FALSE;
4930 // We only support getting the file system type
4931 if (fsbuffer == NULL)
4934 utfpath = mono_unicode_to_external (path);
4935 if ((fstypename = get_fstypename (utfpath)) != NULL){
4936 gunichar2 *ret = g_utf8_to_utf16 (fstypename, -1, NULL, &len, NULL);
4937 if (ret != NULL && len < fsbuffersize){
4938 memcpy (fsbuffer, ret, len * sizeof (gunichar2));
4944 g_free (fstypename);
4952 LockFile (gpointer handle, guint32 offset_low, guint32 offset_high, guint32 length_low, guint32 length_high)
4954 MonoW32HandleFile *file_handle;
4955 off_t offset, length;
4957 if (!mono_w32handle_lookup (handle, MONO_W32HANDLE_FILE, (gpointer *)&file_handle)) {
4958 g_warning ("%s: error looking up file handle %p", __func__, handle);
4959 mono_w32error_set_last (ERROR_INVALID_HANDLE);
4963 if (!(file_handle->fileaccess & GENERIC_READ) && !(file_handle->fileaccess & GENERIC_WRITE) && !(file_handle->fileaccess & GENERIC_ALL)) {
4964 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);
4965 mono_w32error_set_last (ERROR_ACCESS_DENIED);
4969 #ifdef HAVE_LARGE_FILE_SUPPORT
4970 offset = ((gint64)offset_high << 32) | offset_low;
4971 length = ((gint64)length_high << 32) | length_low;
4973 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Locking handle %p, offset %" G_GINT64_FORMAT ", length %" G_GINT64_FORMAT, __func__,
4974 handle, (gint64) offset, (gint64) length);
4976 if (offset_high > 0 || length_high > 0) {
4977 mono_w32error_set_last (ERROR_INVALID_PARAMETER);
4980 offset = offset_low;
4981 length = length_low;
4983 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Locking handle %p, offset %" G_GINT64_FORMAT ", length %" G_GINT64_FORMAT, __func__,
4984 handle, (gint64) offset, (gint64) length);
4987 return _wapi_lock_file_region (GPOINTER_TO_UINT(handle), offset, length);
4991 UnlockFile (gpointer handle, guint32 offset_low, guint32 offset_high, guint32 length_low, guint32 length_high)
4993 MonoW32HandleFile *file_handle;
4994 off_t offset, length;
4996 if (!mono_w32handle_lookup (handle, MONO_W32HANDLE_FILE, (gpointer *)&file_handle)) {
4997 g_warning ("%s: error looking up file handle %p", __func__, handle);
4998 mono_w32error_set_last (ERROR_INVALID_HANDLE);
5002 if (!(file_handle->fileaccess & GENERIC_READ) && !(file_handle->fileaccess & GENERIC_WRITE) && !(file_handle->fileaccess & GENERIC_ALL)) {
5003 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);
5004 mono_w32error_set_last (ERROR_ACCESS_DENIED);
5008 #ifdef HAVE_LARGE_FILE_SUPPORT
5009 offset = ((gint64)offset_high << 32) | offset_low;
5010 length = ((gint64)length_high << 32) | length_low;
5012 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Unlocking handle %p, offset %" G_GINT64_FORMAT ", length %" G_GINT64_FORMAT, __func__,
5013 handle, (gint64) offset, (gint64) length);
5015 offset = offset_low;
5016 length = length_low;
5018 mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Unlocking handle %p, offset %" G_GINT64_FORMAT ", length %" G_GINT64_FORMAT, __func__, handle, (gint64) offset, (gint64) length);
5021 return _wapi_unlock_file_region (GPOINTER_TO_UINT(handle), offset, length);
5025 mono_w32file_init (void)
5027 mono_coop_mutex_init (&stdhandle_mutex);
5028 mono_coop_mutex_init (&file_share_mutex);
5030 mono_w32handle_register_ops (MONO_W32HANDLE_FILE, &_wapi_file_ops);
5031 mono_w32handle_register_ops (MONO_W32HANDLE_CONSOLE, &_wapi_console_ops);
5032 mono_w32handle_register_ops (MONO_W32HANDLE_FIND, &_wapi_find_ops);
5033 mono_w32handle_register_ops (MONO_W32HANDLE_PIPE, &_wapi_pipe_ops);
5035 /* mono_w32handle_register_capabilities (MONO_W32HANDLE_FILE, */
5036 /* MONO_W32HANDLE_CAP_WAIT); */
5037 /* mono_w32handle_register_capabilities (MONO_W32HANDLE_CONSOLE, */
5038 /* MONO_W32HANDLE_CAP_WAIT); */
5040 if (g_hasenv ("MONO_STRICT_IO_EMULATION"))
5041 lock_while_writing = TRUE;
5045 mono_w32file_cleanup (void)
5047 mono_coop_mutex_destroy (&file_share_mutex);
5049 if (file_share_table)
5050 g_hash_table_destroy (file_share_table);
5054 mono_w32file_move (gunichar2 *path, gunichar2 *dest, gint32 *error)
5058 result = MoveFile (path, dest);
5060 *error = mono_w32error_get_last ();
5065 mono_w32file_copy (gunichar2 *path, gunichar2 *dest, gboolean overwrite, gint32 *error)
5069 result = CopyFile (path, dest, !overwrite);
5071 *error = mono_w32error_get_last ();
5077 mono_w32file_replace (gunichar2 *destinationFileName, gunichar2 *sourceFileName, gunichar2 *destinationBackupFileName, guint32 flags, gint32 *error)
5081 result = ReplaceFile (destinationFileName, sourceFileName, destinationBackupFileName, flags, NULL, NULL);
5083 *error = mono_w32error_get_last ();
5088 mono_w32file_get_file_size (gpointer handle, gint32 *error)
5093 length = GetFileSize (handle, &length_hi);
5094 if(length==INVALID_FILE_SIZE) {
5095 *error=mono_w32error_get_last ();
5098 return length | ((gint64)length_hi << 32);
5102 mono_w32file_lock (gpointer handle, gint64 position, gint64 length, gint32 *error)
5106 result = LockFile (handle, position & 0xFFFFFFFF, position >> 32, length & 0xFFFFFFFF, length >> 32);
5108 *error = mono_w32error_get_last ();
5113 mono_w32file_unlock (gpointer handle, gint64 position, gint64 length, gint32 *error)
5117 result = UnlockFile (handle, position & 0xFFFFFFFF, position >> 32, length & 0xFFFFFFFF, length >> 32);
5119 *error = mono_w32error_get_last ();
5124 mono_w32file_get_console_input (void)
5126 return mono_w32file_get_std_handle (STD_INPUT_HANDLE);
5130 mono_w32file_get_console_output (void)
5132 return mono_w32file_get_std_handle (STD_OUTPUT_HANDLE);
5136 mono_w32file_get_console_error (void)
5138 return mono_w32file_get_std_handle (STD_ERROR_HANDLE);