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 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 default_get_sd, /* get_sd */
78 default_set_sd, /* set_sd */
79 no_lookup_name, /* lookup_name */
80 no_open_file, /* open_file */
81 no_close_handle, /* close_handle */
82 process_destroy /* destroy */
85 static const struct fd_ops process_fd_ops =
87 NULL, /* get_poll_events */
88 process_poll_event, /* poll_event */
90 NULL, /* get_fd_type */
92 NULL, /* queue_async */
93 NULL, /* reselect_async */
94 NULL /* cancel async */
97 /* process startup info */
101 struct object obj; /* object header */
102 obj_handle_t hstdin; /* handle for stdin */
103 obj_handle_t hstdout; /* handle for stdout */
104 obj_handle_t hstderr; /* handle for stderr */
105 struct file *exe_file; /* file handle for main exe */
106 struct process *process; /* created process */
107 data_size_t data_size; /* size of startup data */
108 void *data; /* data for startup info */
111 static void startup_info_dump( struct object *obj, int verbose );
112 static int startup_info_signaled( struct object *obj, struct thread *thread );
113 static void startup_info_destroy( struct object *obj );
115 static const struct object_ops startup_info_ops =
117 sizeof(struct startup_info), /* size */
118 startup_info_dump, /* dump */
119 add_queue, /* add_queue */
120 remove_queue, /* remove_queue */
121 startup_info_signaled, /* signaled */
122 no_satisfied, /* satisfied */
123 no_signal, /* signal */
124 no_get_fd, /* get_fd */
125 no_map_access, /* map_access */
126 default_get_sd, /* get_sd */
127 default_set_sd, /* set_sd */
128 no_lookup_name, /* lookup_name */
129 no_open_file, /* open_file */
130 no_close_handle, /* close_handle */
131 startup_info_destroy /* destroy */
137 void *ptr; /* entry ptr */
138 unsigned int next; /* next free entry */
141 static struct ptid_entry *ptid_entries; /* array of ptid entries */
142 static unsigned int used_ptid_entries; /* number of entries in use */
143 static unsigned int alloc_ptid_entries; /* number of allocated entries */
144 static unsigned int next_free_ptid; /* next free entry */
145 static unsigned int last_free_ptid; /* last free entry */
147 #define PTID_OFFSET 8 /* offset for first ptid value */
149 /* allocate a new process or thread id */
150 unsigned int alloc_ptid( void *ptr )
152 struct ptid_entry *entry;
155 if (used_ptid_entries < alloc_ptid_entries)
157 id = used_ptid_entries + PTID_OFFSET;
158 entry = &ptid_entries[used_ptid_entries++];
160 else if (next_free_ptid)
163 entry = &ptid_entries[id - PTID_OFFSET];
164 if (!(next_free_ptid = entry->next)) last_free_ptid = 0;
166 else /* need to grow the array */
168 unsigned int count = alloc_ptid_entries + (alloc_ptid_entries / 2);
169 if (!count) count = 64;
170 if (!(entry = realloc( ptid_entries, count * sizeof(*entry) )))
172 set_error( STATUS_NO_MEMORY );
175 ptid_entries = entry;
176 alloc_ptid_entries = count;
177 id = used_ptid_entries + PTID_OFFSET;
178 entry = &ptid_entries[used_ptid_entries++];
185 /* free a process or thread id */
186 void free_ptid( unsigned int id )
188 struct ptid_entry *entry = &ptid_entries[id - PTID_OFFSET];
193 /* append to end of free list so that we don't reuse it too early */
194 if (last_free_ptid) ptid_entries[last_free_ptid - PTID_OFFSET].next = id;
195 else next_free_ptid = id;
200 /* retrieve the pointer corresponding to a process or thread id */
201 void *get_ptid_entry( unsigned int id )
203 if (id < PTID_OFFSET) return NULL;
204 if (id - PTID_OFFSET >= used_ptid_entries) return NULL;
205 return ptid_entries[id - PTID_OFFSET].ptr;
208 /* return the main thread of the process */
209 struct thread *get_process_first_thread( struct process *process )
211 struct list *ptr = list_head( &process->thread_list );
212 if (!ptr) return NULL;
213 return LIST_ENTRY( ptr, struct thread, proc_entry );
216 /* set the state of the process startup info */
217 static void set_process_startup_state( struct process *process, enum startup_state state )
219 if (process->startup_state == STARTUP_IN_PROGRESS) process->startup_state = state;
220 if (process->startup_info)
222 wake_up( &process->startup_info->obj, 0 );
223 release_object( process->startup_info );
224 process->startup_info = NULL;
228 /* final cleanup once we are sure a process is really dead */
229 static void process_died( struct process *process )
231 if (debug_level) fprintf( stderr, "%04x: *process killed*\n", process->id );
232 if (!process->is_system)
234 if (!--user_processes && user_process_event)
235 set_event( user_process_event );
237 release_object( process );
238 if (!--running_processes) close_master_socket();
241 /* callback for process sigkill timeout */
242 static void process_sigkill( void *private )
244 struct process *process = private;
246 process->sigkill_timeout = NULL;
247 kill( process->unix_pid, SIGKILL );
248 process_died( process );
251 /* start the sigkill timer for a process upon exit */
252 static void start_sigkill_timer( struct process *process )
254 grab_object( process );
255 if (process->unix_pid != -1 && process->msg_fd)
256 process->sigkill_timeout = add_timeout_user( -TICKS_PER_SEC, process_sigkill, process );
258 process_died( process );
261 /* create a new process and its main thread */
262 /* if the function fails the fd is closed */
263 struct thread *create_process( int fd, struct thread *parent_thread, int inherit_all )
265 struct process *process;
266 struct thread *thread = NULL;
269 if (!(process = alloc_object( &process_ops )))
274 process->parent = NULL;
275 process->debugger = NULL;
276 process->handles = NULL;
277 process->msg_fd = NULL;
278 process->sigkill_timeout = NULL;
279 process->unix_pid = -1;
280 process->exit_code = STILL_ACTIVE;
281 process->running_threads = 0;
282 process->priority = PROCESS_PRIOCLASS_NORMAL;
283 process->affinity = 1;
284 process->suspend = 0;
285 process->is_system = 0;
286 process->create_flags = 0;
287 process->console = NULL;
288 process->startup_state = STARTUP_IN_PROGRESS;
289 process->startup_info = NULL;
290 process->idle_event = NULL;
291 process->queue = NULL;
293 process->ldt_copy = NULL;
294 process->winstation = 0;
295 process->desktop = 0;
296 process->token = NULL;
297 process->trace_data = 0;
298 list_init( &process->thread_list );
299 list_init( &process->locks );
300 list_init( &process->classes );
301 list_init( &process->dlls );
303 process->start_time = current_time;
304 process->end_time = 0;
305 list_add_head( &process_list, &process->entry );
307 if (!(process->id = process->group_id = alloc_ptid( process )))
312 if (!(process->msg_fd = create_anonymous_fd( &process_fd_ops, fd, &process->obj, 0 ))) goto error;
314 /* create the handle table */
317 process->handles = alloc_handle_table( process, 0 );
318 process->token = token_create_admin();
322 struct process *parent = parent_thread->process;
323 process->parent = (struct process *)grab_object( parent );
324 process->handles = inherit_all ? copy_handle_table( process, parent )
325 : alloc_handle_table( process, 0 );
326 /* Note: for security reasons, starting a new process does not attempt
327 * to use the current impersonation token for the new process */
328 process->token = token_duplicate( parent->token, TRUE, 0 );
330 if (!process->handles || !process->token) goto error;
332 /* create the main thread */
333 if (pipe( request_pipe ) == -1)
338 if (send_client_fd( process, request_pipe[1], 0 ) == -1)
340 close( request_pipe[0] );
341 close( request_pipe[1] );
344 close( request_pipe[1] );
345 if (!(thread = create_thread( request_pipe[0], process ))) goto error;
347 set_fd_events( process->msg_fd, POLLIN ); /* start listening to events */
348 release_object( process );
352 if (process) release_object( process );
353 /* if we failed to start our first process, close everything down */
354 if (!running_processes) close_master_socket();
358 /* initialize the current process and fill in the request */
359 data_size_t init_process( struct thread *thread )
361 struct process *process = thread->process;
362 struct startup_info *info = process->startup_info;
364 init_process_tracing( process );
366 return info->data_size;
369 /* destroy a process when its refcount is 0 */
370 static void process_destroy( struct object *obj )
372 struct process *process = (struct process *)obj;
373 assert( obj->ops == &process_ops );
375 /* we can't have a thread remaining */
376 assert( list_empty( &process->thread_list ));
378 assert( !process->sigkill_timeout ); /* timeout should hold a reference to the process */
380 set_process_startup_state( process, STARTUP_ABORTED );
381 if (process->console) release_object( process->console );
382 if (process->parent) release_object( process->parent );
383 if (process->msg_fd) release_object( process->msg_fd );
384 list_remove( &process->entry );
385 if (process->idle_event) release_object( process->idle_event );
386 if (process->queue) release_object( process->queue );
387 if (process->id) free_ptid( process->id );
388 if (process->token) release_object( process->token );
391 /* dump a process on stdout for debugging purposes */
392 static void process_dump( struct object *obj, int verbose )
394 struct process *process = (struct process *)obj;
395 assert( obj->ops == &process_ops );
397 fprintf( stderr, "Process id=%04x handles=%p\n", process->id, process->handles );
400 static int process_signaled( struct object *obj, struct thread *thread )
402 struct process *process = (struct process *)obj;
403 return !process->running_threads;
406 static unsigned int process_map_access( struct object *obj, unsigned int access )
408 if (access & GENERIC_READ) access |= STANDARD_RIGHTS_READ | SYNCHRONIZE;
409 if (access & GENERIC_WRITE) access |= STANDARD_RIGHTS_WRITE | SYNCHRONIZE;
410 if (access & GENERIC_EXECUTE) access |= STANDARD_RIGHTS_EXECUTE;
411 if (access & GENERIC_ALL) access |= PROCESS_ALL_ACCESS;
412 return access & ~(GENERIC_READ | GENERIC_WRITE | GENERIC_EXECUTE | GENERIC_ALL);
415 static void process_poll_event( struct fd *fd, int event )
417 struct process *process = get_fd_user( fd );
418 assert( process->obj.ops == &process_ops );
420 if (event & (POLLERR | POLLHUP))
422 release_object( process->msg_fd );
423 process->msg_fd = NULL;
424 if (process->sigkill_timeout) /* already waiting for it to die */
426 remove_timeout_user( process->sigkill_timeout );
427 process->sigkill_timeout = NULL;
428 process_died( process );
430 else kill_process( process, 0 );
432 else if (event & POLLIN) receive_fd( process );
435 static void startup_info_destroy( struct object *obj )
437 struct startup_info *info = (struct startup_info *)obj;
438 assert( obj->ops == &startup_info_ops );
440 if (info->exe_file) release_object( info->exe_file );
441 if (info->process) release_object( info->process );
444 static void startup_info_dump( struct object *obj, int verbose )
446 struct startup_info *info = (struct startup_info *)obj;
447 assert( obj->ops == &startup_info_ops );
449 fprintf( stderr, "Startup info in=%p out=%p err=%p\n",
450 info->hstdin, info->hstdout, info->hstderr );
453 static int startup_info_signaled( struct object *obj, struct thread *thread )
455 struct startup_info *info = (struct startup_info *)obj;
456 return info->process && info->process->startup_state != STARTUP_IN_PROGRESS;
459 /* get a process from an id (and increment the refcount) */
460 struct process *get_process_from_id( process_id_t id )
462 struct object *obj = get_ptid_entry( id );
464 if (obj && obj->ops == &process_ops) return (struct process *)grab_object( obj );
465 set_error( STATUS_INVALID_PARAMETER );
469 /* get a process from a handle (and increment the refcount) */
470 struct process *get_process_from_handle( obj_handle_t handle, unsigned int access )
472 return (struct process *)get_handle_obj( current->process, handle,
473 access, &process_ops );
476 /* find a dll from its base address */
477 static inline struct process_dll *find_process_dll( struct process *process, void *base )
479 struct process_dll *dll;
481 LIST_FOR_EACH_ENTRY( dll, &process->dlls, struct process_dll, entry )
483 if (dll->base == base) return dll;
488 /* add a dll to a process list */
489 static struct process_dll *process_load_dll( struct process *process, struct file *file,
490 void *base, const WCHAR *filename, data_size_t name_len )
492 struct process_dll *dll;
494 /* make sure we don't already have one with the same base address */
495 if (find_process_dll( process, base ))
497 set_error( STATUS_INVALID_PARAMETER );
501 if ((dll = mem_alloc( sizeof(*dll) )))
505 dll->filename = NULL;
506 dll->namelen = name_len;
507 if (name_len && !(dll->filename = memdup( filename, name_len )))
512 if (file) dll->file = grab_file_unless_removable( file );
513 list_add_tail( &process->dlls, &dll->entry );
518 /* remove a dll from a process list */
519 static void process_unload_dll( struct process *process, void *base )
521 struct process_dll *dll = find_process_dll( process, base );
523 if (dll && (&dll->entry != list_head( &process->dlls ))) /* main exe can't be unloaded */
525 if (dll->file) release_object( dll->file );
526 free( dll->filename );
527 list_remove( &dll->entry );
529 generate_debug_event( current, UNLOAD_DLL_DEBUG_EVENT, base );
531 else set_error( STATUS_INVALID_PARAMETER );
534 /* terminate a process with the given exit code */
535 static void terminate_process( struct process *process, struct thread *skip, int exit_code )
539 if (skip && skip->process == process) /* move it to the end of the list */
541 assert( skip->state != TERMINATED );
542 list_remove( &skip->proc_entry );
543 list_add_tail( &process->thread_list, &skip->proc_entry );
546 grab_object( process ); /* make sure it doesn't get freed when threads die */
547 while ((ptr = list_head( &process->thread_list )))
549 struct thread *thread = LIST_ENTRY( ptr, struct thread, proc_entry );
551 if (exit_code) thread->exit_code = exit_code;
552 if (thread == skip) break;
553 kill_thread( thread, 1 );
555 release_object( process );
558 /* kill all processes */
559 void kill_all_processes( struct process *skip, int exit_code )
563 struct process *process;
565 LIST_FOR_EACH_ENTRY( process, &process_list, struct process, entry )
567 if (process == skip) continue;
568 if (process->running_threads) break;
570 if (&process->entry == &process_list) break; /* no process found */
571 terminate_process( process, NULL, exit_code );
575 /* kill all processes being attached to a console renderer */
576 void kill_console_processes( struct thread *renderer, int exit_code )
578 for (;;) /* restart from the beginning of the list every time */
580 struct process *process;
582 /* find the first process being attached to 'renderer' and still running */
583 LIST_FOR_EACH_ENTRY( process, &process_list, struct process, entry )
585 if (process == renderer->process) continue;
586 if (!process->running_threads) continue;
587 if (process->console && console_get_renderer( process->console ) == renderer) break;
589 if (&process->entry == &process_list) break; /* no process found */
590 terminate_process( process, NULL, exit_code );
594 /* a process has been killed (i.e. its last thread died) */
595 static void process_killed( struct process *process )
597 struct handle_table *handles;
600 assert( list_empty( &process->thread_list ));
601 process->end_time = current_time;
602 close_process_desktop( process );
603 handles = process->handles;
604 process->handles = NULL;
605 if (handles) release_object( handles );
607 /* close the console attached to this process, if any */
608 free_console( process );
610 while ((ptr = list_head( &process->dlls )))
612 struct process_dll *dll = LIST_ENTRY( ptr, struct process_dll, entry );
613 if (dll->file) release_object( dll->file );
614 free( dll->filename );
615 list_remove( &dll->entry );
618 destroy_process_classes( process );
619 remove_process_locks( process );
620 set_process_startup_state( process, STARTUP_ABORTED );
621 finish_process_tracing( process );
622 start_sigkill_timer( process );
623 wake_up( &process->obj, 0 );
626 /* add a thread to a process running threads list */
627 void add_process_thread( struct process *process, struct thread *thread )
629 list_add_tail( &process->thread_list, &thread->proc_entry );
630 if (!process->running_threads++)
633 if (!process->is_system)
635 if (!user_processes++ && user_process_event)
636 reset_event( user_process_event );
639 grab_object( thread );
642 /* remove a thread from a process running threads list */
643 void remove_process_thread( struct process *process, struct thread *thread )
645 assert( process->running_threads > 0 );
646 assert( !list_empty( &process->thread_list ));
648 list_remove( &thread->proc_entry );
650 if (!--process->running_threads)
652 /* we have removed the last running thread, exit the process */
653 process->exit_code = thread->exit_code;
654 generate_debug_event( thread, EXIT_PROCESS_DEBUG_EVENT, process );
655 process_killed( process );
657 else generate_debug_event( thread, EXIT_THREAD_DEBUG_EVENT, thread );
658 release_object( thread );
661 /* suspend all the threads of a process */
662 void suspend_process( struct process *process )
664 if (!process->suspend++)
666 struct list *ptr, *next;
668 LIST_FOR_EACH_SAFE( ptr, next, &process->thread_list )
670 struct thread *thread = LIST_ENTRY( ptr, struct thread, proc_entry );
671 if (!thread->suspend) stop_thread( thread );
676 /* resume all the threads of a process */
677 void resume_process( struct process *process )
679 assert (process->suspend > 0);
680 if (!--process->suspend)
682 struct list *ptr, *next;
684 LIST_FOR_EACH_SAFE( ptr, next, &process->thread_list )
686 struct thread *thread = LIST_ENTRY( ptr, struct thread, proc_entry );
687 if (!thread->suspend) wake_thread( thread );
692 /* kill a process on the spot */
693 void kill_process( struct process *process, int violent_death )
695 if (violent_death) terminate_process( process, NULL, 1 );
700 grab_object( process ); /* make sure it doesn't get freed when threads die */
701 while ((ptr = list_head( &process->thread_list )))
703 struct thread *thread = LIST_ENTRY( ptr, struct thread, proc_entry );
704 kill_thread( thread, 0 );
706 release_object( process );
710 /* kill all processes being debugged by a given thread */
711 void kill_debugged_processes( struct thread *debugger, int exit_code )
713 for (;;) /* restart from the beginning of the list every time */
715 struct process *process;
717 /* find the first process being debugged by 'debugger' and still running */
718 LIST_FOR_EACH_ENTRY( process, &process_list, struct process, entry )
720 if (!process->running_threads) continue;
721 if (process->debugger == debugger) break;
723 if (&process->entry == &process_list) break; /* no process found */
724 process->debugger = NULL;
725 terminate_process( process, NULL, exit_code );
730 /* trigger a breakpoint event in a given process */
731 void break_process( struct process *process )
733 struct thread *thread;
735 suspend_process( process );
737 LIST_FOR_EACH_ENTRY( thread, &process->thread_list, struct thread, proc_entry )
739 if (thread->context) /* inside an exception event already */
741 break_thread( thread );
745 if ((thread = get_process_first_thread( process ))) thread->debug_break = 1;
746 else set_error( STATUS_ACCESS_DENIED );
748 resume_process( process );
752 /* detach a debugger from all its debuggees */
753 void detach_debugged_processes( struct thread *debugger )
755 struct process *process;
757 LIST_FOR_EACH_ENTRY( process, &process_list, struct process, entry )
759 if (process->debugger == debugger && process->running_threads)
761 debugger_detach( process, debugger );
767 void enum_processes( int (*cb)(struct process*, void*), void *user )
769 struct list *ptr, *next;
771 LIST_FOR_EACH_SAFE( ptr, next, &process_list )
773 struct process *process = LIST_ENTRY( ptr, struct process, entry );
774 if ((cb)(process, user)) break;
778 /* set the debugged flag in the process PEB */
779 int set_process_debug_flag( struct process *process, int flag )
781 char data = (flag != 0);
783 /* BeingDebugged flag is the byte at offset 2 in the PEB */
784 return write_process_memory( process, (char *)process->peb + 2, 1, &data );
787 /* take a snapshot of currently running processes */
788 struct process_snapshot *process_snap( int *count )
790 struct process_snapshot *snapshot, *ptr;
791 struct process *process;
793 if (!running_processes) return NULL;
794 if (!(snapshot = mem_alloc( sizeof(*snapshot) * running_processes )))
797 LIST_FOR_EACH_ENTRY( process, &process_list, struct process, entry )
799 if (!process->running_threads) continue;
800 ptr->process = process;
801 ptr->threads = process->running_threads;
802 ptr->count = process->obj.refcount;
803 ptr->priority = process->priority;
804 ptr->handles = get_handle_table_count(process);
805 grab_object( process );
809 if (!(*count = ptr - snapshot))
817 /* take a snapshot of the modules of a process */
818 struct module_snapshot *module_snap( struct process *process, int *count )
820 struct module_snapshot *snapshot, *ptr;
821 struct process_dll *dll;
824 LIST_FOR_EACH_ENTRY( dll, &process->dlls, struct process_dll, entry ) total++;
825 if (!(snapshot = mem_alloc( sizeof(*snapshot) * total ))) return NULL;
828 LIST_FOR_EACH_ENTRY( dll, &process->dlls, struct process_dll, entry )
830 ptr->base = dll->base;
831 ptr->size = dll->size;
832 ptr->namelen = dll->namelen;
833 ptr->filename = memdup( dll->filename, dll->namelen );
841 /* create a new process */
842 DECL_HANDLER(new_process)
844 struct startup_info *info;
845 struct thread *thread;
846 struct process *process;
847 struct process *parent = current->process;
848 int socket_fd = thread_get_inflight_fd( current, req->socket_fd );
852 set_error( STATUS_INVALID_PARAMETER );
855 if (fcntl( socket_fd, F_SETFL, O_NONBLOCK ) == -1)
857 set_error( STATUS_INVALID_HANDLE );
862 /* build the startup info for a new process */
863 if (!(info = alloc_object( &startup_info_ops ))) return;
864 info->hstdin = req->hstdin;
865 info->hstdout = req->hstdout;
866 info->hstderr = req->hstderr;
867 info->exe_file = NULL;
868 info->process = NULL;
869 info->data_size = get_req_data_size();
873 !(info->exe_file = get_file_obj( current->process, req->exe_file, FILE_READ_DATA )))
876 if (!(info->data = memdup( get_req_data(), info->data_size ))) goto done;
878 if (!(thread = create_process( socket_fd, current, req->inherit_all ))) goto done;
879 process = thread->process;
880 process->create_flags = req->create_flags;
881 process->startup_info = (struct startup_info *)grab_object( info );
883 /* connect to the window station */
884 connect_process_winstation( process, current );
886 /* thread will be actually suspended in init_done */
887 if (req->create_flags & CREATE_SUSPENDED) thread->suspend++;
889 /* set the process console */
890 if (!(req->create_flags & (DETACHED_PROCESS | CREATE_NEW_CONSOLE)))
892 /* FIXME: some better error checking should be done...
893 * like if hConOut and hConIn are console handles, then they should be on the same
896 inherit_console( current, process, req->inherit_all ? req->hstdin : 0 );
899 if (!req->inherit_all && !(req->create_flags & CREATE_NEW_CONSOLE))
901 info->hstdin = duplicate_handle( parent, req->hstdin, process,
902 0, OBJ_INHERIT, DUPLICATE_SAME_ACCESS );
903 info->hstdout = duplicate_handle( parent, req->hstdout, process,
904 0, OBJ_INHERIT, DUPLICATE_SAME_ACCESS );
905 info->hstderr = duplicate_handle( parent, req->hstderr, process,
906 0, OBJ_INHERIT, DUPLICATE_SAME_ACCESS );
907 /* some handles above may have been invalid; this is not an error */
908 if (get_error() == STATUS_INVALID_HANDLE ||
909 get_error() == STATUS_OBJECT_TYPE_MISMATCH) clear_error();
912 /* attach to the debugger if requested */
913 if (req->create_flags & (DEBUG_PROCESS | DEBUG_ONLY_THIS_PROCESS))
914 set_process_debugger( process, current );
915 else if (parent->debugger && !(parent->create_flags & DEBUG_ONLY_THIS_PROCESS))
916 set_process_debugger( process, parent->debugger );
918 if (!(req->create_flags & CREATE_NEW_PROCESS_GROUP))
919 process->group_id = parent->group_id;
921 info->process = (struct process *)grab_object( process );
922 reply->info = alloc_handle( current->process, info, SYNCHRONIZE, 0 );
923 reply->pid = get_process_id( process );
924 reply->tid = get_thread_id( thread );
925 reply->phandle = alloc_handle( parent, process, req->process_access, req->process_attr );
926 reply->thandle = alloc_handle( parent, thread, req->thread_access, req->thread_attr );
929 release_object( info );
932 /* Retrieve information about a newly started process */
933 DECL_HANDLER(get_new_process_info)
935 struct startup_info *info;
937 if ((info = (struct startup_info *)get_handle_obj( current->process, req->info,
938 0, &startup_info_ops )))
940 reply->success = is_process_init_done( info->process );
941 reply->exit_code = info->process->exit_code;
942 release_object( info );
946 /* Retrieve the new process startup info */
947 DECL_HANDLER(get_startup_info)
949 struct process *process = current->process;
950 struct startup_info *info = process->startup_info;
955 if (info->exe_file &&
956 !(reply->exe_file = alloc_handle( process, info->exe_file, GENERIC_READ, 0 ))) return;
958 reply->hstdin = info->hstdin;
959 reply->hstdout = info->hstdout;
960 reply->hstderr = info->hstderr;
962 /* we return the data directly without making a copy so this can only be called once */
963 size = info->data_size;
964 if (size > get_reply_max_size()) size = get_reply_max_size();
965 set_reply_data_ptr( info->data, size );
970 /* signal the end of the process initialization */
971 DECL_HANDLER(init_process_done)
973 struct process_dll *dll;
974 struct process *process = current->process;
976 if (is_process_init_done(process))
978 set_error( STATUS_INVALID_PARAMETER );
981 if (!(dll = find_process_dll( process, req->module )))
983 set_error( STATUS_DLL_NOT_FOUND );
987 /* main exe is the first in the dll list */
988 list_remove( &dll->entry );
989 list_add_head( &process->dlls, &dll->entry );
991 generate_startup_debug_events( process, req->entry );
992 set_process_startup_state( process, STARTUP_DONE );
994 if (req->gui) process->idle_event = create_event( NULL, NULL, 0, 1, 0, NULL );
995 if (current->suspend + process->suspend > 0) stop_thread( current );
996 if (process->debugger) set_process_debug_flag( process, 1 );
999 /* open a handle to a process */
1000 DECL_HANDLER(open_process)
1002 struct process *process = get_process_from_id( req->pid );
1006 reply->handle = alloc_handle( current->process, process, req->access, req->attributes );
1007 release_object( process );
1011 /* terminate a process */
1012 DECL_HANDLER(terminate_process)
1014 struct process *process;
1016 if ((process = get_process_from_handle( req->handle, PROCESS_TERMINATE )))
1018 reply->self = (current->process == process);
1019 terminate_process( process, current, req->exit_code );
1020 release_object( process );
1024 /* fetch information about a process */
1025 DECL_HANDLER(get_process_info)
1027 struct process *process;
1029 if ((process = get_process_from_handle( req->handle, PROCESS_QUERY_INFORMATION )))
1031 reply->pid = get_process_id( process );
1032 reply->ppid = process->parent ? get_process_id( process->parent ) : 0;
1033 reply->exit_code = process->exit_code;
1034 reply->priority = process->priority;
1035 reply->affinity = process->affinity;
1036 reply->peb = process->peb;
1037 reply->start_time = process->start_time;
1038 reply->end_time = process->end_time;
1039 release_object( process );
1043 /* set information about a process */
1044 DECL_HANDLER(set_process_info)
1046 struct process *process;
1048 if ((process = get_process_from_handle( req->handle, PROCESS_SET_INFORMATION )))
1050 if (req->mask & SET_PROCESS_INFO_PRIORITY) process->priority = req->priority;
1051 if (req->mask & SET_PROCESS_INFO_AFFINITY)
1053 if (req->affinity != 1) set_error( STATUS_INVALID_PARAMETER );
1054 else process->affinity = req->affinity;
1056 release_object( process );
1060 /* read data from a process address space */
1061 DECL_HANDLER(read_process_memory)
1063 struct process *process;
1064 data_size_t len = get_reply_max_size();
1066 if (!(process = get_process_from_handle( req->handle, PROCESS_VM_READ ))) return;
1070 char *buffer = mem_alloc( len );
1073 if (read_process_memory( process, req->addr, len, buffer ))
1074 set_reply_data_ptr( buffer, len );
1079 release_object( process );
1082 /* write data to a process address space */
1083 DECL_HANDLER(write_process_memory)
1085 struct process *process;
1087 if ((process = get_process_from_handle( req->handle, PROCESS_VM_WRITE )))
1089 data_size_t len = get_req_data_size();
1090 if (len) write_process_memory( process, req->addr, len, get_req_data() );
1091 else set_error( STATUS_INVALID_PARAMETER );
1092 release_object( process );
1096 /* notify the server that a dll has been loaded */
1097 DECL_HANDLER(load_dll)
1099 struct process_dll *dll;
1100 struct file *file = NULL;
1102 if (req->handle && !(file = get_file_obj( current->process, req->handle, FILE_READ_DATA )))
1105 if ((dll = process_load_dll( current->process, file, req->base,
1106 get_req_data(), get_req_data_size() )))
1108 dll->size = req->size;
1109 dll->dbg_offset = req->dbg_offset;
1110 dll->dbg_size = req->dbg_size;
1111 dll->name = req->name;
1112 /* only generate event if initialization is done */
1113 if (is_process_init_done( current->process ))
1114 generate_debug_event( current, LOAD_DLL_DEBUG_EVENT, dll );
1116 if (file) release_object( file );
1119 /* notify the server that a dll is being unloaded */
1120 DECL_HANDLER(unload_dll)
1122 process_unload_dll( current->process, req->base );
1125 /* retrieve information about a module in a process */
1126 DECL_HANDLER(get_dll_info)
1128 struct process *process;
1130 if ((process = get_process_from_handle( req->handle, PROCESS_QUERY_INFORMATION )))
1132 struct process_dll *dll;
1134 if (req->base_address)
1135 dll = find_process_dll( process, req->base_address );
1136 else /* NULL means main module */
1137 dll = list_head( &process->dlls ) ?
1138 LIST_ENTRY(list_head( &process->dlls ), struct process_dll, entry) : NULL;
1142 reply->size = dll->size;
1143 reply->entry_point = NULL; /* FIXME */
1144 reply->filename_len = dll->namelen;
1147 if (dll->namelen <= get_reply_max_size())
1148 set_reply_data( dll->filename, dll->namelen );
1150 set_error( STATUS_BUFFER_TOO_SMALL );
1154 set_error( STATUS_DLL_NOT_FOUND );
1156 release_object( process );
1160 /* retrieve the process idle event */
1161 DECL_HANDLER(get_process_idle_event)
1163 struct process *process;
1166 if ((process = get_process_from_handle( req->handle, PROCESS_QUERY_INFORMATION )))
1168 if (process->idle_event && process != current->process)
1169 reply->event = alloc_handle( current->process, process->idle_event,
1170 EVENT_ALL_ACCESS, 0 );
1171 release_object( process );
1175 /* make the current process a system process */
1176 DECL_HANDLER(make_process_system)
1178 struct process *process = current->process;
1180 if (!user_process_event)
1182 if (!(user_process_event = create_event( NULL, NULL, 0, 1, 0, NULL ))) return;
1183 make_object_static( (struct object *)user_process_event );
1186 if (!(reply->event = alloc_handle( current->process, user_process_event, EVENT_ALL_ACCESS, 0 )))
1189 if (!process->is_system)
1191 process->is_system = 1;
1192 if (!--user_processes) set_event( user_process_event );