2 * Server-side process management
4 * Copyright (C) 1998 Alexandre Julliard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 #include "wine/port.h"
32 #ifdef HAVE_SYS_SOCKET_H
33 # include <sys/socket.h>
41 #define WIN32_NO_STATUS
52 /* process structure */
54 static struct list process_list = LIST_INIT(process_list);
55 static int running_processes, user_processes;
56 static struct event *shutdown_event; /* signaled when shutdown starts */
57 static struct timeout_user *shutdown_timeout; /* timeout for server shutdown */
58 static int shutting_down; /* are we in the process of shutting down the server? */
60 /* process operations */
62 static void process_dump( struct object *obj, int verbose );
63 static int process_signaled( struct object *obj, struct thread *thread );
64 static unsigned int process_map_access( struct object *obj, unsigned int access );
65 static void process_poll_event( struct fd *fd, int event );
66 static void process_destroy( struct object *obj );
68 static const struct object_ops process_ops =
70 sizeof(struct process), /* size */
71 process_dump, /* dump */
72 no_get_type, /* get_type */
73 add_queue, /* add_queue */
74 remove_queue, /* remove_queue */
75 process_signaled, /* signaled */
76 no_satisfied, /* satisfied */
77 no_signal, /* signal */
78 no_get_fd, /* get_fd */
79 process_map_access, /* map_access */
80 default_get_sd, /* get_sd */
81 default_set_sd, /* set_sd */
82 no_lookup_name, /* lookup_name */
83 no_open_file, /* open_file */
84 no_close_handle, /* close_handle */
85 process_destroy /* destroy */
88 static const struct fd_ops process_fd_ops =
90 NULL, /* get_poll_events */
91 process_poll_event, /* poll_event */
93 NULL, /* get_fd_type */
95 NULL, /* queue_async */
96 NULL, /* reselect_async */
97 NULL /* cancel async */
100 /* process startup info */
104 struct object obj; /* object header */
105 obj_handle_t hstdin; /* handle for stdin */
106 obj_handle_t hstdout; /* handle for stdout */
107 obj_handle_t hstderr; /* handle for stderr */
108 struct file *exe_file; /* file handle for main exe */
109 struct process *process; /* created process */
110 data_size_t data_size; /* size of startup data */
111 void *data; /* data for startup info */
114 static void startup_info_dump( struct object *obj, int verbose );
115 static int startup_info_signaled( struct object *obj, struct thread *thread );
116 static void startup_info_destroy( struct object *obj );
118 static const struct object_ops startup_info_ops =
120 sizeof(struct startup_info), /* size */
121 startup_info_dump, /* dump */
122 no_get_type, /* get_type */
123 add_queue, /* add_queue */
124 remove_queue, /* remove_queue */
125 startup_info_signaled, /* signaled */
126 no_satisfied, /* satisfied */
127 no_signal, /* signal */
128 no_get_fd, /* get_fd */
129 no_map_access, /* map_access */
130 default_get_sd, /* get_sd */
131 default_set_sd, /* set_sd */
132 no_lookup_name, /* lookup_name */
133 no_open_file, /* open_file */
134 no_close_handle, /* close_handle */
135 startup_info_destroy /* destroy */
141 void *ptr; /* entry ptr */
142 unsigned int next; /* next free entry */
145 static struct ptid_entry *ptid_entries; /* array of ptid entries */
146 static unsigned int used_ptid_entries; /* number of entries in use */
147 static unsigned int alloc_ptid_entries; /* number of allocated entries */
148 static unsigned int next_free_ptid; /* next free entry */
149 static unsigned int last_free_ptid; /* last free entry */
151 #define PTID_OFFSET 8 /* offset for first ptid value */
153 /* allocate a new process or thread id */
154 unsigned int alloc_ptid( void *ptr )
156 struct ptid_entry *entry;
159 if (used_ptid_entries < alloc_ptid_entries)
161 id = used_ptid_entries + PTID_OFFSET;
162 entry = &ptid_entries[used_ptid_entries++];
164 else if (next_free_ptid)
167 entry = &ptid_entries[id - PTID_OFFSET];
168 if (!(next_free_ptid = entry->next)) last_free_ptid = 0;
170 else /* need to grow the array */
172 unsigned int count = alloc_ptid_entries + (alloc_ptid_entries / 2);
173 if (!count) count = 64;
174 if (!(entry = realloc( ptid_entries, count * sizeof(*entry) )))
176 set_error( STATUS_NO_MEMORY );
179 ptid_entries = entry;
180 alloc_ptid_entries = count;
181 id = used_ptid_entries + PTID_OFFSET;
182 entry = &ptid_entries[used_ptid_entries++];
189 /* free a process or thread id */
190 void free_ptid( unsigned int id )
192 struct ptid_entry *entry = &ptid_entries[id - PTID_OFFSET];
197 /* append to end of free list so that we don't reuse it too early */
198 if (last_free_ptid) ptid_entries[last_free_ptid - PTID_OFFSET].next = id;
199 else next_free_ptid = id;
204 /* retrieve the pointer corresponding to a process or thread id */
205 void *get_ptid_entry( unsigned int id )
207 if (id < PTID_OFFSET) return NULL;
208 if (id - PTID_OFFSET >= used_ptid_entries) return NULL;
209 return ptid_entries[id - PTID_OFFSET].ptr;
212 /* return the main thread of the process */
213 struct thread *get_process_first_thread( struct process *process )
215 struct list *ptr = list_head( &process->thread_list );
216 if (!ptr) return NULL;
217 return LIST_ENTRY( ptr, struct thread, proc_entry );
220 /* set the state of the process startup info */
221 static void set_process_startup_state( struct process *process, enum startup_state state )
223 if (process->startup_state == STARTUP_IN_PROGRESS) process->startup_state = state;
224 if (process->startup_info)
226 wake_up( &process->startup_info->obj, 0 );
227 release_object( process->startup_info );
228 process->startup_info = NULL;
232 /* callback for server shutdown */
233 static void server_shutdown_timeout( void *arg )
235 shutdown_timeout = NULL;
236 if (!running_processes) close_master_socket( 0 );
239 if (debug_level) fprintf( stderr, "wineserver: shutting down\n" );
240 if (shutdown_event) set_event( shutdown_event );
241 /* leave 2 seconds for system processes to exit */
242 close_master_socket( 2 * -TICKS_PER_SEC );
247 /* final cleanup once we are sure a process is really dead */
248 static void process_died( struct process *process )
250 if (debug_level) fprintf( stderr, "%04x: *process killed*\n", process->id );
251 if (!process->is_system)
253 if (!--user_processes && master_socket_timeout != TIMEOUT_INFINITE)
254 shutdown_timeout = add_timeout_user( master_socket_timeout, server_shutdown_timeout, NULL );
256 release_object( process );
257 if (!--running_processes && shutting_down) close_master_socket( 0 );
260 /* callback for process sigkill timeout */
261 static void process_sigkill( void *private )
263 struct process *process = private;
265 process->sigkill_timeout = NULL;
266 kill( process->unix_pid, SIGKILL );
267 process_died( process );
270 /* start the sigkill timer for a process upon exit */
271 static void start_sigkill_timer( struct process *process )
273 grab_object( process );
274 if (process->unix_pid != -1 && process->msg_fd)
275 process->sigkill_timeout = add_timeout_user( -TICKS_PER_SEC, process_sigkill, process );
277 process_died( process );
280 /* create a new process and its main thread */
281 /* if the function fails the fd is closed */
282 struct thread *create_process( int fd, struct thread *parent_thread, int inherit_all )
284 struct process *process;
285 struct thread *thread = NULL;
288 if (!(process = alloc_object( &process_ops )))
293 process->parent = NULL;
294 process->debugger = NULL;
295 process->handles = NULL;
296 process->msg_fd = NULL;
297 process->sigkill_timeout = NULL;
298 process->unix_pid = -1;
299 process->exit_code = STILL_ACTIVE;
300 process->running_threads = 0;
301 process->priority = PROCESS_PRIOCLASS_NORMAL;
302 process->affinity = 1;
303 process->suspend = 0;
304 process->is_system = 0;
305 process->create_flags = 0;
306 process->console = NULL;
307 process->startup_state = STARTUP_IN_PROGRESS;
308 process->startup_info = NULL;
309 process->idle_event = NULL;
310 process->queue = NULL;
312 process->ldt_copy = NULL;
313 process->winstation = 0;
314 process->desktop = 0;
315 process->token = NULL;
316 process->trace_data = 0;
317 list_init( &process->thread_list );
318 list_init( &process->locks );
319 list_init( &process->classes );
320 list_init( &process->dlls );
322 process->start_time = current_time;
323 process->end_time = 0;
324 list_add_head( &process_list, &process->entry );
326 if (!(process->id = process->group_id = alloc_ptid( process )))
331 if (!(process->msg_fd = create_anonymous_fd( &process_fd_ops, fd, &process->obj, 0 ))) goto error;
333 /* create the handle table */
336 process->handles = alloc_handle_table( process, 0 );
337 process->token = token_create_admin();
341 struct process *parent = parent_thread->process;
342 process->parent = (struct process *)grab_object( parent );
343 process->handles = inherit_all ? copy_handle_table( process, parent )
344 : alloc_handle_table( process, 0 );
345 /* Note: for security reasons, starting a new process does not attempt
346 * to use the current impersonation token for the new process */
347 process->token = token_duplicate( parent->token, TRUE, 0 );
349 if (!process->handles || !process->token) goto error;
351 /* create the main thread */
352 if (pipe( request_pipe ) == -1)
357 if (send_client_fd( process, request_pipe[1], 0 ) == -1)
359 close( request_pipe[0] );
360 close( request_pipe[1] );
363 close( request_pipe[1] );
364 if (!(thread = create_thread( request_pipe[0], process ))) goto error;
366 set_fd_events( process->msg_fd, POLLIN ); /* start listening to events */
367 release_object( process );
371 if (process) release_object( process );
372 /* if we failed to start our first process, close everything down */
373 if (!running_processes) close_master_socket( 0 );
377 /* initialize the current process and fill in the request */
378 data_size_t init_process( struct thread *thread )
380 struct process *process = thread->process;
381 struct startup_info *info = process->startup_info;
383 init_process_tracing( process );
385 return info->data_size;
388 /* destroy a process when its refcount is 0 */
389 static void process_destroy( struct object *obj )
391 struct process *process = (struct process *)obj;
392 assert( obj->ops == &process_ops );
394 /* we can't have a thread remaining */
395 assert( list_empty( &process->thread_list ));
397 assert( !process->sigkill_timeout ); /* timeout should hold a reference to the process */
399 set_process_startup_state( process, STARTUP_ABORTED );
400 if (process->console) release_object( process->console );
401 if (process->parent) release_object( process->parent );
402 if (process->msg_fd) release_object( process->msg_fd );
403 list_remove( &process->entry );
404 if (process->idle_event) release_object( process->idle_event );
405 if (process->queue) release_object( process->queue );
406 if (process->id) free_ptid( process->id );
407 if (process->token) release_object( process->token );
410 /* dump a process on stdout for debugging purposes */
411 static void process_dump( struct object *obj, int verbose )
413 struct process *process = (struct process *)obj;
414 assert( obj->ops == &process_ops );
416 fprintf( stderr, "Process id=%04x handles=%p\n", process->id, process->handles );
419 static int process_signaled( struct object *obj, struct thread *thread )
421 struct process *process = (struct process *)obj;
422 return !process->running_threads;
425 static unsigned int process_map_access( struct object *obj, unsigned int access )
427 if (access & GENERIC_READ) access |= STANDARD_RIGHTS_READ | SYNCHRONIZE;
428 if (access & GENERIC_WRITE) access |= STANDARD_RIGHTS_WRITE | SYNCHRONIZE;
429 if (access & GENERIC_EXECUTE) access |= STANDARD_RIGHTS_EXECUTE;
430 if (access & GENERIC_ALL) access |= PROCESS_ALL_ACCESS;
431 return access & ~(GENERIC_READ | GENERIC_WRITE | GENERIC_EXECUTE | GENERIC_ALL);
434 static void process_poll_event( struct fd *fd, int event )
436 struct process *process = get_fd_user( fd );
437 assert( process->obj.ops == &process_ops );
439 if (event & (POLLERR | POLLHUP))
441 release_object( process->msg_fd );
442 process->msg_fd = NULL;
443 if (process->sigkill_timeout) /* already waiting for it to die */
445 remove_timeout_user( process->sigkill_timeout );
446 process->sigkill_timeout = NULL;
447 process_died( process );
449 else kill_process( process, 0 );
451 else if (event & POLLIN) receive_fd( process );
454 static void startup_info_destroy( struct object *obj )
456 struct startup_info *info = (struct startup_info *)obj;
457 assert( obj->ops == &startup_info_ops );
459 if (info->exe_file) release_object( info->exe_file );
460 if (info->process) release_object( info->process );
463 static void startup_info_dump( struct object *obj, int verbose )
465 struct startup_info *info = (struct startup_info *)obj;
466 assert( obj->ops == &startup_info_ops );
468 fprintf( stderr, "Startup info in=%p out=%p err=%p\n",
469 info->hstdin, info->hstdout, info->hstderr );
472 static int startup_info_signaled( struct object *obj, struct thread *thread )
474 struct startup_info *info = (struct startup_info *)obj;
475 return info->process && info->process->startup_state != STARTUP_IN_PROGRESS;
478 /* get a process from an id (and increment the refcount) */
479 struct process *get_process_from_id( process_id_t id )
481 struct object *obj = get_ptid_entry( id );
483 if (obj && obj->ops == &process_ops) return (struct process *)grab_object( obj );
484 set_error( STATUS_INVALID_PARAMETER );
488 /* get a process from a handle (and increment the refcount) */
489 struct process *get_process_from_handle( obj_handle_t handle, unsigned int access )
491 return (struct process *)get_handle_obj( current->process, handle,
492 access, &process_ops );
495 /* find a dll from its base address */
496 static inline struct process_dll *find_process_dll( struct process *process, void *base )
498 struct process_dll *dll;
500 LIST_FOR_EACH_ENTRY( dll, &process->dlls, struct process_dll, entry )
502 if (dll->base == base) return dll;
507 /* add a dll to a process list */
508 static struct process_dll *process_load_dll( struct process *process, struct file *file,
509 void *base, const WCHAR *filename, data_size_t name_len )
511 struct process_dll *dll;
513 /* make sure we don't already have one with the same base address */
514 if (find_process_dll( process, base ))
516 set_error( STATUS_INVALID_PARAMETER );
520 if ((dll = mem_alloc( sizeof(*dll) )))
524 dll->filename = NULL;
525 dll->namelen = name_len;
526 if (name_len && !(dll->filename = memdup( filename, name_len )))
531 if (file) dll->file = grab_file_unless_removable( file );
532 list_add_tail( &process->dlls, &dll->entry );
537 /* remove a dll from a process list */
538 static void process_unload_dll( struct process *process, void *base )
540 struct process_dll *dll = find_process_dll( process, base );
542 if (dll && (&dll->entry != list_head( &process->dlls ))) /* main exe can't be unloaded */
544 if (dll->file) release_object( dll->file );
545 free( dll->filename );
546 list_remove( &dll->entry );
548 generate_debug_event( current, UNLOAD_DLL_DEBUG_EVENT, base );
550 else set_error( STATUS_INVALID_PARAMETER );
553 /* terminate a process with the given exit code */
554 static void terminate_process( struct process *process, struct thread *skip, int exit_code )
558 if (skip && skip->process == process) /* move it to the end of the list */
560 assert( skip->state != TERMINATED );
561 list_remove( &skip->proc_entry );
562 list_add_tail( &process->thread_list, &skip->proc_entry );
565 grab_object( process ); /* make sure it doesn't get freed when threads die */
566 while ((ptr = list_head( &process->thread_list )))
568 struct thread *thread = LIST_ENTRY( ptr, struct thread, proc_entry );
570 if (exit_code) thread->exit_code = exit_code;
571 if (thread == skip) break;
572 kill_thread( thread, 1 );
574 release_object( process );
577 /* kill all processes */
578 static void kill_all_processes( struct process *skip, int exit_code )
582 struct process *process;
584 LIST_FOR_EACH_ENTRY( process, &process_list, struct process, entry )
586 if (process == skip) continue;
587 if (process->running_threads) break;
589 if (&process->entry == &process_list) break; /* no process found */
590 terminate_process( process, NULL, exit_code );
594 /* forced shutdown, used for wineserver -k */
595 void shutdown_master_socket(void)
597 kill_all_processes( NULL, 1 );
598 master_socket_timeout = 0;
599 if (shutdown_timeout)
601 remove_timeout_user( shutdown_timeout );
602 shutdown_timeout = NULL;
604 if (!shutting_down) server_shutdown_timeout( NULL );
607 /* kill all processes being attached to a console renderer */
608 void kill_console_processes( struct thread *renderer, int exit_code )
610 for (;;) /* restart from the beginning of the list every time */
612 struct process *process;
614 /* find the first process being attached to 'renderer' and still running */
615 LIST_FOR_EACH_ENTRY( process, &process_list, struct process, entry )
617 if (process == renderer->process) continue;
618 if (!process->running_threads) continue;
619 if (process->console && console_get_renderer( process->console ) == renderer) break;
621 if (&process->entry == &process_list) break; /* no process found */
622 terminate_process( process, NULL, exit_code );
626 /* a process has been killed (i.e. its last thread died) */
627 static void process_killed( struct process *process )
629 struct handle_table *handles;
632 assert( list_empty( &process->thread_list ));
633 process->end_time = current_time;
634 if (!process->is_system) close_process_desktop( process );
635 handles = process->handles;
636 process->handles = NULL;
637 if (handles) release_object( handles );
639 /* close the console attached to this process, if any */
640 free_console( process );
642 while ((ptr = list_head( &process->dlls )))
644 struct process_dll *dll = LIST_ENTRY( ptr, struct process_dll, entry );
645 if (dll->file) release_object( dll->file );
646 free( dll->filename );
647 list_remove( &dll->entry );
650 destroy_process_classes( process );
651 remove_process_locks( process );
652 set_process_startup_state( process, STARTUP_ABORTED );
653 finish_process_tracing( process );
654 start_sigkill_timer( process );
655 wake_up( &process->obj, 0 );
658 /* add a thread to a process running threads list */
659 void add_process_thread( struct process *process, struct thread *thread )
661 list_add_tail( &process->thread_list, &thread->proc_entry );
662 if (!process->running_threads++)
665 if (!process->is_system)
667 if (!user_processes++ && shutdown_timeout)
669 remove_timeout_user( shutdown_timeout );
670 shutdown_timeout = NULL;
674 grab_object( thread );
677 /* remove a thread from a process running threads list */
678 void remove_process_thread( struct process *process, struct thread *thread )
680 assert( process->running_threads > 0 );
681 assert( !list_empty( &process->thread_list ));
683 list_remove( &thread->proc_entry );
685 if (!--process->running_threads)
687 /* we have removed the last running thread, exit the process */
688 process->exit_code = thread->exit_code;
689 generate_debug_event( thread, EXIT_PROCESS_DEBUG_EVENT, process );
690 process_killed( process );
692 else generate_debug_event( thread, EXIT_THREAD_DEBUG_EVENT, thread );
693 release_object( thread );
696 /* suspend all the threads of a process */
697 void suspend_process( struct process *process )
699 if (!process->suspend++)
701 struct list *ptr, *next;
703 LIST_FOR_EACH_SAFE( ptr, next, &process->thread_list )
705 struct thread *thread = LIST_ENTRY( ptr, struct thread, proc_entry );
706 if (!thread->suspend) stop_thread( thread );
711 /* resume all the threads of a process */
712 void resume_process( struct process *process )
714 assert (process->suspend > 0);
715 if (!--process->suspend)
717 struct list *ptr, *next;
719 LIST_FOR_EACH_SAFE( ptr, next, &process->thread_list )
721 struct thread *thread = LIST_ENTRY( ptr, struct thread, proc_entry );
722 if (!thread->suspend) wake_thread( thread );
727 /* kill a process on the spot */
728 void kill_process( struct process *process, int violent_death )
730 if (violent_death) terminate_process( process, NULL, 1 );
735 grab_object( process ); /* make sure it doesn't get freed when threads die */
736 while ((ptr = list_head( &process->thread_list )))
738 struct thread *thread = LIST_ENTRY( ptr, struct thread, proc_entry );
739 kill_thread( thread, 0 );
741 release_object( process );
745 /* kill all processes being debugged by a given thread */
746 void kill_debugged_processes( struct thread *debugger, int exit_code )
748 for (;;) /* restart from the beginning of the list every time */
750 struct process *process;
752 /* find the first process being debugged by 'debugger' and still running */
753 LIST_FOR_EACH_ENTRY( process, &process_list, struct process, entry )
755 if (!process->running_threads) continue;
756 if (process->debugger == debugger) break;
758 if (&process->entry == &process_list) break; /* no process found */
759 process->debugger = NULL;
760 terminate_process( process, NULL, exit_code );
765 /* trigger a breakpoint event in a given process */
766 void break_process( struct process *process )
768 struct thread *thread;
770 suspend_process( process );
772 LIST_FOR_EACH_ENTRY( thread, &process->thread_list, struct thread, proc_entry )
774 if (thread->context) /* inside an exception event already */
776 break_thread( thread );
780 if ((thread = get_process_first_thread( process ))) thread->debug_break = 1;
781 else set_error( STATUS_ACCESS_DENIED );
783 resume_process( process );
787 /* detach a debugger from all its debuggees */
788 void detach_debugged_processes( struct thread *debugger )
790 struct process *process;
792 LIST_FOR_EACH_ENTRY( process, &process_list, struct process, entry )
794 if (process->debugger == debugger && process->running_threads)
796 debugger_detach( process, debugger );
802 void enum_processes( int (*cb)(struct process*, void*), void *user )
804 struct list *ptr, *next;
806 LIST_FOR_EACH_SAFE( ptr, next, &process_list )
808 struct process *process = LIST_ENTRY( ptr, struct process, entry );
809 if ((cb)(process, user)) break;
813 /* set the debugged flag in the process PEB */
814 int set_process_debug_flag( struct process *process, int flag )
816 char data = (flag != 0);
818 /* BeingDebugged flag is the byte at offset 2 in the PEB */
819 return write_process_memory( process, (char *)process->peb + 2, 1, &data );
822 /* take a snapshot of currently running processes */
823 struct process_snapshot *process_snap( int *count )
825 struct process_snapshot *snapshot, *ptr;
826 struct process *process;
828 if (!running_processes) return NULL;
829 if (!(snapshot = mem_alloc( sizeof(*snapshot) * running_processes )))
832 LIST_FOR_EACH_ENTRY( process, &process_list, struct process, entry )
834 if (!process->running_threads) continue;
835 ptr->process = process;
836 ptr->threads = process->running_threads;
837 ptr->count = process->obj.refcount;
838 ptr->priority = process->priority;
839 ptr->handles = get_handle_table_count(process);
840 grab_object( process );
844 if (!(*count = ptr - snapshot))
852 /* take a snapshot of the modules of a process */
853 struct module_snapshot *module_snap( struct process *process, int *count )
855 struct module_snapshot *snapshot, *ptr;
856 struct process_dll *dll;
859 LIST_FOR_EACH_ENTRY( dll, &process->dlls, struct process_dll, entry ) total++;
860 if (!(snapshot = mem_alloc( sizeof(*snapshot) * total ))) return NULL;
863 LIST_FOR_EACH_ENTRY( dll, &process->dlls, struct process_dll, entry )
865 ptr->base = dll->base;
866 ptr->size = dll->size;
867 ptr->namelen = dll->namelen;
868 ptr->filename = memdup( dll->filename, dll->namelen );
876 /* create a new process */
877 DECL_HANDLER(new_process)
879 struct startup_info *info;
880 struct thread *thread;
881 struct process *process;
882 struct process *parent = current->process;
883 int socket_fd = thread_get_inflight_fd( current, req->socket_fd );
887 set_error( STATUS_INVALID_PARAMETER );
890 if (fcntl( socket_fd, F_SETFL, O_NONBLOCK ) == -1)
892 set_error( STATUS_INVALID_HANDLE );
898 set_error( STATUS_SHUTDOWN_IN_PROGRESS );
903 /* build the startup info for a new process */
904 if (!(info = alloc_object( &startup_info_ops ))) return;
905 info->hstdin = req->hstdin;
906 info->hstdout = req->hstdout;
907 info->hstderr = req->hstderr;
908 info->exe_file = NULL;
909 info->process = NULL;
910 info->data_size = get_req_data_size();
914 !(info->exe_file = get_file_obj( current->process, req->exe_file, FILE_READ_DATA )))
917 if (!(info->data = memdup( get_req_data(), info->data_size ))) goto done;
919 if (!(thread = create_process( socket_fd, current, req->inherit_all ))) goto done;
920 process = thread->process;
921 process->create_flags = req->create_flags;
922 process->startup_info = (struct startup_info *)grab_object( info );
924 /* connect to the window station */
925 connect_process_winstation( process, current );
927 /* thread will be actually suspended in init_done */
928 if (req->create_flags & CREATE_SUSPENDED) thread->suspend++;
930 /* set the process console */
931 if (!(req->create_flags & (DETACHED_PROCESS | CREATE_NEW_CONSOLE)))
933 /* FIXME: some better error checking should be done...
934 * like if hConOut and hConIn are console handles, then they should be on the same
937 inherit_console( current, process, req->inherit_all ? req->hstdin : 0 );
940 if (!req->inherit_all && !(req->create_flags & CREATE_NEW_CONSOLE))
942 info->hstdin = duplicate_handle( parent, req->hstdin, process,
943 0, OBJ_INHERIT, DUPLICATE_SAME_ACCESS );
944 info->hstdout = duplicate_handle( parent, req->hstdout, process,
945 0, OBJ_INHERIT, DUPLICATE_SAME_ACCESS );
946 info->hstderr = duplicate_handle( parent, req->hstderr, process,
947 0, OBJ_INHERIT, DUPLICATE_SAME_ACCESS );
948 /* some handles above may have been invalid; this is not an error */
949 if (get_error() == STATUS_INVALID_HANDLE ||
950 get_error() == STATUS_OBJECT_TYPE_MISMATCH) clear_error();
953 /* attach to the debugger if requested */
954 if (req->create_flags & (DEBUG_PROCESS | DEBUG_ONLY_THIS_PROCESS))
955 set_process_debugger( process, current );
956 else if (parent->debugger && !(parent->create_flags & DEBUG_ONLY_THIS_PROCESS))
957 set_process_debugger( process, parent->debugger );
959 if (!(req->create_flags & CREATE_NEW_PROCESS_GROUP))
960 process->group_id = parent->group_id;
962 info->process = (struct process *)grab_object( process );
963 reply->info = alloc_handle( current->process, info, SYNCHRONIZE, 0 );
964 reply->pid = get_process_id( process );
965 reply->tid = get_thread_id( thread );
966 reply->phandle = alloc_handle( parent, process, req->process_access, req->process_attr );
967 reply->thandle = alloc_handle( parent, thread, req->thread_access, req->thread_attr );
970 release_object( info );
973 /* Retrieve information about a newly started process */
974 DECL_HANDLER(get_new_process_info)
976 struct startup_info *info;
978 if ((info = (struct startup_info *)get_handle_obj( current->process, req->info,
979 0, &startup_info_ops )))
981 reply->success = is_process_init_done( info->process );
982 reply->exit_code = info->process->exit_code;
983 release_object( info );
987 /* Retrieve the new process startup info */
988 DECL_HANDLER(get_startup_info)
990 struct process *process = current->process;
991 struct startup_info *info = process->startup_info;
996 if (info->exe_file &&
997 !(reply->exe_file = alloc_handle( process, info->exe_file, GENERIC_READ, 0 ))) return;
999 reply->hstdin = info->hstdin;
1000 reply->hstdout = info->hstdout;
1001 reply->hstderr = info->hstderr;
1003 /* we return the data directly without making a copy so this can only be called once */
1004 size = info->data_size;
1005 if (size > get_reply_max_size()) size = get_reply_max_size();
1006 set_reply_data_ptr( info->data, size );
1008 info->data_size = 0;
1011 /* signal the end of the process initialization */
1012 DECL_HANDLER(init_process_done)
1014 struct process_dll *dll;
1015 struct process *process = current->process;
1017 if (is_process_init_done(process))
1019 set_error( STATUS_INVALID_PARAMETER );
1022 if (!(dll = find_process_dll( process, req->module )))
1024 set_error( STATUS_DLL_NOT_FOUND );
1028 /* main exe is the first in the dll list */
1029 list_remove( &dll->entry );
1030 list_add_head( &process->dlls, &dll->entry );
1032 generate_startup_debug_events( process, req->entry );
1033 set_process_startup_state( process, STARTUP_DONE );
1035 if (req->gui) process->idle_event = create_event( NULL, NULL, 0, 1, 0, NULL );
1036 if (current->suspend + process->suspend > 0) stop_thread( current );
1037 if (process->debugger) set_process_debug_flag( process, 1 );
1040 /* open a handle to a process */
1041 DECL_HANDLER(open_process)
1043 struct process *process = get_process_from_id( req->pid );
1047 reply->handle = alloc_handle( current->process, process, req->access, req->attributes );
1048 release_object( process );
1052 /* terminate a process */
1053 DECL_HANDLER(terminate_process)
1055 struct process *process;
1057 if ((process = get_process_from_handle( req->handle, PROCESS_TERMINATE )))
1059 reply->self = (current->process == process);
1060 terminate_process( process, current, req->exit_code );
1061 release_object( process );
1065 /* fetch information about a process */
1066 DECL_HANDLER(get_process_info)
1068 struct process *process;
1070 if ((process = get_process_from_handle( req->handle, PROCESS_QUERY_INFORMATION )))
1072 reply->pid = get_process_id( process );
1073 reply->ppid = process->parent ? get_process_id( process->parent ) : 0;
1074 reply->exit_code = process->exit_code;
1075 reply->priority = process->priority;
1076 reply->affinity = process->affinity;
1077 reply->peb = process->peb;
1078 reply->start_time = process->start_time;
1079 reply->end_time = process->end_time;
1080 release_object( process );
1084 /* set information about a process */
1085 DECL_HANDLER(set_process_info)
1087 struct process *process;
1089 if ((process = get_process_from_handle( req->handle, PROCESS_SET_INFORMATION )))
1091 if (req->mask & SET_PROCESS_INFO_PRIORITY) process->priority = req->priority;
1092 if (req->mask & SET_PROCESS_INFO_AFFINITY)
1094 if (req->affinity != 1) set_error( STATUS_INVALID_PARAMETER );
1095 else process->affinity = req->affinity;
1097 release_object( process );
1101 /* read data from a process address space */
1102 DECL_HANDLER(read_process_memory)
1104 struct process *process;
1105 data_size_t len = get_reply_max_size();
1107 if (!(process = get_process_from_handle( req->handle, PROCESS_VM_READ ))) return;
1111 char *buffer = mem_alloc( len );
1114 if (read_process_memory( process, req->addr, len, buffer ))
1115 set_reply_data_ptr( buffer, len );
1120 release_object( process );
1123 /* write data to a process address space */
1124 DECL_HANDLER(write_process_memory)
1126 struct process *process;
1128 if ((process = get_process_from_handle( req->handle, PROCESS_VM_WRITE )))
1130 data_size_t len = get_req_data_size();
1131 if (len) write_process_memory( process, req->addr, len, get_req_data() );
1132 else set_error( STATUS_INVALID_PARAMETER );
1133 release_object( process );
1137 /* notify the server that a dll has been loaded */
1138 DECL_HANDLER(load_dll)
1140 struct process_dll *dll;
1141 struct file *file = NULL;
1143 if (req->handle && !(file = get_file_obj( current->process, req->handle, FILE_READ_DATA )))
1146 if ((dll = process_load_dll( current->process, file, req->base,
1147 get_req_data(), get_req_data_size() )))
1149 dll->size = req->size;
1150 dll->dbg_offset = req->dbg_offset;
1151 dll->dbg_size = req->dbg_size;
1152 dll->name = req->name;
1153 /* only generate event if initialization is done */
1154 if (is_process_init_done( current->process ))
1155 generate_debug_event( current, LOAD_DLL_DEBUG_EVENT, dll );
1157 if (file) release_object( file );
1160 /* notify the server that a dll is being unloaded */
1161 DECL_HANDLER(unload_dll)
1163 process_unload_dll( current->process, req->base );
1166 /* retrieve information about a module in a process */
1167 DECL_HANDLER(get_dll_info)
1169 struct process *process;
1171 if ((process = get_process_from_handle( req->handle, PROCESS_QUERY_INFORMATION )))
1173 struct process_dll *dll;
1175 if (req->base_address)
1176 dll = find_process_dll( process, req->base_address );
1177 else /* NULL means main module */
1178 dll = list_head( &process->dlls ) ?
1179 LIST_ENTRY(list_head( &process->dlls ), struct process_dll, entry) : NULL;
1183 reply->size = dll->size;
1184 reply->entry_point = NULL; /* FIXME */
1185 reply->filename_len = dll->namelen;
1188 if (dll->namelen <= get_reply_max_size())
1189 set_reply_data( dll->filename, dll->namelen );
1191 set_error( STATUS_BUFFER_TOO_SMALL );
1195 set_error( STATUS_DLL_NOT_FOUND );
1197 release_object( process );
1201 /* retrieve the process idle event */
1202 DECL_HANDLER(get_process_idle_event)
1204 struct process *process;
1207 if ((process = get_process_from_handle( req->handle, PROCESS_QUERY_INFORMATION )))
1209 if (process->idle_event && process != current->process)
1210 reply->event = alloc_handle( current->process, process->idle_event,
1211 EVENT_ALL_ACCESS, 0 );
1212 release_object( process );
1216 /* make the current process a system process */
1217 DECL_HANDLER(make_process_system)
1219 struct process *process = current->process;
1221 if (!shutdown_event)
1223 if (!(shutdown_event = create_event( NULL, NULL, 0, 1, 0, NULL ))) return;
1224 make_object_static( (struct object *)shutdown_event );
1227 if (!(reply->event = alloc_handle( current->process, shutdown_event, SYNCHRONIZE, 0 )))
1230 if (!process->is_system)
1232 process->is_system = 1;
1233 close_process_desktop( process );
1234 if (!--user_processes && master_socket_timeout != TIMEOUT_INFINITE)
1235 shutdown_timeout = add_timeout_user( master_socket_timeout, server_shutdown_timeout, NULL );