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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
31 #ifdef HAVE_SYS_SOCKET_H
32 # include <sys/socket.h>
45 /* process structure */
47 static struct process *first_process;
48 static int running_processes;
50 /* process operations */
52 static void process_dump( struct object *obj, int verbose );
53 static int process_signaled( struct object *obj, struct thread *thread );
54 static void process_poll_event( struct object *obj, int event );
55 static void process_destroy( struct object *obj );
57 static const struct object_ops process_ops =
59 sizeof(struct process), /* size */
60 process_dump, /* dump */
61 add_queue, /* add_queue */
62 remove_queue, /* remove_queue */
63 process_signaled, /* signaled */
64 no_satisfied, /* satisfied */
65 NULL, /* get_poll_events */
66 process_poll_event, /* poll_event */
67 no_get_fd, /* get_fd */
69 no_get_file_info, /* get_file_info */
70 NULL, /* queue_async */
71 process_destroy /* destroy */
74 /* process startup info */
78 struct object obj; /* object header */
79 int inherit_all; /* inherit all handles from parent */
80 int use_handles; /* use stdio handles */
81 int create_flags; /* creation flags */
82 handle_t hstdin; /* handle for stdin */
83 handle_t hstdout; /* handle for stdout */
84 handle_t hstderr; /* handle for stderr */
85 struct file *exe_file; /* file handle for main exe */
86 struct thread *owner; /* owner thread (the one that created the new process) */
87 struct process *process; /* created process */
88 struct thread *thread; /* created thread */
89 size_t data_size; /* size of startup data */
90 startup_info_t *data; /* data for startup info */
93 static void startup_info_dump( struct object *obj, int verbose );
94 static int startup_info_signaled( struct object *obj, struct thread *thread );
95 static void startup_info_destroy( struct object *obj );
97 static const struct object_ops startup_info_ops =
99 sizeof(struct startup_info), /* size */
100 startup_info_dump, /* dump */
101 add_queue, /* add_queue */
102 remove_queue, /* remove_queue */
103 startup_info_signaled, /* signaled */
104 no_satisfied, /* satisfied */
105 NULL, /* get_poll_events */
106 NULL, /* poll_event */
107 no_get_fd, /* get_fd */
108 no_flush, /* flush */
109 no_get_file_info, /* get_file_info */
110 NULL, /* queue_async */
111 startup_info_destroy /* destroy */
115 /* set the console and stdio handles for a newly created process */
116 static int set_process_console( struct process *process, struct thread *parent_thread,
117 struct startup_info *info, struct init_process_reply *reply )
119 if (process->create_flags & CREATE_NEW_CONSOLE)
121 /* let the process init do the allocation */
124 else if (parent_thread && !(process->create_flags & DETACHED_PROCESS))
126 /* FIXME: some better error checking should be done...
127 * like if hConOut and hConIn are console handles, then they should be on the same
130 inherit_console( parent_thread, process,
131 (info->inherit_all || info->use_handles) ? info->hstdin : 0 );
135 if (!info->inherit_all && !info->use_handles)
137 /* duplicate the handle from the parent into this process */
138 reply->hstdin = duplicate_handle( parent_thread->process, info->hstdin, process,
139 0, TRUE, DUPLICATE_SAME_ACCESS );
140 reply->hstdout = duplicate_handle( parent_thread->process, info->hstdout, process,
141 0, TRUE, DUPLICATE_SAME_ACCESS );
142 reply->hstderr = duplicate_handle( parent_thread->process, info->hstderr, process,
143 0, TRUE, DUPLICATE_SAME_ACCESS );
147 reply->hstdin = info->hstdin;
148 reply->hstdout = info->hstdout;
149 reply->hstderr = info->hstderr;
154 if (process->console)
156 reply->hstdin = alloc_handle( process, process->console,
157 GENERIC_READ | GENERIC_WRITE | SYNCHRONIZE, 1 );
158 reply->hstdout = alloc_handle( process, process->console->active,
159 GENERIC_READ | GENERIC_WRITE, 1 );
160 reply->hstderr = alloc_handle( process, process->console->active,
161 GENERIC_READ | GENERIC_WRITE, 1 );
165 /* no parent, let the caller decide what to do */
166 reply->hstdin = reply->hstdout = reply->hstderr = 0;
169 /* some handles above may have been invalid; this is not an error */
170 if (get_error() == STATUS_INVALID_HANDLE) clear_error();
174 /* create a new process and its main thread */
175 struct thread *create_process( int fd )
177 struct process *process;
178 struct thread *thread = NULL;
181 if (!(process = alloc_object( &process_ops, fd ))) return NULL;
182 process->next = NULL;
183 process->prev = NULL;
184 process->parent = NULL;
185 process->thread_list = NULL;
186 process->debugger = NULL;
187 process->handles = NULL;
188 process->exit_code = STILL_ACTIVE;
189 process->running_threads = 0;
190 process->priority = NORMAL_PRIORITY_CLASS;
191 process->affinity = 1;
192 process->suspend = 0;
193 process->create_flags = 0;
194 process->console = NULL;
195 process->init_event = NULL;
196 process->idle_event = NULL;
197 process->queue = NULL;
198 process->atom_table = NULL;
199 process->ldt_copy = NULL;
200 process->exe.next = NULL;
201 process->exe.prev = NULL;
202 process->exe.file = NULL;
203 process->exe.dbg_offset = 0;
204 process->exe.dbg_size = 0;
205 process->exe.namelen = 0;
206 process->exe.filename = NULL;
208 gettimeofday( &process->start_time, NULL );
209 if ((process->next = first_process) != NULL) process->next->prev = process;
210 first_process = process;
212 /* create the init done event */
213 if (!(process->init_event = create_event( NULL, 0, 1, 0 ))) goto error;
215 /* create the main thread */
216 if (pipe( request_pipe ) == -1)
221 send_client_fd( process, request_pipe[1], 0 );
222 close( request_pipe[1] );
223 if (!(thread = create_thread( request_pipe[0], process ))) goto error;
225 set_select_events( &process->obj, POLLIN ); /* start listening to events */
226 release_object( process );
230 if (thread) release_object( thread );
231 release_object( process );
235 /* initialize the current process and fill in the request */
236 static struct startup_info *init_process( int ppid, struct init_process_reply *reply )
238 struct process *process = current->process;
239 struct thread *parent_thread = get_thread_from_pid( ppid );
240 struct process *parent = NULL;
241 struct startup_info *info = NULL;
245 parent = parent_thread->process;
246 info = parent_thread->info;
249 fatal_protocol_error( current, "init_process: parent but no info\n" );
254 fatal_protocol_error( current, "init_process: called twice?\n" );
257 process->parent = (struct process *)grab_object( parent );
260 /* set the process flags */
261 process->create_flags = info ? info->create_flags : 0;
263 /* create the handle table */
264 if (parent && info->inherit_all)
265 process->handles = copy_handle_table( process, parent );
267 process->handles = alloc_handle_table( process, 0 );
268 if (!process->handles) return NULL;
270 /* retrieve the main exe file */
272 if (parent && info->exe_file)
274 process->exe.file = (struct file *)grab_object( info->exe_file );
275 if (!(reply->exe_file = alloc_handle( process, process->exe.file, GENERIC_READ, 0 )))
279 /* set the process console */
280 if (!set_process_console( process, parent_thread, info, reply )) return NULL;
284 /* attach to the debugger if requested */
285 if (process->create_flags & (DEBUG_PROCESS | DEBUG_ONLY_THIS_PROCESS))
286 set_process_debugger( process, parent_thread );
287 else if (parent && parent->debugger && !(parent->create_flags & DEBUG_ONLY_THIS_PROCESS))
288 set_process_debugger( process, parent->debugger );
291 /* thread will be actually suspended in init_done */
292 if (process->create_flags & CREATE_SUSPENDED) current->suspend++;
296 reply->info_size = info->data_size;
297 info->process = (struct process *)grab_object( process );
298 info->thread = (struct thread *)grab_object( current );
299 wake_up( &info->obj, 0 );
301 reply->create_flags = process->create_flags;
302 reply->server_start = server_start_ticks;
303 return info ? (struct startup_info *)grab_object( info ) : NULL;
306 /* destroy a process when its refcount is 0 */
307 static void process_destroy( struct object *obj )
309 struct process *process = (struct process *)obj;
310 assert( obj->ops == &process_ops );
312 /* we can't have a thread remaining */
313 assert( !process->thread_list );
314 if (process->console) release_object( process->console );
315 if (process->parent) release_object( process->parent );
316 if (process->next) process->next->prev = process->prev;
317 if (process->prev) process->prev->next = process->next;
318 else first_process = process->next;
319 if (process->init_event) release_object( process->init_event );
320 if (process->idle_event) release_object( process->idle_event );
321 if (process->queue) release_object( process->queue );
322 if (process->atom_table) release_object( process->atom_table );
323 if (process->exe.file) release_object( process->exe.file );
324 if (process->exe.filename) free( process->exe.filename );
327 /* dump a process on stdout for debugging purposes */
328 static void process_dump( struct object *obj, int verbose )
330 struct process *process = (struct process *)obj;
331 assert( obj->ops == &process_ops );
333 fprintf( stderr, "Process next=%p prev=%p handles=%p\n",
334 process->next, process->prev, process->handles );
337 static int process_signaled( struct object *obj, struct thread *thread )
339 struct process *process = (struct process *)obj;
340 return !process->running_threads;
344 static void process_poll_event( struct object *obj, int event )
346 struct process *process = (struct process *)obj;
347 assert( obj->ops == &process_ops );
349 if (event & (POLLERR | POLLHUP)) set_select_events( obj, -1 );
350 else if (event & POLLIN) receive_fd( process );
353 static void startup_info_destroy( struct object *obj )
355 struct startup_info *info = (struct startup_info *)obj;
356 assert( obj->ops == &startup_info_ops );
357 if (info->data) free( info->data );
358 if (info->exe_file) release_object( info->exe_file );
359 if (info->process) release_object( info->process );
360 if (info->thread) release_object( info->thread );
363 info->owner->info = NULL;
364 release_object( info->owner );
368 static void startup_info_dump( struct object *obj, int verbose )
370 struct startup_info *info = (struct startup_info *)obj;
371 assert( obj->ops == &startup_info_ops );
373 fprintf( stderr, "Startup info flags=%x in=%d out=%d err=%d\n",
374 info->create_flags, info->hstdin, info->hstdout, info->hstderr );
377 static int startup_info_signaled( struct object *obj, struct thread *thread )
379 struct startup_info *info = (struct startup_info *)obj;
380 return (info->thread != NULL);
384 /* get a process from an id (and increment the refcount) */
385 struct process *get_process_from_id( void *id )
387 struct process *p = first_process;
388 while (p && (p != id)) p = p->next;
389 if (p) grab_object( p );
390 else set_error( STATUS_INVALID_PARAMETER );
394 /* get a process from a handle (and increment the refcount) */
395 struct process *get_process_from_handle( handle_t handle, unsigned int access )
397 return (struct process *)get_handle_obj( current->process, handle,
398 access, &process_ops );
401 /* add a dll to a process list */
402 static struct process_dll *process_load_dll( struct process *process, struct file *file,
403 void *base, const char *filename, size_t name_len )
405 struct process_dll *dll;
407 /* make sure we don't already have one with the same base address */
408 for (dll = process->exe.next; dll; dll = dll->next) if (dll->base == base)
410 set_error( STATUS_INVALID_PARAMETER );
414 if ((dll = mem_alloc( sizeof(*dll) )))
416 dll->prev = &process->exe;
419 dll->filename = NULL;
420 dll->namelen = name_len;
421 if (name_len && !(dll->filename = memdup( filename, name_len )))
426 if (file) dll->file = (struct file *)grab_object( file );
427 if ((dll->next = process->exe.next)) dll->next->prev = dll;
428 process->exe.next = dll;
433 /* remove a dll from a process list */
434 static void process_unload_dll( struct process *process, void *base )
436 struct process_dll *dll;
438 for (dll = process->exe.next; dll; dll = dll->next)
440 if (dll->base == base)
442 if (dll->file) release_object( dll->file );
443 if (dll->next) dll->next->prev = dll->prev;
444 if (dll->prev) dll->prev->next = dll->next;
445 if (dll->filename) free( dll->filename );
447 generate_debug_event( current, UNLOAD_DLL_DEBUG_EVENT, base );
451 set_error( STATUS_INVALID_PARAMETER );
454 /* kill all processes being attached to a console renderer */
455 void kill_console_processes( struct thread *renderer, int exit_code )
457 for (;;) /* restart from the beginning of the list every time */
459 struct process *process = first_process;
461 /* find the first process being attached to 'renderer' and still running */
463 (process == renderer->process || !process->console ||
464 process->console->renderer != renderer || !process->running_threads))
466 process = process->next;
469 kill_process( process, NULL, exit_code );
473 /* a process has been killed (i.e. its last thread died) */
474 static void process_killed( struct process *process )
476 assert( !process->thread_list );
477 gettimeofday( &process->end_time, NULL );
478 if (process->handles) release_object( process->handles );
479 process->handles = NULL;
481 /* close the console attached to this process, if any */
482 free_console( process );
484 while (process->exe.next)
486 struct process_dll *dll = process->exe.next;
487 process->exe.next = dll->next;
488 if (dll->file) release_object( dll->file );
489 if (dll->filename) free( dll->filename );
492 if (process->exe.file) release_object( process->exe.file );
493 process->exe.file = NULL;
494 wake_up( &process->obj, 0 );
495 if (!--running_processes)
497 /* last process died, close global handles */
498 close_global_handles();
499 /* this will cause the select loop to terminate */
500 close_master_socket();
504 /* add a thread to a process running threads list */
505 void add_process_thread( struct process *process, struct thread *thread )
507 thread->proc_next = process->thread_list;
508 thread->proc_prev = NULL;
509 if (thread->proc_next) thread->proc_next->proc_prev = thread;
510 process->thread_list = thread;
511 if (!process->running_threads++) running_processes++;
512 grab_object( thread );
515 /* remove a thread from a process running threads list */
516 void remove_process_thread( struct process *process, struct thread *thread )
518 assert( process->running_threads > 0 );
519 assert( process->thread_list );
521 if (thread->proc_next) thread->proc_next->proc_prev = thread->proc_prev;
522 if (thread->proc_prev) thread->proc_prev->proc_next = thread->proc_next;
523 else process->thread_list = thread->proc_next;
525 if (!--process->running_threads)
527 /* we have removed the last running thread, exit the process */
528 process->exit_code = thread->exit_code;
529 generate_debug_event( thread, EXIT_PROCESS_DEBUG_EVENT, process );
530 process_killed( process );
532 else generate_debug_event( thread, EXIT_THREAD_DEBUG_EVENT, thread );
533 release_object( thread );
536 /* suspend all the threads of a process */
537 void suspend_process( struct process *process )
539 if (!process->suspend++)
541 struct thread *thread = process->thread_list;
544 struct thread *next = thread->proc_next;
545 if (!thread->suspend) stop_thread( thread );
551 /* resume all the threads of a process */
552 void resume_process( struct process *process )
554 assert (process->suspend > 0);
555 if (!--process->suspend)
557 struct thread *thread = process->thread_list;
560 struct thread *next = thread->proc_next;
561 if (!thread->suspend) continue_thread( thread );
567 /* kill a process on the spot */
568 void kill_process( struct process *process, struct thread *skip, int exit_code )
570 struct thread *thread = process->thread_list;
574 struct thread *next = thread->proc_next;
575 thread->exit_code = exit_code;
576 if (thread != skip) kill_thread( thread, 1 );
581 /* kill all processes being debugged by a given thread */
582 void kill_debugged_processes( struct thread *debugger, int exit_code )
584 for (;;) /* restart from the beginning of the list every time */
586 struct process *process = first_process;
587 /* find the first process being debugged by 'debugger' and still running */
588 while (process && (process->debugger != debugger || !process->running_threads))
589 process = process->next;
590 if (!process) return;
591 process->debugger = NULL;
592 kill_process( process, NULL, exit_code );
597 /* detach a debugger from all its debuggees */
598 void detach_debugged_processes( struct thread *debugger )
600 struct process *process;
601 for (process = first_process; process; process = process->next)
603 if (process->debugger == debugger && process->running_threads)
605 debugger_detach( process, debugger );
611 /* get all information about a process */
612 static void get_process_info( struct process *process, struct get_process_info_reply *reply )
614 reply->pid = get_process_id( process );
615 reply->debugged = (process->debugger != 0);
616 reply->exit_code = process->exit_code;
617 reply->priority = process->priority;
618 reply->process_affinity = process->affinity;
619 reply->system_affinity = 1;
622 /* set all information about a process */
623 static void set_process_info( struct process *process,
624 const struct set_process_info_request *req )
626 if (req->mask & SET_PROCESS_INFO_PRIORITY)
627 process->priority = req->priority;
628 if (req->mask & SET_PROCESS_INFO_AFFINITY)
630 if (req->affinity != 1) set_error( STATUS_INVALID_PARAMETER );
631 else process->affinity = req->affinity;
635 /* read data from a process memory space */
636 /* len is the total size (in ints) */
637 static int read_process_memory( struct process *process, const int *addr, size_t len, int *dest )
639 struct thread *thread = process->thread_list;
641 assert( !((unsigned int)addr % sizeof(int)) ); /* address must be aligned */
643 if (!thread) /* process is dead */
645 set_error( STATUS_ACCESS_DENIED );
648 if (suspend_for_ptrace( thread ))
652 if (read_thread_int( thread, addr++, dest++ ) == -1) break;
655 resume_thread( thread );
660 /* make sure we can write to the whole address range */
661 /* len is the total size (in ints) */
662 static int check_process_write_access( struct thread *thread, int *addr, size_t len )
664 int page = get_page_size() / sizeof(int);
668 if (write_thread_int( thread, addr, 0, 0 ) == -1) return 0;
669 if (len <= page) break;
673 return (write_thread_int( thread, addr + len - 1, 0, 0 ) != -1);
676 /* write data to a process memory space */
677 /* len is the total size (in ints), max is the size we can actually read from the input buffer */
678 /* we check the total size for write permissions */
679 static void write_process_memory( struct process *process, int *addr, size_t len,
680 unsigned int first_mask, unsigned int last_mask, const int *src )
682 struct thread *thread = process->thread_list;
684 assert( !((unsigned int)addr % sizeof(int) )); /* address must be aligned */
686 if (!thread) /* process is dead */
688 set_error( STATUS_ACCESS_DENIED );
691 if (suspend_for_ptrace( thread ))
693 if (!check_process_write_access( thread, addr, len ))
695 set_error( STATUS_ACCESS_DENIED );
698 /* first word is special */
701 if (write_thread_int( thread, addr++, *src++, first_mask ) == -1) goto done;
704 else last_mask &= first_mask;
708 if (write_thread_int( thread, addr++, *src++, ~0 ) == -1) goto done;
712 /* last word is special too */
713 if (write_thread_int( thread, addr, *src, last_mask ) == -1) goto done;
716 resume_thread( thread );
720 /* take a snapshot of currently running processes */
721 struct process_snapshot *process_snap( int *count )
723 struct process_snapshot *snapshot, *ptr;
724 struct process *process;
725 if (!running_processes) return NULL;
726 if (!(snapshot = mem_alloc( sizeof(*snapshot) * running_processes )))
729 for (process = first_process; process; process = process->next)
731 if (!process->running_threads) continue;
732 ptr->process = process;
733 ptr->threads = process->running_threads;
734 ptr->count = process->obj.refcount;
735 ptr->priority = process->priority;
736 grab_object( process );
739 *count = running_processes;
743 /* take a snapshot of the modules of a process */
744 struct module_snapshot *module_snap( struct process *process, int *count )
746 struct module_snapshot *snapshot, *ptr;
747 struct process_dll *dll;
750 for (dll = &process->exe; dll; dll = dll->next) total++;
751 if (!(snapshot = mem_alloc( sizeof(*snapshot) * total ))) return NULL;
753 for (ptr = snapshot, dll = &process->exe; dll; dll = dll->next, ptr++)
755 ptr->base = dll->base;
756 ptr->size = dll->size;
757 ptr->namelen = dll->namelen;
758 ptr->filename = memdup( dll->filename, dll->namelen );
765 /* create a new process */
766 DECL_HANDLER(new_process)
768 struct startup_info *info;
772 fatal_protocol_error( current, "new_process: another process is being created\n" );
776 /* build the startup info for a new process */
777 if (!(info = alloc_object( &startup_info_ops, -1 ))) return;
778 info->inherit_all = req->inherit_all;
779 info->use_handles = req->use_handles;
780 info->create_flags = req->create_flags;
781 info->hstdin = req->hstdin;
782 info->hstdout = req->hstdout;
783 info->hstderr = req->hstderr;
784 info->exe_file = NULL;
785 info->owner = (struct thread *)grab_object( current );
786 info->process = NULL;
788 info->data_size = get_req_data_size();
792 !(info->exe_file = get_file_obj( current->process, req->exe_file, GENERIC_READ )))
795 if (!(info->data = mem_alloc( info->data_size ))) goto done;
796 memcpy( info->data, get_req_data(), info->data_size );
797 current->info = info;
798 reply->info = alloc_handle( current->process, info, SYNCHRONIZE, FALSE );
801 release_object( info );
804 /* Retrieve information about a newly started process */
805 DECL_HANDLER(get_new_process_info)
807 struct startup_info *info;
811 if ((info = (struct startup_info *)get_handle_obj( current->process, req->info,
812 0, &startup_info_ops )))
814 reply->pid = get_process_id( info->process );
815 reply->tid = get_thread_id( info->thread );
816 reply->phandle = alloc_handle( current->process, info->process,
817 PROCESS_ALL_ACCESS, req->pinherit );
818 reply->thandle = alloc_handle( current->process, info->thread,
819 THREAD_ALL_ACCESS, req->tinherit );
820 if (info->process->init_event)
821 reply->event = alloc_handle( current->process, info->process->init_event,
822 EVENT_ALL_ACCESS, 0 );
823 release_object( info );
834 /* Retrieve the new process startup info */
835 DECL_HANDLER(get_startup_info)
837 struct startup_info *info;
839 if ((info = (struct startup_info *)get_handle_obj( current->process, req->info,
840 0, &startup_info_ops )))
842 size_t size = info->data_size;
843 if (size > get_reply_max_size()) size = get_reply_max_size();
846 set_reply_data_ptr( info->data, size );
848 close_handle( current->process, req->info, NULL );
850 else set_reply_data( info->data, size );
851 release_object( info );
856 /* initialize a new process */
857 DECL_HANDLER(init_process)
859 struct startup_info *info;
862 reply->info_size = 0;
863 if (!current->unix_pid)
865 fatal_protocol_error( current, "init_process: init_thread not called yet\n" );
868 current->process->ldt_copy = req->ldt_copy;
869 if ((info = init_process( req->ppid, reply )))
871 reply->info = alloc_handle( current->process, info, 0, FALSE );
872 release_object( info );
876 /* signal the end of the process initialization */
877 DECL_HANDLER(init_process_done)
879 struct file *file = NULL;
880 struct process *process = current->process;
882 if (!process->init_event)
884 fatal_protocol_error( current, "init_process_done: no event\n" );
887 process->exe.base = req->module;
888 process->exe.size = req->module_size;
889 process->exe.name = req->name;
891 if (req->exe_file) file = get_file_obj( current->process, req->exe_file, GENERIC_READ );
892 if (process->exe.file) release_object( process->exe.file );
893 process->exe.file = file;
895 if ((process->exe.namelen = get_req_data_size()))
896 process->exe.filename = memdup( get_req_data(), process->exe.namelen );
898 generate_startup_debug_events( current->process, req->entry );
899 set_event( process->init_event );
900 release_object( process->init_event );
901 process->init_event = NULL;
902 if (req->gui) process->idle_event = create_event( NULL, 0, 1, 0 );
903 if (current->suspend + current->process->suspend > 0) stop_thread( current );
904 reply->debugged = (current->process->debugger != 0);
907 /* open a handle to a process */
908 DECL_HANDLER(open_process)
910 struct process *process = get_process_from_id( req->pid );
914 reply->handle = alloc_handle( current->process, process, req->access, req->inherit );
915 release_object( process );
919 /* terminate a process */
920 DECL_HANDLER(terminate_process)
922 struct process *process;
924 if ((process = get_process_from_handle( req->handle, PROCESS_TERMINATE )))
926 reply->self = (current->process == process);
927 kill_process( process, current, req->exit_code );
928 release_object( process );
932 /* fetch information about a process */
933 DECL_HANDLER(get_process_info)
935 struct process *process;
937 if ((process = get_process_from_handle( req->handle, PROCESS_QUERY_INFORMATION )))
939 get_process_info( process, reply );
940 release_object( process );
944 /* set information about a process */
945 DECL_HANDLER(set_process_info)
947 struct process *process;
949 if ((process = get_process_from_handle( req->handle, PROCESS_SET_INFORMATION )))
951 set_process_info( process, req );
952 release_object( process );
956 /* read data from a process address space */
957 DECL_HANDLER(read_process_memory)
959 struct process *process;
960 size_t len = get_reply_max_size();
962 if (!(process = get_process_from_handle( req->handle, PROCESS_VM_READ ))) return;
966 unsigned int start_offset = (unsigned int)req->addr % sizeof(int);
967 unsigned int nb_ints = (len + start_offset + sizeof(int) - 1) / sizeof(int);
968 const int *start = (int *)((char *)req->addr - start_offset);
969 int *buffer = mem_alloc( nb_ints * sizeof(int) );
972 if (read_process_memory( process, start, nb_ints, buffer ))
974 /* move start of requested data to start of buffer */
975 if (start_offset) memmove( buffer, (char *)buffer + start_offset, len );
976 set_reply_data_ptr( buffer, len );
981 release_object( process );
984 /* write data to a process address space */
985 DECL_HANDLER(write_process_memory)
987 struct process *process;
989 if ((process = get_process_from_handle( req->handle, PROCESS_VM_WRITE )))
991 size_t len = get_req_data_size();
992 if ((len % sizeof(int)) || ((unsigned int)req->addr % sizeof(int)))
993 set_error( STATUS_INVALID_PARAMETER );
996 if (len) write_process_memory( process, req->addr, len / sizeof(int),
997 req->first_mask, req->last_mask, get_req_data() );
999 release_object( process );
1003 /* notify the server that a dll has been loaded */
1004 DECL_HANDLER(load_dll)
1006 struct process_dll *dll;
1007 struct file *file = NULL;
1010 !(file = get_file_obj( current->process, req->handle, GENERIC_READ ))) return;
1012 if ((dll = process_load_dll( current->process, file, req->base,
1013 get_req_data(), get_req_data_size() )))
1015 dll->size = req->size;
1016 dll->dbg_offset = req->dbg_offset;
1017 dll->dbg_size = req->dbg_size;
1018 dll->name = req->name;
1019 /* only generate event if initialization is done */
1020 if (!current->process->init_event)
1021 generate_debug_event( current, LOAD_DLL_DEBUG_EVENT, dll );
1023 if (file) release_object( file );
1026 /* notify the server that a dll is being unloaded */
1027 DECL_HANDLER(unload_dll)
1029 process_unload_dll( current->process, req->base );
1032 /* wait for a process to start waiting on input */
1033 /* FIXME: only returns event for now, wait is done in the client */
1034 DECL_HANDLER(wait_input_idle)
1036 struct process *process;
1039 if ((process = get_process_from_handle( req->handle, PROCESS_QUERY_INFORMATION )))
1041 if (process->idle_event && process != current->process && process->queue != current->queue)
1042 reply->event = alloc_handle( current->process, process->idle_event,
1043 EVENT_ALL_ACCESS, 0 );
1044 release_object( process );