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 *user_process_event; /* signaled when all user processes have exited */
58 /* process operations */
60 static void process_dump( struct object *obj, int verbose );
61 static int process_signaled( struct object *obj, struct thread *thread );
62 static unsigned int process_map_access( struct object *obj, unsigned int access );
63 static void process_poll_event( struct fd *fd, int event );
64 static void process_destroy( struct object *obj );
66 static const struct object_ops process_ops =
68 sizeof(struct process), /* size */
69 process_dump, /* dump */
70 no_get_type, /* get_type */
71 add_queue, /* add_queue */
72 remove_queue, /* remove_queue */
73 process_signaled, /* signaled */
74 no_satisfied, /* satisfied */
75 no_signal, /* signal */
76 no_get_fd, /* get_fd */
77 process_map_access, /* map_access */
78 default_get_sd, /* get_sd */
79 default_set_sd, /* set_sd */
80 no_lookup_name, /* lookup_name */
81 no_open_file, /* open_file */
82 no_close_handle, /* close_handle */
83 process_destroy /* destroy */
86 static const struct fd_ops process_fd_ops =
88 NULL, /* get_poll_events */
89 process_poll_event, /* poll_event */
91 NULL, /* get_fd_type */
93 NULL, /* queue_async */
94 NULL, /* reselect_async */
95 NULL /* cancel async */
98 /* process startup info */
102 struct object obj; /* object header */
103 obj_handle_t hstdin; /* handle for stdin */
104 obj_handle_t hstdout; /* handle for stdout */
105 obj_handle_t hstderr; /* handle for stderr */
106 struct file *exe_file; /* file handle for main exe */
107 struct process *process; /* created process */
108 data_size_t data_size; /* size of startup data */
109 void *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 #define PTID_OFFSET 8 /* offset for first ptid value */
151 /* allocate a new process or thread id */
152 unsigned int alloc_ptid( void *ptr )
154 struct ptid_entry *entry;
157 if (used_ptid_entries < alloc_ptid_entries)
159 id = used_ptid_entries + PTID_OFFSET;
160 entry = &ptid_entries[used_ptid_entries++];
162 else if (next_free_ptid)
165 entry = &ptid_entries[id - PTID_OFFSET];
166 if (!(next_free_ptid = entry->next)) last_free_ptid = 0;
168 else /* need to grow the array */
170 unsigned int count = alloc_ptid_entries + (alloc_ptid_entries / 2);
171 if (!count) count = 64;
172 if (!(entry = realloc( ptid_entries, count * sizeof(*entry) )))
174 set_error( STATUS_NO_MEMORY );
177 ptid_entries = entry;
178 alloc_ptid_entries = count;
179 id = used_ptid_entries + PTID_OFFSET;
180 entry = &ptid_entries[used_ptid_entries++];
187 /* free a process or thread id */
188 void free_ptid( unsigned int id )
190 struct ptid_entry *entry = &ptid_entries[id - PTID_OFFSET];
195 /* append to end of free list so that we don't reuse it too early */
196 if (last_free_ptid) ptid_entries[last_free_ptid - PTID_OFFSET].next = id;
197 else next_free_ptid = id;
202 /* retrieve the pointer corresponding to a process or thread id */
203 void *get_ptid_entry( unsigned int id )
205 if (id < PTID_OFFSET) return NULL;
206 if (id - PTID_OFFSET >= used_ptid_entries) return NULL;
207 return ptid_entries[id - PTID_OFFSET].ptr;
210 /* return the main thread of the process */
211 struct thread *get_process_first_thread( struct process *process )
213 struct list *ptr = list_head( &process->thread_list );
214 if (!ptr) return NULL;
215 return LIST_ENTRY( ptr, struct thread, proc_entry );
218 /* set the state of the process startup info */
219 static void set_process_startup_state( struct process *process, enum startup_state state )
221 if (process->startup_state == STARTUP_IN_PROGRESS) process->startup_state = state;
222 if (process->startup_info)
224 wake_up( &process->startup_info->obj, 0 );
225 release_object( process->startup_info );
226 process->startup_info = NULL;
230 /* final cleanup once we are sure a process is really dead */
231 static void process_died( struct process *process )
233 if (debug_level) fprintf( stderr, "%04x: *process killed*\n", process->id );
234 if (!process->is_system)
236 if (!--user_processes && user_process_event)
237 set_event( user_process_event );
239 release_object( process );
240 if (!--running_processes) close_master_socket();
243 /* callback for process sigkill timeout */
244 static void process_sigkill( void *private )
246 struct process *process = private;
248 process->sigkill_timeout = NULL;
249 kill( process->unix_pid, SIGKILL );
250 process_died( process );
253 /* start the sigkill timer for a process upon exit */
254 static void start_sigkill_timer( struct process *process )
256 grab_object( process );
257 if (process->unix_pid != -1 && process->msg_fd)
258 process->sigkill_timeout = add_timeout_user( -TICKS_PER_SEC, process_sigkill, process );
260 process_died( process );
263 /* create a new process and its main thread */
264 /* if the function fails the fd is closed */
265 struct thread *create_process( int fd, struct thread *parent_thread, int inherit_all )
267 struct process *process;
268 struct thread *thread = NULL;
271 if (!(process = alloc_object( &process_ops )))
276 process->parent = NULL;
277 process->debugger = NULL;
278 process->handles = NULL;
279 process->msg_fd = NULL;
280 process->sigkill_timeout = NULL;
281 process->unix_pid = -1;
282 process->exit_code = STILL_ACTIVE;
283 process->running_threads = 0;
284 process->priority = PROCESS_PRIOCLASS_NORMAL;
285 process->affinity = 1;
286 process->suspend = 0;
287 process->is_system = 0;
288 process->create_flags = 0;
289 process->console = NULL;
290 process->startup_state = STARTUP_IN_PROGRESS;
291 process->startup_info = NULL;
292 process->idle_event = NULL;
293 process->queue = NULL;
295 process->ldt_copy = NULL;
296 process->winstation = 0;
297 process->desktop = 0;
298 process->token = NULL;
299 process->trace_data = 0;
300 list_init( &process->thread_list );
301 list_init( &process->locks );
302 list_init( &process->classes );
303 list_init( &process->dlls );
305 process->start_time = current_time;
306 process->end_time = 0;
307 list_add_head( &process_list, &process->entry );
309 if (!(process->id = process->group_id = alloc_ptid( process )))
314 if (!(process->msg_fd = create_anonymous_fd( &process_fd_ops, fd, &process->obj, 0 ))) goto error;
316 /* create the handle table */
319 process->handles = alloc_handle_table( process, 0 );
320 process->token = token_create_admin();
324 struct process *parent = parent_thread->process;
325 process->parent = (struct process *)grab_object( parent );
326 process->handles = inherit_all ? copy_handle_table( process, parent )
327 : alloc_handle_table( process, 0 );
328 /* Note: for security reasons, starting a new process does not attempt
329 * to use the current impersonation token for the new process */
330 process->token = token_duplicate( parent->token, TRUE, 0 );
332 if (!process->handles || !process->token) goto error;
334 /* create the main thread */
335 if (pipe( request_pipe ) == -1)
340 if (send_client_fd( process, request_pipe[1], 0 ) == -1)
342 close( request_pipe[0] );
343 close( request_pipe[1] );
346 close( request_pipe[1] );
347 if (!(thread = create_thread( request_pipe[0], process ))) goto error;
349 set_fd_events( process->msg_fd, POLLIN ); /* start listening to events */
350 release_object( process );
354 if (process) release_object( process );
355 /* if we failed to start our first process, close everything down */
356 if (!running_processes) close_master_socket();
360 /* initialize the current process and fill in the request */
361 data_size_t init_process( struct thread *thread )
363 struct process *process = thread->process;
364 struct startup_info *info = process->startup_info;
366 init_process_tracing( process );
368 return info->data_size;
371 /* destroy a process when its refcount is 0 */
372 static void process_destroy( struct object *obj )
374 struct process *process = (struct process *)obj;
375 assert( obj->ops == &process_ops );
377 /* we can't have a thread remaining */
378 assert( list_empty( &process->thread_list ));
380 assert( !process->sigkill_timeout ); /* timeout should hold a reference to the process */
382 set_process_startup_state( process, STARTUP_ABORTED );
383 if (process->console) release_object( process->console );
384 if (process->parent) release_object( process->parent );
385 if (process->msg_fd) release_object( process->msg_fd );
386 list_remove( &process->entry );
387 if (process->idle_event) release_object( process->idle_event );
388 if (process->queue) release_object( process->queue );
389 if (process->id) free_ptid( process->id );
390 if (process->token) release_object( process->token );
393 /* dump a process on stdout for debugging purposes */
394 static void process_dump( struct object *obj, int verbose )
396 struct process *process = (struct process *)obj;
397 assert( obj->ops == &process_ops );
399 fprintf( stderr, "Process id=%04x handles=%p\n", process->id, process->handles );
402 static int process_signaled( struct object *obj, struct thread *thread )
404 struct process *process = (struct process *)obj;
405 return !process->running_threads;
408 static unsigned int process_map_access( struct object *obj, unsigned int access )
410 if (access & GENERIC_READ) access |= STANDARD_RIGHTS_READ | SYNCHRONIZE;
411 if (access & GENERIC_WRITE) access |= STANDARD_RIGHTS_WRITE | SYNCHRONIZE;
412 if (access & GENERIC_EXECUTE) access |= STANDARD_RIGHTS_EXECUTE;
413 if (access & GENERIC_ALL) access |= PROCESS_ALL_ACCESS;
414 return access & ~(GENERIC_READ | GENERIC_WRITE | GENERIC_EXECUTE | GENERIC_ALL);
417 static void process_poll_event( struct fd *fd, int event )
419 struct process *process = get_fd_user( fd );
420 assert( process->obj.ops == &process_ops );
422 if (event & (POLLERR | POLLHUP))
424 release_object( process->msg_fd );
425 process->msg_fd = NULL;
426 if (process->sigkill_timeout) /* already waiting for it to die */
428 remove_timeout_user( process->sigkill_timeout );
429 process->sigkill_timeout = NULL;
430 process_died( process );
432 else kill_process( process, 0 );
434 else if (event & POLLIN) receive_fd( process );
437 static void startup_info_destroy( struct object *obj )
439 struct startup_info *info = (struct startup_info *)obj;
440 assert( obj->ops == &startup_info_ops );
442 if (info->exe_file) release_object( info->exe_file );
443 if (info->process) release_object( info->process );
446 static void startup_info_dump( struct object *obj, int verbose )
448 struct startup_info *info = (struct startup_info *)obj;
449 assert( obj->ops == &startup_info_ops );
451 fprintf( stderr, "Startup info in=%p out=%p err=%p\n",
452 info->hstdin, info->hstdout, info->hstderr );
455 static int startup_info_signaled( struct object *obj, struct thread *thread )
457 struct startup_info *info = (struct startup_info *)obj;
458 return info->process && info->process->startup_state != STARTUP_IN_PROGRESS;
461 /* get a process from an id (and increment the refcount) */
462 struct process *get_process_from_id( process_id_t id )
464 struct object *obj = get_ptid_entry( id );
466 if (obj && obj->ops == &process_ops) return (struct process *)grab_object( obj );
467 set_error( STATUS_INVALID_PARAMETER );
471 /* get a process from a handle (and increment the refcount) */
472 struct process *get_process_from_handle( obj_handle_t handle, unsigned int access )
474 return (struct process *)get_handle_obj( current->process, handle,
475 access, &process_ops );
478 /* find a dll from its base address */
479 static inline struct process_dll *find_process_dll( struct process *process, void *base )
481 struct process_dll *dll;
483 LIST_FOR_EACH_ENTRY( dll, &process->dlls, struct process_dll, entry )
485 if (dll->base == base) return dll;
490 /* add a dll to a process list */
491 static struct process_dll *process_load_dll( struct process *process, struct file *file,
492 void *base, const WCHAR *filename, data_size_t name_len )
494 struct process_dll *dll;
496 /* make sure we don't already have one with the same base address */
497 if (find_process_dll( process, base ))
499 set_error( STATUS_INVALID_PARAMETER );
503 if ((dll = mem_alloc( sizeof(*dll) )))
507 dll->filename = NULL;
508 dll->namelen = name_len;
509 if (name_len && !(dll->filename = memdup( filename, name_len )))
514 if (file) dll->file = grab_file_unless_removable( file );
515 list_add_tail( &process->dlls, &dll->entry );
520 /* remove a dll from a process list */
521 static void process_unload_dll( struct process *process, void *base )
523 struct process_dll *dll = find_process_dll( process, base );
525 if (dll && (&dll->entry != list_head( &process->dlls ))) /* main exe can't be unloaded */
527 if (dll->file) release_object( dll->file );
528 free( dll->filename );
529 list_remove( &dll->entry );
531 generate_debug_event( current, UNLOAD_DLL_DEBUG_EVENT, base );
533 else set_error( STATUS_INVALID_PARAMETER );
536 /* terminate a process with the given exit code */
537 static void terminate_process( struct process *process, struct thread *skip, int exit_code )
541 if (skip && skip->process == process) /* move it to the end of the list */
543 assert( skip->state != TERMINATED );
544 list_remove( &skip->proc_entry );
545 list_add_tail( &process->thread_list, &skip->proc_entry );
548 grab_object( process ); /* make sure it doesn't get freed when threads die */
549 while ((ptr = list_head( &process->thread_list )))
551 struct thread *thread = LIST_ENTRY( ptr, struct thread, proc_entry );
553 if (exit_code) thread->exit_code = exit_code;
554 if (thread == skip) break;
555 kill_thread( thread, 1 );
557 release_object( process );
560 /* kill all processes */
561 void kill_all_processes( struct process *skip, int exit_code )
565 struct process *process;
567 LIST_FOR_EACH_ENTRY( process, &process_list, struct process, entry )
569 if (process == skip) continue;
570 if (process->running_threads) break;
572 if (&process->entry == &process_list) break; /* no process found */
573 terminate_process( process, NULL, exit_code );
577 /* kill all processes being attached to a console renderer */
578 void kill_console_processes( struct thread *renderer, int exit_code )
580 for (;;) /* restart from the beginning of the list every time */
582 struct process *process;
584 /* find the first process being attached to 'renderer' and still running */
585 LIST_FOR_EACH_ENTRY( process, &process_list, struct process, entry )
587 if (process == renderer->process) continue;
588 if (!process->running_threads) continue;
589 if (process->console && console_get_renderer( process->console ) == renderer) break;
591 if (&process->entry == &process_list) break; /* no process found */
592 terminate_process( process, NULL, exit_code );
596 /* a process has been killed (i.e. its last thread died) */
597 static void process_killed( struct process *process )
599 struct handle_table *handles;
602 assert( list_empty( &process->thread_list ));
603 process->end_time = current_time;
604 if (!process->is_system) close_process_desktop( process );
605 handles = process->handles;
606 process->handles = NULL;
607 if (handles) release_object( handles );
609 /* close the console attached to this process, if any */
610 free_console( process );
612 while ((ptr = list_head( &process->dlls )))
614 struct process_dll *dll = LIST_ENTRY( ptr, struct process_dll, entry );
615 if (dll->file) release_object( dll->file );
616 free( dll->filename );
617 list_remove( &dll->entry );
620 destroy_process_classes( process );
621 remove_process_locks( process );
622 set_process_startup_state( process, STARTUP_ABORTED );
623 finish_process_tracing( process );
624 start_sigkill_timer( process );
625 wake_up( &process->obj, 0 );
628 /* add a thread to a process running threads list */
629 void add_process_thread( struct process *process, struct thread *thread )
631 list_add_tail( &process->thread_list, &thread->proc_entry );
632 if (!process->running_threads++)
635 if (!process->is_system)
637 if (!user_processes++ && user_process_event)
638 reset_event( user_process_event );
641 grab_object( thread );
644 /* remove a thread from a process running threads list */
645 void remove_process_thread( struct process *process, struct thread *thread )
647 assert( process->running_threads > 0 );
648 assert( !list_empty( &process->thread_list ));
650 list_remove( &thread->proc_entry );
652 if (!--process->running_threads)
654 /* we have removed the last running thread, exit the process */
655 process->exit_code = thread->exit_code;
656 generate_debug_event( thread, EXIT_PROCESS_DEBUG_EVENT, process );
657 process_killed( process );
659 else generate_debug_event( thread, EXIT_THREAD_DEBUG_EVENT, thread );
660 release_object( thread );
663 /* suspend all the threads of a process */
664 void suspend_process( struct process *process )
666 if (!process->suspend++)
668 struct list *ptr, *next;
670 LIST_FOR_EACH_SAFE( ptr, next, &process->thread_list )
672 struct thread *thread = LIST_ENTRY( ptr, struct thread, proc_entry );
673 if (!thread->suspend) stop_thread( thread );
678 /* resume all the threads of a process */
679 void resume_process( struct process *process )
681 assert (process->suspend > 0);
682 if (!--process->suspend)
684 struct list *ptr, *next;
686 LIST_FOR_EACH_SAFE( ptr, next, &process->thread_list )
688 struct thread *thread = LIST_ENTRY( ptr, struct thread, proc_entry );
689 if (!thread->suspend) wake_thread( thread );
694 /* kill a process on the spot */
695 void kill_process( struct process *process, int violent_death )
697 if (violent_death) terminate_process( process, NULL, 1 );
702 grab_object( process ); /* make sure it doesn't get freed when threads die */
703 while ((ptr = list_head( &process->thread_list )))
705 struct thread *thread = LIST_ENTRY( ptr, struct thread, proc_entry );
706 kill_thread( thread, 0 );
708 release_object( process );
712 /* kill all processes being debugged by a given thread */
713 void kill_debugged_processes( struct thread *debugger, int exit_code )
715 for (;;) /* restart from the beginning of the list every time */
717 struct process *process;
719 /* find the first process being debugged by 'debugger' and still running */
720 LIST_FOR_EACH_ENTRY( process, &process_list, struct process, entry )
722 if (!process->running_threads) continue;
723 if (process->debugger == debugger) break;
725 if (&process->entry == &process_list) break; /* no process found */
726 process->debugger = NULL;
727 terminate_process( process, NULL, exit_code );
732 /* trigger a breakpoint event in a given process */
733 void break_process( struct process *process )
735 struct thread *thread;
737 suspend_process( process );
739 LIST_FOR_EACH_ENTRY( thread, &process->thread_list, struct thread, proc_entry )
741 if (thread->context) /* inside an exception event already */
743 break_thread( thread );
747 if ((thread = get_process_first_thread( process ))) thread->debug_break = 1;
748 else set_error( STATUS_ACCESS_DENIED );
750 resume_process( process );
754 /* detach a debugger from all its debuggees */
755 void detach_debugged_processes( struct thread *debugger )
757 struct process *process;
759 LIST_FOR_EACH_ENTRY( process, &process_list, struct process, entry )
761 if (process->debugger == debugger && process->running_threads)
763 debugger_detach( process, debugger );
769 void enum_processes( int (*cb)(struct process*, void*), void *user )
771 struct list *ptr, *next;
773 LIST_FOR_EACH_SAFE( ptr, next, &process_list )
775 struct process *process = LIST_ENTRY( ptr, struct process, entry );
776 if ((cb)(process, user)) break;
780 /* set the debugged flag in the process PEB */
781 int set_process_debug_flag( struct process *process, int flag )
783 char data = (flag != 0);
785 /* BeingDebugged flag is the byte at offset 2 in the PEB */
786 return write_process_memory( process, (char *)process->peb + 2, 1, &data );
789 /* take a snapshot of currently running processes */
790 struct process_snapshot *process_snap( int *count )
792 struct process_snapshot *snapshot, *ptr;
793 struct process *process;
795 if (!running_processes) return NULL;
796 if (!(snapshot = mem_alloc( sizeof(*snapshot) * running_processes )))
799 LIST_FOR_EACH_ENTRY( process, &process_list, struct process, entry )
801 if (!process->running_threads) continue;
802 ptr->process = process;
803 ptr->threads = process->running_threads;
804 ptr->count = process->obj.refcount;
805 ptr->priority = process->priority;
806 ptr->handles = get_handle_table_count(process);
807 grab_object( process );
811 if (!(*count = ptr - snapshot))
819 /* take a snapshot of the modules of a process */
820 struct module_snapshot *module_snap( struct process *process, int *count )
822 struct module_snapshot *snapshot, *ptr;
823 struct process_dll *dll;
826 LIST_FOR_EACH_ENTRY( dll, &process->dlls, struct process_dll, entry ) total++;
827 if (!(snapshot = mem_alloc( sizeof(*snapshot) * total ))) return NULL;
830 LIST_FOR_EACH_ENTRY( dll, &process->dlls, struct process_dll, entry )
832 ptr->base = dll->base;
833 ptr->size = dll->size;
834 ptr->namelen = dll->namelen;
835 ptr->filename = memdup( dll->filename, dll->namelen );
843 /* create a new process */
844 DECL_HANDLER(new_process)
846 struct startup_info *info;
847 struct thread *thread;
848 struct process *process;
849 struct process *parent = current->process;
850 int socket_fd = thread_get_inflight_fd( current, req->socket_fd );
854 set_error( STATUS_INVALID_PARAMETER );
857 if (fcntl( socket_fd, F_SETFL, O_NONBLOCK ) == -1)
859 set_error( STATUS_INVALID_HANDLE );
864 /* build the startup info for a new process */
865 if (!(info = alloc_object( &startup_info_ops ))) return;
866 info->hstdin = req->hstdin;
867 info->hstdout = req->hstdout;
868 info->hstderr = req->hstderr;
869 info->exe_file = NULL;
870 info->process = NULL;
871 info->data_size = get_req_data_size();
875 !(info->exe_file = get_file_obj( current->process, req->exe_file, FILE_READ_DATA )))
878 if (!(info->data = memdup( get_req_data(), info->data_size ))) goto done;
880 if (!(thread = create_process( socket_fd, current, req->inherit_all ))) goto done;
881 process = thread->process;
882 process->create_flags = req->create_flags;
883 process->startup_info = (struct startup_info *)grab_object( info );
885 /* connect to the window station */
886 connect_process_winstation( process, current );
888 /* thread will be actually suspended in init_done */
889 if (req->create_flags & CREATE_SUSPENDED) thread->suspend++;
891 /* set the process console */
892 if (!(req->create_flags & (DETACHED_PROCESS | CREATE_NEW_CONSOLE)))
894 /* FIXME: some better error checking should be done...
895 * like if hConOut and hConIn are console handles, then they should be on the same
898 inherit_console( current, process, req->inherit_all ? req->hstdin : 0 );
901 if (!req->inherit_all && !(req->create_flags & CREATE_NEW_CONSOLE))
903 info->hstdin = duplicate_handle( parent, req->hstdin, process,
904 0, OBJ_INHERIT, DUPLICATE_SAME_ACCESS );
905 info->hstdout = duplicate_handle( parent, req->hstdout, process,
906 0, OBJ_INHERIT, DUPLICATE_SAME_ACCESS );
907 info->hstderr = duplicate_handle( parent, req->hstderr, process,
908 0, OBJ_INHERIT, DUPLICATE_SAME_ACCESS );
909 /* some handles above may have been invalid; this is not an error */
910 if (get_error() == STATUS_INVALID_HANDLE ||
911 get_error() == STATUS_OBJECT_TYPE_MISMATCH) clear_error();
914 /* attach to the debugger if requested */
915 if (req->create_flags & (DEBUG_PROCESS | DEBUG_ONLY_THIS_PROCESS))
916 set_process_debugger( process, current );
917 else if (parent->debugger && !(parent->create_flags & DEBUG_ONLY_THIS_PROCESS))
918 set_process_debugger( process, parent->debugger );
920 if (!(req->create_flags & CREATE_NEW_PROCESS_GROUP))
921 process->group_id = parent->group_id;
923 info->process = (struct process *)grab_object( process );
924 reply->info = alloc_handle( current->process, info, SYNCHRONIZE, 0 );
925 reply->pid = get_process_id( process );
926 reply->tid = get_thread_id( thread );
927 reply->phandle = alloc_handle( parent, process, req->process_access, req->process_attr );
928 reply->thandle = alloc_handle( parent, thread, req->thread_access, req->thread_attr );
931 release_object( info );
934 /* Retrieve information about a newly started process */
935 DECL_HANDLER(get_new_process_info)
937 struct startup_info *info;
939 if ((info = (struct startup_info *)get_handle_obj( current->process, req->info,
940 0, &startup_info_ops )))
942 reply->success = is_process_init_done( info->process );
943 reply->exit_code = info->process->exit_code;
944 release_object( info );
948 /* Retrieve the new process startup info */
949 DECL_HANDLER(get_startup_info)
951 struct process *process = current->process;
952 struct startup_info *info = process->startup_info;
957 if (info->exe_file &&
958 !(reply->exe_file = alloc_handle( process, info->exe_file, GENERIC_READ, 0 ))) return;
960 reply->hstdin = info->hstdin;
961 reply->hstdout = info->hstdout;
962 reply->hstderr = info->hstderr;
964 /* we return the data directly without making a copy so this can only be called once */
965 size = info->data_size;
966 if (size > get_reply_max_size()) size = get_reply_max_size();
967 set_reply_data_ptr( info->data, size );
972 /* signal the end of the process initialization */
973 DECL_HANDLER(init_process_done)
975 struct process_dll *dll;
976 struct process *process = current->process;
978 if (is_process_init_done(process))
980 set_error( STATUS_INVALID_PARAMETER );
983 if (!(dll = find_process_dll( process, req->module )))
985 set_error( STATUS_DLL_NOT_FOUND );
989 /* main exe is the first in the dll list */
990 list_remove( &dll->entry );
991 list_add_head( &process->dlls, &dll->entry );
993 generate_startup_debug_events( process, req->entry );
994 set_process_startup_state( process, STARTUP_DONE );
996 if (req->gui) process->idle_event = create_event( NULL, NULL, 0, 1, 0, NULL );
997 if (current->suspend + process->suspend > 0) stop_thread( current );
998 if (process->debugger) set_process_debug_flag( process, 1 );
1001 /* open a handle to a process */
1002 DECL_HANDLER(open_process)
1004 struct process *process = get_process_from_id( req->pid );
1008 reply->handle = alloc_handle( current->process, process, req->access, req->attributes );
1009 release_object( process );
1013 /* terminate a process */
1014 DECL_HANDLER(terminate_process)
1016 struct process *process;
1018 if ((process = get_process_from_handle( req->handle, PROCESS_TERMINATE )))
1020 reply->self = (current->process == process);
1021 terminate_process( process, current, req->exit_code );
1022 release_object( process );
1026 /* fetch information about a process */
1027 DECL_HANDLER(get_process_info)
1029 struct process *process;
1031 if ((process = get_process_from_handle( req->handle, PROCESS_QUERY_INFORMATION )))
1033 reply->pid = get_process_id( process );
1034 reply->ppid = process->parent ? get_process_id( process->parent ) : 0;
1035 reply->exit_code = process->exit_code;
1036 reply->priority = process->priority;
1037 reply->affinity = process->affinity;
1038 reply->peb = process->peb;
1039 reply->start_time = process->start_time;
1040 reply->end_time = process->end_time;
1041 release_object( process );
1045 /* set information about a process */
1046 DECL_HANDLER(set_process_info)
1048 struct process *process;
1050 if ((process = get_process_from_handle( req->handle, PROCESS_SET_INFORMATION )))
1052 if (req->mask & SET_PROCESS_INFO_PRIORITY) process->priority = req->priority;
1053 if (req->mask & SET_PROCESS_INFO_AFFINITY)
1055 if (req->affinity != 1) set_error( STATUS_INVALID_PARAMETER );
1056 else process->affinity = req->affinity;
1058 release_object( process );
1062 /* read data from a process address space */
1063 DECL_HANDLER(read_process_memory)
1065 struct process *process;
1066 data_size_t len = get_reply_max_size();
1068 if (!(process = get_process_from_handle( req->handle, PROCESS_VM_READ ))) return;
1072 char *buffer = mem_alloc( len );
1075 if (read_process_memory( process, req->addr, len, buffer ))
1076 set_reply_data_ptr( buffer, len );
1081 release_object( process );
1084 /* write data to a process address space */
1085 DECL_HANDLER(write_process_memory)
1087 struct process *process;
1089 if ((process = get_process_from_handle( req->handle, PROCESS_VM_WRITE )))
1091 data_size_t len = get_req_data_size();
1092 if (len) write_process_memory( process, req->addr, len, get_req_data() );
1093 else set_error( STATUS_INVALID_PARAMETER );
1094 release_object( process );
1098 /* notify the server that a dll has been loaded */
1099 DECL_HANDLER(load_dll)
1101 struct process_dll *dll;
1102 struct file *file = NULL;
1104 if (req->handle && !(file = get_file_obj( current->process, req->handle, FILE_READ_DATA )))
1107 if ((dll = process_load_dll( current->process, file, req->base,
1108 get_req_data(), get_req_data_size() )))
1110 dll->size = req->size;
1111 dll->dbg_offset = req->dbg_offset;
1112 dll->dbg_size = req->dbg_size;
1113 dll->name = req->name;
1114 /* only generate event if initialization is done */
1115 if (is_process_init_done( current->process ))
1116 generate_debug_event( current, LOAD_DLL_DEBUG_EVENT, dll );
1118 if (file) release_object( file );
1121 /* notify the server that a dll is being unloaded */
1122 DECL_HANDLER(unload_dll)
1124 process_unload_dll( current->process, req->base );
1127 /* retrieve information about a module in a process */
1128 DECL_HANDLER(get_dll_info)
1130 struct process *process;
1132 if ((process = get_process_from_handle( req->handle, PROCESS_QUERY_INFORMATION )))
1134 struct process_dll *dll;
1136 if (req->base_address)
1137 dll = find_process_dll( process, req->base_address );
1138 else /* NULL means main module */
1139 dll = list_head( &process->dlls ) ?
1140 LIST_ENTRY(list_head( &process->dlls ), struct process_dll, entry) : NULL;
1144 reply->size = dll->size;
1145 reply->entry_point = NULL; /* FIXME */
1146 reply->filename_len = dll->namelen;
1149 if (dll->namelen <= get_reply_max_size())
1150 set_reply_data( dll->filename, dll->namelen );
1152 set_error( STATUS_BUFFER_TOO_SMALL );
1156 set_error( STATUS_DLL_NOT_FOUND );
1158 release_object( process );
1162 /* retrieve the process idle event */
1163 DECL_HANDLER(get_process_idle_event)
1165 struct process *process;
1168 if ((process = get_process_from_handle( req->handle, PROCESS_QUERY_INFORMATION )))
1170 if (process->idle_event && process != current->process)
1171 reply->event = alloc_handle( current->process, process->idle_event,
1172 EVENT_ALL_ACCESS, 0 );
1173 release_object( process );
1177 /* make the current process a system process */
1178 DECL_HANDLER(make_process_system)
1180 struct process *process = current->process;
1182 if (!user_process_event)
1184 if (!(user_process_event = create_event( NULL, NULL, 0, 1, 0, NULL ))) return;
1185 make_object_static( (struct object *)user_process_event );
1188 if (!(reply->event = alloc_handle( current->process, user_process_event, SYNCHRONIZE, 0 )))
1191 if (!process->is_system)
1193 process->is_system = 1;
1194 close_process_desktop( process );
1195 if (!--user_processes) set_event( user_process_event );