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 shutdown_stage; /* current stage in the shutdown process */
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 struct file *exe_file; /* file handle for main exe */
106 struct process *process; /* created process */
107 data_size_t info_size; /* size of startup info */
108 data_size_t data_size; /* size of whole startup data */
109 startup_info_t *data; /* data for startup info */
112 static void startup_info_dump( struct object *obj, int verbose );
113 static int startup_info_signaled( struct object *obj, struct thread *thread );
114 static void startup_info_destroy( struct object *obj );
116 static const struct object_ops startup_info_ops =
118 sizeof(struct startup_info), /* size */
119 startup_info_dump, /* dump */
120 no_get_type, /* get_type */
121 add_queue, /* add_queue */
122 remove_queue, /* remove_queue */
123 startup_info_signaled, /* signaled */
124 no_satisfied, /* satisfied */
125 no_signal, /* signal */
126 no_get_fd, /* get_fd */
127 no_map_access, /* map_access */
128 default_get_sd, /* get_sd */
129 default_set_sd, /* set_sd */
130 no_lookup_name, /* lookup_name */
131 no_open_file, /* open_file */
132 no_close_handle, /* close_handle */
133 startup_info_destroy /* destroy */
139 void *ptr; /* entry ptr */
140 unsigned int next; /* next free entry */
143 static struct ptid_entry *ptid_entries; /* array of ptid entries */
144 static unsigned int used_ptid_entries; /* number of entries in use */
145 static unsigned int alloc_ptid_entries; /* number of allocated entries */
146 static unsigned int next_free_ptid; /* next free entry */
147 static unsigned int last_free_ptid; /* last free entry */
149 static void kill_all_processes(void);
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)
238 close_master_socket( 0 );
241 switch(++shutdown_stage)
243 case 1: /* signal system processes to exit */
244 if (debug_level) fprintf( stderr, "wineserver: shutting down\n" );
245 if (shutdown_event) set_event( shutdown_event );
246 shutdown_timeout = add_timeout_user( 2 * -TICKS_PER_SEC, server_shutdown_timeout, NULL );
247 close_master_socket( 4 * -TICKS_PER_SEC );
249 case 2: /* now forcibly kill all processes (but still wait for SIGKILL timeouts) */
250 kill_all_processes();
255 /* forced shutdown, used for wineserver -k */
256 void shutdown_master_socket(void)
258 kill_all_processes();
260 if (shutdown_timeout)
262 remove_timeout_user( shutdown_timeout );
263 shutdown_timeout = NULL;
265 close_master_socket( 2 * -TICKS_PER_SEC ); /* for SIGKILL timeouts */
268 /* final cleanup once we are sure a process is really dead */
269 static void process_died( struct process *process )
271 if (debug_level) fprintf( stderr, "%04x: *process killed*\n", process->id );
272 if (!process->is_system)
274 if (!--user_processes && !shutdown_stage && master_socket_timeout != TIMEOUT_INFINITE)
275 shutdown_timeout = add_timeout_user( master_socket_timeout, server_shutdown_timeout, NULL );
277 release_object( process );
278 if (!--running_processes && shutdown_stage) close_master_socket( 0 );
281 /* callback for process sigkill timeout */
282 static void process_sigkill( void *private )
284 struct process *process = private;
286 process->sigkill_timeout = NULL;
287 kill( process->unix_pid, SIGKILL );
288 process_died( process );
291 /* start the sigkill timer for a process upon exit */
292 static void start_sigkill_timer( struct process *process )
294 grab_object( process );
295 if (process->unix_pid != -1 && process->msg_fd)
296 process->sigkill_timeout = add_timeout_user( -TICKS_PER_SEC, process_sigkill, process );
298 process_died( process );
301 /* create a new process and its main thread */
302 /* if the function fails the fd is closed */
303 struct thread *create_process( int fd, struct thread *parent_thread, int inherit_all )
305 struct process *process;
306 struct thread *thread = NULL;
309 if (!(process = alloc_object( &process_ops )))
314 process->parent = NULL;
315 process->debugger = NULL;
316 process->handles = NULL;
317 process->msg_fd = NULL;
318 process->sigkill_timeout = NULL;
319 process->unix_pid = -1;
320 process->exit_code = STILL_ACTIVE;
321 process->running_threads = 0;
322 process->priority = PROCESS_PRIOCLASS_NORMAL;
323 process->affinity = ~0;
324 process->suspend = 0;
325 process->is_system = 0;
326 process->create_flags = 0;
327 process->console = NULL;
328 process->startup_state = STARTUP_IN_PROGRESS;
329 process->startup_info = NULL;
330 process->idle_event = NULL;
332 process->ldt_copy = 0;
333 process->winstation = 0;
334 process->desktop = 0;
335 process->token = NULL;
336 process->trace_data = 0;
337 list_init( &process->thread_list );
338 list_init( &process->locks );
339 list_init( &process->classes );
340 list_init( &process->dlls );
342 process->start_time = current_time;
343 process->end_time = 0;
344 list_add_tail( &process_list, &process->entry );
346 if (!(process->id = process->group_id = alloc_ptid( process )))
351 if (!(process->msg_fd = create_anonymous_fd( &process_fd_ops, fd, &process->obj, 0 ))) goto error;
353 /* create the handle table */
356 process->handles = alloc_handle_table( process, 0 );
357 process->token = token_create_admin();
361 struct process *parent = parent_thread->process;
362 process->parent = (struct process *)grab_object( parent );
363 process->handles = inherit_all ? copy_handle_table( process, parent )
364 : alloc_handle_table( process, 0 );
365 /* Note: for security reasons, starting a new process does not attempt
366 * to use the current impersonation token for the new process */
367 process->token = token_duplicate( parent->token, TRUE, 0 );
369 if (!process->handles || !process->token) goto error;
371 /* create the main thread */
372 if (pipe( request_pipe ) == -1)
377 if (send_client_fd( process, request_pipe[1], SERVER_PROTOCOL_VERSION ) == -1)
379 close( request_pipe[0] );
380 close( request_pipe[1] );
383 close( request_pipe[1] );
384 if (!(thread = create_thread( request_pipe[0], process ))) goto error;
386 set_fd_events( process->msg_fd, POLLIN ); /* start listening to events */
387 release_object( process );
391 if (process) release_object( process );
392 /* if we failed to start our first process, close everything down */
393 if (!running_processes) close_master_socket( 0 );
397 /* initialize the current process and fill in the request */
398 data_size_t init_process( struct thread *thread )
400 struct process *process = thread->process;
401 struct startup_info *info = process->startup_info;
403 init_process_tracing( process );
405 return info->data_size;
408 /* destroy a process when its refcount is 0 */
409 static void process_destroy( struct object *obj )
411 struct process *process = (struct process *)obj;
412 assert( obj->ops == &process_ops );
414 /* we can't have a thread remaining */
415 assert( list_empty( &process->thread_list ));
417 assert( !process->sigkill_timeout ); /* timeout should hold a reference to the process */
419 set_process_startup_state( process, STARTUP_ABORTED );
420 if (process->console) release_object( process->console );
421 if (process->parent) release_object( process->parent );
422 if (process->msg_fd) release_object( process->msg_fd );
423 list_remove( &process->entry );
424 if (process->idle_event) release_object( process->idle_event );
425 if (process->id) free_ptid( process->id );
426 if (process->token) release_object( process->token );
429 /* dump a process on stdout for debugging purposes */
430 static void process_dump( struct object *obj, int verbose )
432 struct process *process = (struct process *)obj;
433 assert( obj->ops == &process_ops );
435 fprintf( stderr, "Process id=%04x handles=%p\n", process->id, process->handles );
438 static int process_signaled( struct object *obj, struct thread *thread )
440 struct process *process = (struct process *)obj;
441 return !process->running_threads;
444 static unsigned int process_map_access( struct object *obj, unsigned int access )
446 if (access & GENERIC_READ) access |= STANDARD_RIGHTS_READ | SYNCHRONIZE;
447 if (access & GENERIC_WRITE) access |= STANDARD_RIGHTS_WRITE | SYNCHRONIZE;
448 if (access & GENERIC_EXECUTE) access |= STANDARD_RIGHTS_EXECUTE;
449 if (access & GENERIC_ALL) access |= PROCESS_ALL_ACCESS;
450 return access & ~(GENERIC_READ | GENERIC_WRITE | GENERIC_EXECUTE | GENERIC_ALL);
453 static void process_poll_event( struct fd *fd, int event )
455 struct process *process = get_fd_user( fd );
456 assert( process->obj.ops == &process_ops );
458 if (event & (POLLERR | POLLHUP)) kill_process( process, 0 );
459 else if (event & POLLIN) receive_fd( process );
462 static void startup_info_destroy( struct object *obj )
464 struct startup_info *info = (struct startup_info *)obj;
465 assert( obj->ops == &startup_info_ops );
467 if (info->exe_file) release_object( info->exe_file );
468 if (info->process) release_object( info->process );
471 static void startup_info_dump( struct object *obj, int verbose )
473 struct startup_info *info = (struct startup_info *)obj;
474 assert( obj->ops == &startup_info_ops );
476 fprintf( stderr, "Startup info in=%04x out=%04x err=%04x\n",
477 info->data->hstdin, info->data->hstdout, info->data->hstderr );
480 static int startup_info_signaled( struct object *obj, struct thread *thread )
482 struct startup_info *info = (struct startup_info *)obj;
483 return info->process && info->process->startup_state != STARTUP_IN_PROGRESS;
486 /* get a process from an id (and increment the refcount) */
487 struct process *get_process_from_id( process_id_t id )
489 struct object *obj = get_ptid_entry( id );
491 if (obj && obj->ops == &process_ops) return (struct process *)grab_object( obj );
492 set_error( STATUS_INVALID_PARAMETER );
496 /* get a process from a handle (and increment the refcount) */
497 struct process *get_process_from_handle( obj_handle_t handle, unsigned int access )
499 return (struct process *)get_handle_obj( current->process, handle,
500 access, &process_ops );
503 /* find a dll from its base address */
504 static inline struct process_dll *find_process_dll( struct process *process, mod_handle_t base )
506 struct process_dll *dll;
508 LIST_FOR_EACH_ENTRY( dll, &process->dlls, struct process_dll, entry )
510 if (dll->base == base) return dll;
515 /* add a dll to a process list */
516 static struct process_dll *process_load_dll( struct process *process, struct file *file,
517 mod_handle_t base, const WCHAR *filename,
518 data_size_t name_len )
520 struct process_dll *dll;
522 /* make sure we don't already have one with the same base address */
523 if (find_process_dll( process, base ))
525 set_error( STATUS_INVALID_PARAMETER );
529 if ((dll = mem_alloc( sizeof(*dll) )))
533 dll->filename = NULL;
534 dll->namelen = name_len;
535 if (name_len && !(dll->filename = memdup( filename, name_len )))
540 if (file) dll->file = grab_file_unless_removable( file );
541 list_add_tail( &process->dlls, &dll->entry );
546 /* remove a dll from a process list */
547 static void process_unload_dll( struct process *process, mod_handle_t base )
549 struct process_dll *dll = find_process_dll( process, base );
551 if (dll && (&dll->entry != list_head( &process->dlls ))) /* main exe can't be unloaded */
553 if (dll->file) release_object( dll->file );
554 free( dll->filename );
555 list_remove( &dll->entry );
557 generate_debug_event( current, UNLOAD_DLL_DEBUG_EVENT, &base );
559 else set_error( STATUS_INVALID_PARAMETER );
562 /* terminate a process with the given exit code */
563 static void terminate_process( struct process *process, struct thread *skip, int exit_code )
565 struct thread *thread;
567 grab_object( process ); /* make sure it doesn't get freed when threads die */
569 LIST_FOR_EACH_ENTRY( thread, &process->thread_list, struct thread, proc_entry )
571 if (exit_code) thread->exit_code = exit_code;
572 if (thread == skip) continue;
573 if (thread->state == TERMINATED) continue;
574 kill_thread( thread, 1 );
577 release_object( process );
580 /* kill all processes */
581 static void kill_all_processes(void)
585 struct process *process;
587 LIST_FOR_EACH_ENTRY( process, &process_list, struct process, entry )
589 if (process->running_threads) break;
591 if (&process->entry == &process_list) break; /* no process found */
592 terminate_process( process, NULL, 1 );
596 /* kill all processes being attached to a console renderer */
597 void kill_console_processes( struct thread *renderer, int exit_code )
599 for (;;) /* restart from the beginning of the list every time */
601 struct process *process;
603 /* find the first process being attached to 'renderer' and still running */
604 LIST_FOR_EACH_ENTRY( process, &process_list, struct process, entry )
606 if (process == renderer->process) continue;
607 if (!process->running_threads) continue;
608 if (process->console && console_get_renderer( process->console ) == renderer) break;
610 if (&process->entry == &process_list) break; /* no process found */
611 terminate_process( process, NULL, exit_code );
615 /* a process has been killed (i.e. its last thread died) */
616 static void process_killed( struct process *process )
618 struct handle_table *handles;
621 assert( list_empty( &process->thread_list ));
622 process->end_time = current_time;
623 if (!process->is_system) close_process_desktop( process );
624 handles = process->handles;
625 process->handles = NULL;
626 if (handles) release_object( handles );
627 process->winstation = 0;
628 process->desktop = 0;
629 if (process->idle_event)
631 release_object( process->idle_event );
632 process->idle_event = NULL;
635 /* close the console attached to this process, if any */
636 free_console( process );
638 while ((ptr = list_head( &process->dlls )))
640 struct process_dll *dll = LIST_ENTRY( ptr, struct process_dll, entry );
641 if (dll->file) release_object( dll->file );
642 free( dll->filename );
643 list_remove( &dll->entry );
646 destroy_process_classes( process );
647 free_process_user_handles( process );
648 remove_process_locks( process );
649 set_process_startup_state( process, STARTUP_ABORTED );
650 finish_process_tracing( process );
651 start_sigkill_timer( process );
652 wake_up( &process->obj, 0 );
655 /* add a thread to a process running threads list */
656 void add_process_thread( struct process *process, struct thread *thread )
658 list_add_tail( &process->thread_list, &thread->proc_entry );
659 if (!process->running_threads++)
662 if (!process->is_system)
664 if (!user_processes++ && shutdown_timeout)
666 remove_timeout_user( shutdown_timeout );
667 shutdown_timeout = NULL;
671 grab_object( thread );
674 /* remove a thread from a process running threads list */
675 void remove_process_thread( struct process *process, struct thread *thread )
677 assert( process->running_threads > 0 );
678 assert( !list_empty( &process->thread_list ));
680 list_remove( &thread->proc_entry );
682 if (!--process->running_threads)
684 /* we have removed the last running thread, exit the process */
685 process->exit_code = thread->exit_code;
686 generate_debug_event( thread, EXIT_PROCESS_DEBUG_EVENT, process );
687 process_killed( process );
689 else generate_debug_event( thread, EXIT_THREAD_DEBUG_EVENT, thread );
690 release_object( thread );
693 /* suspend all the threads of a process */
694 void suspend_process( struct process *process )
696 if (!process->suspend++)
698 struct list *ptr, *next;
700 LIST_FOR_EACH_SAFE( ptr, next, &process->thread_list )
702 struct thread *thread = LIST_ENTRY( ptr, struct thread, proc_entry );
703 if (!thread->suspend) stop_thread( thread );
708 /* resume all the threads of a process */
709 void resume_process( struct process *process )
711 assert (process->suspend > 0);
712 if (!--process->suspend)
714 struct list *ptr, *next;
716 LIST_FOR_EACH_SAFE( ptr, next, &process->thread_list )
718 struct thread *thread = LIST_ENTRY( ptr, struct thread, proc_entry );
719 if (!thread->suspend) wake_thread( thread );
724 /* kill a process on the spot */
725 void kill_process( struct process *process, int violent_death )
727 if (!violent_death && process->msg_fd) /* normal termination on pipe close */
729 release_object( process->msg_fd );
730 process->msg_fd = NULL;
733 if (process->sigkill_timeout) /* already waiting for it to die */
735 remove_timeout_user( process->sigkill_timeout );
736 process->sigkill_timeout = NULL;
737 process_died( process );
741 if (violent_death) terminate_process( process, NULL, 1 );
746 grab_object( process ); /* make sure it doesn't get freed when threads die */
747 while ((ptr = list_head( &process->thread_list )))
749 struct thread *thread = LIST_ENTRY( ptr, struct thread, proc_entry );
750 kill_thread( thread, 0 );
752 release_object( process );
756 /* kill all processes being debugged by a given thread */
757 void kill_debugged_processes( struct thread *debugger, int exit_code )
759 for (;;) /* restart from the beginning of the list every time */
761 struct process *process;
763 /* find the first process being debugged by 'debugger' and still running */
764 LIST_FOR_EACH_ENTRY( process, &process_list, struct process, entry )
766 if (!process->running_threads) continue;
767 if (process->debugger == debugger) break;
769 if (&process->entry == &process_list) break; /* no process found */
770 process->debugger = NULL;
771 terminate_process( process, NULL, exit_code );
776 /* trigger a breakpoint event in a given process */
777 void break_process( struct process *process )
779 struct thread *thread;
781 suspend_process( process );
783 LIST_FOR_EACH_ENTRY( thread, &process->thread_list, struct thread, proc_entry )
785 if (thread->context) /* inside an exception event already */
787 break_thread( thread );
791 if ((thread = get_process_first_thread( process ))) thread->debug_break = 1;
792 else set_error( STATUS_ACCESS_DENIED );
794 resume_process( process );
798 /* detach a debugger from all its debuggees */
799 void detach_debugged_processes( struct thread *debugger )
801 struct process *process;
803 LIST_FOR_EACH_ENTRY( process, &process_list, struct process, entry )
805 if (process->debugger == debugger && process->running_threads)
807 debugger_detach( process, debugger );
813 void enum_processes( int (*cb)(struct process*, void*), void *user )
815 struct list *ptr, *next;
817 LIST_FOR_EACH_SAFE( ptr, next, &process_list )
819 struct process *process = LIST_ENTRY( ptr, struct process, entry );
820 if ((cb)(process, user)) break;
824 /* set the debugged flag in the process PEB */
825 int set_process_debug_flag( struct process *process, int flag )
827 char data = (flag != 0);
829 /* BeingDebugged flag is the byte at offset 2 in the PEB */
830 return write_process_memory( process, process->peb + 2, 1, &data );
833 /* take a snapshot of currently running processes */
834 struct process_snapshot *process_snap( int *count )
836 struct process_snapshot *snapshot, *ptr;
837 struct process *process;
839 if (!running_processes) return NULL;
840 if (!(snapshot = mem_alloc( sizeof(*snapshot) * running_processes )))
843 LIST_FOR_EACH_ENTRY( process, &process_list, struct process, entry )
845 if (!process->running_threads) continue;
846 ptr->process = process;
847 ptr->threads = process->running_threads;
848 ptr->count = process->obj.refcount;
849 ptr->priority = process->priority;
850 ptr->handles = get_handle_table_count(process);
851 grab_object( process );
855 if (!(*count = ptr - snapshot))
863 /* create a new process */
864 DECL_HANDLER(new_process)
866 struct startup_info *info;
867 struct thread *thread;
868 struct process *process;
869 struct process *parent = current->process;
870 int socket_fd = thread_get_inflight_fd( current, req->socket_fd );
874 set_error( STATUS_INVALID_PARAMETER );
877 if (fcntl( socket_fd, F_SETFL, O_NONBLOCK ) == -1)
879 set_error( STATUS_INVALID_HANDLE );
885 set_error( STATUS_SHUTDOWN_IN_PROGRESS );
890 /* build the startup info for a new process */
891 if (!(info = alloc_object( &startup_info_ops ))) return;
892 info->exe_file = NULL;
893 info->process = NULL;
897 !(info->exe_file = get_file_obj( current->process, req->exe_file, FILE_READ_DATA )))
900 info->data_size = get_req_data_size();
901 info->info_size = min( req->info_size, info->data_size );
903 if (req->info_size < sizeof(*info->data))
905 /* make sure we have a full startup_info_t structure */
906 data_size_t env_size = info->data_size - info->info_size;
907 data_size_t info_size = min( req->info_size, FIELD_OFFSET( startup_info_t, curdir_len ));
909 if (!(info->data = mem_alloc( sizeof(*info->data) + env_size ))) goto done;
910 memcpy( info->data, get_req_data(), info_size );
911 memset( (char *)info->data + info_size, 0, sizeof(*info->data) - info_size );
912 memcpy( info->data + 1, (const char *)get_req_data() + req->info_size, env_size );
913 info->info_size = sizeof(startup_info_t);
914 info->data_size = info->info_size + env_size;
918 data_size_t pos = sizeof(*info->data);
920 if (!(info->data = memdup( get_req_data(), info->data_size ))) goto done;
921 #define FIXUP_LEN(len) do { (len) = min( (len), info->info_size - pos ); pos += (len); } while(0)
922 FIXUP_LEN( info->data->curdir_len );
923 FIXUP_LEN( info->data->dllpath_len );
924 FIXUP_LEN( info->data->imagepath_len );
925 FIXUP_LEN( info->data->cmdline_len );
926 FIXUP_LEN( info->data->title_len );
927 FIXUP_LEN( info->data->desktop_len );
928 FIXUP_LEN( info->data->shellinfo_len );
929 FIXUP_LEN( info->data->runtime_len );
933 if (!(thread = create_process( socket_fd, current, req->inherit_all ))) goto done;
934 process = thread->process;
935 process->create_flags = req->create_flags;
936 process->startup_info = (struct startup_info *)grab_object( info );
938 /* connect to the window station */
939 connect_process_winstation( process, current );
941 /* thread will be actually suspended in init_done */
942 if (req->create_flags & CREATE_SUSPENDED) thread->suspend++;
944 /* set the process console */
945 if (!(req->create_flags & (DETACHED_PROCESS | CREATE_NEW_CONSOLE)))
947 /* FIXME: some better error checking should be done...
948 * like if hConOut and hConIn are console handles, then they should be on the same
951 inherit_console( current, process, req->inherit_all ? info->data->hstdin : 0 );
954 if (!req->inherit_all && !(req->create_flags & CREATE_NEW_CONSOLE))
956 info->data->hstdin = duplicate_handle( parent, info->data->hstdin, process,
957 0, OBJ_INHERIT, DUPLICATE_SAME_ACCESS );
958 info->data->hstdout = duplicate_handle( parent, info->data->hstdout, process,
959 0, OBJ_INHERIT, DUPLICATE_SAME_ACCESS );
960 info->data->hstderr = duplicate_handle( parent, info->data->hstderr, process,
961 0, OBJ_INHERIT, DUPLICATE_SAME_ACCESS );
962 /* some handles above may have been invalid; this is not an error */
963 if (get_error() == STATUS_INVALID_HANDLE ||
964 get_error() == STATUS_OBJECT_TYPE_MISMATCH) clear_error();
967 /* attach to the debugger if requested */
968 if (req->create_flags & (DEBUG_PROCESS | DEBUG_ONLY_THIS_PROCESS))
969 set_process_debugger( process, current );
970 else if (parent->debugger && !(parent->create_flags & DEBUG_ONLY_THIS_PROCESS))
971 set_process_debugger( process, parent->debugger );
973 if (!(req->create_flags & CREATE_NEW_PROCESS_GROUP))
974 process->group_id = parent->group_id;
976 info->process = (struct process *)grab_object( process );
977 reply->info = alloc_handle( current->process, info, SYNCHRONIZE, 0 );
978 reply->pid = get_process_id( process );
979 reply->tid = get_thread_id( thread );
980 reply->phandle = alloc_handle( parent, process, req->process_access, req->process_attr );
981 reply->thandle = alloc_handle( parent, thread, req->thread_access, req->thread_attr );
984 release_object( info );
987 /* Retrieve information about a newly started process */
988 DECL_HANDLER(get_new_process_info)
990 struct startup_info *info;
992 if ((info = (struct startup_info *)get_handle_obj( current->process, req->info,
993 0, &startup_info_ops )))
995 reply->success = is_process_init_done( info->process );
996 reply->exit_code = info->process->exit_code;
997 release_object( info );
1001 /* Retrieve the new process startup info */
1002 DECL_HANDLER(get_startup_info)
1004 struct process *process = current->process;
1005 struct startup_info *info = process->startup_info;
1010 if (info->exe_file &&
1011 !(reply->exe_file = alloc_handle( process, info->exe_file, GENERIC_READ, 0 ))) return;
1013 /* we return the data directly without making a copy so this can only be called once */
1014 reply->info_size = info->info_size;
1015 size = info->data_size;
1016 if (size > get_reply_max_size()) size = get_reply_max_size();
1017 set_reply_data_ptr( info->data, size );
1019 info->data_size = 0;
1022 /* signal the end of the process initialization */
1023 DECL_HANDLER(init_process_done)
1025 struct process_dll *dll;
1026 struct process *process = current->process;
1028 if (is_process_init_done(process))
1030 set_error( STATUS_INVALID_PARAMETER );
1033 if (!(dll = find_process_dll( process, req->module )))
1035 set_error( STATUS_DLL_NOT_FOUND );
1039 /* main exe is the first in the dll list */
1040 list_remove( &dll->entry );
1041 list_add_head( &process->dlls, &dll->entry );
1043 process->ldt_copy = req->ldt_copy;
1045 generate_startup_debug_events( process, req->entry );
1046 set_process_startup_state( process, STARTUP_DONE );
1048 if (req->gui) process->idle_event = create_event( NULL, NULL, 0, 1, 0, NULL );
1049 if (current->suspend + process->suspend > 0) stop_thread( current );
1050 if (process->debugger) set_process_debug_flag( process, 1 );
1053 /* open a handle to a process */
1054 DECL_HANDLER(open_process)
1056 struct process *process = get_process_from_id( req->pid );
1060 reply->handle = alloc_handle( current->process, process, req->access, req->attributes );
1061 release_object( process );
1065 /* terminate a process */
1066 DECL_HANDLER(terminate_process)
1068 struct process *process;
1070 if ((process = get_process_from_handle( req->handle, PROCESS_TERMINATE )))
1072 reply->self = (current->process == process);
1073 terminate_process( process, current, req->exit_code );
1074 release_object( process );
1078 /* fetch information about a process */
1079 DECL_HANDLER(get_process_info)
1081 struct process *process;
1083 if ((process = get_process_from_handle( req->handle, PROCESS_QUERY_INFORMATION )))
1085 reply->pid = get_process_id( process );
1086 reply->ppid = process->parent ? get_process_id( process->parent ) : 0;
1087 reply->exit_code = process->exit_code;
1088 reply->priority = process->priority;
1089 reply->affinity = process->affinity;
1090 reply->peb = process->peb;
1091 reply->start_time = process->start_time;
1092 reply->end_time = process->end_time;
1093 reply->cpu = process->cpu;
1094 reply->debugger_present = !!process->debugger;
1095 release_object( process );
1099 static void set_process_affinity( struct process *process, affinity_t affinity )
1101 struct thread *thread;
1103 process->affinity = affinity;
1105 LIST_FOR_EACH_ENTRY( thread, &process->thread_list, struct thread, proc_entry )
1107 set_thread_affinity( thread, affinity );
1111 /* set information about a process */
1112 DECL_HANDLER(set_process_info)
1114 struct process *process;
1116 if ((process = get_process_from_handle( req->handle, PROCESS_SET_INFORMATION )))
1118 if (req->mask & SET_PROCESS_INFO_PRIORITY) process->priority = req->priority;
1119 if (req->mask & SET_PROCESS_INFO_AFFINITY) set_process_affinity( process, req->affinity );
1120 release_object( process );
1124 /* read data from a process address space */
1125 DECL_HANDLER(read_process_memory)
1127 struct process *process;
1128 data_size_t len = get_reply_max_size();
1130 if (!(process = get_process_from_handle( req->handle, PROCESS_VM_READ ))) return;
1134 char *buffer = mem_alloc( len );
1137 if (read_process_memory( process, req->addr, len, buffer ))
1138 set_reply_data_ptr( buffer, len );
1143 release_object( process );
1146 /* write data to a process address space */
1147 DECL_HANDLER(write_process_memory)
1149 struct process *process;
1151 if ((process = get_process_from_handle( req->handle, PROCESS_VM_WRITE )))
1153 data_size_t len = get_req_data_size();
1154 if (len) write_process_memory( process, req->addr, len, get_req_data() );
1155 else set_error( STATUS_INVALID_PARAMETER );
1156 release_object( process );
1160 /* notify the server that a dll has been loaded */
1161 DECL_HANDLER(load_dll)
1163 struct process_dll *dll;
1164 struct file *file = NULL;
1166 if (req->handle && !(file = get_file_obj( current->process, req->handle, FILE_READ_DATA )))
1169 if ((dll = process_load_dll( current->process, file, req->base,
1170 get_req_data(), get_req_data_size() )))
1172 dll->size = req->size;
1173 dll->dbg_offset = req->dbg_offset;
1174 dll->dbg_size = req->dbg_size;
1175 dll->name = req->name;
1176 /* only generate event if initialization is done */
1177 if (is_process_init_done( current->process ))
1178 generate_debug_event( current, LOAD_DLL_DEBUG_EVENT, dll );
1180 if (file) release_object( file );
1183 /* notify the server that a dll is being unloaded */
1184 DECL_HANDLER(unload_dll)
1186 process_unload_dll( current->process, req->base );
1189 /* retrieve information about a module in a process */
1190 DECL_HANDLER(get_dll_info)
1192 struct process *process;
1194 if ((process = get_process_from_handle( req->handle, PROCESS_QUERY_INFORMATION )))
1196 struct process_dll *dll;
1198 if (req->base_address)
1199 dll = find_process_dll( process, req->base_address );
1200 else /* NULL means main module */
1201 dll = list_head( &process->dlls ) ?
1202 LIST_ENTRY(list_head( &process->dlls ), struct process_dll, entry) : NULL;
1206 reply->size = dll->size;
1207 reply->entry_point = 0; /* FIXME */
1208 reply->filename_len = dll->namelen;
1211 if (dll->namelen <= get_reply_max_size())
1212 set_reply_data( dll->filename, dll->namelen );
1214 set_error( STATUS_BUFFER_TOO_SMALL );
1218 set_error( STATUS_DLL_NOT_FOUND );
1220 release_object( process );
1224 /* retrieve the process idle event */
1225 DECL_HANDLER(get_process_idle_event)
1227 struct process *process;
1230 if ((process = get_process_from_handle( req->handle, PROCESS_QUERY_INFORMATION )))
1232 if (process->idle_event && process != current->process)
1233 reply->event = alloc_handle( current->process, process->idle_event,
1234 EVENT_ALL_ACCESS, 0 );
1235 release_object( process );
1239 /* make the current process a system process */
1240 DECL_HANDLER(make_process_system)
1242 struct process *process = current->process;
1244 if (!shutdown_event)
1246 if (!(shutdown_event = create_event( NULL, NULL, 0, 1, 0, NULL ))) return;
1247 make_object_static( (struct object *)shutdown_event );
1250 if (!(reply->event = alloc_handle( current->process, shutdown_event, SYNCHRONIZE, 0 )))
1253 if (!process->is_system)
1255 process->is_system = 1;
1256 close_process_desktop( process );
1257 if (!--user_processes && !shutdown_stage && master_socket_timeout != TIMEOUT_INFINITE)
1258 shutdown_timeout = add_timeout_user( master_socket_timeout, server_shutdown_timeout, NULL );