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;
57 /* process operations */
59 static void process_dump( struct object *obj, int verbose );
60 static int process_signaled( struct object *obj, struct thread *thread );
61 static unsigned int process_map_access( struct object *obj, unsigned int access );
62 static void process_poll_event( struct fd *fd, int event );
63 static void process_destroy( struct object *obj );
65 static const struct object_ops process_ops =
67 sizeof(struct process), /* size */
68 process_dump, /* dump */
69 add_queue, /* add_queue */
70 remove_queue, /* remove_queue */
71 process_signaled, /* signaled */
72 no_satisfied, /* satisfied */
73 no_signal, /* signal */
74 no_get_fd, /* get_fd */
75 process_map_access, /* map_access */
76 no_lookup_name, /* lookup_name */
77 no_open_file, /* open_file */
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 NULL, /* get_fd_type */
89 NULL, /* queue_async */
90 NULL, /* reselect_async */
91 NULL /* cancel async */
94 /* process startup info */
98 struct object obj; /* object header */
99 obj_handle_t hstdin; /* handle for stdin */
100 obj_handle_t hstdout; /* handle for stdout */
101 obj_handle_t hstderr; /* handle for stderr */
102 struct file *exe_file; /* file handle for main exe */
103 struct process *process; /* created process */
104 data_size_t data_size; /* size of startup data */
105 void *data; /* data for startup info */
108 static void startup_info_dump( struct object *obj, int verbose );
109 static int startup_info_signaled( struct object *obj, struct thread *thread );
110 static void startup_info_destroy( struct object *obj );
112 static const struct object_ops startup_info_ops =
114 sizeof(struct startup_info), /* size */
115 startup_info_dump, /* dump */
116 add_queue, /* add_queue */
117 remove_queue, /* remove_queue */
118 startup_info_signaled, /* signaled */
119 no_satisfied, /* satisfied */
120 no_signal, /* signal */
121 no_get_fd, /* get_fd */
122 no_map_access, /* map_access */
123 no_lookup_name, /* lookup_name */
124 no_open_file, /* open_file */
125 no_close_handle, /* close_handle */
126 startup_info_destroy /* destroy */
132 void *ptr; /* entry ptr */
133 unsigned int next; /* next free entry */
136 static struct ptid_entry *ptid_entries; /* array of ptid entries */
137 static unsigned int used_ptid_entries; /* number of entries in use */
138 static unsigned int alloc_ptid_entries; /* number of allocated entries */
139 static unsigned int next_free_ptid; /* next free entry */
140 static unsigned int last_free_ptid; /* last free entry */
142 #define PTID_OFFSET 8 /* offset for first ptid value */
144 /* allocate a new process or thread id */
145 unsigned int alloc_ptid( void *ptr )
147 struct ptid_entry *entry;
150 if (used_ptid_entries < alloc_ptid_entries)
152 id = used_ptid_entries + PTID_OFFSET;
153 entry = &ptid_entries[used_ptid_entries++];
155 else if (next_free_ptid)
158 entry = &ptid_entries[id - PTID_OFFSET];
159 if (!(next_free_ptid = entry->next)) last_free_ptid = 0;
161 else /* need to grow the array */
163 unsigned int count = alloc_ptid_entries + (alloc_ptid_entries / 2);
164 if (!count) count = 64;
165 if (!(entry = realloc( ptid_entries, count * sizeof(*entry) )))
167 set_error( STATUS_NO_MEMORY );
170 ptid_entries = entry;
171 alloc_ptid_entries = count;
172 id = used_ptid_entries + PTID_OFFSET;
173 entry = &ptid_entries[used_ptid_entries++];
180 /* free a process or thread id */
181 void free_ptid( unsigned int id )
183 struct ptid_entry *entry = &ptid_entries[id - PTID_OFFSET];
188 /* append to end of free list so that we don't reuse it too early */
189 if (last_free_ptid) ptid_entries[last_free_ptid - PTID_OFFSET].next = id;
190 else next_free_ptid = id;
195 /* retrieve the pointer corresponding to a process or thread id */
196 void *get_ptid_entry( unsigned int id )
198 if (id < PTID_OFFSET) return NULL;
199 if (id - PTID_OFFSET >= used_ptid_entries) return NULL;
200 return ptid_entries[id - PTID_OFFSET].ptr;
203 /* return the main thread of the process */
204 struct thread *get_process_first_thread( struct process *process )
206 struct list *ptr = list_head( &process->thread_list );
207 if (!ptr) return NULL;
208 return LIST_ENTRY( ptr, struct thread, proc_entry );
211 /* set the state of the process startup info */
212 static void set_process_startup_state( struct process *process, enum startup_state state )
214 if (process->startup_state == STARTUP_IN_PROGRESS) process->startup_state = state;
215 if (process->startup_info)
217 wake_up( &process->startup_info->obj, 0 );
218 release_object( process->startup_info );
219 process->startup_info = NULL;
223 /* final cleanup once we are sure a process is really dead */
224 static void process_died( struct process *process )
226 if (debug_level) fprintf( stderr, "%04x: *process killed*\n", process->id );
227 release_object( process );
228 if (!--running_processes) close_master_socket();
231 /* callback for process sigkill timeout */
232 static void process_sigkill( void *private )
234 struct process *process = private;
236 process->sigkill_timeout = NULL;
237 kill( process->unix_pid, SIGKILL );
238 process_died( process );
241 /* start the sigkill timer for a process upon exit */
242 static void start_sigkill_timer( struct process *process )
244 grab_object( process );
245 if (process->unix_pid != -1 && process->msg_fd)
246 process->sigkill_timeout = add_timeout_user( -TICKS_PER_SEC, process_sigkill, process );
248 process_died( process );
251 /* create a new process and its main thread */
252 /* if the function fails the fd is closed */
253 struct thread *create_process( int fd, struct thread *parent_thread, int inherit_all )
255 struct process *process;
256 struct thread *thread = NULL;
259 if (!(process = alloc_object( &process_ops )))
264 process->parent = NULL;
265 process->debugger = NULL;
266 process->handles = NULL;
267 process->msg_fd = NULL;
268 process->sigkill_timeout = NULL;
269 process->unix_pid = -1;
270 process->exit_code = STILL_ACTIVE;
271 process->running_threads = 0;
272 process->priority = PROCESS_PRIOCLASS_NORMAL;
273 process->affinity = 1;
274 process->suspend = 0;
275 process->create_flags = 0;
276 process->console = NULL;
277 process->startup_state = STARTUP_IN_PROGRESS;
278 process->startup_info = NULL;
279 process->idle_event = NULL;
280 process->queue = NULL;
282 process->ldt_copy = NULL;
283 process->winstation = 0;
284 process->desktop = 0;
285 process->token = token_create_admin();
286 process->trace_data = 0;
287 list_init( &process->thread_list );
288 list_init( &process->locks );
289 list_init( &process->classes );
290 list_init( &process->dlls );
292 process->start_time = current_time;
293 process->end_time = 0;
294 list_add_head( &process_list, &process->entry );
296 if (!(process->id = process->group_id = alloc_ptid( process )))
301 if (!(process->msg_fd = create_anonymous_fd( &process_fd_ops, fd, &process->obj, 0 ))) goto error;
303 /* create the handle table */
304 if (!parent_thread) process->handles = alloc_handle_table( process, 0 );
307 struct process *parent = parent_thread->process;
308 process->parent = (struct process *)grab_object( parent );
309 process->handles = inherit_all ? copy_handle_table( process, parent )
310 : alloc_handle_table( process, 0 );
312 if (!process->handles) goto error;
314 /* create the main thread */
315 if (pipe( request_pipe ) == -1)
320 if (send_client_fd( process, request_pipe[1], 0 ) == -1)
322 close( request_pipe[0] );
323 close( request_pipe[1] );
326 close( request_pipe[1] );
327 if (!(thread = create_thread( request_pipe[0], process ))) goto error;
329 set_fd_events( process->msg_fd, POLLIN ); /* start listening to events */
330 release_object( process );
334 if (process) release_object( process );
335 /* if we failed to start our first process, close everything down */
336 if (!running_processes) close_master_socket();
340 /* initialize the current process and fill in the request */
341 data_size_t init_process( struct thread *thread )
343 struct process *process = thread->process;
344 struct startup_info *info = process->startup_info;
346 init_process_tracing( process );
348 return info->data_size;
351 /* destroy a process when its refcount is 0 */
352 static void process_destroy( struct object *obj )
354 struct process *process = (struct process *)obj;
355 assert( obj->ops == &process_ops );
357 /* we can't have a thread remaining */
358 assert( list_empty( &process->thread_list ));
360 assert( !process->sigkill_timeout ); /* timeout should hold a reference to the process */
362 set_process_startup_state( process, STARTUP_ABORTED );
363 if (process->console) release_object( process->console );
364 if (process->parent) release_object( process->parent );
365 if (process->msg_fd) release_object( process->msg_fd );
366 list_remove( &process->entry );
367 if (process->idle_event) release_object( process->idle_event );
368 if (process->queue) release_object( process->queue );
369 if (process->id) free_ptid( process->id );
370 if (process->token) release_object( process->token );
373 /* dump a process on stdout for debugging purposes */
374 static void process_dump( struct object *obj, int verbose )
376 struct process *process = (struct process *)obj;
377 assert( obj->ops == &process_ops );
379 fprintf( stderr, "Process id=%04x handles=%p\n", process->id, process->handles );
382 static int process_signaled( struct object *obj, struct thread *thread )
384 struct process *process = (struct process *)obj;
385 return !process->running_threads;
388 static unsigned int process_map_access( struct object *obj, unsigned int access )
390 if (access & GENERIC_READ) access |= STANDARD_RIGHTS_READ | SYNCHRONIZE;
391 if (access & GENERIC_WRITE) access |= STANDARD_RIGHTS_WRITE | SYNCHRONIZE;
392 if (access & GENERIC_EXECUTE) access |= STANDARD_RIGHTS_EXECUTE;
393 if (access & GENERIC_ALL) access |= PROCESS_ALL_ACCESS;
394 return access & ~(GENERIC_READ | GENERIC_WRITE | GENERIC_EXECUTE | GENERIC_ALL);
397 static void process_poll_event( struct fd *fd, int event )
399 struct process *process = get_fd_user( fd );
400 assert( process->obj.ops == &process_ops );
402 if (event & (POLLERR | POLLHUP))
404 release_object( process->msg_fd );
405 process->msg_fd = NULL;
406 if (process->sigkill_timeout) /* already waiting for it to die */
408 remove_timeout_user( process->sigkill_timeout );
409 process->sigkill_timeout = NULL;
410 process_died( process );
412 else kill_process( process, 0 );
414 else if (event & POLLIN) receive_fd( process );
417 static void startup_info_destroy( struct object *obj )
419 struct startup_info *info = (struct startup_info *)obj;
420 assert( obj->ops == &startup_info_ops );
422 if (info->exe_file) release_object( info->exe_file );
423 if (info->process) release_object( info->process );
426 static void startup_info_dump( struct object *obj, int verbose )
428 struct startup_info *info = (struct startup_info *)obj;
429 assert( obj->ops == &startup_info_ops );
431 fprintf( stderr, "Startup info in=%p out=%p err=%p\n",
432 info->hstdin, info->hstdout, info->hstderr );
435 static int startup_info_signaled( struct object *obj, struct thread *thread )
437 struct startup_info *info = (struct startup_info *)obj;
438 return info->process && info->process->startup_state != STARTUP_IN_PROGRESS;
441 /* get a process from an id (and increment the refcount) */
442 struct process *get_process_from_id( process_id_t id )
444 struct object *obj = get_ptid_entry( id );
446 if (obj && obj->ops == &process_ops) return (struct process *)grab_object( obj );
447 set_error( STATUS_INVALID_PARAMETER );
451 /* get a process from a handle (and increment the refcount) */
452 struct process *get_process_from_handle( obj_handle_t handle, unsigned int access )
454 return (struct process *)get_handle_obj( current->process, handle,
455 access, &process_ops );
458 /* find a dll from its base address */
459 static inline struct process_dll *find_process_dll( struct process *process, void *base )
461 struct process_dll *dll;
463 LIST_FOR_EACH_ENTRY( dll, &process->dlls, struct process_dll, entry )
465 if (dll->base == base) return dll;
470 /* add a dll to a process list */
471 static struct process_dll *process_load_dll( struct process *process, struct file *file,
472 void *base, const WCHAR *filename, data_size_t name_len )
474 struct process_dll *dll;
476 /* make sure we don't already have one with the same base address */
477 if (find_process_dll( process, base ))
479 set_error( STATUS_INVALID_PARAMETER );
483 if ((dll = mem_alloc( sizeof(*dll) )))
487 dll->filename = NULL;
488 dll->namelen = name_len;
489 if (name_len && !(dll->filename = memdup( filename, name_len )))
494 if (file) dll->file = grab_file_unless_removable( file );
495 list_add_tail( &process->dlls, &dll->entry );
500 /* remove a dll from a process list */
501 static void process_unload_dll( struct process *process, void *base )
503 struct process_dll *dll = find_process_dll( process, base );
505 if (dll && (&dll->entry != list_head( &process->dlls ))) /* main exe can't be unloaded */
507 if (dll->file) release_object( dll->file );
508 free( dll->filename );
509 list_remove( &dll->entry );
511 generate_debug_event( current, UNLOAD_DLL_DEBUG_EVENT, base );
513 else set_error( STATUS_INVALID_PARAMETER );
516 /* terminate a process with the given exit code */
517 static void terminate_process( struct process *process, struct thread *skip, int exit_code )
521 if (skip && skip->process == process) /* move it to the end of the list */
523 assert( skip->state != TERMINATED );
524 list_remove( &skip->proc_entry );
525 list_add_tail( &process->thread_list, &skip->proc_entry );
528 grab_object( process ); /* make sure it doesn't get freed when threads die */
529 while ((ptr = list_head( &process->thread_list )))
531 struct thread *thread = LIST_ENTRY( ptr, struct thread, proc_entry );
533 if (exit_code) thread->exit_code = exit_code;
534 if (thread == skip) break;
535 kill_thread( thread, 1 );
537 release_object( process );
540 /* kill all processes */
541 void kill_all_processes( struct process *skip, int exit_code )
545 struct process *process;
547 LIST_FOR_EACH_ENTRY( process, &process_list, struct process, entry )
549 if (process == skip) continue;
550 if (process->running_threads) break;
552 if (&process->entry == &process_list) break; /* no process found */
553 terminate_process( process, NULL, exit_code );
557 /* kill all processes being attached to a console renderer */
558 void kill_console_processes( struct thread *renderer, int exit_code )
560 for (;;) /* restart from the beginning of the list every time */
562 struct process *process;
564 /* find the first process being attached to 'renderer' and still running */
565 LIST_FOR_EACH_ENTRY( process, &process_list, struct process, entry )
567 if (process == renderer->process) continue;
568 if (!process->running_threads) continue;
569 if (process->console && console_get_renderer( process->console ) == renderer) break;
571 if (&process->entry == &process_list) break; /* no process found */
572 terminate_process( process, NULL, exit_code );
576 /* a process has been killed (i.e. its last thread died) */
577 static void process_killed( struct process *process )
579 struct handle_table *handles;
582 assert( list_empty( &process->thread_list ));
583 process->end_time = current_time;
584 close_process_desktop( process );
585 handles = process->handles;
586 process->handles = NULL;
587 if (handles) release_object( handles );
589 /* close the console attached to this process, if any */
590 free_console( process );
592 while ((ptr = list_head( &process->dlls )))
594 struct process_dll *dll = LIST_ENTRY( ptr, struct process_dll, entry );
595 if (dll->file) release_object( dll->file );
596 free( dll->filename );
597 list_remove( &dll->entry );
600 destroy_process_classes( process );
601 remove_process_locks( process );
602 set_process_startup_state( process, STARTUP_ABORTED );
603 finish_process_tracing( process );
604 start_sigkill_timer( process );
605 wake_up( &process->obj, 0 );
608 /* add a thread to a process running threads list */
609 void add_process_thread( struct process *process, struct thread *thread )
611 list_add_tail( &process->thread_list, &thread->proc_entry );
612 if (!process->running_threads++) running_processes++;
613 grab_object( thread );
616 /* remove a thread from a process running threads list */
617 void remove_process_thread( struct process *process, struct thread *thread )
619 assert( process->running_threads > 0 );
620 assert( !list_empty( &process->thread_list ));
622 list_remove( &thread->proc_entry );
624 if (!--process->running_threads)
626 /* we have removed the last running thread, exit the process */
627 process->exit_code = thread->exit_code;
628 generate_debug_event( thread, EXIT_PROCESS_DEBUG_EVENT, process );
629 process_killed( process );
631 else generate_debug_event( thread, EXIT_THREAD_DEBUG_EVENT, thread );
632 release_object( thread );
635 /* suspend all the threads of a process */
636 void suspend_process( struct process *process )
638 if (!process->suspend++)
640 struct list *ptr, *next;
642 LIST_FOR_EACH_SAFE( ptr, next, &process->thread_list )
644 struct thread *thread = LIST_ENTRY( ptr, struct thread, proc_entry );
645 if (!thread->suspend) stop_thread( thread );
650 /* resume all the threads of a process */
651 void resume_process( struct process *process )
653 assert (process->suspend > 0);
654 if (!--process->suspend)
656 struct list *ptr, *next;
658 LIST_FOR_EACH_SAFE( ptr, next, &process->thread_list )
660 struct thread *thread = LIST_ENTRY( ptr, struct thread, proc_entry );
661 if (!thread->suspend) wake_thread( thread );
666 /* kill a process on the spot */
667 void kill_process( struct process *process, int violent_death )
669 if (violent_death) terminate_process( process, NULL, 1 );
674 grab_object( process ); /* make sure it doesn't get freed when threads die */
675 while ((ptr = list_head( &process->thread_list )))
677 struct thread *thread = LIST_ENTRY( ptr, struct thread, proc_entry );
678 kill_thread( thread, 0 );
680 release_object( process );
684 /* kill all processes being debugged by a given thread */
685 void kill_debugged_processes( struct thread *debugger, int exit_code )
687 for (;;) /* restart from the beginning of the list every time */
689 struct process *process;
691 /* find the first process being debugged by 'debugger' and still running */
692 LIST_FOR_EACH_ENTRY( process, &process_list, struct process, entry )
694 if (!process->running_threads) continue;
695 if (process->debugger == debugger) break;
697 if (&process->entry == &process_list) break; /* no process found */
698 process->debugger = NULL;
699 terminate_process( process, NULL, exit_code );
704 /* trigger a breakpoint event in a given process */
705 void break_process( struct process *process )
707 struct thread *thread;
709 suspend_process( process );
711 LIST_FOR_EACH_ENTRY( thread, &process->thread_list, struct thread, proc_entry )
713 if (thread->context) /* inside an exception event already */
715 break_thread( thread );
719 if ((thread = get_process_first_thread( process ))) thread->debug_break = 1;
720 else set_error( STATUS_ACCESS_DENIED );
722 resume_process( process );
726 /* detach a debugger from all its debuggees */
727 void detach_debugged_processes( struct thread *debugger )
729 struct process *process;
731 LIST_FOR_EACH_ENTRY( process, &process_list, struct process, entry )
733 if (process->debugger == debugger && process->running_threads)
735 debugger_detach( process, debugger );
741 void enum_processes( int (*cb)(struct process*, void*), void *user )
743 struct list *ptr, *next;
745 LIST_FOR_EACH_SAFE( ptr, next, &process_list )
747 struct process *process = LIST_ENTRY( ptr, struct process, entry );
748 if ((cb)(process, user)) break;
752 /* set the debugged flag in the process PEB */
753 int set_process_debug_flag( struct process *process, int flag )
755 char data = (flag != 0);
757 /* BeingDebugged flag is the byte at offset 2 in the PEB */
758 return write_process_memory( process, (char *)process->peb + 2, 1, &data );
761 /* take a snapshot of currently running processes */
762 struct process_snapshot *process_snap( int *count )
764 struct process_snapshot *snapshot, *ptr;
765 struct process *process;
767 if (!running_processes) return NULL;
768 if (!(snapshot = mem_alloc( sizeof(*snapshot) * running_processes )))
771 LIST_FOR_EACH_ENTRY( process, &process_list, struct process, entry )
773 if (!process->running_threads) continue;
774 ptr->process = process;
775 ptr->threads = process->running_threads;
776 ptr->count = process->obj.refcount;
777 ptr->priority = process->priority;
778 ptr->handles = get_handle_table_count(process);
779 grab_object( process );
783 if (!(*count = ptr - snapshot))
791 /* take a snapshot of the modules of a process */
792 struct module_snapshot *module_snap( struct process *process, int *count )
794 struct module_snapshot *snapshot, *ptr;
795 struct process_dll *dll;
798 LIST_FOR_EACH_ENTRY( dll, &process->dlls, struct process_dll, entry ) total++;
799 if (!(snapshot = mem_alloc( sizeof(*snapshot) * total ))) return NULL;
802 LIST_FOR_EACH_ENTRY( dll, &process->dlls, struct process_dll, entry )
804 ptr->base = dll->base;
805 ptr->size = dll->size;
806 ptr->namelen = dll->namelen;
807 ptr->filename = memdup( dll->filename, dll->namelen );
815 /* create a new process */
816 DECL_HANDLER(new_process)
818 struct startup_info *info;
819 struct thread *thread;
820 struct process *process;
821 struct process *parent = current->process;
822 int socket_fd = thread_get_inflight_fd( current, req->socket_fd );
826 set_error( STATUS_INVALID_PARAMETER );
829 if (fcntl( socket_fd, F_SETFL, O_NONBLOCK ) == -1)
831 set_error( STATUS_INVALID_HANDLE );
836 /* build the startup info for a new process */
837 if (!(info = alloc_object( &startup_info_ops ))) return;
838 info->hstdin = req->hstdin;
839 info->hstdout = req->hstdout;
840 info->hstderr = req->hstderr;
841 info->exe_file = NULL;
842 info->process = NULL;
843 info->data_size = get_req_data_size();
847 !(info->exe_file = get_file_obj( current->process, req->exe_file, FILE_READ_DATA )))
850 if (!(info->data = memdup( get_req_data(), info->data_size ))) goto done;
852 if (!(thread = create_process( socket_fd, current, req->inherit_all ))) goto done;
853 process = thread->process;
854 process->create_flags = req->create_flags;
855 process->startup_info = (struct startup_info *)grab_object( info );
857 /* connect to the window station */
858 connect_process_winstation( process, current );
860 /* thread will be actually suspended in init_done */
861 if (req->create_flags & CREATE_SUSPENDED) thread->suspend++;
863 /* set the process console */
864 if (!(req->create_flags & (DETACHED_PROCESS | CREATE_NEW_CONSOLE)))
866 /* FIXME: some better error checking should be done...
867 * like if hConOut and hConIn are console handles, then they should be on the same
870 inherit_console( current, process, req->inherit_all ? req->hstdin : 0 );
873 if (!req->inherit_all && !(req->create_flags & CREATE_NEW_CONSOLE))
875 info->hstdin = duplicate_handle( parent, req->hstdin, process,
876 0, OBJ_INHERIT, DUPLICATE_SAME_ACCESS );
877 info->hstdout = duplicate_handle( parent, req->hstdout, process,
878 0, OBJ_INHERIT, DUPLICATE_SAME_ACCESS );
879 info->hstderr = duplicate_handle( parent, req->hstderr, process,
880 0, OBJ_INHERIT, DUPLICATE_SAME_ACCESS );
881 /* some handles above may have been invalid; this is not an error */
882 if (get_error() == STATUS_INVALID_HANDLE ||
883 get_error() == STATUS_OBJECT_TYPE_MISMATCH) clear_error();
886 /* attach to the debugger if requested */
887 if (req->create_flags & (DEBUG_PROCESS | DEBUG_ONLY_THIS_PROCESS))
888 set_process_debugger( process, current );
889 else if (parent->debugger && !(parent->create_flags & DEBUG_ONLY_THIS_PROCESS))
890 set_process_debugger( process, parent->debugger );
892 if (!(req->create_flags & CREATE_NEW_PROCESS_GROUP))
893 process->group_id = parent->group_id;
895 info->process = (struct process *)grab_object( process );
896 reply->info = alloc_handle( current->process, info, SYNCHRONIZE, 0 );
897 reply->pid = get_process_id( process );
898 reply->tid = get_thread_id( thread );
899 reply->phandle = alloc_handle( parent, process, req->process_access, req->process_attr );
900 reply->thandle = alloc_handle( parent, thread, req->thread_access, req->thread_attr );
903 release_object( info );
906 /* Retrieve information about a newly started process */
907 DECL_HANDLER(get_new_process_info)
909 struct startup_info *info;
911 if ((info = (struct startup_info *)get_handle_obj( current->process, req->info,
912 0, &startup_info_ops )))
914 reply->success = is_process_init_done( info->process );
915 reply->exit_code = info->process->exit_code;
916 release_object( info );
920 /* Retrieve the new process startup info */
921 DECL_HANDLER(get_startup_info)
923 struct process *process = current->process;
924 struct startup_info *info = process->startup_info;
929 if (info->exe_file &&
930 !(reply->exe_file = alloc_handle( process, info->exe_file, GENERIC_READ, 0 ))) return;
932 reply->hstdin = info->hstdin;
933 reply->hstdout = info->hstdout;
934 reply->hstderr = info->hstderr;
936 /* we return the data directly without making a copy so this can only be called once */
937 size = info->data_size;
938 if (size > get_reply_max_size()) size = get_reply_max_size();
939 set_reply_data_ptr( info->data, size );
944 /* signal the end of the process initialization */
945 DECL_HANDLER(init_process_done)
947 struct process_dll *dll;
948 struct process *process = current->process;
950 if (is_process_init_done(process))
952 set_error( STATUS_INVALID_PARAMETER );
955 if (!(dll = find_process_dll( process, req->module )))
957 set_error( STATUS_DLL_NOT_FOUND );
961 /* main exe is the first in the dll list */
962 list_remove( &dll->entry );
963 list_add_head( &process->dlls, &dll->entry );
965 generate_startup_debug_events( process, req->entry );
966 set_process_startup_state( process, STARTUP_DONE );
968 if (req->gui) process->idle_event = create_event( NULL, NULL, 0, 1, 0 );
969 if (current->suspend + process->suspend > 0) stop_thread( current );
970 if (process->debugger) set_process_debug_flag( process, 1 );
973 /* open a handle to a process */
974 DECL_HANDLER(open_process)
976 struct process *process = get_process_from_id( req->pid );
980 reply->handle = alloc_handle( current->process, process, req->access, req->attributes );
981 release_object( process );
985 /* terminate a process */
986 DECL_HANDLER(terminate_process)
988 struct process *process;
990 if ((process = get_process_from_handle( req->handle, PROCESS_TERMINATE )))
992 reply->self = (current->process == process);
993 terminate_process( process, current, req->exit_code );
994 release_object( process );
998 /* fetch information about a process */
999 DECL_HANDLER(get_process_info)
1001 struct process *process;
1003 if ((process = get_process_from_handle( req->handle, PROCESS_QUERY_INFORMATION )))
1005 reply->pid = get_process_id( process );
1006 reply->ppid = process->parent ? get_process_id( process->parent ) : 0;
1007 reply->exit_code = process->exit_code;
1008 reply->priority = process->priority;
1009 reply->affinity = process->affinity;
1010 reply->peb = process->peb;
1011 reply->start_time = process->start_time;
1012 reply->end_time = process->end_time;
1013 release_object( process );
1017 /* set information about a process */
1018 DECL_HANDLER(set_process_info)
1020 struct process *process;
1022 if ((process = get_process_from_handle( req->handle, PROCESS_SET_INFORMATION )))
1024 if (req->mask & SET_PROCESS_INFO_PRIORITY) process->priority = req->priority;
1025 if (req->mask & SET_PROCESS_INFO_AFFINITY)
1027 if (req->affinity != 1) set_error( STATUS_INVALID_PARAMETER );
1028 else process->affinity = req->affinity;
1030 release_object( process );
1034 /* read data from a process address space */
1035 DECL_HANDLER(read_process_memory)
1037 struct process *process;
1038 data_size_t len = get_reply_max_size();
1040 if (!(process = get_process_from_handle( req->handle, PROCESS_VM_READ ))) return;
1044 char *buffer = mem_alloc( len );
1047 if (read_process_memory( process, req->addr, len, buffer ))
1048 set_reply_data_ptr( buffer, len );
1053 release_object( process );
1056 /* write data to a process address space */
1057 DECL_HANDLER(write_process_memory)
1059 struct process *process;
1061 if ((process = get_process_from_handle( req->handle, PROCESS_VM_WRITE )))
1063 data_size_t len = get_req_data_size();
1064 if (len) write_process_memory( process, req->addr, len, get_req_data() );
1065 else set_error( STATUS_INVALID_PARAMETER );
1066 release_object( process );
1070 /* notify the server that a dll has been loaded */
1071 DECL_HANDLER(load_dll)
1073 struct process_dll *dll;
1074 struct file *file = NULL;
1076 if (req->handle && !(file = get_file_obj( current->process, req->handle, FILE_READ_DATA )))
1079 if ((dll = process_load_dll( current->process, file, req->base,
1080 get_req_data(), get_req_data_size() )))
1082 dll->size = req->size;
1083 dll->dbg_offset = req->dbg_offset;
1084 dll->dbg_size = req->dbg_size;
1085 dll->name = req->name;
1086 /* only generate event if initialization is done */
1087 if (is_process_init_done( current->process ))
1088 generate_debug_event( current, LOAD_DLL_DEBUG_EVENT, dll );
1090 if (file) release_object( file );
1093 /* notify the server that a dll is being unloaded */
1094 DECL_HANDLER(unload_dll)
1096 process_unload_dll( current->process, req->base );
1099 /* retrieve information about a module in a process */
1100 DECL_HANDLER(get_dll_info)
1102 struct process *process;
1104 if ((process = get_process_from_handle( req->handle, PROCESS_QUERY_INFORMATION )))
1106 struct process_dll *dll = find_process_dll( process, req->base_address );
1110 reply->size = dll->size;
1111 reply->entry_point = NULL; /* FIXME */
1114 data_size_t len = min( dll->namelen, get_reply_max_size() );
1115 set_reply_data( dll->filename, len );
1119 set_error( STATUS_DLL_NOT_FOUND );
1121 release_object( process );
1125 /* retrieve the process idle event */
1126 DECL_HANDLER(get_process_idle_event)
1128 struct process *process;
1131 if ((process = get_process_from_handle( req->handle, PROCESS_QUERY_INFORMATION )))
1133 if (process->idle_event && process != current->process)
1134 reply->event = alloc_handle( current->process, process->idle_event,
1135 EVENT_ALL_ACCESS, 0 );
1136 release_object( process );