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
22 #include "wine/port.h"
32 #ifdef HAVE_SYS_SOCKET_H
33 # include <sys/socket.h>
41 #define WIN32_NO_STATUS
53 /* process structure */
55 static struct list process_list = LIST_INIT(process_list);
56 static int running_processes;
58 /* process operations */
60 static void process_dump( struct object *obj, int verbose );
61 static int process_signaled( struct object *obj, struct thread *thread );
62 static unsigned int process_map_access( struct object *obj, unsigned int access );
63 static void process_poll_event( struct fd *fd, int event );
64 static void process_destroy( struct object *obj );
66 static const struct object_ops process_ops =
68 sizeof(struct process), /* size */
69 process_dump, /* dump */
70 add_queue, /* add_queue */
71 remove_queue, /* remove_queue */
72 process_signaled, /* signaled */
73 no_satisfied, /* satisfied */
74 no_signal, /* signal */
75 no_get_fd, /* get_fd */
76 process_map_access, /* map_access */
77 no_lookup_name, /* lookup_name */
78 no_close_handle, /* close_handle */
79 process_destroy /* destroy */
82 static const struct fd_ops process_fd_ops =
84 NULL, /* get_poll_events */
85 process_poll_event, /* poll_event */
87 no_get_file_info, /* get_file_info */
88 no_queue_async, /* queue_async */
89 no_cancel_async /* cancel async */
92 /* process startup info */
96 struct object obj; /* object header */
97 struct list entry; /* entry in list of startup infos */
98 int inherit_all; /* inherit all handles from parent */
99 unsigned int create_flags; /* creation flags */
100 int unix_pid; /* Unix pid of new process */
101 obj_handle_t hstdin; /* handle for stdin */
102 obj_handle_t hstdout; /* handle for stdout */
103 obj_handle_t hstderr; /* handle for stderr */
104 struct file *exe_file; /* file handle for main exe */
105 struct thread *owner; /* owner thread (the one that created the new process) */
106 struct process *process; /* created process */
107 struct thread *thread; /* created thread */
108 size_t data_size; /* size of startup data */
109 void *data; /* data for startup info */
112 static void startup_info_dump( struct object *obj, int verbose );
113 static int startup_info_signaled( struct object *obj, struct thread *thread );
114 static void startup_info_destroy( struct object *obj );
116 static const struct object_ops startup_info_ops =
118 sizeof(struct startup_info), /* size */
119 startup_info_dump, /* dump */
120 add_queue, /* add_queue */
121 remove_queue, /* remove_queue */
122 startup_info_signaled, /* signaled */
123 no_satisfied, /* satisfied */
124 no_signal, /* signal */
125 no_get_fd, /* get_fd */
126 no_map_access, /* map_access */
127 no_lookup_name, /* lookup_name */
128 no_close_handle, /* close_handle */
129 startup_info_destroy /* destroy */
133 static struct list startup_info_list = LIST_INIT(startup_info_list);
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 /* create a new process and its main thread */
229 struct thread *create_process( int fd )
231 struct process *process;
232 struct thread *thread = NULL;
235 if (!(process = alloc_object( &process_ops ))) goto error;
236 process->parent = NULL;
237 process->debugger = NULL;
238 process->handles = NULL;
239 process->msg_fd = NULL;
240 process->exit_code = STILL_ACTIVE;
241 process->running_threads = 0;
242 process->priority = PROCESS_PRIOCLASS_NORMAL;
243 process->affinity = 1;
244 process->suspend = 0;
245 process->create_flags = 0;
246 process->console = NULL;
247 process->startup_state = STARTUP_IN_PROGRESS;
248 process->startup_info = NULL;
249 process->idle_event = NULL;
250 process->queue = NULL;
252 process->ldt_copy = NULL;
253 process->winstation = 0;
254 process->desktop = 0;
255 process->exe.file = NULL;
256 process->exe.dbg_offset = 0;
257 process->exe.dbg_size = 0;
258 process->exe.namelen = 0;
259 process->exe.filename = NULL;
260 process->token = token_create_admin();
261 list_init( &process->thread_list );
262 list_init( &process->locks );
263 list_init( &process->classes );
264 list_init( &process->dlls );
266 gettimeofday( &process->start_time, NULL );
267 list_add_head( &process_list, &process->entry );
269 if (!(process->id = process->group_id = alloc_ptid( process ))) goto error;
270 if (!(process->msg_fd = create_anonymous_fd( &process_fd_ops, fd, &process->obj ))) goto error;
272 /* create the main thread */
273 if (pipe( request_pipe ) == -1)
278 if (send_client_fd( process, request_pipe[1], 0 ) == -1)
280 close( request_pipe[0] );
281 close( request_pipe[1] );
284 close( request_pipe[1] );
285 if (!(thread = create_thread( request_pipe[0], process ))) goto error;
287 set_fd_events( process->msg_fd, POLLIN ); /* start listening to events */
288 release_object( process );
292 if (process) release_object( process );
293 /* if we failed to start our first process, close everything down */
294 if (!running_processes) close_master_socket();
298 /* find the startup info for a given Unix process */
299 inline static struct startup_info *find_startup_info( int unix_pid )
303 LIST_FOR_EACH( ptr, &startup_info_list )
305 struct startup_info *info = LIST_ENTRY( ptr, struct startup_info, entry );
306 if (info->unix_pid == unix_pid) return info;
311 /* initialize the current process and fill in the request */
312 size_t init_process( struct thread *thread )
314 struct process *process = thread->process;
315 struct thread *parent_thread = NULL;
316 struct process *parent = NULL;
317 struct startup_info *info;
319 if (process->startup_info) return process->startup_info->data_size; /* already initialized */
321 if ((info = find_startup_info( thread->unix_pid )))
323 if (info->thread) return info->data_size; /* already initialized */
325 info->thread = (struct thread *)grab_object( thread );
326 info->process = (struct process *)grab_object( process );
327 process->startup_info = (struct startup_info *)grab_object( info );
329 parent_thread = info->owner;
330 parent = parent_thread->process;
331 process->parent = (struct process *)grab_object( parent );
333 /* set the process flags */
334 process->create_flags = info->create_flags;
336 if (info->inherit_all) process->handles = copy_handle_table( process, parent );
339 /* create the handle table */
340 if (!process->handles) process->handles = alloc_handle_table( process, 0 );
341 if (!process->handles)
343 fatal_protocol_error( thread, "Failed to allocate handle table\n" );
347 /* connect to the window station and desktop */
348 connect_process_winstation( process, NULL );
349 connect_process_desktop( process, NULL );
350 thread->desktop = process->desktop;
354 /* retrieve the main exe file */
355 if (info->exe_file) process->exe.file = (struct file *)grab_object( info->exe_file );
357 /* thread will be actually suspended in init_done */
358 if (info->create_flags & CREATE_SUSPENDED) thread->suspend++;
360 /* set the process console */
361 if (!(info->create_flags & (DETACHED_PROCESS | CREATE_NEW_CONSOLE)))
363 /* FIXME: some better error checking should be done...
364 * like if hConOut and hConIn are console handles, then they should be on the same
367 inherit_console( parent_thread, process, info->inherit_all ? info->hstdin : 0 );
370 /* attach to the debugger if requested */
371 if (process->create_flags & (DEBUG_PROCESS | DEBUG_ONLY_THIS_PROCESS))
372 set_process_debugger( process, parent_thread );
373 else if (parent->debugger && !(parent->create_flags & DEBUG_ONLY_THIS_PROCESS))
374 set_process_debugger( process, parent->debugger );
376 if (!(process->create_flags & CREATE_NEW_PROCESS_GROUP))
377 process->group_id = parent->group_id;
379 return info->data_size;
382 /* destroy a process when its refcount is 0 */
383 static void process_destroy( struct object *obj )
385 struct process *process = (struct process *)obj;
386 assert( obj->ops == &process_ops );
388 /* we can't have a thread remaining */
389 assert( list_empty( &process->thread_list ));
391 set_process_startup_state( process, STARTUP_ABORTED );
392 if (process->console) release_object( process->console );
393 if (process->parent) release_object( process->parent );
394 if (process->msg_fd) release_object( process->msg_fd );
395 list_remove( &process->entry );
396 if (process->idle_event) release_object( process->idle_event );
397 if (process->queue) release_object( process->queue );
398 if (process->exe.file) release_object( process->exe.file );
399 if (process->exe.filename) free( process->exe.filename );
400 if (process->id) free_ptid( process->id );
401 if (process->token) release_object( process->token );
404 /* dump a process on stdout for debugging purposes */
405 static void process_dump( struct object *obj, int verbose )
407 struct process *process = (struct process *)obj;
408 assert( obj->ops == &process_ops );
410 fprintf( stderr, "Process id=%04x handles=%p\n", process->id, process->handles );
413 static int process_signaled( struct object *obj, struct thread *thread )
415 struct process *process = (struct process *)obj;
416 return !process->running_threads;
419 static unsigned int process_map_access( struct object *obj, unsigned int access )
421 if (access & GENERIC_READ) access |= STANDARD_RIGHTS_READ | SYNCHRONIZE;
422 if (access & GENERIC_WRITE) access |= STANDARD_RIGHTS_WRITE | SYNCHRONIZE;
423 if (access & GENERIC_EXECUTE) access |= STANDARD_RIGHTS_EXECUTE;
424 if (access & GENERIC_ALL) access |= PROCESS_ALL_ACCESS;
425 return access & ~(GENERIC_READ | GENERIC_WRITE | GENERIC_EXECUTE | GENERIC_ALL);
428 static void process_poll_event( struct fd *fd, int event )
430 struct process *process = get_fd_user( fd );
431 assert( process->obj.ops == &process_ops );
433 if (event & (POLLERR | POLLHUP)) set_fd_events( fd, -1 );
434 else if (event & POLLIN) receive_fd( process );
437 static void startup_info_destroy( struct object *obj )
439 struct startup_info *info = (struct startup_info *)obj;
440 assert( obj->ops == &startup_info_ops );
441 list_remove( &info->entry );
442 if (info->data) free( info->data );
443 if (info->exe_file) release_object( info->exe_file );
444 if (info->process) release_object( info->process );
445 if (info->thread) release_object( info->thread );
446 if (info->owner) release_object( info->owner );
449 static void startup_info_dump( struct object *obj, int verbose )
451 struct startup_info *info = (struct startup_info *)obj;
452 assert( obj->ops == &startup_info_ops );
454 fprintf( stderr, "Startup info flags=%x in=%p out=%p err=%p\n",
455 info->create_flags, info->hstdin, info->hstdout, info->hstderr );
458 static int startup_info_signaled( struct object *obj, struct thread *thread )
460 struct startup_info *info = (struct startup_info *)obj;
461 return info->process && is_process_init_done(info->process);
464 /* get a process from an id (and increment the refcount) */
465 struct process *get_process_from_id( process_id_t id )
467 struct object *obj = get_ptid_entry( id );
469 if (obj && obj->ops == &process_ops) return (struct process *)grab_object( obj );
470 set_error( STATUS_INVALID_PARAMETER );
474 /* get a process from a handle (and increment the refcount) */
475 struct process *get_process_from_handle( obj_handle_t handle, unsigned int access )
477 return (struct process *)get_handle_obj( current->process, handle,
478 access, &process_ops );
481 /* find a dll from its base address */
482 static inline struct process_dll *find_process_dll( struct process *process, void *base )
484 struct process_dll *dll;
486 if (process->exe.base == base) return &process->exe;
488 LIST_FOR_EACH_ENTRY( dll, &process->dlls, struct process_dll, entry )
490 if (dll->base == base) return dll;
495 /* add a dll to a process list */
496 static struct process_dll *process_load_dll( struct process *process, struct file *file,
497 void *base, const WCHAR *filename, size_t name_len )
499 struct process_dll *dll;
501 /* make sure we don't already have one with the same base address */
502 if (find_process_dll( process, base ))
504 set_error( STATUS_INVALID_PARAMETER );
508 if ((dll = mem_alloc( sizeof(*dll) )))
512 dll->filename = NULL;
513 dll->namelen = name_len;
514 if (name_len && !(dll->filename = memdup( filename, name_len )))
519 if (file) dll->file = (struct file *)grab_object( file );
520 list_add_head( &process->dlls, &dll->entry );
525 /* remove a dll from a process list */
526 static void process_unload_dll( struct process *process, void *base )
528 struct process_dll *dll = find_process_dll( process, base );
530 if (dll && dll != &process->exe)
532 if (dll->file) release_object( dll->file );
533 if (dll->filename) free( dll->filename );
534 list_remove( &dll->entry );
536 generate_debug_event( current, UNLOAD_DLL_DEBUG_EVENT, base );
538 else set_error( STATUS_INVALID_PARAMETER );
541 /* kill all processes */
542 void kill_all_processes( struct process *skip, int exit_code )
546 struct process *process;
548 LIST_FOR_EACH_ENTRY( process, &process_list, struct process, entry )
550 if (process == skip) continue;
551 if (process->running_threads) break;
553 if (&process->entry == &process_list) break; /* no process found */
554 kill_process( process, NULL, exit_code );
558 /* kill all processes being attached to a console renderer */
559 void kill_console_processes( struct thread *renderer, int exit_code )
561 for (;;) /* restart from the beginning of the list every time */
563 struct process *process;
565 /* find the first process being attached to 'renderer' and still running */
566 LIST_FOR_EACH_ENTRY( process, &process_list, struct process, entry )
568 if (process == renderer->process) continue;
569 if (!process->running_threads) continue;
570 if (process->console && process->console->renderer == renderer) break;
572 if (&process->entry == &process_list) break; /* no process found */
573 kill_process( process, NULL, exit_code );
577 /* a process has been killed (i.e. its last thread died) */
578 static void process_killed( struct process *process )
580 struct handle_table *handles;
583 assert( list_empty( &process->thread_list ));
584 gettimeofday( &process->end_time, NULL );
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 if (dll->filename) 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 if (process->exe.file) release_object( process->exe.file );
604 process->exe.file = NULL;
605 wake_up( &process->obj, 0 );
606 if (!--running_processes) close_master_socket();
609 /* add a thread to a process running threads list */
610 void add_process_thread( struct process *process, struct thread *thread )
612 list_add_head( &process->thread_list, &thread->proc_entry );
613 if (!process->running_threads++) running_processes++;
614 grab_object( thread );
617 /* remove a thread from a process running threads list */
618 void remove_process_thread( struct process *process, struct thread *thread )
620 assert( process->running_threads > 0 );
621 assert( !list_empty( &process->thread_list ));
623 list_remove( &thread->proc_entry );
625 if (!--process->running_threads)
627 /* we have removed the last running thread, exit the process */
628 process->exit_code = thread->exit_code;
629 generate_debug_event( thread, EXIT_PROCESS_DEBUG_EVENT, process );
630 process_killed( process );
632 else generate_debug_event( thread, EXIT_THREAD_DEBUG_EVENT, thread );
633 release_object( thread );
636 /* suspend all the threads of a process */
637 void suspend_process( struct process *process )
639 if (!process->suspend++)
641 struct list *ptr, *next;
643 LIST_FOR_EACH_SAFE( ptr, next, &process->thread_list )
645 struct thread *thread = LIST_ENTRY( ptr, struct thread, proc_entry );
646 if (!thread->suspend) stop_thread( thread );
651 /* resume all the threads of a process */
652 void resume_process( struct process *process )
654 assert (process->suspend > 0);
655 if (!--process->suspend)
657 struct list *ptr, *next;
659 LIST_FOR_EACH_SAFE( ptr, next, &process->thread_list )
661 struct thread *thread = LIST_ENTRY( ptr, struct thread, proc_entry );
662 if (!thread->suspend) wake_thread( thread );
667 /* kill a process on the spot */
668 void kill_process( struct process *process, struct thread *skip, int exit_code )
670 struct list *ptr, *next;
672 LIST_FOR_EACH_SAFE( ptr, next, &process->thread_list )
674 struct thread *thread = LIST_ENTRY( ptr, struct thread, proc_entry );
676 thread->exit_code = exit_code;
677 if (thread != skip) kill_thread( thread, 1 );
681 /* kill all processes being debugged by a given thread */
682 void kill_debugged_processes( struct thread *debugger, int exit_code )
684 for (;;) /* restart from the beginning of the list every time */
686 struct process *process;
688 /* find the first process being debugged by 'debugger' and still running */
689 LIST_FOR_EACH_ENTRY( process, &process_list, struct process, entry )
691 if (!process->running_threads) continue;
692 if (process->debugger == debugger) break;
694 if (&process->entry == &process_list) break; /* no process found */
695 process->debugger = NULL;
696 kill_process( process, NULL, exit_code );
701 /* detach a debugger from all its debuggees */
702 void detach_debugged_processes( struct thread *debugger )
704 struct process *process;
706 LIST_FOR_EACH_ENTRY( process, &process_list, struct process, entry )
708 if (process->debugger == debugger && process->running_threads)
710 debugger_detach( process, debugger );
716 void enum_processes( int (*cb)(struct process*, void*), void *user )
718 struct list *ptr, *next;
720 LIST_FOR_EACH_SAFE( ptr, next, &process_list )
722 struct process *process = LIST_ENTRY( ptr, struct process, entry );
723 if ((cb)(process, user)) break;
728 /* read data from a process memory space */
729 /* len is the total size (in ints) */
730 static int read_process_memory( struct process *process, const int *addr, size_t len, int *dest )
732 struct thread *thread = get_process_first_thread( process );
734 assert( !((unsigned int)addr % sizeof(int)) ); /* address must be aligned */
736 if (!thread) /* process is dead */
738 set_error( STATUS_ACCESS_DENIED );
741 if (suspend_for_ptrace( thread ))
745 if (read_thread_int( thread, addr++, dest++ ) == -1) break;
748 resume_after_ptrace( thread );
753 /* make sure we can write to the whole address range */
754 /* len is the total size (in ints) */
755 static int check_process_write_access( struct thread *thread, int *addr, size_t len )
757 int page = get_page_size() / sizeof(int);
761 if (write_thread_int( thread, addr, 0, 0 ) == -1) return 0;
762 if (len <= page) break;
766 return (write_thread_int( thread, addr + len - 1, 0, 0 ) != -1);
769 /* write data to a process memory space */
770 /* len is the total size (in ints), max is the size we can actually read from the input buffer */
771 /* we check the total size for write permissions */
772 static int write_process_memory( struct process *process, int *addr, size_t len,
773 unsigned int first_mask, unsigned int last_mask, const int *src )
775 struct thread *thread = get_process_first_thread( process );
778 assert( !((unsigned int)addr % sizeof(int) )); /* address must be aligned */
780 if (!thread) /* process is dead */
782 set_error( STATUS_ACCESS_DENIED );
785 if (suspend_for_ptrace( thread ))
787 if (!check_process_write_access( thread, addr, len ))
789 set_error( STATUS_ACCESS_DENIED );
792 /* first word is special */
795 if (write_thread_int( thread, addr++, *src++, first_mask ) == -1) goto done;
798 else last_mask &= first_mask;
802 if (write_thread_int( thread, addr++, *src++, ~0 ) == -1) goto done;
806 /* last word is special too */
807 if (write_thread_int( thread, addr, *src, last_mask ) == -1) goto done;
811 resume_after_ptrace( thread );
816 /* set the debugged flag in the process PEB */
817 int set_process_debug_flag( struct process *process, int flag )
819 int mask = 0, data = 0;
821 /* BeingDebugged flag is the byte at offset 2 in the PEB */
822 memset( (char *)&mask + 2, 0xff, 1 );
823 memset( (char *)&data + 2, flag, 1 );
824 return write_process_memory( process, process->peb, 1, mask, mask, &data );
827 /* take a snapshot of currently running processes */
828 struct process_snapshot *process_snap( int *count )
830 struct process_snapshot *snapshot, *ptr;
831 struct process *process;
832 if (!running_processes) return NULL;
833 if (!(snapshot = mem_alloc( sizeof(*snapshot) * running_processes )))
836 LIST_FOR_EACH_ENTRY( process, &process_list, struct process, entry )
838 if (!process->running_threads) continue;
839 ptr->process = process;
840 ptr->threads = process->running_threads;
841 ptr->count = process->obj.refcount;
842 ptr->priority = process->priority;
843 ptr->handles = get_handle_table_count(process);
844 grab_object( process );
847 *count = running_processes;
851 /* take a snapshot of the modules of a process */
852 struct module_snapshot *module_snap( struct process *process, int *count )
854 struct module_snapshot *snapshot, *ptr;
855 struct process_dll *dll;
858 LIST_FOR_EACH_ENTRY( dll, &process->dlls, struct process_dll, entry ) total++;
859 if (!(snapshot = mem_alloc( sizeof(*snapshot) * total ))) return NULL;
861 /* first entry is main exe */
862 snapshot->base = process->exe.base;
863 snapshot->size = process->exe.size;
864 snapshot->namelen = process->exe.namelen;
865 snapshot->filename = memdup( process->exe.filename, process->exe.namelen );
868 LIST_FOR_EACH_ENTRY( dll, &process->dlls, struct process_dll, entry )
870 ptr->base = dll->base;
871 ptr->size = dll->size;
872 ptr->namelen = dll->namelen;
873 ptr->filename = memdup( dll->filename, dll->namelen );
881 /* create a new process */
882 DECL_HANDLER(new_process)
884 struct startup_info *info;
886 /* build the startup info for a new process */
887 if (!(info = alloc_object( &startup_info_ops ))) return;
888 list_add_head( &startup_info_list, &info->entry );
889 info->inherit_all = req->inherit_all;
890 info->create_flags = req->create_flags;
891 info->unix_pid = req->unix_pid;
892 info->hstdin = req->hstdin;
893 info->hstdout = req->hstdout;
894 info->hstderr = req->hstderr;
895 info->exe_file = NULL;
896 info->owner = (struct thread *)grab_object( current );
897 info->process = NULL;
899 info->data_size = get_req_data_size();
903 !(info->exe_file = get_file_obj( current->process, req->exe_file, FILE_READ_DATA )))
906 if (!(info->data = memdup( get_req_data(), info->data_size ))) goto done;
907 reply->info = alloc_handle( current->process, info, SYNCHRONIZE, 0 );
910 release_object( info );
913 /* Retrieve information about a newly started process */
914 DECL_HANDLER(get_new_process_info)
916 struct startup_info *info;
918 if ((info = (struct startup_info *)get_handle_obj( current->process, req->info,
919 0, &startup_info_ops )))
921 reply->pid = get_process_id( info->process );
922 reply->tid = get_thread_id( info->thread );
923 reply->phandle = alloc_handle( current->process, info->process,
924 req->process_access, req->process_attr );
925 reply->thandle = alloc_handle( current->process, info->thread,
926 req->thread_access, req->thread_attr );
927 reply->success = is_process_init_done( info->process );
928 release_object( info );
940 /* Retrieve the new process startup info */
941 DECL_HANDLER(get_startup_info)
943 struct process *process = current->process;
944 struct startup_info *info = process->startup_info;
949 reply->create_flags = info->create_flags;
951 if (info->exe_file &&
952 !(reply->exe_file = alloc_handle( process, info->exe_file, GENERIC_READ, 0 ))) return;
954 if (!info->inherit_all && !(info->create_flags & CREATE_NEW_CONSOLE))
956 struct process *parent_process = info->owner->process;
957 reply->hstdin = duplicate_handle( parent_process, info->hstdin, process,
958 0, OBJ_INHERIT, DUPLICATE_SAME_ACCESS );
959 reply->hstdout = duplicate_handle( parent_process, info->hstdout, process,
960 0, OBJ_INHERIT, DUPLICATE_SAME_ACCESS );
961 reply->hstderr = duplicate_handle( parent_process, info->hstderr, process,
962 0, OBJ_INHERIT, DUPLICATE_SAME_ACCESS );
963 /* some handles above may have been invalid; this is not an error */
964 if (get_error() == STATUS_INVALID_HANDLE ||
965 get_error() == STATUS_OBJECT_TYPE_MISMATCH) clear_error();
969 reply->hstdin = info->hstdin;
970 reply->hstdout = info->hstdout;
971 reply->hstderr = info->hstderr;
974 /* we return the data directly without making a copy so this can only be called once */
975 size = info->data_size;
976 if (size > get_reply_max_size()) size = get_reply_max_size();
977 set_reply_data_ptr( info->data, size );
982 /* signal the end of the process initialization */
983 DECL_HANDLER(init_process_done)
985 struct file *file = NULL;
986 struct process *process = current->process;
988 if (is_process_init_done(process))
990 fatal_protocol_error( current, "init_process_done: called twice\n" );
995 fatal_protocol_error( current, "init_process_done: module base address cannot be 0\n" );
998 process->exe.base = req->module;
999 process->exe.size = req->module_size;
1000 process->exe.name = req->name;
1002 if (req->exe_file) file = get_file_obj( process, req->exe_file, FILE_READ_DATA );
1003 if (process->exe.file) release_object( process->exe.file );
1004 process->exe.file = file;
1006 if ((process->exe.namelen = get_req_data_size()))
1007 process->exe.filename = memdup( get_req_data(), process->exe.namelen );
1009 generate_startup_debug_events( process, req->entry );
1010 set_process_startup_state( process, STARTUP_DONE );
1012 if (req->gui) process->idle_event = create_event( NULL, NULL, 0, 1, 0 );
1013 if (current->suspend + process->suspend > 0) stop_thread( current );
1014 if (process->debugger) set_process_debug_flag( process, 1 );
1017 /* open a handle to a process */
1018 DECL_HANDLER(open_process)
1020 struct process *process = get_process_from_id( req->pid );
1024 reply->handle = alloc_handle( current->process, process, req->access, req->attributes );
1025 release_object( process );
1029 /* terminate a process */
1030 DECL_HANDLER(terminate_process)
1032 struct process *process;
1034 if ((process = get_process_from_handle( req->handle, PROCESS_TERMINATE )))
1036 reply->self = (current->process == process);
1037 kill_process( process, current, req->exit_code );
1038 release_object( process );
1042 /* fetch information about a process */
1043 DECL_HANDLER(get_process_info)
1045 struct process *process;
1047 if ((process = get_process_from_handle( req->handle, PROCESS_QUERY_INFORMATION )))
1049 reply->pid = get_process_id( process );
1050 reply->ppid = process->parent ? get_process_id( process->parent ) : 0;
1051 reply->exit_code = process->exit_code;
1052 reply->priority = process->priority;
1053 reply->affinity = process->affinity;
1054 reply->peb = process->peb;
1055 release_object( process );
1059 /* set information about a process */
1060 DECL_HANDLER(set_process_info)
1062 struct process *process;
1064 if ((process = get_process_from_handle( req->handle, PROCESS_SET_INFORMATION )))
1066 if (req->mask & SET_PROCESS_INFO_PRIORITY) process->priority = req->priority;
1067 if (req->mask & SET_PROCESS_INFO_AFFINITY)
1069 if (req->affinity != 1) set_error( STATUS_INVALID_PARAMETER );
1070 else process->affinity = req->affinity;
1072 release_object( process );
1076 /* read data from a process address space */
1077 DECL_HANDLER(read_process_memory)
1079 struct process *process;
1080 size_t len = get_reply_max_size();
1082 if (!(process = get_process_from_handle( req->handle, PROCESS_VM_READ ))) return;
1086 unsigned int start_offset = (unsigned int)req->addr % sizeof(int);
1087 unsigned int nb_ints = (len + start_offset + sizeof(int) - 1) / sizeof(int);
1088 const int *start = (int *)((char *)req->addr - start_offset);
1089 int *buffer = mem_alloc( nb_ints * sizeof(int) );
1092 if (read_process_memory( process, start, nb_ints, buffer ))
1094 /* move start of requested data to start of buffer */
1095 if (start_offset) memmove( buffer, (char *)buffer + start_offset, len );
1096 set_reply_data_ptr( buffer, len );
1101 release_object( process );
1104 /* write data to a process address space */
1105 DECL_HANDLER(write_process_memory)
1107 struct process *process;
1109 if ((process = get_process_from_handle( req->handle, PROCESS_VM_WRITE )))
1111 size_t len = get_req_data_size();
1112 if ((len % sizeof(int)) || ((unsigned int)req->addr % sizeof(int)))
1113 set_error( STATUS_INVALID_PARAMETER );
1116 if (len) write_process_memory( process, req->addr, len / sizeof(int),
1117 req->first_mask, req->last_mask, get_req_data() );
1119 release_object( process );
1123 /* notify the server that a dll has been loaded */
1124 DECL_HANDLER(load_dll)
1126 struct process_dll *dll;
1127 struct file *file = NULL;
1129 if (req->handle && !(file = get_file_obj( current->process, req->handle, FILE_READ_DATA )))
1132 if ((dll = process_load_dll( current->process, file, req->base,
1133 get_req_data(), get_req_data_size() )))
1135 dll->size = req->size;
1136 dll->dbg_offset = req->dbg_offset;
1137 dll->dbg_size = req->dbg_size;
1138 dll->name = req->name;
1139 /* only generate event if initialization is done */
1140 if (is_process_init_done( current->process ))
1141 generate_debug_event( current, LOAD_DLL_DEBUG_EVENT, dll );
1143 if (file) release_object( file );
1146 /* notify the server that a dll is being unloaded */
1147 DECL_HANDLER(unload_dll)
1149 process_unload_dll( current->process, req->base );
1152 /* retrieve information about a module in a process */
1153 DECL_HANDLER(get_dll_info)
1155 struct process *process;
1157 if ((process = get_process_from_handle( req->handle, PROCESS_QUERY_INFORMATION )))
1159 struct process_dll *dll = find_process_dll( process, req->base_address );
1163 reply->size = dll->size;
1164 reply->entry_point = NULL; /* FIXME */
1167 size_t len = min( dll->namelen, get_reply_max_size() );
1168 set_reply_data( dll->filename, len );
1172 set_error( STATUS_DLL_NOT_FOUND );
1174 release_object( process );
1178 /* wait for a process to start waiting on input */
1179 /* FIXME: only returns event for now, wait is done in the client */
1180 DECL_HANDLER(wait_input_idle)
1182 struct process *process;
1185 if ((process = get_process_from_handle( req->handle, PROCESS_QUERY_INFORMATION )))
1187 if (process->idle_event && process != current->process)
1188 reply->event = alloc_handle( current->process, process->idle_event,
1189 EVENT_ALL_ACCESS, 0 );
1190 release_object( process );