2 * processes.c: Process handles
5 * Dick Porter (dick@ximian.com)
7 * (C) 2002-2006 Novell, Inc.
18 #include <sys/types.h>
24 #include <sys/resource.h>
26 #include <sys/param.h>
29 #ifdef HAVE_SYS_MKDEV_H
30 #include <sys/mkdev.h>
33 /* sys/resource.h (for rusage) is required when using osx 10.3 (but not 10.4) */
35 #include <sys/resource.h>
38 #include <mono/io-layer/wapi.h>
39 #include <mono/io-layer/wapi-private.h>
40 #include <mono/io-layer/handles-private.h>
41 #include <mono/io-layer/misc-private.h>
42 #include <mono/io-layer/mono-mutex.h>
43 #include <mono/io-layer/process-private.h>
44 #include <mono/io-layer/threads.h>
45 #include <mono/utils/strenc.h>
46 #include <mono/io-layer/timefuncs-private.h>
48 /* The process' environment strings */
50 /* Apple defines this in crt_externs.h but doesn't provide that header for
51 * arm-apple-darwin9. We'll manually define the symbol on Apple as it does
52 * in fact exist on all implementations (so far)
54 gchar
***_NSGetEnviron();
55 #define environ (*_NSGetEnviron())
57 extern char **environ
;
62 static guint32
process_wait (gpointer handle
, guint32 timeout
);
64 struct _WapiHandleOps _wapi_process_ops
= {
65 NULL
, /* close_shared */
69 process_wait
, /* special_wait */
73 static mono_once_t process_current_once
=MONO_ONCE_INIT
;
74 static gpointer current_process
=NULL
;
76 static mono_once_t process_ops_once
=MONO_ONCE_INIT
;
78 static void process_ops_init (void)
80 _wapi_handle_register_capabilities (WAPI_HANDLE_PROCESS
,
81 WAPI_HANDLE_CAP_WAIT
|
82 WAPI_HANDLE_CAP_SPECIAL_WAIT
);
85 static gboolean
process_set_termination_details (gpointer handle
, int status
)
87 struct _WapiHandle_process
*process_handle
;
91 g_assert ((GPOINTER_TO_UINT (handle
) & _WAPI_PROCESS_UNHANDLED
) != _WAPI_PROCESS_UNHANDLED
);
93 ok
= _wapi_lookup_handle (handle
, WAPI_HANDLE_PROCESS
,
94 (gpointer
*)&process_handle
);
96 g_warning ("%s: error looking up process handle %p",
101 thr_ret
= _wapi_handle_lock_shared_handles ();
102 g_assert (thr_ret
== 0);
104 if (WIFSIGNALED(status
)) {
105 process_handle
->exitstatus
= 128 + WTERMSIG(status
);
107 process_handle
->exitstatus
= WEXITSTATUS(status
);
109 _wapi_time_t_to_filetime (time(NULL
), &process_handle
->exit_time
);
111 /* Don't set process_handle->waited here, it needs to only
112 * happen in the parent when wait() has been called.
116 g_message ("%s: Setting handle %p pid %d signalled, exit status %d",
117 __func__
, handle
, process_handle
->id
,
118 process_handle
->exitstatus
);
121 _wapi_shared_handle_set_signal_state (handle
, TRUE
);
123 _wapi_handle_unlock_shared_handles ();
125 /* Drop the reference we hold so we have somewhere to store
126 * the exit details, now the process has in fact exited
128 _wapi_handle_unref (handle
);
133 /* See if any child processes have terminated and wait() for them,
134 * updating process handle info. This function is called from the
135 * collection thread every few seconds.
137 static gboolean
waitfor_pid (gpointer test
, gpointer user_data
)
139 struct _WapiHandle_process
*process
;
144 g_assert ((GPOINTER_TO_UINT (test
) & _WAPI_PROCESS_UNHANDLED
) != _WAPI_PROCESS_UNHANDLED
);
146 ok
= _wapi_lookup_handle (test
, WAPI_HANDLE_PROCESS
,
147 (gpointer
*)&process
);
149 /* The handle must have been too old and was reaped */
153 if (process
->waited
) {
154 /* We've already done this one */
159 ret
= waitpid (process
->id
, &status
, WNOHANG
);
160 } while (errno
== EINTR
);
163 /* Process not ready for wait */
165 g_message ("%s: Process %d not ready for waiting for: %s",
166 __func__
, process
->id
, g_strerror (errno
));
173 g_message ("%s: Process %d finished", __func__
, ret
);
176 process
->waited
= TRUE
;
178 *(int *)user_data
= status
;
183 void _wapi_process_reap (void)
189 g_message ("%s: Reaping child processes", __func__
);
193 proc
= _wapi_search_handle (WAPI_HANDLE_PROCESS
, waitfor_pid
,
194 &status
, NULL
, FALSE
);
197 g_message ("%s: process handle %p exit code %d",
198 __func__
, proc
, status
);
201 process_set_termination_details (proc
, status
);
203 /* _wapi_search_handle adds a reference, so
206 _wapi_handle_unref (proc
);
208 } while (proc
!= NULL
);
211 /* Limitations: This can only wait for processes that are our own
212 * children. Fixing this means resurrecting a daemon helper to manage
215 static guint32
process_wait (gpointer handle
, guint32 timeout
)
217 struct _WapiHandle_process
*process_handle
;
222 g_assert ((GPOINTER_TO_UINT (handle
) & _WAPI_PROCESS_UNHANDLED
) != _WAPI_PROCESS_UNHANDLED
);
225 g_message ("%s: Waiting for process %p", __func__
, handle
);
228 ok
= _wapi_lookup_handle (handle
, WAPI_HANDLE_PROCESS
,
229 (gpointer
*)&process_handle
);
231 g_warning ("%s: error looking up process handle %p", __func__
,
236 if (process_handle
->waited
) {
237 /* We've already done this one */
239 g_message ("%s: Process %p already signalled", __func__
,
243 return (WAIT_OBJECT_0
);
246 pid
= process_handle
->id
;
249 g_message ("%s: PID is %d, timeout %d", __func__
, pid
, timeout
);
252 if (timeout
== INFINITE
) {
253 if (pid
== _wapi_getpid ()) {
258 while ((ret
= waitpid (pid
, &status
, 0)) != pid
) {
259 if (ret
== (pid_t
)-1 && errno
!= EINTR
) {
264 } else if (timeout
== 0) {
266 ret
= waitpid (pid
, &status
, WNOHANG
);
268 return (WAIT_TIMEOUT
);
272 if (pid
== _wapi_getpid ()) {
274 return(WAIT_TIMEOUT
);
277 ret
= waitpid (pid
, &status
, WNOHANG
);
279 g_message ("%s: waitpid returns: %d, timeout is %d", __func__
, ret
, timeout
);
284 } else if (ret
== (pid_t
)-1 &&
287 g_message ("%s: waitpid failure: %s",
292 if (errno
== ECHILD
&&
293 process_handle
->waited
) {
295 * process reaper must
299 g_message ("%s: Process %p already reaped", __func__
, handle
);
302 return(WAIT_OBJECT_0
);
308 _wapi_handle_spin (100);
310 } while (timeout
> 0);
314 return(WAIT_TIMEOUT
);
318 /* Process must have exited */
320 g_message ("%s: Wait done, status %d", __func__
, status
);
323 ok
= process_set_termination_details (handle
, status
);
325 SetLastError (ERROR_OUTOFMEMORY
);
326 return (WAIT_FAILED
);
328 process_handle
->waited
= TRUE
;
330 return(WAIT_OBJECT_0
);
333 void _wapi_process_signal_self ()
335 if (current_process
!= NULL
) {
336 process_set_termination_details (current_process
, 0);
340 static void process_set_defaults (struct _WapiHandle_process
*process_handle
)
342 /* These seem to be the defaults on w2k */
343 process_handle
->min_working_set
= 204800;
344 process_handle
->max_working_set
= 1413120;
346 process_handle
->waited
= FALSE
;
348 _wapi_time_t_to_filetime (time (NULL
), &process_handle
->create_time
);
352 len16 (const gunichar2
*str
)
363 utf16_concat (const gunichar2
*first
, ...)
370 va_start (args
, first
);
371 total
+= len16 (first
);
372 for (s
= va_arg (args
, gunichar2
*); s
!= NULL
; s
= va_arg(args
, gunichar2
*)){
377 ret
= g_new (gunichar2
, total
+ 1);
383 for (s
= first
; *s
!= 0; s
++)
385 va_start (args
, first
);
386 for (s
= va_arg (args
, gunichar2
*); s
!= NULL
; s
= va_arg (args
, gunichar2
*)){
389 for (p
= s
; *p
!= 0; p
++)
397 static const gunichar2 utf16_space_bytes
[2] = { 0x20, 0 };
398 static const gunichar2
*utf16_space
= utf16_space_bytes
;
399 static const gunichar2 utf16_quote_bytes
[2] = { 0x22, 0 };
400 static const gunichar2
*utf16_quote
= utf16_quote_bytes
;
402 /* Implemented as just a wrapper around CreateProcess () */
403 gboolean
ShellExecuteEx (WapiShellExecuteInfo
*sei
)
406 WapiProcessInformation process_info
;
410 /* w2k just segfaults here, but we can do better than
413 SetLastError (ERROR_INVALID_PARAMETER
);
417 if (sei
->lpFile
== NULL
) {
418 /* w2k returns TRUE for this, for some reason. */
422 /* Put both executable and parameters into the second argument
423 * to CreateProcess (), so it searches $PATH. The conversion
424 * into and back out of utf8 is because there is no
425 * g_strdup_printf () equivalent for gunichar2 :-(
427 args
= utf16_concat (sei
->lpFile
, sei
->lpParameters
== NULL
? NULL
: utf16_space
, sei
->lpParameters
, NULL
);
429 SetLastError (ERROR_INVALID_DATA
);
432 ret
= CreateProcess (NULL
, args
, NULL
, NULL
, TRUE
,
433 CREATE_UNICODE_ENVIRONMENT
, NULL
,
434 sei
->lpDirectory
, NULL
, &process_info
);
438 static char *handler
;
439 static gunichar2
*handler_utf16
;
441 if (handler_utf16
== (gunichar2
*)-1)
444 #ifdef PLATFORM_MACOSX
445 handler
= g_strdup ("/usr/bin/open -W");
448 * On Linux, try: xdg-open, the FreeDesktop standard way of doing it,
449 * if that fails, try to use gnome-open, then kfmclient
451 handler
= g_find_program_in_path ("xdg-open");
452 if (handler
== NULL
){
453 handler
= g_find_program_in_path ("gnome-open");
454 if (handler
== NULL
){
455 handler
= g_find_program_in_path ("kfmclient");
456 if (handler
== NULL
){
457 handler_utf16
= (gunichar2
*) -1;
460 /* kfmclient needs exec argument */
462 handler
= g_strconcat (old
, " exec",
469 handler_utf16
= g_utf8_to_utf16 (handler
, -1, NULL
, NULL
, NULL
);
472 /* Put quotes around the filename, in case it's a url
473 * that contains #'s (CreateProcess() calls
474 * g_shell_parse_argv(), which deliberately throws
475 * away anything after an unquoted #). Fixes bug
478 args
= utf16_concat (handler_utf16
, utf16_space
, utf16_quote
,
479 sei
->lpFile
, utf16_quote
,
480 sei
->lpParameters
== NULL
? NULL
: utf16_space
,
481 sei
->lpParameters
, NULL
);
483 SetLastError (ERROR_INVALID_DATA
);
486 ret
= CreateProcess (NULL
, args
, NULL
, NULL
, TRUE
,
487 CREATE_UNICODE_ENVIRONMENT
, NULL
,
488 sei
->lpDirectory
, NULL
, &process_info
);
491 SetLastError (ERROR_INVALID_DATA
);
496 if (sei
->fMask
& SEE_MASK_NOCLOSEPROCESS
) {
497 sei
->hProcess
= process_info
.hProcess
;
499 CloseHandle (process_info
.hProcess
);
506 is_managed_binary (const gchar
*filename
)
508 int original_errno
= errno
;
509 #if defined(HAVE_LARGE_FILE_SUPPORT) && defined(O_LARGEFILE)
510 int file
= open (filename
, O_RDONLY
| O_LARGEFILE
);
512 int file
= open (filename
, O_RDONLY
);
515 unsigned char buffer
[8];
516 off_t file_size
, optional_header_offset
;
517 off_t pe_header_offset
;
518 gboolean managed
= FALSE
;
520 guint32 first_word
, second_word
;
522 /* If we are unable to open the file, then we definitely
523 * can't say that it is managed. The child mono process
524 * probably wouldn't be able to open it anyway.
527 errno
= original_errno
;
531 /* Retrieve the length of the file for future sanity checks. */
532 file_size
= lseek (file
, 0, SEEK_END
);
533 lseek (file
, 0, SEEK_SET
);
535 /* We know we need to read a header field at offset 60. */
539 num_read
= read (file
, buffer
, 2);
541 if ((num_read
!= 2) || (buffer
[0] != 'M') || (buffer
[1] != 'Z'))
544 new_offset
= lseek (file
, 60, SEEK_SET
);
546 if (new_offset
!= 60)
549 num_read
= read (file
, buffer
, 4);
553 pe_header_offset
= buffer
[0]
558 if (pe_header_offset
+ 24 > file_size
)
561 new_offset
= lseek (file
, pe_header_offset
, SEEK_SET
);
563 if (new_offset
!= pe_header_offset
)
566 num_read
= read (file
, buffer
, 4);
568 if ((num_read
!= 4) || (buffer
[0] != 'P') || (buffer
[1] != 'E') || (buffer
[2] != 0) || (buffer
[3] != 0))
572 * Verify that the header we want in the optional header data
573 * is present in this binary.
575 new_offset
= lseek (file
, pe_header_offset
+ 20, SEEK_SET
);
577 if (new_offset
!= pe_header_offset
+ 20)
580 num_read
= read (file
, buffer
, 2);
582 if ((num_read
!= 2) || ((buffer
[0] | (buffer
[1] << 8)) < 216))
585 /* Read the CLR header address and size fields. These will be
586 * zero if the binary is not managed.
588 optional_header_offset
= pe_header_offset
+ 24;
589 new_offset
= lseek (file
, optional_header_offset
+ 208, SEEK_SET
);
591 if (new_offset
!= optional_header_offset
+ 208)
594 num_read
= read (file
, buffer
, 8);
596 /* We are not concerned with endianness, only with
597 * whether it is zero or not.
599 first_word
= *(guint32
*)&buffer
[0];
600 second_word
= *(guint32
*)&buffer
[4];
602 if ((num_read
!= 8) || (first_word
== 0) || (second_word
== 0))
609 errno
= original_errno
;
613 gboolean
CreateProcessWithLogonW (const gunichar2
*username
,
614 const gunichar2
*domain
,
615 const gunichar2
*password
,
616 const guint32 logonFlags
,
617 const gunichar2
*appname
,
618 const gunichar2
*cmdline
,
619 guint32 create_flags
,
621 const gunichar2
*cwd
,
622 WapiStartupInfo
*startup
,
623 WapiProcessInformation
*process_info
)
625 /* FIXME: use user information */
626 return CreateProcess (appname
, cmdline
, NULL
, NULL
, FALSE
, create_flags
, env
, cwd
, startup
, process_info
);
630 is_executable (const char *prog
)
633 if (access (prog
, X_OK
) != 0)
635 if (stat (prog
, &buf
))
637 if (S_ISREG (buf
.st_mode
))
642 gboolean
CreateProcess (const gunichar2
*appname
, const gunichar2
*cmdline
,
643 WapiSecurityAttributes
*process_attrs G_GNUC_UNUSED
,
644 WapiSecurityAttributes
*thread_attrs G_GNUC_UNUSED
,
645 gboolean inherit_handles
, guint32 create_flags
,
646 gpointer new_environ
, const gunichar2
*cwd
,
647 WapiStartupInfo
*startup
,
648 WapiProcessInformation
*process_info
)
650 gchar
*cmd
=NULL
, *prog
= NULL
, *full_prog
= NULL
, *args
= NULL
, *args_after_prog
= NULL
, *dir
= NULL
, **env_strings
= NULL
, **argv
= NULL
;
651 guint32 i
, env_count
= 0;
652 gboolean ret
= FALSE
;
654 struct _WapiHandle_process process_handle
= {0}, *process_handle_data
;
656 int in_fd
, out_fd
, err_fd
;
660 mono_once (&process_ops_once
, process_ops_init
);
662 /* appname and cmdline specify the executable and its args:
664 * If appname is not NULL, it is the name of the executable.
665 * Otherwise the executable is the first token in cmdline.
667 * Executable searching:
669 * If appname is not NULL, it can specify the full path and
670 * file name, or else a partial name and the current directory
671 * will be used. There is no additional searching.
673 * If appname is NULL, the first whitespace-delimited token in
674 * cmdline is used. If the name does not contain a full
675 * directory path, the search sequence is:
677 * 1) The directory containing the current process
678 * 2) The current working directory
679 * 3) The windows system directory (Ignored)
680 * 4) The windows directory (Ignored)
683 * Just to make things more interesting, tokens can contain
684 * white space if they are surrounded by quotation marks. I'm
685 * beginning to understand just why windows apps are generally
686 * so crap, with an API like this :-(
688 if (appname
!= NULL
) {
689 cmd
= mono_unicode_to_external (appname
);
692 g_message ("%s: unicode conversion returned NULL",
696 SetLastError (ERROR_PATH_NOT_FOUND
);
700 /* Turn all the slashes round the right way */
701 for (i
= 0; i
< strlen (cmd
); i
++) {
702 if (cmd
[i
] == '\\') {
708 if (cmdline
!= NULL
) {
709 args
= mono_unicode_to_external (cmdline
);
712 g_message ("%s: unicode conversion returned NULL", __func__
);
715 SetLastError (ERROR_PATH_NOT_FOUND
);
721 dir
= mono_unicode_to_external (cwd
);
724 g_message ("%s: unicode conversion returned NULL", __func__
);
727 SetLastError (ERROR_PATH_NOT_FOUND
);
731 /* Turn all the slashes round the right way */
732 for (i
= 0; i
< strlen (dir
); i
++) {
733 if (dir
[i
] == '\\') {
740 /* We can't put off locating the executable any longer :-( */
743 if (g_ascii_isalpha (cmd
[0]) && (cmd
[1] == ':')) {
744 /* Strip off the drive letter. I can't
745 * believe that CP/M holdover is still
748 g_memmove (cmd
, cmd
+2, strlen (cmd
)-2);
749 cmd
[strlen (cmd
)-2] = '\0';
752 unquoted
= g_shell_unquote (cmd
, NULL
);
753 if (unquoted
[0] == '/') {
754 /* Assume full path given */
755 prog
= g_strdup (unquoted
);
757 /* Executable existing ? */
758 if (!is_executable (prog
)) {
760 g_message ("%s: Couldn't find executable %s",
764 SetLastError (ERROR_FILE_NOT_FOUND
);
768 /* Search for file named by cmd in the current
771 char *curdir
= g_get_current_dir ();
773 prog
= g_strdup_printf ("%s/%s", curdir
, unquoted
);
776 /* And make sure it's executable */
777 if (!is_executable (prog
)) {
779 g_message ("%s: Couldn't find executable %s",
783 SetLastError (ERROR_FILE_NOT_FOUND
);
789 args_after_prog
= args
;
794 /* Dig out the first token from args, taking quotation
798 /* First, strip off all leading whitespace */
799 args
= g_strchug (args
);
801 /* args_after_prog points to the contents of args
802 * after token has been set (otherwise argv[0] is
805 args_after_prog
= args
;
807 /* Assume the opening quote will always be the first
810 if (args
[0] == '\"' || args
[0] == '\'') {
812 for (i
= 1; args
[i
] != '\0' && args
[i
] != quote
; i
++);
813 if (g_ascii_isspace (args
[i
+1])) {
814 /* We found the first token */
815 token
= g_strndup (args
+1, i
-1);
816 args_after_prog
= args
+ i
;
818 /* Quotation mark appeared in the
819 * middle of the token. Just give the
820 * whole first token, quotes and all,
827 /* No quote mark, or malformed */
828 for (i
= 0; args
[i
] != '\0'; i
++) {
829 if (g_ascii_isspace (args
[i
])) {
830 token
= g_strndup (args
, i
);
831 args_after_prog
= args
+ i
+ 1;
837 if (token
== NULL
&& args
[0] != '\0') {
838 /* Must be just one token in the string */
839 token
= g_strdup (args
);
840 args_after_prog
= NULL
;
846 g_message ("%s: Couldn't find what to exec", __func__
);
849 SetLastError (ERROR_PATH_NOT_FOUND
);
853 /* Turn all the slashes round the right way. Only for
856 for (i
= 0; i
< strlen (token
); i
++) {
857 if (token
[i
] == '\\') {
862 if (g_ascii_isalpha (token
[0]) && (token
[1] == ':')) {
863 /* Strip off the drive letter. I can't
864 * believe that CP/M holdover is still
867 g_memmove (token
, token
+2, strlen (token
)-2);
868 token
[strlen (token
)-2] = '\0';
871 if (token
[0] == '/') {
872 /* Assume full path given */
873 prog
= g_strdup (token
);
875 /* Executable existing ? */
876 if (!is_executable (prog
)) {
878 g_message ("%s: Couldn't find executable %s",
882 SetLastError (ERROR_FILE_NOT_FOUND
);
887 char *curdir
= g_get_current_dir ();
889 /* FIXME: Need to record the directory
890 * containing the current process, and check
891 * that for the new executable as the first
895 prog
= g_strdup_printf ("%s/%s", curdir
, token
);
898 /* I assume X_OK is the criterion to use,
901 if (!is_executable (prog
)) {
903 prog
= g_find_program_in_path (token
);
906 g_message ("%s: Couldn't find executable %s", __func__
, token
);
910 SetLastError (ERROR_FILE_NOT_FOUND
);
920 g_message ("%s: Exec prog [%s] args [%s]", __func__
, prog
,
924 /* Check for CLR binaries; if found, we will try to invoke
925 * them using the same mono binary that started us.
927 if (is_managed_binary (prog
)) {
928 gunichar2
*newapp
, *newcmd
;
931 newapp
= mono_unicode_from_external ("mono", &bytes_ignored
);
933 if (newapp
!= NULL
) {
934 if (appname
!= NULL
) {
935 newcmd
= utf16_concat (newapp
, utf16_space
,
936 appname
, utf16_space
,
939 newcmd
= utf16_concat (newapp
, utf16_space
,
943 g_free ((gunichar2
*)newapp
);
945 if (newcmd
!= NULL
) {
946 ret
= CreateProcess (NULL
, newcmd
,
950 create_flags
, new_environ
,
954 g_free ((gunichar2
*)newcmd
);
961 if (args_after_prog
!= NULL
&& *args_after_prog
) {
964 qprog
= g_shell_quote (prog
);
965 full_prog
= g_strconcat (qprog
, " ", args_after_prog
, NULL
);
968 full_prog
= g_shell_quote (prog
);
971 ret
= g_shell_parse_argv (full_prog
, NULL
, &argv
, &gerr
);
973 /* FIXME: Could do something with the GError here
977 if (startup
!= NULL
&& startup
->dwFlags
& STARTF_USESTDHANDLES
) {
978 in_fd
= GPOINTER_TO_UINT (startup
->hStdInput
);
979 out_fd
= GPOINTER_TO_UINT (startup
->hStdOutput
);
980 err_fd
= GPOINTER_TO_UINT (startup
->hStdError
);
982 in_fd
= GPOINTER_TO_UINT (GetStdHandle (STD_INPUT_HANDLE
));
983 out_fd
= GPOINTER_TO_UINT (GetStdHandle (STD_OUTPUT_HANDLE
));
984 err_fd
= GPOINTER_TO_UINT (GetStdHandle (STD_ERROR_HANDLE
));
987 g_strlcpy (process_handle
.proc_name
, prog
,
988 _WAPI_PROC_NAME_MAX_LEN
- 1);
990 process_set_defaults (&process_handle
);
992 handle
= _wapi_handle_new (WAPI_HANDLE_PROCESS
, &process_handle
);
993 if (handle
== _WAPI_HANDLE_INVALID
) {
994 g_warning ("%s: error creating process handle", __func__
);
996 SetLastError (ERROR_PATH_NOT_FOUND
);
1000 /* Hold another reference so the process has somewhere to
1001 * store its exit data even if we drop this handle
1003 _wapi_handle_ref (handle
);
1005 /* new_environ is a block of NULL-terminated strings, which
1006 * is itself NULL-terminated. Of course, passing an array of
1007 * string pointers would have made things too easy :-(
1009 * If new_environ is not NULL it specifies the entire set of
1010 * environment variables in the new process. Otherwise the
1011 * new process inherits the same environment.
1013 if (new_environ
!= NULL
) {
1014 gunichar2
*new_environp
;
1016 /* Count the number of strings */
1017 for (new_environp
= (gunichar2
*)new_environ
; *new_environp
;
1020 while (*new_environp
) {
1025 /* +2: one for the process handle value, and the last
1028 env_strings
= g_new0 (gchar
*, env_count
+ 2);
1030 /* Copy each environ string into 'strings' turning it
1031 * into utf8 (or the requested encoding) at the same
1035 for (new_environp
= (gunichar2
*)new_environ
; *new_environp
;
1037 env_strings
[env_count
] = mono_unicode_to_external (new_environp
);
1039 while (*new_environp
) {
1044 for (i
= 0; environ
[i
] != NULL
; i
++) {
1048 /* +2: one for the process handle value, and the last
1051 env_strings
= g_new0 (gchar
*, env_count
+ 2);
1053 /* Copy each environ string into 'strings' turning it
1054 * into utf8 (or the requested encoding) at the same
1058 for (i
= 0; environ
[i
] != NULL
; i
++) {
1059 env_strings
[env_count
] = g_strdup (environ
[i
]);
1063 /* pass process handle info to the child, so it doesn't have
1064 * to do an expensive search over the whole list
1066 if (env_strings
!= NULL
) {
1067 struct _WapiHandleUnshared
*handle_data
;
1068 struct _WapiHandle_shared_ref
*ref
;
1070 handle_data
= &_WAPI_PRIVATE_HANDLES(GPOINTER_TO_UINT(handle
));
1071 ref
= &handle_data
->u
.shared
;
1073 env_strings
[env_count
] = g_strdup_printf ("_WAPI_PROCESS_HANDLE_OFFSET=%d", ref
->offset
);
1076 thr_ret
= _wapi_handle_lock_shared_handles ();
1077 g_assert (thr_ret
== 0);
1082 SetLastError (ERROR_OUTOFMEMORY
);
1083 _wapi_handle_unref (handle
);
1085 } else if (pid
== 0) {
1088 if (_wapi_shm_disabled
== FALSE
) {
1089 /* Wait for the parent to finish setting up
1090 * the handle. The semaphore lock is safe
1091 * because the sem_undo structures of a
1092 * semaphore aren't inherited across a fork
1093 * (), but we can't do this if we're not using
1096 thr_ret
= _wapi_handle_lock_shared_handles ();
1097 g_assert (thr_ret
== 0);
1099 _wapi_handle_unlock_shared_handles ();
1102 /* should we detach from the process group? */
1104 /* Connect stdin, stdout and stderr */
1109 if (inherit_handles
!= TRUE
) {
1110 /* FIXME: do something here */
1113 /* Close all file descriptors */
1114 for (i
= getdtablesize () - 1; i
> 2; i
--) {
1119 g_message ("%s: exec()ing [%s] in dir [%s]", __func__
, cmd
,
1121 for (i
= 0; argv
[i
] != NULL
; i
++) {
1122 g_message ("arg %d: [%s]", i
, argv
[i
]);
1125 for (i
= 0; env_strings
[i
] != NULL
; i
++) {
1126 g_message ("env %d: [%s]", i
, env_strings
[i
]);
1131 if (dir
!= NULL
&& chdir (dir
) == -1) {
1137 execve (argv
[0], argv
, env_strings
);
1144 ret
= _wapi_lookup_handle (handle
, WAPI_HANDLE_PROCESS
,
1145 (gpointer
*)&process_handle_data
);
1147 g_warning ("%s: error looking up process handle %p", __func__
,
1149 _wapi_handle_unref (handle
);
1153 process_handle_data
->id
= pid
;
1155 if (process_info
!= NULL
) {
1156 process_info
->hProcess
= handle
;
1157 process_info
->dwProcessId
= pid
;
1159 /* FIXME: we might need to handle the thread info some
1162 process_info
->hThread
= INVALID_HANDLE_VALUE
;
1163 process_info
->dwThreadId
= 0;
1167 _wapi_handle_unlock_shared_handles ();
1173 if (full_prog
!= NULL
) {
1185 if(env_strings
!= NULL
) {
1186 g_strfreev (env_strings
);
1193 g_message ("%s: returning handle %p for pid %d", __func__
, handle
,
1200 static void process_set_name (struct _WapiHandle_process
*process_handle
)
1202 gchar
*progname
, *utf8_progname
, *slash
;
1204 progname
=g_get_prgname ();
1205 utf8_progname
=mono_utf8_from_external (progname
);
1208 g_message ("%s: using [%s] as prog name", __func__
, progname
);
1211 if(utf8_progname
!=NULL
) {
1212 slash
=strrchr (utf8_progname
, '/');
1214 g_strlcpy (process_handle
->proc_name
, slash
+1,
1215 _WAPI_PROC_NAME_MAX_LEN
- 1);
1217 g_strlcpy (process_handle
->proc_name
, utf8_progname
,
1218 _WAPI_PROC_NAME_MAX_LEN
- 1);
1221 g_free (utf8_progname
);
1225 extern void _wapi_time_t_to_filetime (time_t timeval
, WapiFileTime
*filetime
);
1227 #if !GLIB_CHECK_VERSION (2,4,0)
1228 #define g_setenv(a,b,c) setenv(a,b,c)
1229 #define g_unsetenv(a) unsetenv(a)
1232 static void process_set_current (void)
1234 pid_t pid
= _wapi_getpid ();
1235 const char *handle_env
;
1236 struct _WapiHandle_process process_handle
= {0};
1238 mono_once (&process_ops_once
, process_ops_init
);
1240 handle_env
= g_getenv ("_WAPI_PROCESS_HANDLE_OFFSET");
1241 g_unsetenv ("_WAPI_PROCESS_HANDLE_OFFSET");
1243 if (handle_env
!= NULL
) {
1244 struct _WapiHandle_process
*process_handlep
;
1245 gchar
*procname
= NULL
;
1248 current_process
= _wapi_handle_new_from_offset (WAPI_HANDLE_PROCESS
, atoi (handle_env
), TRUE
);
1251 g_message ("%s: Found my process handle: %p (offset %d 0x%x)",
1252 __func__
, current_process
, atoi (handle_env
),
1256 ok
= _wapi_lookup_handle (current_process
, WAPI_HANDLE_PROCESS
,
1257 (gpointer
*)&process_handlep
);
1259 /* This test will probably break on linuxthreads, but
1260 * that should be ancient history on all distros we
1263 if (process_handlep
->id
== pid
) {
1264 procname
= process_handlep
->proc_name
;
1265 if (!strcmp (procname
, "mono")) {
1266 /* Set a better process name */
1268 g_message ("%s: Setting better process name", __func__
);
1271 process_set_name (process_handlep
);
1274 g_message ("%s: Leaving process name: %s", __func__
, procname
);
1281 /* Wrong pid, so drop this handle and fall through to
1284 _wapi_handle_unref (current_process
);
1288 /* We get here if the handle wasn't specified in the
1289 * environment, or if the process ID was wrong, or if the
1290 * handle lookup failed (eg if the parent process forked and
1291 * quit immediately, and deleted the shared data before the
1292 * child got a chance to attach it.)
1296 g_message ("%s: Need to create my own process handle", __func__
);
1299 process_handle
.id
= pid
;
1301 process_set_defaults (&process_handle
);
1302 process_set_name (&process_handle
);
1304 current_process
= _wapi_handle_new (WAPI_HANDLE_PROCESS
,
1306 if (current_process
== _WAPI_HANDLE_INVALID
) {
1307 g_warning ("%s: error creating process handle", __func__
);
1312 gpointer
_wapi_process_duplicate ()
1314 mono_once (&process_current_once
, process_set_current
);
1316 _wapi_handle_ref (current_process
);
1318 return(current_process
);
1321 /* Returns a pseudo handle that doesn't need to be closed afterwards */
1322 gpointer
GetCurrentProcess (void)
1324 mono_once (&process_current_once
, process_set_current
);
1326 return(_WAPI_PROCESS_CURRENT
);
1329 guint32
GetProcessId (gpointer handle
)
1331 struct _WapiHandle_process
*process_handle
;
1334 if ((GPOINTER_TO_UINT (handle
) & _WAPI_PROCESS_UNHANDLED
) == _WAPI_PROCESS_UNHANDLED
) {
1335 /* This is a pseudo handle */
1336 return(GPOINTER_TO_UINT (handle
) & _WAPI_PROCESS_UNHANDLED_PID_MASK
);
1339 ok
= _wapi_lookup_handle (handle
, WAPI_HANDLE_PROCESS
,
1340 (gpointer
*)&process_handle
);
1342 SetLastError (ERROR_INVALID_HANDLE
);
1346 return (process_handle
->id
);
1349 guint32
GetCurrentProcessId (void)
1351 mono_once (&process_current_once
, process_set_current
);
1353 return (GetProcessId (current_process
));
1356 /* Returns the process id as a convenience to the functions that call this */
1357 static pid_t
signal_process_if_gone (gpointer handle
)
1359 struct _WapiHandle_process
*process_handle
;
1362 g_assert ((GPOINTER_TO_UINT (handle
) & _WAPI_PROCESS_UNHANDLED
) != _WAPI_PROCESS_UNHANDLED
);
1364 /* Make sure the process is signalled if it has exited - if
1365 * the parent process didn't wait for it then it won't be
1367 ok
= _wapi_lookup_handle (handle
, WAPI_HANDLE_PROCESS
,
1368 (gpointer
*)&process_handle
);
1370 /* It's possible that the handle has vanished during
1371 * the _wapi_search_handle before it gets here, so
1372 * don't spam the console with warnings.
1374 /* g_warning ("%s: error looking up process handle %p",
1375 __func__, handle);*/
1381 g_message ("%s: looking at process %d", __func__
, process_handle
->id
);
1384 if (kill (process_handle
->id
, 0) == -1 &&
1387 /* The process is dead, (EPERM tells us a new process
1388 * has that ID, but as it's owned by someone else it
1389 * can't be the one listed in our shared memory file)
1391 _wapi_shared_handle_set_signal_state (handle
, TRUE
);
1394 return (process_handle
->id
);
1398 static gboolean
process_enum (gpointer handle
, gpointer user_data
)
1400 GArray
*processes
=user_data
;
1401 pid_t pid
= signal_process_if_gone (handle
);
1408 /* Ignore processes that have already exited (ie they are signalled) */
1409 if (_wapi_handle_issignalled (handle
) == FALSE
) {
1411 g_message ("%s: process %d added to array", __func__
, pid
);
1414 /* This ensures that duplicates aren't returned (see
1415 * the comment above _wapi_search_handle () for why
1418 for (i
= 0; i
< processes
->len
; i
++) {
1419 if (g_array_index (processes
, pid_t
, i
) == pid
) {
1420 /* We've already got this one, return
1421 * FALSE to keep searching
1427 g_array_append_val (processes
, pid
);
1430 /* Return false to keep searching */
1433 #endif /* UNUSED_CODE */
1435 gboolean
EnumProcesses (guint32
*pids
, guint32 len
, guint32
*needed
)
1437 GArray
*processes
= g_array_new (FALSE
, FALSE
, sizeof(pid_t
));
1440 struct dirent
*entry
;
1442 mono_once (&process_current_once
, process_set_current
);
1444 dir
= opendir ("/proc");
1448 while((entry
= readdir (dir
)) != NULL
) {
1449 if (isdigit (entry
->d_name
[0])) {
1451 pid_t pid
= (pid_t
)strtol (entry
->d_name
, &endptr
, 10);
1453 if (*endptr
== '\0') {
1454 /* Name was entirely numeric, so was a
1457 g_array_append_val (processes
, pid
);
1463 fit
=len
/sizeof(guint32
);
1464 for (i
= 0, j
= 0; j
< fit
&& i
< processes
->len
; i
++) {
1465 pids
[j
++] = g_array_index (processes
, pid_t
, i
);
1468 g_array_free (processes
, TRUE
);
1470 *needed
= j
* sizeof(guint32
);
1475 static gboolean
process_open_compare (gpointer handle
, gpointer user_data
)
1478 pid_t checking_pid
= signal_process_if_gone (handle
);
1480 if (checking_pid
== 0) {
1484 wanted_pid
= GPOINTER_TO_UINT (user_data
);
1486 /* It's possible to have more than one process handle with the
1487 * same pid, but only the one running process can be
1490 if (checking_pid
== wanted_pid
&&
1491 _wapi_handle_issignalled (handle
) == FALSE
) {
1492 /* If the handle is blown away in the window between
1493 * returning TRUE here and _wapi_search_handle pinging
1494 * the timestamp, the search will continue
1502 gpointer
OpenProcess (guint32 req_access G_GNUC_UNUSED
, gboolean inherit G_GNUC_UNUSED
, guint32 pid
)
1504 /* Find the process handle that corresponds to pid */
1507 mono_once (&process_current_once
, process_set_current
);
1510 g_message ("%s: looking for process %d", __func__
, pid
);
1513 handle
= _wapi_search_handle (WAPI_HANDLE_PROCESS
,
1514 process_open_compare
,
1515 GUINT_TO_POINTER (pid
), NULL
, TRUE
);
1517 gchar
*dir
= g_strdup_printf ("/proc/%d", pid
);
1518 if (!access (dir
, F_OK
)) {
1519 /* Return a pseudo handle for processes we
1520 * don't have handles for
1522 return((gpointer
)(_WAPI_PROCESS_UNHANDLED
+ pid
));
1525 g_message ("%s: Can't find pid %d", __func__
, pid
);
1528 SetLastError (ERROR_PROC_NOT_FOUND
);
1534 _wapi_handle_ref (handle
);
1539 gboolean
GetExitCodeProcess (gpointer process
, guint32
*code
)
1541 struct _WapiHandle_process
*process_handle
;
1544 mono_once (&process_current_once
, process_set_current
);
1550 if ((GPOINTER_TO_UINT (process
) & _WAPI_PROCESS_UNHANDLED
) == _WAPI_PROCESS_UNHANDLED
) {
1551 /* This is a pseudo handle, so we don't know what the
1557 ok
=_wapi_lookup_handle (process
, WAPI_HANDLE_PROCESS
,
1558 (gpointer
*)&process_handle
);
1561 g_message ("%s: Can't find process %p", __func__
, process
);
1567 /* A process handle is only signalled if the process has exited
1568 * and has been waited for */
1570 /* Make sure any process exit has been noticed, before
1571 * checking if the process is signalled. Fixes bug 325463.
1573 process_wait (process
, 0);
1575 if (_wapi_handle_issignalled (process
) == TRUE
) {
1576 *code
= process_handle
->exitstatus
;
1578 *code
= STILL_ACTIVE
;
1584 gboolean
GetProcessTimes (gpointer process
, WapiFileTime
*create_time
,
1585 WapiFileTime
*exit_time
, WapiFileTime
*kernel_time
,
1586 WapiFileTime
*user_time
)
1588 struct _WapiHandle_process
*process_handle
;
1590 gboolean ku_times_set
= FALSE
;
1592 mono_once (&process_current_once
, process_set_current
);
1594 if(create_time
==NULL
|| exit_time
==NULL
|| kernel_time
==NULL
||
1596 /* Not sure if w32 allows NULLs here or not */
1600 if ((GPOINTER_TO_UINT (process
) & _WAPI_PROCESS_UNHANDLED
) == _WAPI_PROCESS_UNHANDLED
) {
1601 /* This is a pseudo handle, so just fail for now
1606 ok
=_wapi_lookup_handle (process
, WAPI_HANDLE_PROCESS
,
1607 (gpointer
*)&process_handle
);
1610 g_message ("%s: Can't find process %p", __func__
, process
);
1616 *create_time
=process_handle
->create_time
;
1618 /* A process handle is only signalled if the process has
1619 * exited. Otherwise exit_time isn't set
1621 if(_wapi_handle_issignalled (process
)==TRUE
) {
1622 *exit_time
=process_handle
->exit_time
;
1625 #ifdef HAVE_GETRUSAGE
1626 if (process_handle
->id
== getpid ()) {
1627 struct rusage time_data
;
1628 if (getrusage (RUSAGE_SELF
, &time_data
) == 0) {
1630 gint64
*tick_val_ptr
;
1631 ku_times_set
= TRUE
;
1632 tick_val
= time_data
.ru_utime
.tv_sec
* 10000000 + time_data
.ru_utime
.tv_usec
* 10;
1633 tick_val_ptr
= (gint64
*)user_time
;
1634 *tick_val_ptr
= tick_val
;
1635 tick_val
= time_data
.ru_stime
.tv_sec
* 10000000 + time_data
.ru_stime
.tv_usec
* 10;
1636 tick_val_ptr
= (gint64
*)kernel_time
;
1637 *tick_val_ptr
= tick_val
;
1641 if (!ku_times_set
) {
1642 memset (kernel_time
, 0, sizeof (WapiFileTime
));
1643 memset (user_time
, 0, sizeof (WapiFileTime
));
1651 gpointer address_start
;
1652 gpointer address_end
;
1654 gpointer address_offset
;
1660 static void free_procmodule (WapiProcModule
*mod
)
1662 if (mod
->perms
!= NULL
) {
1663 g_free (mod
->perms
);
1665 if (mod
->filename
!= NULL
) {
1666 g_free (mod
->filename
);
1671 static gint
find_procmodule (gconstpointer a
, gconstpointer b
)
1673 WapiProcModule
*want
= (WapiProcModule
*)a
;
1674 WapiProcModule
*compare
= (WapiProcModule
*)b
;
1676 if ((want
->device
== compare
->device
) &&
1677 (want
->inode
== compare
->inode
)) {
1684 static GSList
*load_modules (FILE *fp
)
1687 WapiProcModule
*mod
;
1688 gchar buf
[MAXPATHLEN
+ 1], *p
, *endp
;
1689 gchar
*start_start
, *end_start
, *prot_start
, *offset_start
;
1690 gchar
*maj_dev_start
, *min_dev_start
, *inode_start
, prot_buf
[5];
1691 gpointer address_start
, address_end
, address_offset
;
1692 guint32 maj_dev
, min_dev
;
1696 while (fgets (buf
, sizeof(buf
), fp
)) {
1698 while (g_ascii_isspace (*p
)) ++p
;
1700 if (!g_ascii_isxdigit (*start_start
)) {
1703 address_start
= (gpointer
)strtoul (start_start
, &endp
, 16);
1711 if (!g_ascii_isxdigit (*end_start
)) {
1714 address_end
= (gpointer
)strtoul (end_start
, &endp
, 16);
1716 if (!g_ascii_isspace (*p
)) {
1720 while (g_ascii_isspace (*p
)) ++p
;
1722 if (*prot_start
!= 'r' && *prot_start
!= '-') {
1725 memcpy (prot_buf
, prot_start
, 4);
1727 while (!g_ascii_isspace (*p
)) ++p
;
1729 while (g_ascii_isspace (*p
)) ++p
;
1731 if (!g_ascii_isxdigit (*offset_start
)) {
1734 address_offset
= (gpointer
)strtoul (offset_start
, &endp
, 16);
1736 if (!g_ascii_isspace (*p
)) {
1740 while(g_ascii_isspace (*p
)) ++p
;
1742 if (!g_ascii_isxdigit (*maj_dev_start
)) {
1745 maj_dev
= strtoul (maj_dev_start
, &endp
, 16);
1753 if (!g_ascii_isxdigit (*min_dev_start
)) {
1756 min_dev
= strtoul (min_dev_start
, &endp
, 16);
1758 if (!g_ascii_isspace (*p
)) {
1762 while (g_ascii_isspace (*p
)) ++p
;
1764 if (!g_ascii_isxdigit (*inode_start
)) {
1767 inode
= (ino_t
)strtol (inode_start
, &endp
, 10);
1769 if (!g_ascii_isspace (*p
)) {
1773 device
= makedev ((int)maj_dev
, (int)min_dev
);
1774 if ((device
== 0) &&
1779 while(g_ascii_isspace (*p
)) ++p
;
1780 /* p now points to the filename */
1782 mod
= g_new0 (WapiProcModule
, 1);
1783 mod
->address_start
= address_start
;
1784 mod
->address_end
= address_end
;
1785 mod
->perms
= g_strdup (prot_buf
);
1786 mod
->address_offset
= address_offset
;
1787 mod
->device
= device
;
1789 mod
->filename
= g_strdup (g_strstrip (p
));
1791 if (g_slist_find_custom (ret
, mod
, find_procmodule
) == NULL
) {
1792 ret
= g_slist_prepend (ret
, mod
);
1794 free_procmodule (mod
);
1798 ret
= g_slist_reverse (ret
);
1803 static gboolean
match_procname_to_modulename (gchar
*procname
, gchar
*modulename
)
1805 char* lastsep
= NULL
;
1807 if (procname
== NULL
|| modulename
== NULL
)
1810 if (!strcmp (procname
, modulename
))
1813 lastsep
= strrchr (modulename
, '/');
1815 if (!strcmp (lastsep
+1, procname
))
1823 gboolean
EnumProcessModules (gpointer process
, gpointer
*modules
,
1824 guint32 size
, guint32
*needed
)
1826 struct _WapiHandle_process
*process_handle
;
1830 GSList
*mods
= NULL
;
1831 WapiProcModule
*module
;
1832 guint32 count
, avail
= size
/ sizeof(gpointer
);
1835 gchar
*proc_name
= NULL
;
1837 /* Store modules in an array of pointers (main module as
1838 * modules[0]), using the load address for each module as a
1839 * token. (Use 'NULL' as an alternative for the main module
1840 * so that the simple implementation can just return one item
1841 * for now.) Get the info from /proc/<pid>/maps on linux,
1842 * other systems will have to implement /dev/kmem reading or
1843 * whatever other horrid technique is needed.
1845 if (size
< sizeof(gpointer
)) {
1849 if ((GPOINTER_TO_UINT (process
) & _WAPI_PROCESS_UNHANDLED
) == _WAPI_PROCESS_UNHANDLED
) {
1850 /* This is a pseudo handle */
1851 pid
= (pid_t
)(GPOINTER_TO_UINT (process
) & _WAPI_PROCESS_UNHANDLED_PID_MASK
);
1853 ok
= _wapi_lookup_handle (process
, WAPI_HANDLE_PROCESS
,
1854 (gpointer
*)&process_handle
);
1857 g_message ("%s: Can't find process %p", __func__
, process
);
1862 pid
= process_handle
->id
;
1863 proc_name
= process_handle
->proc_name
;
1866 filename
= g_strdup_printf ("/proc/%d/maps", pid
);
1867 if ((fp
= fopen (filename
, "r")) == NULL
) {
1868 /* No /proc/<pid>/maps so just return the main module
1872 *needed
= sizeof(gpointer
);
1874 mods
= load_modules (fp
);
1876 count
= g_slist_length (mods
);
1878 /* count + 1 to leave slot 0 for the main module */
1879 *needed
= sizeof(gpointer
) * (count
+ 1);
1881 /* Use the NULL shortcut, as the first line in
1882 * /proc/<pid>/maps isn't the executable, and we need
1883 * that first in the returned list. Check the module name
1884 * to see if it ends with the proc name and substitute
1885 * the first entry with it. FIXME if this turns out to
1889 for (i
= 0; i
< (avail
- 1) && i
< count
; i
++) {
1890 module
= (WapiProcModule
*)g_slist_nth_data (mods
, i
);
1891 if (modules
[0] != NULL
)
1892 modules
[i
] = module
->address_start
;
1893 else if (match_procname_to_modulename (proc_name
, module
->filename
))
1894 modules
[0] = module
->address_start
;
1896 modules
[i
+ 1] = module
->address_start
;
1899 for (i
= 0; i
< count
; i
++) {
1900 free_procmodule (g_slist_nth_data (mods
, i
));
1902 g_slist_free (mods
);
1910 static gchar
*get_process_name_from_proc (pid_t pid
)
1917 memset (buf
, '\0', sizeof(buf
));
1919 filename
= g_strdup_printf ("/proc/%d/exe", pid
);
1920 if (readlink (filename
, buf
, 255) > 0) {
1921 ret
= g_strdup (buf
);
1929 filename
= g_strdup_printf ("/proc/%d/cmdline", pid
);
1930 if ((fp
= fopen (filename
, "r")) != NULL
) {
1931 if (fgets (buf
, 256, fp
) != NULL
) {
1932 ret
= g_strdup (buf
);
1943 filename
= g_strdup_printf ("/proc/%d/stat", pid
);
1944 if ((fp
= fopen (filename
, "r")) != NULL
) {
1945 if (fgets (buf
, 256, fp
) != NULL
) {
1948 start
= strchr (buf
, '(');
1949 if (start
!= NULL
) {
1950 end
= strchr (start
+ 1, ')');
1953 ret
= g_strndup (start
+ 1,
1970 static guint32
get_module_name (gpointer process
, gpointer module
,
1971 gunichar2
*basename
, guint32 size
,
1974 struct _WapiHandle_process
*process_handle
;
1977 gunichar2
*procname
;
1978 gchar
*procname_ext
= NULL
;
1983 GSList
*mods
= NULL
;
1984 WapiProcModule
*found_module
;
1987 gchar
*proc_name
= NULL
;
1989 mono_once (&process_current_once
, process_set_current
);
1992 g_message ("%s: Getting module base name, process handle %p module %p",
1993 __func__
, process
, module
);
1996 if (basename
== NULL
|| size
== 0) {
2000 if ((GPOINTER_TO_UINT (process
) & _WAPI_PROCESS_UNHANDLED
) == _WAPI_PROCESS_UNHANDLED
) {
2001 /* This is a pseudo handle */
2002 pid
= (pid_t
)(GPOINTER_TO_UINT (process
) & _WAPI_PROCESS_UNHANDLED_PID_MASK
);
2003 proc_name
= get_process_name_from_proc (pid
);
2005 ok
= _wapi_lookup_handle (process
, WAPI_HANDLE_PROCESS
,
2006 (gpointer
*)&process_handle
);
2009 g_message ("%s: Can't find process %p", __func__
,
2015 pid
= process_handle
->id
;
2016 proc_name
= g_strdup (process_handle
->proc_name
);
2019 /* Look up the address in /proc/<pid>/maps */
2020 filename
= g_strdup_printf ("/proc/%d/maps", pid
);
2021 if ((fp
= fopen (filename
, "r")) == NULL
) {
2022 if (errno
== EACCES
&& module
== NULL
&& base
== TRUE
) {
2023 procname_ext
= get_process_name_from_proc (pid
);
2025 /* No /proc/<pid>/maps, so just return failure
2033 mods
= load_modules (fp
);
2035 count
= g_slist_length (mods
);
2037 /* If module != NULL compare the address.
2038 * If module == NULL we are looking for the main module.
2039 * The best we can do for now check it the module name end with the process name.
2041 for (i
= 0; i
< count
; i
++) {
2042 found_module
= (WapiProcModule
*)g_slist_nth_data (mods
, i
);
2043 if (procname_ext
== NULL
&&
2044 ((module
== NULL
&& match_procname_to_modulename (proc_name
, found_module
->filename
)) ||
2045 (module
!= NULL
&& found_module
->address_start
== module
))) {
2047 procname_ext
= g_path_get_basename (found_module
->filename
);
2049 procname_ext
= g_strdup (found_module
->filename
);
2053 free_procmodule (found_module
);
2056 if (procname_ext
== NULL
)
2058 /* If it's *still* null, we might have hit the
2059 * case where reading /proc/$pid/maps gives an
2060 * empty file for this user.
2062 procname_ext
= get_process_name_from_proc (pid
);
2065 g_slist_free (mods
);
2070 if (procname_ext
!= NULL
) {
2072 g_message ("%s: Process name is [%s]", __func__
,
2076 procname
= mono_unicode_from_external (procname_ext
, &bytes
);
2077 if (procname
== NULL
) {
2079 g_free (procname_ext
);
2085 /* Add the terminator */
2090 g_message ("%s: Size %d smaller than needed (%ld); truncating", __func__
, size
, bytes
);
2093 memcpy (basename
, procname
, size
);
2096 g_message ("%s: Size %d larger than needed (%ld)",
2097 __func__
, size
, bytes
);
2100 memcpy (basename
, procname
, bytes
);
2104 g_free (procname_ext
);
2112 guint32
GetModuleBaseName (gpointer process
, gpointer module
,
2113 gunichar2
*basename
, guint32 size
)
2115 return(get_module_name (process
, module
, basename
, size
, TRUE
));
2118 guint32
GetModuleFileNameEx (gpointer process
, gpointer module
,
2119 gunichar2
*filename
, guint32 size
)
2121 return(get_module_name (process
, module
, filename
, size
, FALSE
));
2124 gboolean
GetModuleInformation (gpointer process
, gpointer module
,
2125 WapiModuleInfo
*modinfo
, guint32 size
)
2127 struct _WapiHandle_process
*process_handle
;
2132 GSList
*mods
= NULL
;
2133 WapiProcModule
*found_module
;
2136 gboolean ret
= FALSE
;
2137 gchar
*proc_name
= NULL
;
2139 mono_once (&process_current_once
, process_set_current
);
2142 g_message ("%s: Getting module info, process handle %p module %p",
2143 __func__
, process
, module
);
2146 if (modinfo
== NULL
|| size
< sizeof(WapiModuleInfo
)) {
2150 if ((GPOINTER_TO_UINT (process
) & _WAPI_PROCESS_UNHANDLED
) == _WAPI_PROCESS_UNHANDLED
) {
2151 /* This is a pseudo handle */
2152 pid
= (pid_t
)(GPOINTER_TO_UINT (process
) & _WAPI_PROCESS_UNHANDLED_PID_MASK
);
2153 proc_name
= get_process_name_from_proc (pid
);
2155 ok
= _wapi_lookup_handle (process
, WAPI_HANDLE_PROCESS
,
2156 (gpointer
*)&process_handle
);
2159 g_message ("%s: Can't find process %p", __func__
,
2165 pid
= process_handle
->id
;
2166 proc_name
= g_strdup (process_handle
->proc_name
);
2169 /* Look up the address in /proc/<pid>/maps */
2170 filename
= g_strdup_printf ("/proc/%d/maps", pid
);
2171 if ((fp
= fopen (filename
, "r")) == NULL
) {
2172 /* No /proc/<pid>/maps, so just return failure
2179 mods
= load_modules (fp
);
2181 count
= g_slist_length (mods
);
2183 /* If module != NULL compare the address.
2184 * If module == NULL we are looking for the main module.
2185 * The best we can do for now check it the module name end with the process name.
2187 for (i
= 0; i
< count
; i
++) {
2188 found_module
= (WapiProcModule
*)g_slist_nth_data (mods
, i
);
2189 if ( ret
== FALSE
&&
2190 ((module
== NULL
&& match_procname_to_modulename (proc_name
, found_module
->filename
)) ||
2191 (module
!= NULL
&& found_module
->address_start
== module
))) {
2192 modinfo
->lpBaseOfDll
= found_module
->address_start
;
2193 modinfo
->SizeOfImage
= (gsize
)(found_module
->address_end
) - (gsize
)(found_module
->address_start
);
2194 modinfo
->EntryPoint
= found_module
->address_offset
;
2198 free_procmodule (found_module
);
2201 g_slist_free (mods
);
2209 gboolean
GetProcessWorkingSetSize (gpointer process
, size_t *min
, size_t *max
)
2211 struct _WapiHandle_process
*process_handle
;
2214 mono_once (&process_current_once
, process_set_current
);
2216 if(min
==NULL
|| max
==NULL
) {
2217 /* Not sure if w32 allows NULLs here or not */
2221 if ((GPOINTER_TO_UINT (process
) & _WAPI_PROCESS_UNHANDLED
) == _WAPI_PROCESS_UNHANDLED
) {
2222 /* This is a pseudo handle, so just fail for now
2227 ok
=_wapi_lookup_handle (process
, WAPI_HANDLE_PROCESS
,
2228 (gpointer
*)&process_handle
);
2231 g_message ("%s: Can't find process %p", __func__
, process
);
2237 *min
=process_handle
->min_working_set
;
2238 *max
=process_handle
->max_working_set
;
2243 gboolean
SetProcessWorkingSetSize (gpointer process
, size_t min
, size_t max
)
2245 struct _WapiHandle_process
*process_handle
;
2248 mono_once (&process_current_once
, process_set_current
);
2250 if ((GPOINTER_TO_UINT (process
) & _WAPI_PROCESS_UNHANDLED
) == _WAPI_PROCESS_UNHANDLED
) {
2251 /* This is a pseudo handle, so just fail for now
2256 ok
=_wapi_lookup_handle (process
, WAPI_HANDLE_PROCESS
,
2257 (gpointer
*)&process_handle
);
2260 g_message ("%s: Can't find process %p", __func__
, process
);
2266 process_handle
->min_working_set
=min
;
2267 process_handle
->max_working_set
=max
;
2274 TerminateProcess (gpointer process
, gint32 exitCode
)
2276 struct _WapiHandle_process
*process_handle
;
2282 if ((GPOINTER_TO_UINT (process
) & _WAPI_PROCESS_UNHANDLED
) == _WAPI_PROCESS_UNHANDLED
) {
2283 /* This is a pseudo handle */
2284 pid
= (pid_t
)(GPOINTER_TO_UINT (process
) & _WAPI_PROCESS_UNHANDLED_PID_MASK
);
2286 ok
= _wapi_lookup_handle (process
, WAPI_HANDLE_PROCESS
,
2287 (gpointer
*) &process_handle
);
2291 g_message ("%s: Can't find process %p", __func__
,
2294 SetLastError (ERROR_INVALID_HANDLE
);
2297 pid
= process_handle
->id
;
2300 signo
= (exitCode
== -1) ? SIGKILL
: SIGTERM
;
2301 ret
= kill (pid
, signo
);
2305 SetLastError (ERROR_INVALID_PARAMETER
);
2308 SetLastError (ERROR_ACCESS_DENIED
);
2311 SetLastError (ERROR_PROC_NOT_FOUND
);
2314 SetLastError (ERROR_GEN_FAILURE
);
2322 GetPriorityClass (gpointer process
)
2324 #ifdef HAVE_GETPRIORITY
2325 struct _WapiHandle_process
*process_handle
;
2330 if ((GPOINTER_TO_UINT (process
) & _WAPI_PROCESS_UNHANDLED
) == _WAPI_PROCESS_UNHANDLED
) {
2331 /* This is a pseudo handle */
2332 pid
= (pid_t
)(GPOINTER_TO_UINT (process
) & _WAPI_PROCESS_UNHANDLED_PID_MASK
);
2334 ok
= _wapi_lookup_handle (process
, WAPI_HANDLE_PROCESS
,
2335 (gpointer
*) &process_handle
);
2338 SetLastError (ERROR_INVALID_HANDLE
);
2341 pid
= process_handle
->id
;
2345 ret
= getpriority (PRIO_PROCESS
, pid
);
2346 if (ret
== -1 && errno
!= 0) {
2350 SetLastError (ERROR_ACCESS_DENIED
);
2353 SetLastError (ERROR_PROC_NOT_FOUND
);
2356 SetLastError (ERROR_GEN_FAILURE
);
2362 return NORMAL_PRIORITY_CLASS
;
2364 return REALTIME_PRIORITY_CLASS
;
2366 return HIGH_PRIORITY_CLASS
;
2368 return ABOVE_NORMAL_PRIORITY_CLASS
;
2370 return IDLE_PRIORITY_CLASS
;
2372 return BELOW_NORMAL_PRIORITY_CLASS
;
2374 return NORMAL_PRIORITY_CLASS
;
2376 SetLastError (ERROR_NOT_SUPPORTED
);
2382 SetPriorityClass (gpointer process
, guint32 priority_class
)
2384 #ifdef HAVE_SETPRIORITY
2385 struct _WapiHandle_process
*process_handle
;
2391 if ((GPOINTER_TO_UINT (process
) & _WAPI_PROCESS_UNHANDLED
) == _WAPI_PROCESS_UNHANDLED
) {
2392 /* This is a pseudo handle */
2393 pid
= (pid_t
)(GPOINTER_TO_UINT (process
) & _WAPI_PROCESS_UNHANDLED_PID_MASK
);
2395 ok
= _wapi_lookup_handle (process
, WAPI_HANDLE_PROCESS
,
2396 (gpointer
*) &process_handle
);
2399 SetLastError (ERROR_INVALID_HANDLE
);
2402 pid
= process_handle
->id
;
2405 switch (priority_class
) {
2406 case IDLE_PRIORITY_CLASS
:
2409 case BELOW_NORMAL_PRIORITY_CLASS
:
2412 case NORMAL_PRIORITY_CLASS
:
2415 case ABOVE_NORMAL_PRIORITY_CLASS
:
2418 case HIGH_PRIORITY_CLASS
:
2421 case REALTIME_PRIORITY_CLASS
:
2425 SetLastError (ERROR_INVALID_PARAMETER
);
2429 ret
= setpriority (PRIO_PROCESS
, pid
, prio
);
2434 SetLastError (ERROR_ACCESS_DENIED
);
2437 SetLastError (ERROR_PROC_NOT_FOUND
);
2440 SetLastError (ERROR_GEN_FAILURE
);
2446 SetLastError (ERROR_NOT_SUPPORTED
);