2 * processes.c: Process handles
5 * Dick Porter (dick@ximian.com)
7 * (C) 2002-2011 Novell, Inc.
8 * Copyright 2011 Xamarin Inc
9 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
20 #include <sys/types.h>
28 #ifdef HAVE_SYS_PARAM_H
29 #include <sys/param.h>
33 #ifdef HAVE_SYS_WAIT_H
36 #ifdef HAVE_SYS_RESOURCE_H
37 #include <sys/resource.h>
40 #ifdef HAVE_SYS_MKDEV_H
41 #include <sys/mkdev.h>
48 /* sys/resource.h (for rusage) is required when using osx 10.3 (but not 10.4) */
50 #include <TargetConditionals.h>
51 #include <sys/resource.h>
58 #if defined(PLATFORM_MACOSX)
59 #define USE_OSX_LOADER
62 #if ( defined(__OpenBSD__) || defined(__FreeBSD__) ) && defined(HAVE_LINK_H)
63 #define USE_BSD_LOADER
66 #if defined(__HAIKU__)
67 #define USE_HAIKU_LOADER
70 #if defined(USE_OSX_LOADER) || defined(USE_BSD_LOADER)
72 #include <sys/sysctl.h>
73 # if !defined(__OpenBSD__)
74 # include <sys/utsname.h>
76 # if defined(__FreeBSD__)
77 # include <sys/user.h> /* struct kinfo_proc */
81 #ifdef PLATFORM_SOLARIS
82 /* procfs.h cannot be included if this define is set, but it seems to work fine if it is undefined */
83 #if _FILE_OFFSET_BITS == 64
84 #undef _FILE_OFFSET_BITS
86 #define _FILE_OFFSET_BITS 64
93 #include <KernelKit.h>
96 #include <mono/io-layer/wapi.h>
97 #include <mono/io-layer/wapi-private.h>
98 #include <mono/io-layer/handles-private.h>
99 #include <mono/io-layer/process-private.h>
100 #include <mono/io-layer/threads.h>
101 #include <mono/io-layer/io-trace.h>
102 #include <mono/utils/strenc.h>
103 #include <mono/utils/mono-path.h>
104 #include <mono/io-layer/timefuncs-private.h>
105 #include <mono/utils/mono-time.h>
106 #include <mono/utils/mono-membar.h>
107 #include <mono/utils/mono-os-mutex.h>
108 #include <mono/utils/mono-signal-handler.h>
109 #include <mono/utils/mono-proclib.h>
110 #include <mono/utils/mono-once.h>
111 #include <mono/utils/mono-logger-internals.h>
113 /* The process' environment strings */
114 #if defined(__APPLE__)
115 #if defined (TARGET_OSX)
116 /* Apple defines this in crt_externs.h but doesn't provide that header for
117 * arm-apple-darwin9. We'll manually define the symbol on Apple as it does
118 * in fact exist on all implementations (so far)
120 gchar ***_NSGetEnviron(void);
121 #define environ (*_NSGetEnviron())
123 static char *mono_environ[1] = { NULL };
124 #define environ mono_environ
125 #endif /* defined (TARGET_OSX) */
127 extern char **environ;
130 static guint32 process_wait (gpointer handle, guint32 timeout, gboolean alertable);
131 static void process_close (gpointer handle, gpointer data);
132 static gboolean is_pid_valid (pid_t pid);
134 #if !(defined(USE_OSX_LOADER) || defined(USE_BSD_LOADER) || defined(USE_HAIKU_LOADER))
136 open_process_map (int pid, const char *mode);
139 struct _WapiHandleOps _wapi_process_ops = {
140 process_close, /* close_shared */
144 process_wait, /* special_wait */
149 static struct sigaction previous_chld_sa;
151 static mono_once_t process_sig_chld_once = MONO_ONCE_INIT;
152 static void process_add_sigchld_handler (void);
154 /* The signal-safe logic to use mono_processes goes like this:
155 * - The list must be safe to traverse for the signal handler at all times.
156 * It's safe to: prepend an entry (which is a single store to 'mono_processes'),
157 * unlink an entry (assuming the unlinked entry isn't freed and doesn't
158 * change its 'next' pointer so that it can still be traversed).
159 * When cleaning up we first unlink an entry, then we verify that
160 * the read lock isn't locked. Then we can free the entry, since
161 * we know that nobody is using the old version of the list (including
162 * the unlinked entry).
163 * We also need to lock when adding and cleaning up so that those two
164 * operations don't mess with eachother. (This lock is not used in the
167 static struct MonoProcess *mono_processes = NULL;
168 static volatile gint32 mono_processes_cleaning_up = 0;
169 static mono_mutex_t mono_processes_mutex;
170 static void mono_processes_cleanup (void);
172 static gpointer current_process;
173 static char *cli_launcher;
175 static WapiHandle_process *
176 lookup_process_handle (gpointer handle)
178 WapiHandle_process *process_data;
181 ret = _wapi_lookup_handle (handle, WAPI_HANDLE_PROCESS,
182 (gpointer *)&process_data);
188 /* Check if a pid is valid - i.e. if a process exists with this pid. */
190 is_pid_valid (pid_t pid)
192 gboolean result = FALSE;
194 #if defined(HOST_WATCHOS)
195 result = TRUE; // TODO: Rewrite using sysctl
196 #elif defined(PLATFORM_MACOSX) || defined(__OpenBSD__) || defined(__FreeBSD__)
197 if (((kill(pid, 0) == 0) || (errno == EPERM)) && pid != 0)
199 #elif defined(__HAIKU__)
201 if (get_team_info ((team_id)pid, &teamInfo) == B_OK)
204 char *dir = g_strdup_printf ("/proc/%d", pid);
205 if (!access (dir, F_OK))
214 process_set_defaults (WapiHandle_process *process_handle)
216 /* These seem to be the defaults on w2k */
217 process_handle->min_working_set = 204800;
218 process_handle->max_working_set = 1413120;
220 _wapi_time_t_to_filetime (time (NULL), &process_handle->create_time);
224 len16 (const gunichar2 *str)
235 utf16_concat (const gunichar2 *first, ...)
242 va_start (args, first);
243 total += len16 (first);
244 for (s = va_arg (args, gunichar2 *); s != NULL; s = va_arg(args, gunichar2 *)){
249 ret = g_new (gunichar2, total + 1);
255 for (s = first; *s != 0; s++)
257 va_start (args, first);
258 for (s = va_arg (args, gunichar2 *); s != NULL; s = va_arg (args, gunichar2 *)){
261 for (p = s; *p != 0; p++)
269 static const gunichar2 utf16_space_bytes [2] = { 0x20, 0 };
270 static const gunichar2 *utf16_space = utf16_space_bytes;
271 static const gunichar2 utf16_quote_bytes [2] = { 0x22, 0 };
272 static const gunichar2 *utf16_quote = utf16_quote_bytes;
277 print_utf16 (gunichar2 *str)
281 res = g_utf16_to_utf8 (str, -1, NULL, NULL, NULL);
282 g_print ("%s\n", res);
287 /* Implemented as just a wrapper around CreateProcess () */
289 ShellExecuteEx (WapiShellExecuteInfo *sei)
292 WapiProcessInformation process_info;
296 /* w2k just segfaults here, but we can do better than
299 SetLastError (ERROR_INVALID_PARAMETER);
303 if (sei->lpFile == NULL)
304 /* w2k returns TRUE for this, for some reason. */
307 /* Put both executable and parameters into the second argument
308 * to CreateProcess (), so it searches $PATH. The conversion
309 * into and back out of utf8 is because there is no
310 * g_strdup_printf () equivalent for gunichar2 :-(
312 args = utf16_concat (utf16_quote, sei->lpFile, utf16_quote, sei->lpParameters == NULL ? NULL : utf16_space, sei->lpParameters, NULL);
314 SetLastError (ERROR_INVALID_DATA);
317 ret = CreateProcess (NULL, args, NULL, NULL, TRUE,
318 CREATE_UNICODE_ENVIRONMENT, NULL,
319 sei->lpDirectory, NULL, &process_info);
322 if (!ret && GetLastError () == ERROR_OUTOFMEMORY)
326 static char *handler;
327 static gunichar2 *handler_utf16;
329 if (handler_utf16 == (gunichar2 *)-1)
332 #ifdef PLATFORM_MACOSX
333 handler = g_strdup ("/usr/bin/open");
336 * On Linux, try: xdg-open, the FreeDesktop standard way of doing it,
337 * if that fails, try to use gnome-open, then kfmclient
339 handler = g_find_program_in_path ("xdg-open");
340 if (handler == NULL){
341 handler = g_find_program_in_path ("gnome-open");
342 if (handler == NULL){
343 handler = g_find_program_in_path ("kfmclient");
344 if (handler == NULL){
345 handler_utf16 = (gunichar2 *) -1;
348 /* kfmclient needs exec argument */
350 handler = g_strconcat (old, " exec",
357 handler_utf16 = g_utf8_to_utf16 (handler, -1, NULL, NULL, NULL);
360 /* Put quotes around the filename, in case it's a url
361 * that contains #'s (CreateProcess() calls
362 * g_shell_parse_argv(), which deliberately throws
363 * away anything after an unquoted #). Fixes bug
366 args = utf16_concat (handler_utf16, utf16_space, utf16_quote,
367 sei->lpFile, utf16_quote,
368 sei->lpParameters == NULL ? NULL : utf16_space,
369 sei->lpParameters, NULL);
371 SetLastError (ERROR_INVALID_DATA);
374 ret = CreateProcess (NULL, args, NULL, NULL, TRUE,
375 CREATE_UNICODE_ENVIRONMENT, NULL,
376 sei->lpDirectory, NULL, &process_info);
379 if (GetLastError () != ERROR_OUTOFMEMORY)
380 SetLastError (ERROR_INVALID_DATA);
383 /* Shell exec should not return a process handle when it spawned a GUI thing, like a browser. */
384 CloseHandle (process_info.hProcess);
385 process_info.hProcess = NULL;
388 if (sei->fMask & SEE_MASK_NOCLOSEPROCESS)
389 sei->hProcess = process_info.hProcess;
391 CloseHandle (process_info.hProcess);
397 is_managed_binary (const char *filename)
399 int original_errno = errno;
400 #if defined(HAVE_LARGE_FILE_SUPPORT) && defined(O_LARGEFILE)
401 int file = open (filename, O_RDONLY | O_LARGEFILE);
403 int file = open (filename, O_RDONLY);
406 unsigned char buffer[8];
407 off_t file_size, optional_header_offset;
408 off_t pe_header_offset;
409 gboolean managed = FALSE;
411 guint32 first_word, second_word;
413 /* If we are unable to open the file, then we definitely
414 * can't say that it is managed. The child mono process
415 * probably wouldn't be able to open it anyway.
418 errno = original_errno;
422 /* Retrieve the length of the file for future sanity checks. */
423 file_size = lseek (file, 0, SEEK_END);
424 lseek (file, 0, SEEK_SET);
426 /* We know we need to read a header field at offset 60. */
430 num_read = read (file, buffer, 2);
432 if ((num_read != 2) || (buffer[0] != 'M') || (buffer[1] != 'Z'))
435 new_offset = lseek (file, 60, SEEK_SET);
437 if (new_offset != 60)
440 num_read = read (file, buffer, 4);
444 pe_header_offset = buffer[0]
449 if (pe_header_offset + 24 > file_size)
452 new_offset = lseek (file, pe_header_offset, SEEK_SET);
454 if (new_offset != pe_header_offset)
457 num_read = read (file, buffer, 4);
459 if ((num_read != 4) || (buffer[0] != 'P') || (buffer[1] != 'E') || (buffer[2] != 0) || (buffer[3] != 0))
463 * Verify that the header we want in the optional header data
464 * is present in this binary.
466 new_offset = lseek (file, pe_header_offset + 20, SEEK_SET);
468 if (new_offset != pe_header_offset + 20)
471 num_read = read (file, buffer, 2);
473 if ((num_read != 2) || ((buffer[0] | (buffer[1] << 8)) < 216))
476 /* Read the CLR header address and size fields. These will be
477 * zero if the binary is not managed.
479 optional_header_offset = pe_header_offset + 24;
480 new_offset = lseek (file, optional_header_offset + 208, SEEK_SET);
482 if (new_offset != optional_header_offset + 208)
485 num_read = read (file, buffer, 8);
487 /* We are not concerned with endianness, only with
488 * whether it is zero or not.
490 first_word = *(guint32 *)&buffer[0];
491 second_word = *(guint32 *)&buffer[4];
493 if ((num_read != 8) || (first_word == 0) || (second_word == 0))
500 errno = original_errno;
505 CreateProcessWithLogonW (const gunichar2 *username,
506 const gunichar2 *domain,
507 const gunichar2 *password,
508 const guint32 logonFlags,
509 const gunichar2 *appname,
510 const gunichar2 *cmdline,
511 guint32 create_flags,
513 const gunichar2 *cwd,
514 WapiStartupInfo *startup,
515 WapiProcessInformation *process_info)
517 /* FIXME: use user information */
518 return CreateProcess (appname, cmdline, NULL, NULL, FALSE, create_flags, env, cwd, startup, process_info);
522 is_readable_or_executable (const char *prog)
525 int a = access (prog, R_OK);
526 int b = access (prog, X_OK);
527 if (a != 0 && b != 0)
529 if (stat (prog, &buf))
531 if (S_ISREG (buf.st_mode))
537 is_executable (const char *prog)
540 if (access (prog, X_OK) != 0)
542 if (stat (prog, &buf))
544 if (S_ISREG (buf.st_mode))
550 switch_dir_separators (char *path)
552 size_t i, pathLength = strlen(path);
554 /* Turn all the slashes round the right way, except for \' */
555 /* There are probably other characters that need to be excluded as well. */
556 for (i = 0; i < pathLength; i++) {
557 if (path[i] == '\\' && i < pathLength - 1 && path[i+1] != '\'' )
562 gboolean CreateProcess (const gunichar2 *appname, const gunichar2 *cmdline,
563 WapiSecurityAttributes *process_attrs G_GNUC_UNUSED,
564 WapiSecurityAttributes *thread_attrs G_GNUC_UNUSED,
565 gboolean inherit_handles, guint32 create_flags,
566 gpointer new_environ, const gunichar2 *cwd,
567 WapiStartupInfo *startup,
568 WapiProcessInformation *process_info)
570 #if defined (HAVE_FORK) && defined (HAVE_EXECVE)
571 char *cmd = NULL, *prog = NULL, *full_prog = NULL, *args = NULL, *args_after_prog = NULL;
572 char *dir = NULL, **env_strings = NULL, **argv = NULL;
573 guint32 i, env_count = 0;
574 gboolean ret = FALSE;
575 gpointer handle = NULL;
576 WapiHandle_process process_handle = {0}, *process_handle_data;
578 int in_fd, out_fd, err_fd;
581 int startup_pipe [2] = {-1, -1};
583 struct MonoProcess *mono_process;
584 gboolean fork_failed = FALSE;
586 mono_once (&process_sig_chld_once, process_add_sigchld_handler);
588 /* appname and cmdline specify the executable and its args:
590 * If appname is not NULL, it is the name of the executable.
591 * Otherwise the executable is the first token in cmdline.
593 * Executable searching:
595 * If appname is not NULL, it can specify the full path and
596 * file name, or else a partial name and the current directory
597 * will be used. There is no additional searching.
599 * If appname is NULL, the first whitespace-delimited token in
600 * cmdline is used. If the name does not contain a full
601 * directory path, the search sequence is:
603 * 1) The directory containing the current process
604 * 2) The current working directory
605 * 3) The windows system directory (Ignored)
606 * 4) The windows directory (Ignored)
609 * Just to make things more interesting, tokens can contain
610 * white space if they are surrounded by quotation marks. I'm
611 * beginning to understand just why windows apps are generally
612 * so crap, with an API like this :-(
614 if (appname != NULL) {
615 cmd = mono_unicode_to_external (appname);
617 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: unicode conversion returned NULL",
620 SetLastError (ERROR_PATH_NOT_FOUND);
624 switch_dir_separators(cmd);
627 if (cmdline != NULL) {
628 args = mono_unicode_to_external (cmdline);
630 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: unicode conversion returned NULL", __func__);
632 SetLastError (ERROR_PATH_NOT_FOUND);
638 dir = mono_unicode_to_external (cwd);
640 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: unicode conversion returned NULL", __func__);
642 SetLastError (ERROR_PATH_NOT_FOUND);
646 /* Turn all the slashes round the right way */
647 switch_dir_separators(dir);
651 /* We can't put off locating the executable any longer :-( */
654 if (g_ascii_isalpha (cmd[0]) && (cmd[1] == ':')) {
655 /* Strip off the drive letter. I can't
656 * believe that CP/M holdover is still
659 g_memmove (cmd, cmd+2, strlen (cmd)-2);
660 cmd[strlen (cmd)-2] = '\0';
663 unquoted = g_shell_unquote (cmd, NULL);
664 if (unquoted[0] == '/') {
665 /* Assume full path given */
666 prog = g_strdup (unquoted);
668 /* Executable existing ? */
669 if (!is_readable_or_executable (prog)) {
670 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Couldn't find executable %s",
673 SetLastError (ERROR_FILE_NOT_FOUND);
677 /* Search for file named by cmd in the current
680 char *curdir = g_get_current_dir ();
682 prog = g_strdup_printf ("%s/%s", curdir, unquoted);
685 /* And make sure it's readable */
686 if (!is_readable_or_executable (prog)) {
687 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Couldn't find executable %s",
690 SetLastError (ERROR_FILE_NOT_FOUND);
696 args_after_prog = args;
701 /* Dig out the first token from args, taking quotation
705 /* First, strip off all leading whitespace */
706 args = g_strchug (args);
708 /* args_after_prog points to the contents of args
709 * after token has been set (otherwise argv[0] is
712 args_after_prog = args;
714 /* Assume the opening quote will always be the first
717 if (args[0] == '\"' || args [0] == '\'') {
719 for (i = 1; args[i] != '\0' && args[i] != quote; i++);
720 if (args [i + 1] == '\0' || g_ascii_isspace (args[i+1])) {
721 /* We found the first token */
722 token = g_strndup (args+1, i-1);
723 args_after_prog = g_strchug (args + i + 1);
725 /* Quotation mark appeared in the
726 * middle of the token. Just give the
727 * whole first token, quotes and all,
734 /* No quote mark, or malformed */
735 for (i = 0; args[i] != '\0'; i++) {
736 if (g_ascii_isspace (args[i])) {
737 token = g_strndup (args, i);
738 args_after_prog = args + i + 1;
744 if (token == NULL && args[0] != '\0') {
745 /* Must be just one token in the string */
746 token = g_strdup (args);
747 args_after_prog = NULL;
752 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Couldn't find what to exec", __func__);
754 SetLastError (ERROR_PATH_NOT_FOUND);
758 /* Turn all the slashes round the right way. Only for
761 switch_dir_separators(token);
763 if (g_ascii_isalpha (token[0]) && (token[1] == ':')) {
764 /* Strip off the drive letter. I can't
765 * believe that CP/M holdover is still
768 g_memmove (token, token+2, strlen (token)-2);
769 token[strlen (token)-2] = '\0';
772 if (token[0] == '/') {
773 /* Assume full path given */
774 prog = g_strdup (token);
776 /* Executable existing ? */
777 if (!is_readable_or_executable (prog)) {
778 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Couldn't find executable %s",
781 SetLastError (ERROR_FILE_NOT_FOUND);
785 char *curdir = g_get_current_dir ();
787 /* FIXME: Need to record the directory
788 * containing the current process, and check
789 * that for the new executable as the first
793 prog = g_strdup_printf ("%s/%s", curdir, token);
796 /* I assume X_OK is the criterion to use,
799 * X_OK is too strict *if* the target is a CLR binary
801 if (!is_readable_or_executable (prog)) {
803 prog = g_find_program_in_path (token);
805 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Couldn't find executable %s", __func__, token);
808 SetLastError (ERROR_FILE_NOT_FOUND);
817 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Exec prog [%s] args [%s]", __func__, prog,
820 /* Check for CLR binaries; if found, we will try to invoke
821 * them using the same mono binary that started us.
823 if (is_managed_binary (prog)) {
824 gunichar2 *newapp = NULL, *newcmd;
828 newapp = mono_unicode_from_external (cli_launcher, &bytes_ignored);
830 newapp = mono_unicode_from_external ("mono", &bytes_ignored);
832 if (newapp != NULL) {
833 if (appname != NULL) {
834 newcmd = utf16_concat (utf16_quote, newapp, utf16_quote, utf16_space,
835 appname, utf16_space,
838 newcmd = utf16_concat (utf16_quote, newapp, utf16_quote, utf16_space,
842 g_free ((gunichar2 *)newapp);
844 if (newcmd != NULL) {
845 ret = CreateProcess (NULL, newcmd,
849 create_flags, new_environ,
853 g_free ((gunichar2 *)newcmd);
859 if (!is_executable (prog)) {
860 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Executable permisson not set on %s", __func__, prog);
861 SetLastError (ERROR_ACCESS_DENIED);
866 if (args_after_prog != NULL && *args_after_prog) {
869 qprog = g_shell_quote (prog);
870 full_prog = g_strconcat (qprog, " ", args_after_prog, NULL);
873 full_prog = g_shell_quote (prog);
876 ret = g_shell_parse_argv (full_prog, NULL, &argv, &gerr);
878 g_message ("CreateProcess: %s\n", gerr->message);
884 if (startup != NULL && startup->dwFlags & STARTF_USESTDHANDLES) {
885 in_fd = GPOINTER_TO_UINT (startup->hStdInput);
886 out_fd = GPOINTER_TO_UINT (startup->hStdOutput);
887 err_fd = GPOINTER_TO_UINT (startup->hStdError);
889 in_fd = GPOINTER_TO_UINT (GetStdHandle (STD_INPUT_HANDLE));
890 out_fd = GPOINTER_TO_UINT (GetStdHandle (STD_OUTPUT_HANDLE));
891 err_fd = GPOINTER_TO_UINT (GetStdHandle (STD_ERROR_HANDLE));
894 process_handle.proc_name = g_strdup (prog);
896 process_set_defaults (&process_handle);
898 handle = _wapi_handle_new (WAPI_HANDLE_PROCESS, &process_handle);
899 if (handle == _WAPI_HANDLE_INVALID) {
900 g_warning ("%s: error creating process handle", __func__);
903 SetLastError (ERROR_OUTOFMEMORY);
907 /* new_environ is a block of NULL-terminated strings, which
908 * is itself NULL-terminated. Of course, passing an array of
909 * string pointers would have made things too easy :-(
911 * If new_environ is not NULL it specifies the entire set of
912 * environment variables in the new process. Otherwise the
913 * new process inherits the same environment.
916 gunichar2 *new_environp;
918 /* Count the number of strings */
919 for (new_environp = (gunichar2 *)new_environ; *new_environp;
922 while (*new_environp) {
927 /* +2: one for the process handle value, and the last
930 env_strings = g_new0 (char *, env_count + 2);
932 /* Copy each environ string into 'strings' turning it
933 * into utf8 (or the requested encoding) at the same
937 for (new_environp = (gunichar2 *)new_environ; *new_environp;
939 env_strings[env_count] = mono_unicode_to_external (new_environp);
941 while (*new_environp) {
946 for (i = 0; environ[i] != NULL; i++)
949 /* +2: one for the process handle value, and the last
952 env_strings = g_new0 (char *, env_count + 2);
954 /* Copy each environ string into 'strings' turning it
955 * into utf8 (or the requested encoding) at the same
959 for (i = 0; environ[i] != NULL; i++) {
960 env_strings[env_count] = g_strdup (environ[i]);
965 /* Create a pipe to make sure the child doesn't exit before
966 * we can add the process to the linked list of mono_processes */
967 if (pipe (startup_pipe) == -1) {
968 /* Could not create the pipe to synchroniz process startup. We'll just not synchronize.
969 * This is just for a very hard to hit race condition in the first place */
970 startup_pipe [0] = startup_pipe [1] = -1;
971 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: new process startup not synchronized. We may not notice if the newly created process exits immediately.", __func__);
974 thr_ret = _wapi_handle_lock_shared_handles ();
975 g_assert (thr_ret == 0);
980 SetLastError (ERROR_OUTOFMEMORY);
984 } else if (pid == 0) {
987 if (startup_pipe [0] != -1) {
988 /* Wait until the parent has updated it's internal data */
989 ssize_t _i G_GNUC_UNUSED = read (startup_pipe [0], &dummy, 1);
990 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: child: parent has completed its setup", __func__);
991 close (startup_pipe [0]);
992 close (startup_pipe [1]);
995 /* should we detach from the process group? */
997 /* Connect stdin, stdout and stderr */
1002 if (inherit_handles != TRUE) {
1003 /* FIXME: do something here */
1006 /* Close all file descriptors */
1007 for (i = wapi_getdtablesize () - 1; i > 2; i--)
1010 #ifdef DEBUG_ENABLED
1011 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: exec()ing [%s] in dir [%s]", __func__, cmd,
1012 dir == NULL?".":dir);
1013 for (i = 0; argv[i] != NULL; i++)
1014 g_message ("arg %d: [%s]", i, argv[i]);
1016 for (i = 0; env_strings[i] != NULL; i++)
1017 g_message ("env %d: [%s]", i, env_strings[i]);
1021 if (dir != NULL && chdir (dir) == -1) {
1027 execve (argv[0], argv, env_strings);
1034 process_handle_data = lookup_process_handle (handle);
1035 if (!process_handle_data) {
1036 g_warning ("%s: error looking up process handle %p", __func__,
1038 _wapi_handle_unref (handle);
1042 process_handle_data->id = pid;
1044 /* Add our mono_process into the linked list of mono_processes */
1045 mono_process = (struct MonoProcess *) g_malloc0 (sizeof (struct MonoProcess));
1046 mono_process->pid = pid;
1047 mono_process->handle_count = 1;
1048 if (mono_os_sem_init (&mono_process->exit_sem, 0) != 0) {
1049 /* If we can't create the exit semaphore, we just don't add anything
1050 * to our list of mono processes. Waiting on the process will return
1052 g_warning ("%s: could not create exit semaphore for process.", strerror (errno));
1053 g_free (mono_process);
1055 /* Keep the process handle artificially alive until the process
1056 * exits so that the information in the handle isn't lost. */
1057 _wapi_handle_ref (handle);
1058 mono_process->handle = handle;
1060 process_handle_data->mono_process = mono_process;
1062 mono_os_mutex_lock (&mono_processes_mutex);
1063 mono_process->next = mono_processes;
1064 mono_processes = mono_process;
1065 mono_os_mutex_unlock (&mono_processes_mutex);
1068 if (process_info != NULL) {
1069 process_info->hProcess = handle;
1070 process_info->dwProcessId = pid;
1072 /* FIXME: we might need to handle the thread info some
1075 process_info->hThread = INVALID_HANDLE_VALUE;
1076 process_info->dwThreadId = 0;
1080 _wapi_handle_unlock_shared_handles ();
1083 _wapi_handle_unref (handle);
1085 if (startup_pipe [1] != -1) {
1086 /* Write 1 byte, doesn't matter what */
1087 ssize_t _i G_GNUC_UNUSED = write (startup_pipe [1], startup_pipe, 1);
1088 close (startup_pipe [0]);
1089 close (startup_pipe [1]);
1104 g_strfreev (env_strings);
1108 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: returning handle %p for pid %d", __func__, handle, pid);
1110 /* Check if something needs to be cleaned up. */
1111 mono_processes_cleanup ();
1115 SetLastError (ERROR_NOT_SUPPORTED);
1117 #endif // defined (HAVE_FORK) && defined (HAVE_EXECVE)
1121 process_set_name (WapiHandle_process *process_handle)
1123 char *progname, *utf8_progname, *slash;
1125 progname = g_get_prgname ();
1126 utf8_progname = mono_utf8_from_external (progname);
1128 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: using [%s] as prog name", __func__, progname);
1130 if (utf8_progname) {
1131 slash = strrchr (utf8_progname, '/');
1133 process_handle->proc_name = g_strdup (slash+1);
1135 process_handle->proc_name = g_strdup (utf8_progname);
1136 g_free (utf8_progname);
1141 wapi_processes_init (void)
1143 pid_t pid = _wapi_getpid ();
1144 WapiHandle_process process_handle = {0};
1146 _wapi_handle_register_capabilities (WAPI_HANDLE_PROCESS,
1147 (WapiHandleCapability)(WAPI_HANDLE_CAP_WAIT | WAPI_HANDLE_CAP_SPECIAL_WAIT));
1149 process_handle.id = pid;
1151 process_set_defaults (&process_handle);
1152 process_set_name (&process_handle);
1154 current_process = _wapi_handle_new (WAPI_HANDLE_PROCESS,
1156 g_assert (current_process);
1158 mono_os_mutex_init (&mono_processes_mutex);
1162 _wapi_process_duplicate (void)
1164 _wapi_handle_ref (current_process);
1166 return current_process;
1169 /* Returns a pseudo handle that doesn't need to be closed afterwards */
1171 GetCurrentProcess (void)
1173 return _WAPI_PROCESS_CURRENT;
1177 GetProcessId (gpointer handle)
1179 WapiHandle_process *process_handle;
1181 if (WAPI_IS_PSEUDO_PROCESS_HANDLE (handle))
1182 /* This is a pseudo handle */
1183 return WAPI_HANDLE_TO_PID (handle);
1185 process_handle = lookup_process_handle (handle);
1186 if (!process_handle) {
1187 SetLastError (ERROR_INVALID_HANDLE);
1191 return process_handle->id;
1195 process_open_compare (gpointer handle, gpointer user_data)
1198 WapiHandle_process *process_handle;
1201 g_assert (!WAPI_IS_PSEUDO_PROCESS_HANDLE (handle));
1203 process_handle = lookup_process_handle (handle);
1204 g_assert (process_handle);
1206 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: looking at process %d", __func__, process_handle->id);
1208 checking_pid = process_handle->id;
1210 if (checking_pid == 0)
1213 wanted_pid = GPOINTER_TO_UINT (user_data);
1215 /* It's possible to have more than one process handle with the
1216 * same pid, but only the one running process can be
1219 if (checking_pid == wanted_pid &&
1220 !_wapi_handle_issignalled (handle)) {
1221 /* If the handle is blown away in the window between
1222 * returning TRUE here and _wapi_search_handle pinging
1223 * the timestamp, the search will continue
1232 CloseProcess (gpointer handle)
1234 if (WAPI_IS_PSEUDO_PROCESS_HANDLE (handle))
1236 return CloseHandle (handle);
1240 * The caller owns the returned handle and must call CloseProcess () on it to clean it up.
1243 OpenProcess (guint32 req_access G_GNUC_UNUSED, gboolean inherit G_GNUC_UNUSED, guint32 pid)
1245 /* Find the process handle that corresponds to pid */
1246 gpointer handle = NULL;
1248 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: looking for process %d", __func__, pid);
1250 handle = _wapi_search_handle (WAPI_HANDLE_PROCESS,
1251 process_open_compare,
1252 GUINT_TO_POINTER (pid), NULL, TRUE);
1254 if (is_pid_valid (pid)) {
1255 /* Return a pseudo handle for processes we
1256 * don't have handles for
1258 return WAPI_PID_TO_HANDLE (pid);
1260 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Can't find pid %d", __func__, pid);
1262 SetLastError (ERROR_PROC_NOT_FOUND);
1268 /* _wapi_search_handle () already added a ref */
1273 GetExitCodeProcess (gpointer process, guint32 *code)
1275 WapiHandle_process *process_handle;
1281 if (WAPI_IS_PSEUDO_PROCESS_HANDLE (process)) {
1282 pid = WAPI_HANDLE_TO_PID (process);
1283 /* This is a pseudo handle, so we don't know what the
1284 * exit code was, but we can check whether it's alive or not
1286 if (is_pid_valid (pid)) {
1287 *code = STILL_ACTIVE;
1294 process_handle = lookup_process_handle (process);
1295 if (!process_handle) {
1296 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Can't find process %p", __func__, process);
1301 if (process_handle->id == _wapi_getpid ()) {
1302 *code = STILL_ACTIVE;
1306 /* A process handle is only signalled if the process has exited
1307 * and has been waited for */
1309 /* Make sure any process exit has been noticed, before
1310 * checking if the process is signalled. Fixes bug 325463.
1312 process_wait (process, 0, TRUE);
1314 if (_wapi_handle_issignalled (process))
1315 *code = process_handle->exitstatus;
1317 *code = STILL_ACTIVE;
1323 GetProcessTimes (gpointer process, WapiFileTime *create_time,
1324 WapiFileTime *exit_time, WapiFileTime *kernel_time,
1325 WapiFileTime *user_time)
1327 WapiHandle_process *process_handle;
1328 gboolean ku_times_set = FALSE;
1330 if (create_time == NULL || exit_time == NULL || kernel_time == NULL ||
1332 /* Not sure if w32 allows NULLs here or not */
1335 if (WAPI_IS_PSEUDO_PROCESS_HANDLE (process)) {
1336 gpointer pid = GINT_TO_POINTER (WAPI_HANDLE_TO_PID(process));
1337 gint64 start_ticks, user_ticks, kernel_ticks;
1339 mono_process_get_times (pid, &start_ticks, &user_ticks, &kernel_ticks);
1341 _wapi_guint64_to_filetime (start_ticks, create_time);
1342 _wapi_guint64_to_filetime (user_ticks, kernel_time);
1343 _wapi_guint64_to_filetime (kernel_ticks, user_time);
1348 process_handle = lookup_process_handle (process);
1349 if (!process_handle) {
1350 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Can't find process %p", __func__, process);
1355 *create_time = process_handle->create_time;
1357 /* A process handle is only signalled if the process has
1358 * exited. Otherwise exit_time isn't set
1360 if (_wapi_handle_issignalled (process))
1361 *exit_time = process_handle->exit_time;
1363 #ifdef HAVE_GETRUSAGE
1364 if (process_handle->id == getpid ()) {
1365 struct rusage time_data;
1366 if (getrusage (RUSAGE_SELF, &time_data) == 0) {
1368 ku_times_set = TRUE;
1369 tick_val = (guint64)time_data.ru_utime.tv_sec * 10000000 + (guint64)time_data.ru_utime.tv_usec * 10;
1370 _wapi_guint64_to_filetime (tick_val, user_time);
1371 tick_val = (guint64)time_data.ru_stime.tv_sec * 10000000 + (guint64)time_data.ru_stime.tv_usec * 10;
1372 _wapi_guint64_to_filetime (tick_val, kernel_time);
1376 if (!ku_times_set) {
1377 memset (kernel_time, 0, sizeof (WapiFileTime));
1378 memset (user_time, 0, sizeof (WapiFileTime));
1386 gpointer address_start;
1387 gpointer address_end;
1389 gpointer address_offset;
1395 static void free_procmodule (WapiProcModule *mod)
1397 if (mod->perms != NULL) {
1398 g_free (mod->perms);
1400 if (mod->filename != NULL) {
1401 g_free (mod->filename);
1406 static gint find_procmodule (gconstpointer a, gconstpointer b)
1408 WapiProcModule *want = (WapiProcModule *)a;
1409 WapiProcModule *compare = (WapiProcModule *)b;
1411 if ((want->device == compare->device) &&
1412 (want->inode == compare->inode)) {
1419 #if defined(USE_OSX_LOADER)
1420 #include <mach-o/dyld.h>
1421 #include <mach-o/getsect.h>
1423 static GSList *load_modules (void)
1426 WapiProcModule *mod;
1427 uint32_t count = _dyld_image_count ();
1430 for (i = 0; i < count; i++) {
1431 #if SIZEOF_VOID_P == 8
1432 const struct mach_header_64 *hdr;
1433 const struct section_64 *sec;
1435 const struct mach_header *hdr;
1436 const struct section *sec;
1440 name = _dyld_get_image_name (i);
1441 #if SIZEOF_VOID_P == 8
1442 hdr = (const struct mach_header_64*)_dyld_get_image_header (i);
1443 sec = getsectbynamefromheader_64 (hdr, SEG_DATA, SECT_DATA);
1445 hdr = _dyld_get_image_header (i);
1446 sec = getsectbynamefromheader (hdr, SEG_DATA, SECT_DATA);
1449 /* Some dynlibs do not have data sections on osx (#533893) */
1454 mod = g_new0 (WapiProcModule, 1);
1455 mod->address_start = GINT_TO_POINTER (sec->addr);
1456 mod->address_end = GINT_TO_POINTER (sec->addr+sec->size);
1457 mod->perms = g_strdup ("r--p");
1458 mod->address_offset = 0;
1459 mod->device = makedev (0, 0);
1461 mod->filename = g_strdup (name);
1463 if (g_slist_find_custom (ret, mod, find_procmodule) == NULL) {
1464 ret = g_slist_prepend (ret, mod);
1466 free_procmodule (mod);
1470 ret = g_slist_reverse (ret);
1474 #elif defined(USE_BSD_LOADER)
1476 static int load_modules_callback (struct dl_phdr_info *info, size_t size, void *ptr)
1478 if (size < offsetof (struct dl_phdr_info, dlpi_phnum)
1479 + sizeof (info->dlpi_phnum))
1482 struct dl_phdr_info *cpy = calloc(1, sizeof(struct dl_phdr_info));
1486 memcpy(cpy, info, sizeof(*info));
1488 g_ptr_array_add ((GPtrArray *)ptr, cpy);
1493 static GSList *load_modules (void)
1496 WapiProcModule *mod;
1497 GPtrArray *dlarray = g_ptr_array_new();
1500 if (dl_iterate_phdr(load_modules_callback, dlarray) < 0)
1503 for (i = 0; i < dlarray->len; i++) {
1504 struct dl_phdr_info *info = g_ptr_array_index (dlarray, i);
1506 mod = g_new0 (WapiProcModule, 1);
1507 mod->address_start = (gpointer)(info->dlpi_addr + info->dlpi_phdr[0].p_vaddr);
1508 mod->address_end = (gpointer)(info->dlpi_addr +
1509 info->dlpi_phdr[info->dlpi_phnum - 1].p_vaddr);
1510 mod->perms = g_strdup ("r--p");
1511 mod->address_offset = 0;
1513 mod->filename = g_strdup (info->dlpi_name);
1515 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: inode=%d, filename=%s, address_start=%p, address_end=%p", __func__,
1516 mod->inode, mod->filename, mod->address_start, mod->address_end);
1520 if (g_slist_find_custom (ret, mod, find_procmodule) == NULL) {
1521 ret = g_slist_prepend (ret, mod);
1523 free_procmodule (mod);
1527 g_ptr_array_free (dlarray, TRUE);
1529 ret = g_slist_reverse (ret);
1533 #elif defined(USE_HAIKU_LOADER)
1535 static GSList *load_modules (void)
1538 WapiProcModule *mod;
1540 image_info imageInfo;
1542 while (get_next_image_info (B_CURRENT_TEAM, &cookie, &imageInfo) == B_OK) {
1543 mod = g_new0 (WapiProcModule, 1);
1544 mod->device = imageInfo.device;
1545 mod->inode = imageInfo.node;
1546 mod->filename = g_strdup (imageInfo.name);
1547 mod->address_start = MIN (imageInfo.text, imageInfo.data);
1548 mod->address_end = MAX ((uint8_t*)imageInfo.text + imageInfo.text_size,
1549 (uint8_t*)imageInfo.data + imageInfo.data_size);
1550 mod->perms = g_strdup ("r--p");
1551 mod->address_offset = 0;
1553 if (g_slist_find_custom (ret, mod, find_procmodule) == NULL) {
1554 ret = g_slist_prepend (ret, mod);
1556 free_procmodule (mod);
1560 ret = g_slist_reverse (ret);
1565 static GSList *load_modules (FILE *fp)
1568 WapiProcModule *mod;
1569 char buf[MAXPATHLEN + 1], *p, *endp;
1570 char *start_start, *end_start, *prot_start, *offset_start;
1571 char *maj_dev_start, *min_dev_start, *inode_start, prot_buf[5];
1572 gpointer address_start, address_end, address_offset;
1573 guint32 maj_dev, min_dev;
1577 while (fgets (buf, sizeof(buf), fp)) {
1579 while (g_ascii_isspace (*p)) ++p;
1581 if (!g_ascii_isxdigit (*start_start)) {
1584 address_start = (gpointer)strtoul (start_start, &endp, 16);
1592 if (!g_ascii_isxdigit (*end_start)) {
1595 address_end = (gpointer)strtoul (end_start, &endp, 16);
1597 if (!g_ascii_isspace (*p)) {
1601 while (g_ascii_isspace (*p)) ++p;
1603 if (*prot_start != 'r' && *prot_start != '-') {
1606 memcpy (prot_buf, prot_start, 4);
1608 while (!g_ascii_isspace (*p)) ++p;
1610 while (g_ascii_isspace (*p)) ++p;
1612 if (!g_ascii_isxdigit (*offset_start)) {
1615 address_offset = (gpointer)strtoul (offset_start, &endp, 16);
1617 if (!g_ascii_isspace (*p)) {
1621 while(g_ascii_isspace (*p)) ++p;
1623 if (!g_ascii_isxdigit (*maj_dev_start)) {
1626 maj_dev = strtoul (maj_dev_start, &endp, 16);
1634 if (!g_ascii_isxdigit (*min_dev_start)) {
1637 min_dev = strtoul (min_dev_start, &endp, 16);
1639 if (!g_ascii_isspace (*p)) {
1643 while (g_ascii_isspace (*p)) ++p;
1645 if (!g_ascii_isxdigit (*inode_start)) {
1648 inode = (guint64)strtol (inode_start, &endp, 10);
1650 if (!g_ascii_isspace (*p)) {
1654 device = makedev ((int)maj_dev, (int)min_dev);
1655 if ((device == 0) &&
1660 while(g_ascii_isspace (*p)) ++p;
1661 /* p now points to the filename */
1663 mod = g_new0 (WapiProcModule, 1);
1664 mod->address_start = address_start;
1665 mod->address_end = address_end;
1666 mod->perms = g_strdup (prot_buf);
1667 mod->address_offset = address_offset;
1668 mod->device = device;
1670 mod->filename = g_strdup (g_strstrip (p));
1672 if (g_slist_find_custom (ret, mod, find_procmodule) == NULL) {
1673 ret = g_slist_prepend (ret, mod);
1675 free_procmodule (mod);
1679 ret = g_slist_reverse (ret);
1685 static gboolean match_procname_to_modulename (char *procname, char *modulename)
1687 char* lastsep = NULL;
1688 char* lastsep2 = NULL;
1691 gboolean result = FALSE;
1693 if (procname == NULL || modulename == NULL)
1696 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: procname=\"%s\", modulename=\"%s\"", __func__, procname, modulename);
1697 pname = mono_path_resolve_symlinks (procname);
1698 mname = mono_path_resolve_symlinks (modulename);
1700 if (!strcmp (pname, mname))
1704 lastsep = strrchr (mname, '/');
1706 if (!strcmp (lastsep+1, pname))
1709 lastsep2 = strrchr (pname, '/');
1712 if (!strcmp (lastsep+1, lastsep2+1))
1715 if (!strcmp (mname, lastsep2+1))
1725 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: result is %d", __func__, result);
1729 #if !(defined(USE_OSX_LOADER) || defined(USE_BSD_LOADER) || defined(USE_HAIKU_LOADER))
1731 open_process_map (int pid, const char *mode)
1734 const char *proc_path[] = {
1735 "/proc/%d/maps", /* GNU/Linux */
1736 "/proc/%d/map", /* FreeBSD */
1742 for (i = 0; fp == NULL && proc_path [i]; i++) {
1743 filename = g_strdup_printf (proc_path[i], pid);
1744 fp = fopen (filename, mode);
1752 static char *get_process_name_from_proc (pid_t pid);
1754 gboolean EnumProcessModules (gpointer process, gpointer *modules,
1755 guint32 size, guint32 *needed)
1757 WapiHandle_process *process_handle;
1758 #if !defined(USE_OSX_LOADER) && !defined(USE_BSD_LOADER)
1761 GSList *mods = NULL;
1762 WapiProcModule *module;
1763 guint32 count, avail = size / sizeof(gpointer);
1766 char *proc_name = NULL;
1768 /* Store modules in an array of pointers (main module as
1769 * modules[0]), using the load address for each module as a
1770 * token. (Use 'NULL' as an alternative for the main module
1771 * so that the simple implementation can just return one item
1772 * for now.) Get the info from /proc/<pid>/maps on linux,
1773 * /proc/<pid>/map on FreeBSD, other systems will have to
1774 * implement /dev/kmem reading or whatever other horrid
1775 * technique is needed.
1777 if (size < sizeof(gpointer))
1780 if (WAPI_IS_PSEUDO_PROCESS_HANDLE (process)) {
1781 pid = WAPI_HANDLE_TO_PID (process);
1782 proc_name = get_process_name_from_proc (pid);
1784 process_handle = lookup_process_handle (process);
1785 if (!process_handle) {
1786 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Can't find process %p", __func__, process);
1790 pid = process_handle->id;
1791 proc_name = g_strdup (process_handle->proc_name);
1794 #if defined(USE_OSX_LOADER) || defined(USE_BSD_LOADER) || defined(USE_HAIKU_LOADER)
1795 mods = load_modules ();
1798 *needed = sizeof(gpointer);
1802 fp = open_process_map (pid, "r");
1804 /* No /proc/<pid>/maps so just return the main module
1808 *needed = sizeof(gpointer);
1812 mods = load_modules (fp);
1815 count = g_slist_length (mods);
1817 /* count + 1 to leave slot 0 for the main module */
1818 *needed = sizeof(gpointer) * (count + 1);
1821 * Use the NULL shortcut, as the first line in
1822 * /proc/<pid>/maps isn't the executable, and we need
1823 * that first in the returned list. Check the module name
1824 * to see if it ends with the proc name and substitute
1825 * the first entry with it. FIXME if this turns out to
1829 for (i = 0; i < (avail - 1) && i < count; i++) {
1830 module = (WapiProcModule *)g_slist_nth_data (mods, i);
1831 if (modules[0] != NULL)
1832 modules[i] = module->address_start;
1833 else if (match_procname_to_modulename (proc_name, module->filename))
1834 modules[0] = module->address_start;
1836 modules[i + 1] = module->address_start;
1839 for (i = 0; i < count; i++) {
1840 free_procmodule ((WapiProcModule *)g_slist_nth_data (mods, i));
1842 g_slist_free (mods);
1849 get_process_name_from_proc (pid_t pid)
1851 #if defined(USE_BSD_LOADER)
1854 struct kinfo_proc *pi;
1855 #elif defined(USE_OSX_LOADER)
1856 #if !(!defined (__mono_ppc__) && defined (TARGET_OSX))
1858 struct kinfo_proc *pi;
1859 int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, pid };
1863 char *filename = NULL;
1868 #if defined(PLATFORM_SOLARIS)
1869 filename = g_strdup_printf ("/proc/%d/psinfo", pid);
1870 if ((fp = fopen (filename, "r")) != NULL) {
1874 nread = fread (&info, sizeof (info), 1, fp);
1876 ret = g_strdup (info.pr_fname);
1882 #elif defined(USE_OSX_LOADER)
1883 #if !defined (__mono_ppc__) && defined (TARGET_OSX)
1884 /* No proc name on OSX < 10.5 nor ppc nor iOS */
1885 memset (buf, '\0', sizeof(buf));
1886 proc_name (pid, buf, sizeof(buf));
1888 // Fixes proc_name triming values to 15 characters #32539
1889 if (strlen (buf) >= MAXCOMLEN - 1) {
1890 char path_buf [PROC_PIDPATHINFO_MAXSIZE];
1894 memset (path_buf, '\0', sizeof(path_buf));
1895 path_len = proc_pidpath (pid, path_buf, sizeof(path_buf));
1897 if (path_len > 0 && path_len < sizeof(path_buf)) {
1898 name_buf = path_buf + path_len;
1899 for(;name_buf > path_buf; name_buf--) {
1900 if (name_buf [0] == '/') {
1906 if (memcmp (buf, name_buf, MAXCOMLEN - 1) == 0)
1907 ret = g_strdup (name_buf);
1911 if (ret == NULL && strlen (buf) > 0)
1912 ret = g_strdup (buf);
1914 if (sysctl(mib, 4, NULL, &size, NULL, 0) < 0)
1917 if ((pi = malloc(size)) == NULL)
1920 if (sysctl (mib, 4, pi, &size, NULL, 0) < 0) {
1921 if (errno == ENOMEM) {
1923 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Didn't allocate enough memory for kproc info", __func__);
1928 if (strlen (pi->kp_proc.p_comm) > 0)
1929 ret = g_strdup (pi->kp_proc.p_comm);
1933 #elif defined(USE_BSD_LOADER)
1934 #if defined(__FreeBSD__)
1936 mib [1] = KERN_PROC;
1937 mib [2] = KERN_PROC_PID;
1939 if (sysctl(mib, 4, NULL, &size, NULL, 0) < 0) {
1940 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: sysctl() failed: %d", __func__, errno);
1944 if ((pi = malloc(size)) == NULL)
1947 if (sysctl (mib, 4, pi, &size, NULL, 0) < 0) {
1948 if (errno == ENOMEM) {
1950 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Didn't allocate enough memory for kproc info", __func__);
1955 if (strlen (pi->ki_comm) > 0)
1956 ret = g_strdup (pi->ki_comm);
1958 #elif defined(__OpenBSD__)
1960 mib [1] = KERN_PROC;
1961 mib [2] = KERN_PROC_PID;
1963 mib [4] = sizeof(struct kinfo_proc);
1967 if (sysctl(mib, 6, NULL, &size, NULL, 0) < 0) {
1968 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: sysctl() failed: %d", __func__, errno);
1972 if ((pi = malloc(size)) == NULL)
1975 mib[5] = (int)(size / sizeof(struct kinfo_proc));
1977 if ((sysctl (mib, 6, pi, &size, NULL, 0) < 0) ||
1978 (size != sizeof (struct kinfo_proc))) {
1979 if (errno == ENOMEM) {
1986 if (strlen (pi->p_comm) > 0)
1987 ret = g_strdup (pi->p_comm);
1991 #elif defined(USE_HAIKU_LOADER)
1992 image_info imageInfo;
1995 if (get_next_image_info ((team_id)pid, &cookie, &imageInfo) == B_OK) {
1996 ret = g_strdup (imageInfo.name);
1999 memset (buf, '\0', sizeof(buf));
2000 filename = g_strdup_printf ("/proc/%d/exe", pid);
2001 if (readlink (filename, buf, 255) > 0) {
2002 ret = g_strdup (buf);
2010 filename = g_strdup_printf ("/proc/%d/cmdline", pid);
2011 if ((fp = fopen (filename, "r")) != NULL) {
2012 if (fgets (buf, 256, fp) != NULL) {
2013 ret = g_strdup (buf);
2024 filename = g_strdup_printf ("/proc/%d/stat", pid);
2025 if ((fp = fopen (filename, "r")) != NULL) {
2026 if (fgets (buf, 256, fp) != NULL) {
2029 start = strchr (buf, '(');
2030 if (start != NULL) {
2031 end = strchr (start + 1, ')');
2034 ret = g_strndup (start + 1,
2049 * wapi_process_get_path:
2051 * Return the full path of the executable of the process PID, or NULL if it cannot be determined.
2052 * Returns malloc-ed memory.
2055 wapi_process_get_path (pid_t pid)
2057 #if defined(PLATFORM_MACOSX) && !defined(__mono_ppc__) && defined(TARGET_OSX)
2058 char buf [PROC_PIDPATHINFO_MAXSIZE];
2061 res = proc_pidpath (pid, buf, sizeof (buf));
2064 if (buf [0] == '\0')
2066 return g_strdup (buf);
2068 return get_process_name_from_proc (pid);
2073 * wapi_process_set_cli_launcher:
2075 * Set the full path of the runtime executable used to launch managed exe's.
2078 wapi_process_set_cli_launcher (char *path)
2080 g_free (cli_launcher);
2081 cli_launcher = path ? g_strdup (path) : NULL;
2085 get_module_name (gpointer process, gpointer module,
2086 gunichar2 *basename, guint32 size,
2089 WapiHandle_process *process_handle;
2091 gunichar2 *procname;
2092 char *procname_ext = NULL;
2095 #if !defined(USE_OSX_LOADER) && !defined(USE_BSD_LOADER)
2098 GSList *mods = NULL;
2099 WapiProcModule *found_module;
2102 char *proc_name = NULL;
2104 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Getting module base name, process handle %p module %p",
2105 __func__, process, module);
2107 size = size * sizeof (gunichar2); /* adjust for unicode characters */
2109 if (basename == NULL || size == 0)
2112 if (WAPI_IS_PSEUDO_PROCESS_HANDLE (process)) {
2113 /* This is a pseudo handle */
2114 pid = (pid_t)WAPI_HANDLE_TO_PID (process);
2115 proc_name = get_process_name_from_proc (pid);
2117 process_handle = lookup_process_handle (process);
2118 if (!process_handle) {
2119 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Can't find process %p", __func__,
2124 pid = process_handle->id;
2125 proc_name = g_strdup (process_handle->proc_name);
2128 /* Look up the address in /proc/<pid>/maps */
2129 #if defined(USE_OSX_LOADER) || defined(USE_BSD_LOADER) || defined(USE_HAIKU_LOADER)
2130 mods = load_modules ();
2132 fp = open_process_map (pid, "r");
2134 if (errno == EACCES && module == NULL && base == TRUE) {
2135 procname_ext = get_process_name_from_proc (pid);
2137 /* No /proc/<pid>/maps, so just return failure
2144 mods = load_modules (fp);
2148 count = g_slist_length (mods);
2150 /* If module != NULL compare the address.
2151 * If module == NULL we are looking for the main module.
2152 * The best we can do for now check it the module name end with the process name.
2154 for (i = 0; i < count; i++) {
2155 found_module = (WapiProcModule *)g_slist_nth_data (mods, i);
2156 if (procname_ext == NULL &&
2157 ((module == NULL && match_procname_to_modulename (proc_name, found_module->filename)) ||
2158 (module != NULL && found_module->address_start == module))) {
2160 procname_ext = g_path_get_basename (found_module->filename);
2162 procname_ext = g_strdup (found_module->filename);
2165 free_procmodule (found_module);
2168 if (procname_ext == NULL) {
2169 /* If it's *still* null, we might have hit the
2170 * case where reading /proc/$pid/maps gives an
2171 * empty file for this user.
2173 procname_ext = get_process_name_from_proc (pid);
2176 g_slist_free (mods);
2180 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Process name is [%s]", __func__,
2183 procname = mono_unicode_from_external (procname_ext, &bytes);
2184 if (procname == NULL) {
2186 g_free (procname_ext);
2192 /* Add the terminator */
2196 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Size %d smaller than needed (%ld); truncating", __func__, size, bytes);
2198 memcpy (basename, procname, size);
2200 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Size %d larger than needed (%ld)",
2201 __func__, size, bytes);
2203 memcpy (basename, procname, bytes);
2207 g_free (procname_ext);
2216 get_module_filename (gpointer process, gpointer module,
2217 gunichar2 *basename, guint32 size)
2222 gunichar2 *proc_path;
2224 size *= sizeof (gunichar2); /* adjust for unicode characters */
2226 if (basename == NULL || size == 0)
2229 pid = GetProcessId (process);
2231 path = wapi_process_get_path (pid);
2235 proc_path = mono_unicode_from_external (path, &bytes);
2238 if (proc_path == NULL)
2243 /* Add the terminator */
2247 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Size %d smaller than needed (%ld); truncating", __func__, size, bytes);
2249 memcpy (basename, proc_path, size);
2251 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Size %d larger than needed (%ld)",
2252 __func__, size, bytes);
2254 memcpy (basename, proc_path, bytes);
2263 GetModuleBaseName (gpointer process, gpointer module,
2264 gunichar2 *basename, guint32 size)
2266 return get_module_name (process, module, basename, size, TRUE);
2270 GetModuleFileNameEx (gpointer process, gpointer module,
2271 gunichar2 *filename, guint32 size)
2273 return get_module_filename (process, module, filename, size);
2277 GetModuleInformation (gpointer process, gpointer module,
2278 WapiModuleInfo *modinfo, guint32 size)
2280 WapiHandle_process *process_handle;
2282 #if !defined(USE_OSX_LOADER) && !defined(USE_BSD_LOADER)
2285 GSList *mods = NULL;
2286 WapiProcModule *found_module;
2289 gboolean ret = FALSE;
2290 char *proc_name = NULL;
2292 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Getting module info, process handle %p module %p",
2293 __func__, process, module);
2295 if (modinfo == NULL || size < sizeof (WapiModuleInfo))
2298 if (WAPI_IS_PSEUDO_PROCESS_HANDLE (process)) {
2299 pid = (pid_t)WAPI_HANDLE_TO_PID (process);
2300 proc_name = get_process_name_from_proc (pid);
2302 process_handle = lookup_process_handle (process);
2303 if (!process_handle) {
2304 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Can't find process %p", __func__,
2309 pid = process_handle->id;
2310 proc_name = g_strdup (process_handle->proc_name);
2313 #if defined(USE_OSX_LOADER) || defined(USE_BSD_LOADER) || defined(USE_HAIKU_LOADER)
2314 mods = load_modules ();
2316 /* Look up the address in /proc/<pid>/maps */
2317 if ((fp = open_process_map (pid, "r")) == NULL) {
2318 /* No /proc/<pid>/maps, so just return failure
2324 mods = load_modules (fp);
2327 count = g_slist_length (mods);
2329 /* If module != NULL compare the address.
2330 * If module == NULL we are looking for the main module.
2331 * The best we can do for now check it the module name end with the process name.
2333 for (i = 0; i < count; i++) {
2334 found_module = (WapiProcModule *)g_slist_nth_data (mods, i);
2336 ((module == NULL && match_procname_to_modulename (proc_name, found_module->filename)) ||
2337 (module != NULL && found_module->address_start == module))) {
2338 modinfo->lpBaseOfDll = found_module->address_start;
2339 modinfo->SizeOfImage = (gsize)(found_module->address_end) - (gsize)(found_module->address_start);
2340 modinfo->EntryPoint = found_module->address_offset;
2344 free_procmodule (found_module);
2347 g_slist_free (mods);
2354 GetProcessWorkingSetSize (gpointer process, size_t *min, size_t *max)
2356 WapiHandle_process *process_handle;
2358 if (min == NULL || max == NULL)
2359 /* Not sure if w32 allows NULLs here or not */
2362 if (WAPI_IS_PSEUDO_PROCESS_HANDLE (process))
2363 /* This is a pseudo handle, so just fail for now */
2366 process_handle = lookup_process_handle (process);
2367 if (!process_handle) {
2368 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Can't find process %p", __func__, process);
2373 *min = process_handle->min_working_set;
2374 *max = process_handle->max_working_set;
2380 SetProcessWorkingSetSize (gpointer process, size_t min, size_t max)
2382 WapiHandle_process *process_handle;
2384 if (WAPI_IS_PSEUDO_PROCESS_HANDLE (process))
2385 /* This is a pseudo handle, so just fail for now
2389 process_handle = lookup_process_handle (process);
2390 if (!process_handle) {
2391 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Can't find process %p", __func__, process);
2396 process_handle->min_working_set = min;
2397 process_handle->max_working_set = max;
2404 TerminateProcess (gpointer process, gint32 exitCode)
2406 #if defined(HAVE_KILL)
2407 WapiHandle_process *process_handle;
2412 if (WAPI_IS_PSEUDO_PROCESS_HANDLE (process)) {
2413 /* This is a pseudo handle */
2414 pid = (pid_t)WAPI_HANDLE_TO_PID (process);
2416 process_handle = lookup_process_handle (process);
2417 if (!process_handle) {
2418 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: Can't find process %p", __func__, process);
2419 SetLastError (ERROR_INVALID_HANDLE);
2422 pid = process_handle->id;
2425 signo = (exitCode == -1) ? SIGKILL : SIGTERM;
2426 ret = kill (pid, signo);
2430 SetLastError (ERROR_INVALID_PARAMETER);
2433 SetLastError (ERROR_ACCESS_DENIED);
2436 SetLastError (ERROR_PROC_NOT_FOUND);
2439 SetLastError (ERROR_GEN_FAILURE);
2445 g_error ("kill() is not supported by this platform");
2451 GetPriorityClass (gpointer process)
2453 #ifdef HAVE_GETPRIORITY
2454 WapiHandle_process *process_handle;
2458 if (WAPI_IS_PSEUDO_PROCESS_HANDLE (process)) {
2459 /* This is a pseudo handle */
2460 pid = (pid_t)WAPI_HANDLE_TO_PID (process);
2462 process_handle = lookup_process_handle (process);
2463 if (!process_handle) {
2464 SetLastError (ERROR_INVALID_HANDLE);
2467 pid = process_handle->id;
2471 ret = getpriority (PRIO_PROCESS, pid);
2472 if (ret == -1 && errno != 0) {
2476 SetLastError (ERROR_ACCESS_DENIED);
2479 SetLastError (ERROR_PROC_NOT_FOUND);
2482 SetLastError (ERROR_GEN_FAILURE);
2488 return NORMAL_PRIORITY_CLASS;
2490 return REALTIME_PRIORITY_CLASS;
2492 return HIGH_PRIORITY_CLASS;
2494 return ABOVE_NORMAL_PRIORITY_CLASS;
2496 return IDLE_PRIORITY_CLASS;
2498 return BELOW_NORMAL_PRIORITY_CLASS;
2500 return NORMAL_PRIORITY_CLASS;
2502 SetLastError (ERROR_NOT_SUPPORTED);
2508 SetPriorityClass (gpointer process, guint32 priority_class)
2510 #ifdef HAVE_SETPRIORITY
2511 WapiHandle_process *process_handle;
2516 if (WAPI_IS_PSEUDO_PROCESS_HANDLE (process)) {
2517 /* This is a pseudo handle */
2518 pid = (pid_t)WAPI_HANDLE_TO_PID (process);
2520 process_handle = lookup_process_handle (process);
2521 if (!process_handle) {
2522 SetLastError (ERROR_INVALID_HANDLE);
2525 pid = process_handle->id;
2528 switch (priority_class) {
2529 case IDLE_PRIORITY_CLASS:
2532 case BELOW_NORMAL_PRIORITY_CLASS:
2535 case NORMAL_PRIORITY_CLASS:
2538 case ABOVE_NORMAL_PRIORITY_CLASS:
2541 case HIGH_PRIORITY_CLASS:
2544 case REALTIME_PRIORITY_CLASS:
2548 SetLastError (ERROR_INVALID_PARAMETER);
2552 ret = setpriority (PRIO_PROCESS, pid, prio);
2557 SetLastError (ERROR_ACCESS_DENIED);
2560 SetLastError (ERROR_PROC_NOT_FOUND);
2563 SetLastError (ERROR_GEN_FAILURE);
2569 SetLastError (ERROR_NOT_SUPPORTED);
2575 mono_processes_cleanup (void)
2577 struct MonoProcess *mp;
2578 struct MonoProcess *prev = NULL;
2579 GSList *finished = NULL;
2581 gpointer unref_handle;
2583 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s", __func__);
2585 /* Ensure we're not in here in multiple threads at once, nor recursive. */
2586 if (InterlockedCompareExchange (&mono_processes_cleaning_up, 1, 0) != 0)
2589 for (mp = mono_processes; mp; mp = mp->next) {
2590 if (mp->pid == 0 && mp->handle) {
2591 /* This process has exited and we need to remove the artifical ref
2593 mono_os_mutex_lock (&mono_processes_mutex);
2594 unref_handle = mp->handle;
2596 mono_os_mutex_unlock (&mono_processes_mutex);
2598 _wapi_handle_unref (unref_handle);
2603 * Remove processes which exited from the mono_processes list.
2604 * We need to synchronize with the sigchld handler here, which runs
2605 * asynchronously. The handler requires that the mono_processes list
2608 mono_os_mutex_lock (&mono_processes_mutex);
2610 mp = mono_processes;
2612 if (mp->handle_count == 0 && mp->freeable) {
2615 * This code can run parallel with the sigchld handler, but the
2616 * modifications it makes are safe.
2618 if (mp == mono_processes)
2619 mono_processes = mp->next;
2621 prev->next = mp->next;
2622 finished = g_slist_prepend (finished, mp);
2631 mono_memory_barrier ();
2633 for (l = finished; l; l = l->next) {
2635 * All the entries in the finished list are unlinked from mono_processes, and
2636 * they have the 'finished' flag set, which means the sigchld handler is done
2639 mp = (MonoProcess *)l->data;
2640 mono_os_sem_destroy (&mp->exit_sem);
2643 g_slist_free (finished);
2645 mono_os_mutex_unlock (&mono_processes_mutex);
2647 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s done", __func__);
2649 InterlockedDecrement (&mono_processes_cleaning_up);
2653 process_close (gpointer handle, gpointer data)
2655 WapiHandle_process *process_handle;
2657 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s", __func__);
2659 process_handle = (WapiHandle_process *) data;
2660 g_free (process_handle->proc_name);
2661 process_handle->proc_name = NULL;
2662 if (process_handle->mono_process)
2663 InterlockedDecrement (&process_handle->mono_process->handle_count);
2664 mono_processes_cleanup ();
2668 MONO_SIGNAL_HANDLER_FUNC (static, mono_sigchld_signal_handler, (int _dummy, siginfo_t *info, void *context))
2672 struct MonoProcess *p;
2674 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "SIG CHILD handler for pid: %i\n", info->si_pid);
2678 pid = waitpid (-1, &status, WNOHANG);
2679 } while (pid == -1 && errno == EINTR);
2684 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "child ended: %i", pid);
2687 * This can run concurrently with the code in the rest of this module.
2689 for (p = mono_processes; p; p = p->next) {
2690 if (p->pid == pid) {
2695 p->pid = 0; /* this pid doesn't exist anymore, clear it */
2697 mono_os_sem_post (&p->exit_sem);
2698 mono_memory_barrier ();
2699 /* Mark this as freeable, the pointer becomes invalid afterwards */
2704 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "SIG CHILD handler: done looping.");
2710 process_add_sigchld_handler (void)
2713 struct sigaction sa;
2715 sa.sa_sigaction = mono_sigchld_signal_handler;
2716 sigemptyset (&sa.sa_mask);
2717 sa.sa_flags = SA_NOCLDSTOP | SA_SIGINFO;
2718 g_assert (sigaction (SIGCHLD, &sa, &previous_chld_sa) != -1);
2719 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "Added SIGCHLD handler");
2724 process_wait (gpointer handle, guint32 timeout, gboolean alertable)
2726 WapiHandle_process *process_handle;
2727 pid_t pid G_GNUC_UNUSED, ret;
2731 struct MonoProcess *mp;
2733 /* FIXME: We can now easily wait on processes that aren't our own children,
2734 * but WaitFor*Object won't call us for pseudo handles. */
2735 g_assert ((GPOINTER_TO_UINT (handle) & _WAPI_PROCESS_UNHANDLED) != _WAPI_PROCESS_UNHANDLED);
2737 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s (%p, %u)", __func__, handle, timeout);
2739 process_handle = lookup_process_handle (handle);
2740 if (!process_handle) {
2741 g_warning ("%s: error looking up process handle %p", __func__, handle);
2745 if (process_handle->exited) {
2746 /* We've already done this one */
2747 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s (%p, %u): Process already exited", __func__, handle, timeout);
2748 return WAIT_OBJECT_0;
2751 pid = process_handle->id;
2753 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s (%p, %u): PID: %d", __func__, handle, timeout, pid);
2755 /* We don't need to lock mono_processes here, the entry
2756 * has a handle_count > 0 which means it will not be freed. */
2757 mp = process_handle->mono_process;
2761 if (pid == mono_process_current_pid ()) {
2762 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s (%p, %u): waiting on current process", __func__, handle, timeout);
2763 return WAIT_TIMEOUT;
2766 /* This path is used when calling Process.HasExited, so
2767 * it is only used to poll the state of the process, not
2768 * to actually wait on it to exit */
2769 g_assert (timeout == 0);
2771 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s (%p, %u): waiting on non-child process", __func__, handle, timeout);
2773 res = waitpid (pid, &status, WNOHANG);
2775 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s (%p, %u): non-child process WAIT_TIMEOUT", __func__, handle, timeout);
2776 return WAIT_TIMEOUT;
2779 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s (%p, %u): non-child process waited successfully", __func__, handle, timeout);
2780 return WAIT_OBJECT_0;
2783 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s (%p, %u): non-child process WAIT_FAILED, error : %s (%d))", __func__, handle, timeout, g_strerror (errno), errno);
2787 start = mono_msec_ticks ();
2791 if (timeout != INFINITE) {
2792 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s (%p, %u): waiting on semaphore for %li ms...",
2793 __func__, handle, timeout, (timeout - (now - start)));
2794 ret = mono_os_sem_timedwait (&mp->exit_sem, (timeout - (now - start)), alertable ? MONO_SEM_FLAGS_ALERTABLE : MONO_SEM_FLAGS_NONE);
2796 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s (%p, %u): waiting on semaphore forever...",
2797 __func__, handle, timeout);
2798 ret = mono_os_sem_wait (&mp->exit_sem, alertable ? MONO_SEM_FLAGS_ALERTABLE : MONO_SEM_FLAGS_NONE);
2801 if (ret == -1 && errno != EINTR && errno != ETIMEDOUT) {
2802 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s (%p, %u): sem_timedwait failure: %s",
2803 __func__, handle, timeout, g_strerror (errno));
2804 /* Should we return a failure here? */
2808 /* Success, process has exited */
2809 mono_os_sem_post (&mp->exit_sem);
2814 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s (%p, %u): WAIT_TIMEOUT (timeout = 0)", __func__, handle, timeout);
2815 return WAIT_TIMEOUT;
2818 now = mono_msec_ticks ();
2819 if (now - start >= timeout) {
2820 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s (%p, %u): WAIT_TIMEOUT", __func__, handle, timeout);
2821 return WAIT_TIMEOUT;
2824 if (alertable && _wapi_thread_cur_apc_pending ()) {
2825 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s (%p, %u): WAIT_IO_COMPLETION", __func__, handle, timeout);
2826 return WAIT_IO_COMPLETION;
2830 /* Process must have exited */
2831 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s (%p, %u): Waited successfully", __func__, handle, timeout);
2833 ret = _wapi_handle_lock_shared_handles ();
2834 g_assert (ret == 0);
2836 status = mp ? mp->status : 0;
2837 if (WIFSIGNALED (status))
2838 process_handle->exitstatus = 128 + WTERMSIG (status);
2840 process_handle->exitstatus = WEXITSTATUS (status);
2841 _wapi_time_t_to_filetime (time (NULL), &process_handle->exit_time);
2843 process_handle->exited = TRUE;
2845 MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s (%p, %u): Setting pid %d signalled, exit status %d",
2846 __func__, handle, timeout, process_handle->id, process_handle->exitstatus);
2848 _wapi_handle_set_signal_state (handle, TRUE, TRUE);
2850 _wapi_handle_unlock_shared_handles ();
2852 return WAIT_OBJECT_0;
2856 wapi_processes_cleanup (void)
2858 g_free (cli_launcher);