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
53 /* process structure */
55 static struct list process_list = LIST_INIT(process_list);
56 static int running_processes;
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 add_queue, /* add_queue */
71 remove_queue, /* remove_queue */
72 process_signaled, /* signaled */
73 no_satisfied, /* satisfied */
74 no_signal, /* signal */
75 no_get_fd, /* get_fd */
76 process_map_access, /* map_access */
77 no_lookup_name, /* lookup_name */
78 no_close_handle, /* close_handle */
79 process_destroy /* destroy */
82 static const struct fd_ops process_fd_ops =
84 NULL, /* get_poll_events */
85 process_poll_event, /* poll_event */
87 no_get_file_info, /* get_file_info */
88 no_queue_async, /* queue_async */
89 no_cancel_async /* cancel async */
92 /* process startup info */
96 struct object obj; /* object header */
97 obj_handle_t hstdin; /* handle for stdin */
98 obj_handle_t hstdout; /* handle for stdout */
99 obj_handle_t hstderr; /* handle for stderr */
100 struct file *exe_file; /* file handle for main exe */
101 struct process *process; /* created process */
102 data_size_t data_size; /* size of startup data */
103 void *data; /* data for startup info */
106 static void startup_info_dump( struct object *obj, int verbose );
107 static int startup_info_signaled( struct object *obj, struct thread *thread );
108 static void startup_info_destroy( struct object *obj );
110 static const struct object_ops startup_info_ops =
112 sizeof(struct startup_info), /* size */
113 startup_info_dump, /* dump */
114 add_queue, /* add_queue */
115 remove_queue, /* remove_queue */
116 startup_info_signaled, /* signaled */
117 no_satisfied, /* satisfied */
118 no_signal, /* signal */
119 no_get_fd, /* get_fd */
120 no_map_access, /* map_access */
121 no_lookup_name, /* lookup_name */
122 no_close_handle, /* close_handle */
123 startup_info_destroy /* destroy */
129 void *ptr; /* entry ptr */
130 unsigned int next; /* next free entry */
133 static struct ptid_entry *ptid_entries; /* array of ptid entries */
134 static unsigned int used_ptid_entries; /* number of entries in use */
135 static unsigned int alloc_ptid_entries; /* number of allocated entries */
136 static unsigned int next_free_ptid; /* next free entry */
137 static unsigned int last_free_ptid; /* last free entry */
139 #define PTID_OFFSET 8 /* offset for first ptid value */
141 /* allocate a new process or thread id */
142 unsigned int alloc_ptid( void *ptr )
144 struct ptid_entry *entry;
147 if (used_ptid_entries < alloc_ptid_entries)
149 id = used_ptid_entries + PTID_OFFSET;
150 entry = &ptid_entries[used_ptid_entries++];
152 else if (next_free_ptid)
155 entry = &ptid_entries[id - PTID_OFFSET];
156 if (!(next_free_ptid = entry->next)) last_free_ptid = 0;
158 else /* need to grow the array */
160 unsigned int count = alloc_ptid_entries + (alloc_ptid_entries / 2);
161 if (!count) count = 64;
162 if (!(entry = realloc( ptid_entries, count * sizeof(*entry) )))
164 set_error( STATUS_NO_MEMORY );
167 ptid_entries = entry;
168 alloc_ptid_entries = count;
169 id = used_ptid_entries + PTID_OFFSET;
170 entry = &ptid_entries[used_ptid_entries++];
177 /* free a process or thread id */
178 void free_ptid( unsigned int id )
180 struct ptid_entry *entry = &ptid_entries[id - PTID_OFFSET];
185 /* append to end of free list so that we don't reuse it too early */
186 if (last_free_ptid) ptid_entries[last_free_ptid - PTID_OFFSET].next = id;
187 else next_free_ptid = id;
192 /* retrieve the pointer corresponding to a process or thread id */
193 void *get_ptid_entry( unsigned int id )
195 if (id < PTID_OFFSET) return NULL;
196 if (id - PTID_OFFSET >= used_ptid_entries) return NULL;
197 return ptid_entries[id - PTID_OFFSET].ptr;
200 /* return the main thread of the process */
201 struct thread *get_process_first_thread( struct process *process )
203 struct list *ptr = list_head( &process->thread_list );
204 if (!ptr) return NULL;
205 return LIST_ENTRY( ptr, struct thread, proc_entry );
208 /* set the state of the process startup info */
209 static void set_process_startup_state( struct process *process, enum startup_state state )
211 if (process->startup_state == STARTUP_IN_PROGRESS) process->startup_state = state;
212 if (process->startup_info)
214 wake_up( &process->startup_info->obj, 0 );
215 release_object( process->startup_info );
216 process->startup_info = NULL;
220 /* final cleanup once we are sure a process is really dead */
221 static void process_died( struct process *process )
223 if (debug_level) fprintf( stderr, "%04x: *process killed*\n", process->id );
224 release_object( process );
225 if (!--running_processes) close_master_socket();
228 /* callback for process sigkill timeout */
229 static void process_sigkill( void *private )
231 struct process *process = private;
233 process->sigkill_timeout = NULL;
234 kill( process->unix_pid, SIGKILL );
235 process_died( process );
238 /* start the sigkill timer for a process upon exit */
239 static void start_sigkill_timer( struct process *process )
241 grab_object( process );
242 if (process->unix_pid != -1 && process->msg_fd)
244 struct timeval when = current_time;
246 add_timeout( &when, 1000 );
247 process->sigkill_timeout = add_timeout_user( &when, process_sigkill, process );
249 else process_died( process );
252 /* create a new process and its main thread */
253 /* if the function fails the fd is closed */
254 struct thread *create_process( int fd, struct thread *parent_thread, int inherit_all )
256 struct process *process;
257 struct thread *thread = NULL;
260 if (!(process = alloc_object( &process_ops )))
265 process->parent = NULL;
266 process->debugger = NULL;
267 process->handles = NULL;
268 process->msg_fd = NULL;
269 process->sigkill_timeout = NULL;
270 process->unix_pid = -1;
271 process->exit_code = STILL_ACTIVE;
272 process->running_threads = 0;
273 process->priority = PROCESS_PRIOCLASS_NORMAL;
274 process->affinity = 1;
275 process->suspend = 0;
276 process->create_flags = 0;
277 process->console = NULL;
278 process->startup_state = STARTUP_IN_PROGRESS;
279 process->startup_info = NULL;
280 process->idle_event = NULL;
281 process->queue = NULL;
283 process->ldt_copy = NULL;
284 process->winstation = 0;
285 process->desktop = 0;
286 process->token = token_create_admin();
287 process->trace_data = 0;
288 list_init( &process->thread_list );
289 list_init( &process->locks );
290 list_init( &process->classes );
291 list_init( &process->dlls );
293 process->start_time = current_time;
294 process->end_time.tv_sec = process->end_time.tv_usec = 0;
295 list_add_head( &process_list, &process->entry );
297 if (!(process->id = process->group_id = alloc_ptid( process )))
302 if (!(process->msg_fd = create_anonymous_fd( &process_fd_ops, fd, &process->obj ))) goto error;
304 /* create the handle table */
305 if (!parent_thread) process->handles = alloc_handle_table( process, 0 );
308 struct process *parent = parent_thread->process;
309 process->parent = (struct process *)grab_object( parent );
310 process->handles = inherit_all ? copy_handle_table( process, parent )
311 : alloc_handle_table( process, 0 );
313 if (!process->handles) goto error;
315 /* create the main thread */
316 if (pipe( request_pipe ) == -1)
321 if (send_client_fd( process, request_pipe[1], 0 ) == -1)
323 close( request_pipe[0] );
324 close( request_pipe[1] );
327 close( request_pipe[1] );
328 if (!(thread = create_thread( request_pipe[0], process ))) goto error;
330 set_fd_events( process->msg_fd, POLLIN ); /* start listening to events */
331 release_object( process );
335 if (process) release_object( process );
336 /* if we failed to start our first process, close everything down */
337 if (!running_processes) close_master_socket();
341 /* initialize the current process and fill in the request */
342 data_size_t init_process( struct thread *thread )
344 struct process *process = thread->process;
345 struct startup_info *info = process->startup_info;
347 init_process_tracing( process );
349 return info->data_size;
352 /* destroy a process when its refcount is 0 */
353 static void process_destroy( struct object *obj )
355 struct process *process = (struct process *)obj;
356 assert( obj->ops == &process_ops );
358 /* we can't have a thread remaining */
359 assert( list_empty( &process->thread_list ));
361 assert( !process->sigkill_timeout ); /* timeout should hold a reference to the process */
363 set_process_startup_state( process, STARTUP_ABORTED );
364 if (process->console) release_object( process->console );
365 if (process->parent) release_object( process->parent );
366 if (process->msg_fd) release_object( process->msg_fd );
367 list_remove( &process->entry );
368 if (process->idle_event) release_object( process->idle_event );
369 if (process->queue) release_object( process->queue );
370 if (process->id) free_ptid( process->id );
371 if (process->token) release_object( process->token );
374 /* dump a process on stdout for debugging purposes */
375 static void process_dump( struct object *obj, int verbose )
377 struct process *process = (struct process *)obj;
378 assert( obj->ops == &process_ops );
380 fprintf( stderr, "Process id=%04x handles=%p\n", process->id, process->handles );
383 static int process_signaled( struct object *obj, struct thread *thread )
385 struct process *process = (struct process *)obj;
386 return !process->running_threads;
389 static unsigned int process_map_access( struct object *obj, unsigned int access )
391 if (access & GENERIC_READ) access |= STANDARD_RIGHTS_READ | SYNCHRONIZE;
392 if (access & GENERIC_WRITE) access |= STANDARD_RIGHTS_WRITE | SYNCHRONIZE;
393 if (access & GENERIC_EXECUTE) access |= STANDARD_RIGHTS_EXECUTE;
394 if (access & GENERIC_ALL) access |= PROCESS_ALL_ACCESS;
395 return access & ~(GENERIC_READ | GENERIC_WRITE | GENERIC_EXECUTE | GENERIC_ALL);
398 static void process_poll_event( struct fd *fd, int event )
400 struct process *process = get_fd_user( fd );
401 assert( process->obj.ops == &process_ops );
403 if (event & (POLLERR | POLLHUP))
405 release_object( process->msg_fd );
406 process->msg_fd = NULL;
407 if (process->sigkill_timeout) /* already waiting for it to die */
409 remove_timeout_user( process->sigkill_timeout );
410 process->sigkill_timeout = NULL;
411 process_died( process );
413 else kill_process( process, 0 );
415 else if (event & POLLIN) receive_fd( process );
418 static void startup_info_destroy( struct object *obj )
420 struct startup_info *info = (struct startup_info *)obj;
421 assert( obj->ops == &startup_info_ops );
423 if (info->exe_file) release_object( info->exe_file );
424 if (info->process) release_object( info->process );
427 static void startup_info_dump( struct object *obj, int verbose )
429 struct startup_info *info = (struct startup_info *)obj;
430 assert( obj->ops == &startup_info_ops );
432 fprintf( stderr, "Startup info in=%p out=%p err=%p\n",
433 info->hstdin, info->hstdout, info->hstderr );
436 static int startup_info_signaled( struct object *obj, struct thread *thread )
438 struct startup_info *info = (struct startup_info *)obj;
439 return info->process && info->process->startup_state != STARTUP_IN_PROGRESS;
442 /* get a process from an id (and increment the refcount) */
443 struct process *get_process_from_id( process_id_t id )
445 struct object *obj = get_ptid_entry( id );
447 if (obj && obj->ops == &process_ops) return (struct process *)grab_object( obj );
448 set_error( STATUS_INVALID_PARAMETER );
452 /* get a process from a handle (and increment the refcount) */
453 struct process *get_process_from_handle( obj_handle_t handle, unsigned int access )
455 return (struct process *)get_handle_obj( current->process, handle,
456 access, &process_ops );
459 /* find a dll from its base address */
460 static inline struct process_dll *find_process_dll( struct process *process, void *base )
462 struct process_dll *dll;
464 LIST_FOR_EACH_ENTRY( dll, &process->dlls, struct process_dll, entry )
466 if (dll->base == base) return dll;
471 /* add a dll to a process list */
472 static struct process_dll *process_load_dll( struct process *process, struct file *file,
473 void *base, const WCHAR *filename, data_size_t name_len )
475 struct process_dll *dll;
477 /* make sure we don't already have one with the same base address */
478 if (find_process_dll( process, base ))
480 set_error( STATUS_INVALID_PARAMETER );
484 if ((dll = mem_alloc( sizeof(*dll) )))
488 dll->filename = NULL;
489 dll->namelen = name_len;
490 if (name_len && !(dll->filename = memdup( filename, name_len )))
495 if (file) dll->file = grab_file_unless_removable( file );
496 list_add_tail( &process->dlls, &dll->entry );
501 /* remove a dll from a process list */
502 static void process_unload_dll( struct process *process, void *base )
504 struct process_dll *dll = find_process_dll( process, base );
506 if (dll && (&dll->entry != list_head( &process->dlls ))) /* main exe can't be unloaded */
508 if (dll->file) release_object( dll->file );
509 free( dll->filename );
510 list_remove( &dll->entry );
512 generate_debug_event( current, UNLOAD_DLL_DEBUG_EVENT, base );
514 else set_error( STATUS_INVALID_PARAMETER );
517 /* terminate a process with the given exit code */
518 static void terminate_process( struct process *process, struct thread *skip, int exit_code )
522 if (skip && skip->process == process) /* move it to the end of the list */
524 assert( skip->state != TERMINATED );
525 list_remove( &skip->proc_entry );
526 list_add_tail( &process->thread_list, &skip->proc_entry );
529 grab_object( process ); /* make sure it doesn't get freed when threads die */
530 while ((ptr = list_head( &process->thread_list )))
532 struct thread *thread = LIST_ENTRY( ptr, struct thread, proc_entry );
534 if (exit_code) thread->exit_code = exit_code;
535 if (thread == skip) break;
536 kill_thread( thread, 1 );
538 release_object( process );
541 /* kill all processes */
542 void kill_all_processes( struct process *skip, int exit_code )
546 struct process *process;
548 LIST_FOR_EACH_ENTRY( process, &process_list, struct process, entry )
550 if (process == skip) continue;
551 if (process->running_threads) break;
553 if (&process->entry == &process_list) break; /* no process found */
554 terminate_process( process, NULL, exit_code );
558 /* kill all processes being attached to a console renderer */
559 void kill_console_processes( struct thread *renderer, int exit_code )
561 for (;;) /* restart from the beginning of the list every time */
563 struct process *process;
565 /* find the first process being attached to 'renderer' and still running */
566 LIST_FOR_EACH_ENTRY( process, &process_list, struct process, entry )
568 if (process == renderer->process) continue;
569 if (!process->running_threads) continue;
570 if (process->console && process->console->renderer == renderer) break;
572 if (&process->entry == &process_list) break; /* no process found */
573 terminate_process( process, NULL, exit_code );
577 /* a process has been killed (i.e. its last thread died) */
578 static void process_killed( struct process *process )
580 struct handle_table *handles;
583 assert( list_empty( &process->thread_list ));
584 process->end_time = current_time;
585 close_process_desktop( process );
586 handles = process->handles;
587 process->handles = NULL;
588 if (handles) release_object( handles );
590 /* close the console attached to this process, if any */
591 free_console( process );
593 while ((ptr = list_head( &process->dlls )))
595 struct process_dll *dll = LIST_ENTRY( ptr, struct process_dll, entry );
596 if (dll->file) release_object( dll->file );
597 free( dll->filename );
598 list_remove( &dll->entry );
601 destroy_process_classes( process );
602 remove_process_locks( process );
603 set_process_startup_state( process, STARTUP_ABORTED );
604 finish_process_tracing( process );
605 start_sigkill_timer( process );
606 wake_up( &process->obj, 0 );
609 /* add a thread to a process running threads list */
610 void add_process_thread( struct process *process, struct thread *thread )
612 list_add_tail( &process->thread_list, &thread->proc_entry );
613 if (!process->running_threads++) running_processes++;
614 grab_object( thread );
617 /* remove a thread from a process running threads list */
618 void remove_process_thread( struct process *process, struct thread *thread )
620 assert( process->running_threads > 0 );
621 assert( !list_empty( &process->thread_list ));
623 list_remove( &thread->proc_entry );
625 if (!--process->running_threads)
627 /* we have removed the last running thread, exit the process */
628 process->exit_code = thread->exit_code;
629 generate_debug_event( thread, EXIT_PROCESS_DEBUG_EVENT, process );
630 process_killed( process );
632 else generate_debug_event( thread, EXIT_THREAD_DEBUG_EVENT, thread );
633 release_object( thread );
636 /* suspend all the threads of a process */
637 void suspend_process( struct process *process )
639 if (!process->suspend++)
641 struct list *ptr, *next;
643 LIST_FOR_EACH_SAFE( ptr, next, &process->thread_list )
645 struct thread *thread = LIST_ENTRY( ptr, struct thread, proc_entry );
646 if (!thread->suspend) stop_thread( thread );
651 /* resume all the threads of a process */
652 void resume_process( struct process *process )
654 assert (process->suspend > 0);
655 if (!--process->suspend)
657 struct list *ptr, *next;
659 LIST_FOR_EACH_SAFE( ptr, next, &process->thread_list )
661 struct thread *thread = LIST_ENTRY( ptr, struct thread, proc_entry );
662 if (!thread->suspend) wake_thread( thread );
667 /* kill a process on the spot */
668 void kill_process( struct process *process, int violent_death )
670 if (violent_death) terminate_process( process, NULL, 1 );
675 grab_object( process ); /* make sure it doesn't get freed when threads die */
676 while ((ptr = list_head( &process->thread_list )))
678 struct thread *thread = LIST_ENTRY( ptr, struct thread, proc_entry );
679 kill_thread( thread, 0 );
681 release_object( process );
685 /* kill all processes being debugged by a given thread */
686 void kill_debugged_processes( struct thread *debugger, int exit_code )
688 for (;;) /* restart from the beginning of the list every time */
690 struct process *process;
692 /* find the first process being debugged by 'debugger' and still running */
693 LIST_FOR_EACH_ENTRY( process, &process_list, struct process, entry )
695 if (!process->running_threads) continue;
696 if (process->debugger == debugger) break;
698 if (&process->entry == &process_list) break; /* no process found */
699 process->debugger = NULL;
700 terminate_process( process, NULL, exit_code );
705 /* trigger a breakpoint event in a given process */
706 void break_process( struct process *process )
708 struct thread *thread;
710 suspend_process( process );
712 LIST_FOR_EACH_ENTRY( thread, &process->thread_list, struct thread, proc_entry )
714 if (thread->context) /* inside an exception event already */
716 break_thread( thread );
720 if ((thread = get_process_first_thread( process ))) thread->debug_break = 1;
721 else set_error( STATUS_ACCESS_DENIED );
723 resume_process( process );
727 /* detach a debugger from all its debuggees */
728 void detach_debugged_processes( struct thread *debugger )
730 struct process *process;
732 LIST_FOR_EACH_ENTRY( process, &process_list, struct process, entry )
734 if (process->debugger == debugger && process->running_threads)
736 debugger_detach( process, debugger );
742 void enum_processes( int (*cb)(struct process*, void*), void *user )
744 struct list *ptr, *next;
746 LIST_FOR_EACH_SAFE( ptr, next, &process_list )
748 struct process *process = LIST_ENTRY( ptr, struct process, entry );
749 if ((cb)(process, user)) break;
753 /* set the debugged flag in the process PEB */
754 int set_process_debug_flag( struct process *process, int flag )
756 char data = (flag != 0);
758 /* BeingDebugged flag is the byte at offset 2 in the PEB */
759 return write_process_memory( process, (char *)process->peb + 2, 1, &data );
762 /* take a snapshot of currently running processes */
763 struct process_snapshot *process_snap( int *count )
765 struct process_snapshot *snapshot, *ptr;
766 struct process *process;
768 if (!running_processes) return NULL;
769 if (!(snapshot = mem_alloc( sizeof(*snapshot) * running_processes )))
772 LIST_FOR_EACH_ENTRY( process, &process_list, struct process, entry )
774 if (!process->running_threads) continue;
775 ptr->process = process;
776 ptr->threads = process->running_threads;
777 ptr->count = process->obj.refcount;
778 ptr->priority = process->priority;
779 ptr->handles = get_handle_table_count(process);
780 grab_object( process );
784 if (!(*count = ptr - snapshot))
792 /* take a snapshot of the modules of a process */
793 struct module_snapshot *module_snap( struct process *process, int *count )
795 struct module_snapshot *snapshot, *ptr;
796 struct process_dll *dll;
799 LIST_FOR_EACH_ENTRY( dll, &process->dlls, struct process_dll, entry ) total++;
800 if (!(snapshot = mem_alloc( sizeof(*snapshot) * total ))) return NULL;
803 LIST_FOR_EACH_ENTRY( dll, &process->dlls, struct process_dll, entry )
805 ptr->base = dll->base;
806 ptr->size = dll->size;
807 ptr->namelen = dll->namelen;
808 ptr->filename = memdup( dll->filename, dll->namelen );
816 /* create a new process */
817 DECL_HANDLER(new_process)
819 struct startup_info *info;
820 struct thread *thread;
821 struct process *process;
822 struct process *parent = current->process;
823 int socket_fd = thread_get_inflight_fd( current, req->socket_fd );
827 set_error( STATUS_INVALID_PARAMETER );
830 if (fcntl( socket_fd, F_SETFL, O_NONBLOCK ) == -1)
832 set_error( STATUS_INVALID_HANDLE );
837 /* build the startup info for a new process */
838 if (!(info = alloc_object( &startup_info_ops ))) return;
839 info->hstdin = req->hstdin;
840 info->hstdout = req->hstdout;
841 info->hstderr = req->hstderr;
842 info->exe_file = NULL;
843 info->process = NULL;
844 info->data_size = get_req_data_size();
848 !(info->exe_file = get_file_obj( current->process, req->exe_file, FILE_READ_DATA )))
851 if (!(info->data = memdup( get_req_data(), info->data_size ))) goto done;
853 if (!(thread = create_process( socket_fd, current, req->inherit_all ))) goto done;
854 process = thread->process;
855 process->create_flags = req->create_flags;
856 process->startup_info = (struct startup_info *)grab_object( info );
858 /* connect to the window station */
859 connect_process_winstation( process, current );
861 /* thread will be actually suspended in init_done */
862 if (req->create_flags & CREATE_SUSPENDED) thread->suspend++;
864 /* set the process console */
865 if (!(req->create_flags & (DETACHED_PROCESS | CREATE_NEW_CONSOLE)))
867 /* FIXME: some better error checking should be done...
868 * like if hConOut and hConIn are console handles, then they should be on the same
871 inherit_console( current, process, req->inherit_all ? req->hstdin : 0 );
874 if (!req->inherit_all && !(req->create_flags & CREATE_NEW_CONSOLE))
876 info->hstdin = duplicate_handle( parent, req->hstdin, process,
877 0, OBJ_INHERIT, DUPLICATE_SAME_ACCESS );
878 info->hstdout = duplicate_handle( parent, req->hstdout, process,
879 0, OBJ_INHERIT, DUPLICATE_SAME_ACCESS );
880 info->hstderr = duplicate_handle( parent, req->hstderr, process,
881 0, OBJ_INHERIT, DUPLICATE_SAME_ACCESS );
882 /* some handles above may have been invalid; this is not an error */
883 if (get_error() == STATUS_INVALID_HANDLE ||
884 get_error() == STATUS_OBJECT_TYPE_MISMATCH) clear_error();
887 /* attach to the debugger if requested */
888 if (req->create_flags & (DEBUG_PROCESS | DEBUG_ONLY_THIS_PROCESS))
889 set_process_debugger( process, current );
890 else if (parent->debugger && !(parent->create_flags & DEBUG_ONLY_THIS_PROCESS))
891 set_process_debugger( process, parent->debugger );
893 if (!(req->create_flags & CREATE_NEW_PROCESS_GROUP))
894 process->group_id = parent->group_id;
896 info->process = (struct process *)grab_object( process );
897 reply->info = alloc_handle( current->process, info, SYNCHRONIZE, 0 );
898 reply->pid = get_process_id( process );
899 reply->tid = get_thread_id( thread );
900 reply->phandle = alloc_handle( parent, process, req->process_access, req->process_attr );
901 reply->thandle = alloc_handle( parent, thread, req->thread_access, req->thread_attr );
904 release_object( info );
907 /* Retrieve information about a newly started process */
908 DECL_HANDLER(get_new_process_info)
910 struct startup_info *info;
912 if ((info = (struct startup_info *)get_handle_obj( current->process, req->info,
913 0, &startup_info_ops )))
915 reply->success = is_process_init_done( info->process );
916 reply->exit_code = info->process->exit_code;
917 release_object( info );
921 /* Retrieve the new process startup info */
922 DECL_HANDLER(get_startup_info)
924 struct process *process = current->process;
925 struct startup_info *info = process->startup_info;
930 if (info->exe_file &&
931 !(reply->exe_file = alloc_handle( process, info->exe_file, GENERIC_READ, 0 ))) return;
933 reply->hstdin = info->hstdin;
934 reply->hstdout = info->hstdout;
935 reply->hstderr = info->hstderr;
937 /* we return the data directly without making a copy so this can only be called once */
938 size = info->data_size;
939 if (size > get_reply_max_size()) size = get_reply_max_size();
940 set_reply_data_ptr( info->data, size );
945 /* signal the end of the process initialization */
946 DECL_HANDLER(init_process_done)
948 struct process_dll *dll;
949 struct process *process = current->process;
951 if (is_process_init_done(process))
953 set_error( STATUS_INVALID_PARAMETER );
956 if (!(dll = find_process_dll( process, req->module )))
958 set_error( STATUS_DLL_NOT_FOUND );
962 /* main exe is the first in the dll list */
963 list_remove( &dll->entry );
964 list_add_head( &process->dlls, &dll->entry );
966 generate_startup_debug_events( process, req->entry );
967 set_process_startup_state( process, STARTUP_DONE );
969 if (req->gui) process->idle_event = create_event( NULL, NULL, 0, 1, 0 );
970 if (current->suspend + process->suspend > 0) stop_thread( current );
971 if (process->debugger) set_process_debug_flag( process, 1 );
974 /* open a handle to a process */
975 DECL_HANDLER(open_process)
977 struct process *process = get_process_from_id( req->pid );
981 reply->handle = alloc_handle( current->process, process, req->access, req->attributes );
982 release_object( process );
986 /* terminate a process */
987 DECL_HANDLER(terminate_process)
989 struct process *process;
991 if ((process = get_process_from_handle( req->handle, PROCESS_TERMINATE )))
993 reply->self = (current->process == process);
994 terminate_process( process, current, req->exit_code );
995 release_object( process );
999 /* fetch information about a process */
1000 DECL_HANDLER(get_process_info)
1002 struct process *process;
1004 if ((process = get_process_from_handle( req->handle, PROCESS_QUERY_INFORMATION )))
1006 reply->pid = get_process_id( process );
1007 reply->ppid = process->parent ? get_process_id( process->parent ) : 0;
1008 reply->exit_code = process->exit_code;
1009 reply->priority = process->priority;
1010 reply->affinity = process->affinity;
1011 reply->peb = process->peb;
1012 reply->start_time.sec = process->start_time.tv_sec;
1013 reply->start_time.usec = process->start_time.tv_usec;
1014 reply->end_time.sec = process->end_time.tv_sec;
1015 reply->end_time.usec = process->end_time.tv_usec;
1016 release_object( process );
1020 /* set information about a process */
1021 DECL_HANDLER(set_process_info)
1023 struct process *process;
1025 if ((process = get_process_from_handle( req->handle, PROCESS_SET_INFORMATION )))
1027 if (req->mask & SET_PROCESS_INFO_PRIORITY) process->priority = req->priority;
1028 if (req->mask & SET_PROCESS_INFO_AFFINITY)
1030 if (req->affinity != 1) set_error( STATUS_INVALID_PARAMETER );
1031 else process->affinity = req->affinity;
1033 release_object( process );
1037 /* read data from a process address space */
1038 DECL_HANDLER(read_process_memory)
1040 struct process *process;
1041 data_size_t len = get_reply_max_size();
1043 if (!(process = get_process_from_handle( req->handle, PROCESS_VM_READ ))) return;
1047 char *buffer = mem_alloc( len );
1050 if (read_process_memory( process, req->addr, len, buffer ))
1051 set_reply_data_ptr( buffer, len );
1056 release_object( process );
1059 /* write data to a process address space */
1060 DECL_HANDLER(write_process_memory)
1062 struct process *process;
1064 if ((process = get_process_from_handle( req->handle, PROCESS_VM_WRITE )))
1066 data_size_t len = get_req_data_size();
1067 if (len) write_process_memory( process, req->addr, len, get_req_data() );
1068 else set_error( STATUS_INVALID_PARAMETER );
1069 release_object( process );
1073 /* notify the server that a dll has been loaded */
1074 DECL_HANDLER(load_dll)
1076 struct process_dll *dll;
1077 struct file *file = NULL;
1079 if (req->handle && !(file = get_file_obj( current->process, req->handle, FILE_READ_DATA )))
1082 if ((dll = process_load_dll( current->process, file, req->base,
1083 get_req_data(), get_req_data_size() )))
1085 dll->size = req->size;
1086 dll->dbg_offset = req->dbg_offset;
1087 dll->dbg_size = req->dbg_size;
1088 dll->name = req->name;
1089 /* only generate event if initialization is done */
1090 if (is_process_init_done( current->process ))
1091 generate_debug_event( current, LOAD_DLL_DEBUG_EVENT, dll );
1093 if (file) release_object( file );
1096 /* notify the server that a dll is being unloaded */
1097 DECL_HANDLER(unload_dll)
1099 process_unload_dll( current->process, req->base );
1102 /* retrieve information about a module in a process */
1103 DECL_HANDLER(get_dll_info)
1105 struct process *process;
1107 if ((process = get_process_from_handle( req->handle, PROCESS_QUERY_INFORMATION )))
1109 struct process_dll *dll = find_process_dll( process, req->base_address );
1113 reply->size = dll->size;
1114 reply->entry_point = NULL; /* FIXME */
1117 data_size_t len = min( dll->namelen, get_reply_max_size() );
1118 set_reply_data( dll->filename, len );
1122 set_error( STATUS_DLL_NOT_FOUND );
1124 release_object( process );
1128 /* retrieve the process idle event */
1129 DECL_HANDLER(get_process_idle_event)
1131 struct process *process;
1134 if ((process = get_process_from_handle( req->handle, PROCESS_QUERY_INFORMATION )))
1136 if (process->idle_event && process != current->process)
1137 reply->event = alloc_handle( current->process, process->idle_event,
1138 EVENT_ALL_ACCESS, 0 );
1139 release_object( process );