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"
31 #ifdef HAVE_SYS_SOCKET_H
32 # include <sys/socket.h>
46 /* process structure */
48 static struct process *first_process;
49 static int running_processes;
51 /* process operations */
53 static void process_dump( struct object *obj, int verbose );
54 static int process_signaled( struct object *obj, struct thread *thread );
55 static void process_poll_event( struct fd *fd, int event );
56 static void process_destroy( struct object *obj );
58 static const struct object_ops process_ops =
60 sizeof(struct process), /* size */
61 process_dump, /* dump */
62 add_queue, /* add_queue */
63 remove_queue, /* remove_queue */
64 process_signaled, /* signaled */
65 no_satisfied, /* satisfied */
66 no_get_fd, /* get_fd */
67 process_destroy /* destroy */
70 static const struct fd_ops process_fd_ops =
72 NULL, /* get_poll_events */
73 process_poll_event, /* poll_event */
75 no_get_file_info, /* get_file_info */
76 no_queue_async /* queue_async */
79 /* process startup info */
83 struct object obj; /* object header */
84 struct list entry; /* entry in list of startup infos */
85 int inherit_all; /* inherit all handles from parent */
86 int use_handles; /* use stdio handles */
87 int create_flags; /* creation flags */
88 int unix_pid; /* Unix pid of new process */
89 obj_handle_t hstdin; /* handle for stdin */
90 obj_handle_t hstdout; /* handle for stdout */
91 obj_handle_t hstderr; /* handle for stderr */
92 struct file *exe_file; /* file handle for main exe */
93 struct thread *owner; /* owner thread (the one that created the new process) */
94 struct process *process; /* created process */
95 struct thread *thread; /* created thread */
96 size_t data_size; /* size of startup data */
97 startup_info_t *data; /* data for startup info */
100 static void startup_info_dump( struct object *obj, int verbose );
101 static int startup_info_signaled( struct object *obj, struct thread *thread );
102 static void startup_info_destroy( struct object *obj );
104 static const struct object_ops startup_info_ops =
106 sizeof(struct startup_info), /* size */
107 startup_info_dump, /* dump */
108 add_queue, /* add_queue */
109 remove_queue, /* remove_queue */
110 startup_info_signaled, /* signaled */
111 no_satisfied, /* satisfied */
112 no_get_fd, /* get_fd */
113 startup_info_destroy /* destroy */
117 static struct list startup_info_list = LIST_INIT(startup_info_list);
121 void *ptr; /* entry ptr */
122 unsigned int next; /* next free entry */
125 static struct ptid_entry *ptid_entries; /* array of ptid entries */
126 static unsigned int used_ptid_entries; /* number of entries in use */
127 static unsigned int alloc_ptid_entries; /* number of allocated entries */
128 static unsigned int next_free_ptid; /* next free entry */
129 static unsigned int last_free_ptid; /* last free entry */
131 #define PTID_OFFSET 8 /* offset for first ptid value */
133 /* allocate a new process or thread id */
134 unsigned int alloc_ptid( void *ptr )
136 struct ptid_entry *entry;
139 if (used_ptid_entries < alloc_ptid_entries)
141 id = used_ptid_entries + PTID_OFFSET;
142 entry = &ptid_entries[used_ptid_entries++];
144 else if (next_free_ptid)
147 entry = &ptid_entries[id - PTID_OFFSET];
148 if (!(next_free_ptid = entry->next)) last_free_ptid = 0;
150 else /* need to grow the array */
152 unsigned int count = alloc_ptid_entries + (alloc_ptid_entries / 2);
153 if (!count) count = 64;
154 if (!(entry = realloc( ptid_entries, count * sizeof(*entry) )))
156 set_error( STATUS_NO_MEMORY );
159 ptid_entries = entry;
160 alloc_ptid_entries = count;
161 id = used_ptid_entries + PTID_OFFSET;
162 entry = &ptid_entries[used_ptid_entries++];
169 /* free a process or thread id */
170 void free_ptid( unsigned int id )
172 struct ptid_entry *entry = &ptid_entries[id - PTID_OFFSET];
177 /* append to end of free list so that we don't reuse it too early */
178 if (last_free_ptid) ptid_entries[last_free_ptid - PTID_OFFSET].next = id;
179 else next_free_ptid = id;
184 /* retrieve the pointer corresponding to a process or thread id */
185 void *get_ptid_entry( unsigned int id )
187 if (id < PTID_OFFSET) return NULL;
188 if (id - PTID_OFFSET >= used_ptid_entries) return NULL;
189 return ptid_entries[id - PTID_OFFSET].ptr;
192 /* set the state of the process startup info */
193 static void set_process_startup_state( struct process *process, enum startup_state state )
195 if (process->startup_state == STARTUP_IN_PROGRESS) process->startup_state = state;
196 if (process->startup_info)
198 wake_up( &process->startup_info->obj, 0 );
199 release_object( process->startup_info );
200 process->startup_info = NULL;
204 /* set the console and stdio handles for a newly created process */
205 static int set_process_console( struct process *process, struct thread *parent_thread,
206 struct startup_info *info, struct init_process_reply *reply )
208 if (process->create_flags & CREATE_NEW_CONSOLE)
210 /* let the process init do the allocation */
213 else if (info && !(process->create_flags & DETACHED_PROCESS))
215 /* FIXME: some better error checking should be done...
216 * like if hConOut and hConIn are console handles, then they should be on the same
219 inherit_console( parent_thread, process,
220 (info->inherit_all || info->use_handles) ? info->hstdin : 0 );
224 if (!info->inherit_all && !info->use_handles)
226 /* duplicate the handle from the parent into this process */
227 reply->hstdin = duplicate_handle( parent_thread->process, info->hstdin, process,
228 0, TRUE, DUPLICATE_SAME_ACCESS );
229 reply->hstdout = duplicate_handle( parent_thread->process, info->hstdout, process,
230 0, TRUE, DUPLICATE_SAME_ACCESS );
231 reply->hstderr = duplicate_handle( parent_thread->process, info->hstderr, process,
232 0, TRUE, DUPLICATE_SAME_ACCESS );
236 reply->hstdin = info->hstdin;
237 reply->hstdout = info->hstdout;
238 reply->hstderr = info->hstderr;
243 if (process->console)
245 reply->hstdin = alloc_handle( process, process->console,
246 GENERIC_READ | GENERIC_WRITE | SYNCHRONIZE, 1 );
247 reply->hstdout = alloc_handle( process, process->console->active,
248 GENERIC_READ | GENERIC_WRITE, 1 );
249 reply->hstderr = alloc_handle( process, process->console->active,
250 GENERIC_READ | GENERIC_WRITE, 1 );
254 /* no parent, let the caller decide what to do */
255 reply->hstdin = reply->hstdout = reply->hstderr = 0;
258 /* some handles above may have been invalid; this is not an error */
259 if (get_error() == STATUS_INVALID_HANDLE) clear_error();
263 /* create a new process and its main thread */
264 struct thread *create_process( int fd )
266 struct process *process;
267 struct thread *thread = NULL;
270 if (!(process = alloc_object( &process_ops ))) goto error;
271 process->next = NULL;
272 process->prev = NULL;
273 process->parent = NULL;
274 process->thread_list = NULL;
275 process->debugger = NULL;
276 process->handles = NULL;
277 process->msg_fd = NULL;
278 process->exit_code = STILL_ACTIVE;
279 process->running_threads = 0;
280 process->priority = NORMAL_PRIORITY_CLASS;
281 process->affinity = 1;
282 process->suspend = 0;
283 process->create_flags = 0;
284 process->console = NULL;
285 process->startup_state = STARTUP_IN_PROGRESS;
286 process->startup_info = NULL;
287 process->idle_event = NULL;
288 process->queue = NULL;
289 process->atom_table = NULL;
290 process->ldt_copy = NULL;
291 process->exe.next = NULL;
292 process->exe.prev = NULL;
293 process->exe.file = NULL;
294 process->exe.dbg_offset = 0;
295 process->exe.dbg_size = 0;
296 process->exe.namelen = 0;
297 process->exe.filename = NULL;
298 process->group_id = 0;
299 list_init( &process->locks );
301 gettimeofday( &process->start_time, NULL );
302 if ((process->next = first_process) != NULL) process->next->prev = process;
303 first_process = process;
305 if (!(process->id = alloc_ptid( process ))) goto error;
306 if (!(process->msg_fd = create_anonymous_fd( &process_fd_ops, fd, &process->obj ))) goto error;
308 /* create the main thread */
309 if (pipe( request_pipe ) == -1)
314 if (send_client_fd( process, request_pipe[1], 0 ) == -1)
316 close( request_pipe[0] );
317 close( request_pipe[1] );
320 close( request_pipe[1] );
321 if (!(thread = create_thread( request_pipe[0], process ))) goto error;
323 set_fd_events( process->msg_fd, POLLIN ); /* start listening to events */
324 release_object( process );
328 if (process) release_object( process );
329 /* if we failed to start our first process, close everything down */
330 if (!running_processes) close_master_socket();
334 /* find the startup info for a given Unix process */
335 inline static struct startup_info *find_startup_info( int unix_pid )
339 LIST_FOR_EACH( ptr, &startup_info_list )
341 struct startup_info *info = LIST_ENTRY( ptr, struct startup_info, entry );
342 if (info->unix_pid == unix_pid) return info;
347 /* initialize the current process and fill in the request */
348 static struct startup_info *init_process( struct init_process_reply *reply )
350 struct process *process = current->process;
351 struct thread *parent_thread = NULL;
352 struct process *parent = NULL;
353 struct startup_info *info = find_startup_info( current->unix_pid );
359 fatal_protocol_error( current, "init_process: called twice?\n" );
362 parent_thread = info->owner;
363 parent = parent_thread->process;
364 process->parent = (struct process *)grab_object( parent );
367 /* set the process flags */
368 process->create_flags = info ? info->create_flags : 0;
370 /* create the handle table */
371 if (info && info->inherit_all)
372 process->handles = copy_handle_table( process, parent );
374 process->handles = alloc_handle_table( process, 0 );
375 if (!process->handles) return NULL;
377 /* retrieve the main exe file */
379 if (info && info->exe_file)
381 process->exe.file = (struct file *)grab_object( info->exe_file );
382 if (!(reply->exe_file = alloc_handle( process, process->exe.file, GENERIC_READ, 0 )))
386 /* set the process console */
387 if (!set_process_console( process, parent_thread, info, reply )) return NULL;
389 process->group_id = get_process_id( process );
392 /* attach to the debugger if requested */
393 if (process->create_flags & (DEBUG_PROCESS | DEBUG_ONLY_THIS_PROCESS))
394 set_process_debugger( process, parent_thread );
395 else if (parent->debugger && !(parent->create_flags & DEBUG_ONLY_THIS_PROCESS))
396 set_process_debugger( process, parent->debugger );
397 if (!(process->create_flags & CREATE_NEW_PROCESS_GROUP))
398 process->group_id = parent->group_id;
401 /* thread will be actually suspended in init_done */
402 if (process->create_flags & CREATE_SUSPENDED) current->suspend++;
406 reply->info_size = info->data_size;
407 info->process = (struct process *)grab_object( process );
408 info->thread = (struct thread *)grab_object( current );
410 reply->create_flags = process->create_flags;
411 reply->server_start = server_start_ticks;
412 return info ? (struct startup_info *)grab_object( info ) : NULL;
415 /* destroy a process when its refcount is 0 */
416 static void process_destroy( struct object *obj )
418 struct process *process = (struct process *)obj;
419 assert( obj->ops == &process_ops );
421 /* we can't have a thread remaining */
422 assert( !process->thread_list );
424 set_process_startup_state( process, STARTUP_ABORTED );
425 if (process->console) release_object( process->console );
426 if (process->parent) release_object( process->parent );
427 if (process->msg_fd) release_object( process->msg_fd );
428 if (process->next) process->next->prev = process->prev;
429 if (process->prev) process->prev->next = process->next;
430 else first_process = process->next;
431 if (process->idle_event) release_object( process->idle_event );
432 if (process->queue) release_object( process->queue );
433 if (process->atom_table) release_object( process->atom_table );
434 if (process->exe.file) release_object( process->exe.file );
435 if (process->exe.filename) free( process->exe.filename );
436 if (process->id) free_ptid( process->id );
439 /* dump a process on stdout for debugging purposes */
440 static void process_dump( struct object *obj, int verbose )
442 struct process *process = (struct process *)obj;
443 assert( obj->ops == &process_ops );
445 fprintf( stderr, "Process id=%04x next=%p prev=%p handles=%p\n",
446 process->id, process->next, process->prev, process->handles );
449 static int process_signaled( struct object *obj, struct thread *thread )
451 struct process *process = (struct process *)obj;
452 return !process->running_threads;
455 static void process_poll_event( struct fd *fd, int event )
457 struct process *process = get_fd_user( fd );
458 assert( process->obj.ops == &process_ops );
460 if (event & (POLLERR | POLLHUP)) set_fd_events( fd, -1 );
461 else if (event & POLLIN) receive_fd( process );
464 static void startup_info_destroy( struct object *obj )
466 struct startup_info *info = (struct startup_info *)obj;
467 assert( obj->ops == &startup_info_ops );
468 list_remove( &info->entry );
469 if (info->data) free( info->data );
470 if (info->exe_file) release_object( info->exe_file );
471 if (info->process) release_object( info->process );
472 if (info->thread) release_object( info->thread );
473 if (info->owner) release_object( info->owner );
476 static void startup_info_dump( struct object *obj, int verbose )
478 struct startup_info *info = (struct startup_info *)obj;
479 assert( obj->ops == &startup_info_ops );
481 fprintf( stderr, "Startup info flags=%x in=%p out=%p err=%p\n",
482 info->create_flags, info->hstdin, info->hstdout, info->hstderr );
485 static int startup_info_signaled( struct object *obj, struct thread *thread )
487 struct startup_info *info = (struct startup_info *)obj;
488 return info->process && is_process_init_done(info->process);
491 /* get a process from an id (and increment the refcount) */
492 struct process *get_process_from_id( process_id_t id )
494 struct object *obj = get_ptid_entry( id );
496 if (obj && obj->ops == &process_ops) return (struct process *)grab_object( obj );
497 set_error( STATUS_INVALID_PARAMETER );
501 /* get a process from a handle (and increment the refcount) */
502 struct process *get_process_from_handle( obj_handle_t handle, unsigned int access )
504 return (struct process *)get_handle_obj( current->process, handle,
505 access, &process_ops );
508 /* add a dll to a process list */
509 static struct process_dll *process_load_dll( struct process *process, struct file *file,
510 void *base, const char *filename, size_t name_len )
512 struct process_dll *dll;
514 /* make sure we don't already have one with the same base address */
515 for (dll = process->exe.next; dll; dll = dll->next) if (dll->base == base)
517 set_error( STATUS_INVALID_PARAMETER );
521 if ((dll = mem_alloc( sizeof(*dll) )))
523 dll->prev = &process->exe;
526 dll->filename = NULL;
527 dll->namelen = name_len;
528 if (name_len && !(dll->filename = memdup( filename, name_len )))
533 if (file) dll->file = (struct file *)grab_object( file );
534 if ((dll->next = process->exe.next)) dll->next->prev = dll;
535 process->exe.next = dll;
540 /* remove a dll from a process list */
541 static void process_unload_dll( struct process *process, void *base )
543 struct process_dll *dll;
545 for (dll = process->exe.next; dll; dll = dll->next)
547 if (dll->base == base)
549 if (dll->file) release_object( dll->file );
550 if (dll->next) dll->next->prev = dll->prev;
551 if (dll->prev) dll->prev->next = dll->next;
552 if (dll->filename) free( dll->filename );
554 generate_debug_event( current, UNLOAD_DLL_DEBUG_EVENT, base );
558 set_error( STATUS_INVALID_PARAMETER );
561 /* kill all processes */
562 void kill_all_processes( struct process *skip, int exit_code )
566 struct process *process = first_process;
568 while (process && (!process->running_threads || process == skip))
569 process = process->next;
571 kill_process( process, NULL, exit_code );
575 /* kill all processes being attached to a console renderer */
576 void kill_console_processes( struct thread *renderer, int exit_code )
578 for (;;) /* restart from the beginning of the list every time */
580 struct process *process = first_process;
582 /* find the first process being attached to 'renderer' and still running */
584 (process == renderer->process || !process->console ||
585 process->console->renderer != renderer || !process->running_threads))
587 process = process->next;
590 kill_process( process, NULL, exit_code );
594 /* a process has been killed (i.e. its last thread died) */
595 static void process_killed( struct process *process )
597 assert( !process->thread_list );
598 gettimeofday( &process->end_time, NULL );
599 if (process->handles) release_object( process->handles );
600 process->handles = NULL;
602 /* close the console attached to this process, if any */
603 free_console( process );
605 while (process->exe.next)
607 struct process_dll *dll = process->exe.next;
608 process->exe.next = dll->next;
609 if (dll->file) release_object( dll->file );
610 if (dll->filename) free( dll->filename );
613 set_process_startup_state( process, STARTUP_ABORTED );
614 if (process->exe.file) release_object( process->exe.file );
615 process->exe.file = NULL;
616 wake_up( &process->obj, 0 );
617 if (!--running_processes) close_master_socket();
620 /* add a thread to a process running threads list */
621 void add_process_thread( struct process *process, struct thread *thread )
623 thread->proc_next = process->thread_list;
624 thread->proc_prev = NULL;
625 if (thread->proc_next) thread->proc_next->proc_prev = thread;
626 process->thread_list = thread;
627 if (!process->running_threads++) running_processes++;
628 grab_object( thread );
631 /* remove a thread from a process running threads list */
632 void remove_process_thread( struct process *process, struct thread *thread )
634 assert( process->running_threads > 0 );
635 assert( process->thread_list );
637 if (thread->proc_next) thread->proc_next->proc_prev = thread->proc_prev;
638 if (thread->proc_prev) thread->proc_prev->proc_next = thread->proc_next;
639 else process->thread_list = thread->proc_next;
641 if (!--process->running_threads)
643 /* we have removed the last running thread, exit the process */
644 process->exit_code = thread->exit_code;
645 generate_debug_event( thread, EXIT_PROCESS_DEBUG_EVENT, process );
646 process_killed( process );
648 else generate_debug_event( thread, EXIT_THREAD_DEBUG_EVENT, thread );
649 release_object( thread );
652 /* suspend all the threads of a process */
653 void suspend_process( struct process *process )
655 if (!process->suspend++)
657 struct thread *thread = process->thread_list;
660 struct thread *next = thread->proc_next;
661 if (!thread->suspend) stop_thread( thread );
667 /* resume all the threads of a process */
668 void resume_process( struct process *process )
670 assert (process->suspend > 0);
671 if (!--process->suspend)
673 struct thread *thread = process->thread_list;
676 struct thread *next = thread->proc_next;
677 if (!thread->suspend) wake_thread( thread );
683 /* kill a process on the spot */
684 void kill_process( struct process *process, struct thread *skip, int exit_code )
686 struct thread *thread = process->thread_list;
690 struct thread *next = thread->proc_next;
691 thread->exit_code = exit_code;
692 if (thread != skip) kill_thread( thread, 1 );
697 /* kill all processes being debugged by a given thread */
698 void kill_debugged_processes( struct thread *debugger, int exit_code )
700 for (;;) /* restart from the beginning of the list every time */
702 struct process *process = first_process;
703 /* find the first process being debugged by 'debugger' and still running */
704 while (process && (process->debugger != debugger || !process->running_threads))
705 process = process->next;
706 if (!process) return;
707 process->debugger = NULL;
708 kill_process( process, NULL, exit_code );
713 /* detach a debugger from all its debuggees */
714 void detach_debugged_processes( struct thread *debugger )
716 struct process *process;
717 for (process = first_process; process; process = process->next)
719 if (process->debugger == debugger && process->running_threads)
721 debugger_detach( process, debugger );
727 void enum_processes( int (*cb)(struct process*, void*), void *user )
729 struct process *process;
730 for (process = first_process; process; process = process->next)
732 if ((cb)(process, user)) break;
737 /* get all information about a process */
738 static void get_process_info( struct process *process, struct get_process_info_reply *reply )
740 reply->pid = get_process_id( process );
741 reply->debugged = (process->debugger != 0);
742 reply->exit_code = process->exit_code;
743 reply->priority = process->priority;
744 reply->process_affinity = process->affinity;
745 reply->system_affinity = 1;
748 /* set all information about a process */
749 static void set_process_info( struct process *process,
750 const struct set_process_info_request *req )
752 if (req->mask & SET_PROCESS_INFO_PRIORITY)
753 process->priority = req->priority;
754 if (req->mask & SET_PROCESS_INFO_AFFINITY)
756 if (req->affinity != 1) set_error( STATUS_INVALID_PARAMETER );
757 else process->affinity = req->affinity;
761 /* read data from a process memory space */
762 /* len is the total size (in ints) */
763 static int read_process_memory( struct process *process, const int *addr, size_t len, int *dest )
765 struct thread *thread = process->thread_list;
767 assert( !((unsigned int)addr % sizeof(int)) ); /* address must be aligned */
769 if (!thread) /* process is dead */
771 set_error( STATUS_ACCESS_DENIED );
774 if (suspend_for_ptrace( thread ))
778 if (read_thread_int( thread, addr++, dest++ ) == -1) break;
781 resume_after_ptrace( thread );
786 /* make sure we can write to the whole address range */
787 /* len is the total size (in ints) */
788 static int check_process_write_access( struct thread *thread, int *addr, size_t len )
790 int page = get_page_size() / sizeof(int);
794 if (write_thread_int( thread, addr, 0, 0 ) == -1) return 0;
795 if (len <= page) break;
799 return (write_thread_int( thread, addr + len - 1, 0, 0 ) != -1);
802 /* write data to a process memory space */
803 /* len is the total size (in ints), max is the size we can actually read from the input buffer */
804 /* we check the total size for write permissions */
805 static void write_process_memory( struct process *process, int *addr, size_t len,
806 unsigned int first_mask, unsigned int last_mask, const int *src )
808 struct thread *thread = process->thread_list;
810 assert( !((unsigned int)addr % sizeof(int) )); /* address must be aligned */
812 if (!thread) /* process is dead */
814 set_error( STATUS_ACCESS_DENIED );
817 if (suspend_for_ptrace( thread ))
819 if (!check_process_write_access( thread, addr, len ))
821 set_error( STATUS_ACCESS_DENIED );
824 /* first word is special */
827 if (write_thread_int( thread, addr++, *src++, first_mask ) == -1) goto done;
830 else last_mask &= first_mask;
834 if (write_thread_int( thread, addr++, *src++, ~0 ) == -1) goto done;
838 /* last word is special too */
839 if (write_thread_int( thread, addr, *src, last_mask ) == -1) goto done;
842 resume_after_ptrace( thread );
846 /* take a snapshot of currently running processes */
847 struct process_snapshot *process_snap( int *count )
849 struct process_snapshot *snapshot, *ptr;
850 struct process *process;
851 if (!running_processes) return NULL;
852 if (!(snapshot = mem_alloc( sizeof(*snapshot) * running_processes )))
855 for (process = first_process; process; process = process->next)
857 if (!process->running_threads) continue;
858 ptr->process = process;
859 ptr->threads = process->running_threads;
860 ptr->count = process->obj.refcount;
861 ptr->priority = process->priority;
862 grab_object( process );
865 *count = running_processes;
869 /* take a snapshot of the modules of a process */
870 struct module_snapshot *module_snap( struct process *process, int *count )
872 struct module_snapshot *snapshot, *ptr;
873 struct process_dll *dll;
876 for (dll = &process->exe; dll; dll = dll->next) total++;
877 if (!(snapshot = mem_alloc( sizeof(*snapshot) * total ))) return NULL;
879 for (ptr = snapshot, dll = &process->exe; dll; dll = dll->next, ptr++)
881 ptr->base = dll->base;
882 ptr->size = dll->size;
883 ptr->namelen = dll->namelen;
884 ptr->filename = memdup( dll->filename, dll->namelen );
891 /* create a new process */
892 DECL_HANDLER(new_process)
894 struct startup_info *info;
896 /* build the startup info for a new process */
897 if (!(info = alloc_object( &startup_info_ops ))) return;
898 list_add_head( &startup_info_list, &info->entry );
899 info->inherit_all = req->inherit_all;
900 info->use_handles = req->use_handles;
901 info->create_flags = req->create_flags;
902 info->unix_pid = req->unix_pid;
903 info->hstdin = req->hstdin;
904 info->hstdout = req->hstdout;
905 info->hstderr = req->hstderr;
906 info->exe_file = NULL;
907 info->owner = (struct thread *)grab_object( current );
908 info->process = NULL;
910 info->data_size = get_req_data_size();
914 !(info->exe_file = get_file_obj( current->process, req->exe_file, GENERIC_READ )))
917 if (!(info->data = mem_alloc( info->data_size ))) goto done;
918 memcpy( info->data, get_req_data(), info->data_size );
919 reply->info = alloc_handle( current->process, info, SYNCHRONIZE, FALSE );
922 release_object( info );
925 /* Retrieve information about a newly started process */
926 DECL_HANDLER(get_new_process_info)
928 struct startup_info *info;
930 if ((info = (struct startup_info *)get_handle_obj( current->process, req->info,
931 0, &startup_info_ops )))
933 reply->pid = get_process_id( info->process );
934 reply->tid = get_thread_id( info->thread );
935 reply->phandle = alloc_handle( current->process, info->process,
936 PROCESS_ALL_ACCESS, req->pinherit );
937 reply->thandle = alloc_handle( current->process, info->thread,
938 THREAD_ALL_ACCESS, req->tinherit );
939 reply->success = is_process_init_done( info->process );
940 release_object( info );
952 /* Retrieve the new process startup info */
953 DECL_HANDLER(get_startup_info)
955 struct startup_info *info;
957 if ((info = current->process->startup_info))
959 size_t size = info->data_size;
960 if (size > get_reply_max_size()) size = get_reply_max_size();
962 /* we return the data directly without making a copy so this can only be called once */
963 set_reply_data_ptr( info->data, size );
970 /* initialize a new process */
971 DECL_HANDLER(init_process)
973 if (current->unix_pid == -1)
975 fatal_protocol_error( current, "init_process: init_thread not called yet\n" );
978 if (current->process->startup_info)
980 fatal_protocol_error( current, "init_process: called twice\n" );
983 reply->info_size = 0;
984 current->process->ldt_copy = req->ldt_copy;
985 current->process->startup_info = init_process( reply );
988 /* signal the end of the process initialization */
989 DECL_HANDLER(init_process_done)
991 struct file *file = NULL;
992 struct process *process = current->process;
994 if (is_process_init_done(process))
996 fatal_protocol_error( current, "init_process_done: called twice\n" );
1001 fatal_protocol_error( current, "init_process_done: module base address cannot be 0\n" );
1004 process->exe.base = req->module;
1005 process->exe.size = req->module_size;
1006 process->exe.name = req->name;
1008 if (req->exe_file) file = get_file_obj( process, req->exe_file, GENERIC_READ );
1009 if (process->exe.file) release_object( process->exe.file );
1010 process->exe.file = file;
1012 if ((process->exe.namelen = get_req_data_size()))
1013 process->exe.filename = memdup( get_req_data(), process->exe.namelen );
1015 generate_startup_debug_events( process, req->entry );
1016 set_process_startup_state( process, STARTUP_DONE );
1018 if (req->gui) process->idle_event = create_event( NULL, 0, 1, 0 );
1019 if (current->suspend + process->suspend > 0) stop_thread( current );
1020 reply->debugged = (process->debugger != 0);
1023 /* open a handle to a process */
1024 DECL_HANDLER(open_process)
1026 struct process *process = get_process_from_id( req->pid );
1030 reply->handle = alloc_handle( current->process, process, req->access, req->inherit );
1031 release_object( process );
1035 /* terminate a process */
1036 DECL_HANDLER(terminate_process)
1038 struct process *process;
1040 if ((process = get_process_from_handle( req->handle, PROCESS_TERMINATE )))
1042 reply->self = (current->process == process);
1043 kill_process( process, current, req->exit_code );
1044 release_object( process );
1048 /* fetch information about a process */
1049 DECL_HANDLER(get_process_info)
1051 struct process *process;
1053 if ((process = get_process_from_handle( req->handle, PROCESS_QUERY_INFORMATION )))
1055 get_process_info( process, reply );
1056 release_object( process );
1060 /* set information about a process */
1061 DECL_HANDLER(set_process_info)
1063 struct process *process;
1065 if ((process = get_process_from_handle( req->handle, PROCESS_SET_INFORMATION )))
1067 set_process_info( process, req );
1068 release_object( process );
1072 /* read data from a process address space */
1073 DECL_HANDLER(read_process_memory)
1075 struct process *process;
1076 size_t len = get_reply_max_size();
1078 if (!(process = get_process_from_handle( req->handle, PROCESS_VM_READ ))) return;
1082 unsigned int start_offset = (unsigned int)req->addr % sizeof(int);
1083 unsigned int nb_ints = (len + start_offset + sizeof(int) - 1) / sizeof(int);
1084 const int *start = (int *)((char *)req->addr - start_offset);
1085 int *buffer = mem_alloc( nb_ints * sizeof(int) );
1088 if (read_process_memory( process, start, nb_ints, buffer ))
1090 /* move start of requested data to start of buffer */
1091 if (start_offset) memmove( buffer, (char *)buffer + start_offset, len );
1092 set_reply_data_ptr( buffer, len );
1097 release_object( process );
1100 /* write data to a process address space */
1101 DECL_HANDLER(write_process_memory)
1103 struct process *process;
1105 if ((process = get_process_from_handle( req->handle, PROCESS_VM_WRITE )))
1107 size_t len = get_req_data_size();
1108 if ((len % sizeof(int)) || ((unsigned int)req->addr % sizeof(int)))
1109 set_error( STATUS_INVALID_PARAMETER );
1112 if (len) write_process_memory( process, req->addr, len / sizeof(int),
1113 req->first_mask, req->last_mask, get_req_data() );
1115 release_object( process );
1119 /* notify the server that a dll has been loaded */
1120 DECL_HANDLER(load_dll)
1122 struct process_dll *dll;
1123 struct file *file = NULL;
1126 !(file = get_file_obj( current->process, req->handle, GENERIC_READ ))) return;
1128 if ((dll = process_load_dll( current->process, file, req->base,
1129 get_req_data(), get_req_data_size() )))
1131 dll->size = req->size;
1132 dll->dbg_offset = req->dbg_offset;
1133 dll->dbg_size = req->dbg_size;
1134 dll->name = req->name;
1135 /* only generate event if initialization is done */
1136 if (is_process_init_done( current->process ))
1137 generate_debug_event( current, LOAD_DLL_DEBUG_EVENT, dll );
1139 if (file) release_object( file );
1142 /* notify the server that a dll is being unloaded */
1143 DECL_HANDLER(unload_dll)
1145 process_unload_dll( current->process, req->base );
1148 /* retrieve information about a module in a process */
1149 DECL_HANDLER(get_dll_info)
1151 struct process *process;
1153 if ((process = get_process_from_handle( req->handle, PROCESS_QUERY_INFORMATION )))
1155 struct process_dll *dll;
1157 for (dll = &process->exe; dll; dll = dll->next)
1159 if (dll->base == req->base_address)
1161 reply->size = dll->size;
1162 reply->entry_point = 0; /* FIXME */
1165 size_t len = min( dll->namelen, get_reply_max_size() );
1166 set_reply_data( dll->filename, len );
1172 set_error(STATUS_DLL_NOT_FOUND);
1173 release_object( process );
1177 /* wait for a process to start waiting on input */
1178 /* FIXME: only returns event for now, wait is done in the client */
1179 DECL_HANDLER(wait_input_idle)
1181 struct process *process;
1184 if ((process = get_process_from_handle( req->handle, PROCESS_QUERY_INFORMATION )))
1186 if (process->idle_event && process != current->process && process->queue != current->queue)
1187 reply->event = alloc_handle( current->process, process->idle_event,
1188 EVENT_ALL_ACCESS, 0 );
1189 release_object( process );