2 * Server-side process management
4 * Copyright (C) 1998 Alexandre Julliard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 #include "wine/port.h"
32 #ifdef HAVE_SYS_SOCKET_H
33 # include <sys/socket.h>
41 #define WIN32_NO_STATUS
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 obj_handle_t hstdin
; /* handle for stdin */
98 obj_handle_t hstdout
; /* handle for stdout */
99 obj_handle_t hstderr
; /* handle for stderr */
100 struct file
*exe_file
; /* file handle for main exe */
101 struct process
*process
; /* created process */
102 size_t data_size
; /* size of startup data */
103 void *data
; /* data for startup info */
106 static void startup_info_dump( struct object
*obj
, int verbose
);
107 static int startup_info_signaled( struct object
*obj
, struct thread
*thread
);
108 static void startup_info_destroy( struct object
*obj
);
110 static const struct object_ops startup_info_ops
=
112 sizeof(struct startup_info
), /* size */
113 startup_info_dump
, /* dump */
114 add_queue
, /* add_queue */
115 remove_queue
, /* remove_queue */
116 startup_info_signaled
, /* signaled */
117 no_satisfied
, /* satisfied */
118 no_signal
, /* signal */
119 no_get_fd
, /* get_fd */
120 no_map_access
, /* map_access */
121 no_lookup_name
, /* lookup_name */
122 no_close_handle
, /* close_handle */
123 startup_info_destroy
/* destroy */
129 void *ptr
; /* entry ptr */
130 unsigned int next
; /* next free entry */
133 static struct ptid_entry
*ptid_entries
; /* array of ptid entries */
134 static unsigned int used_ptid_entries
; /* number of entries in use */
135 static unsigned int alloc_ptid_entries
; /* number of allocated entries */
136 static unsigned int next_free_ptid
; /* next free entry */
137 static unsigned int last_free_ptid
; /* last free entry */
139 #define PTID_OFFSET 8 /* offset for first ptid value */
141 /* allocate a new process or thread id */
142 unsigned int alloc_ptid( void *ptr
)
144 struct ptid_entry
*entry
;
147 if (used_ptid_entries
< alloc_ptid_entries
)
149 id
= used_ptid_entries
+ PTID_OFFSET
;
150 entry
= &ptid_entries
[used_ptid_entries
++];
152 else if (next_free_ptid
)
155 entry
= &ptid_entries
[id
- PTID_OFFSET
];
156 if (!(next_free_ptid
= entry
->next
)) last_free_ptid
= 0;
158 else /* need to grow the array */
160 unsigned int count
= alloc_ptid_entries
+ (alloc_ptid_entries
/ 2);
161 if (!count
) count
= 64;
162 if (!(entry
= realloc( ptid_entries
, count
* sizeof(*entry
) )))
164 set_error( STATUS_NO_MEMORY
);
167 ptid_entries
= entry
;
168 alloc_ptid_entries
= count
;
169 id
= used_ptid_entries
+ PTID_OFFSET
;
170 entry
= &ptid_entries
[used_ptid_entries
++];
177 /* free a process or thread id */
178 void free_ptid( unsigned int id
)
180 struct ptid_entry
*entry
= &ptid_entries
[id
- PTID_OFFSET
];
185 /* append to end of free list so that we don't reuse it too early */
186 if (last_free_ptid
) ptid_entries
[last_free_ptid
- PTID_OFFSET
].next
= id
;
187 else next_free_ptid
= id
;
192 /* retrieve the pointer corresponding to a process or thread id */
193 void *get_ptid_entry( unsigned int id
)
195 if (id
< PTID_OFFSET
) return NULL
;
196 if (id
- PTID_OFFSET
>= used_ptid_entries
) return NULL
;
197 return ptid_entries
[id
- PTID_OFFSET
].ptr
;
200 /* return the main thread of the process */
201 struct thread
*get_process_first_thread( struct process
*process
)
203 struct list
*ptr
= list_head( &process
->thread_list
);
204 if (!ptr
) return NULL
;
205 return LIST_ENTRY( ptr
, struct thread
, proc_entry
);
208 /* set the state of the process startup info */
209 static void set_process_startup_state( struct process
*process
, enum startup_state state
)
211 if (process
->startup_state
== STARTUP_IN_PROGRESS
) process
->startup_state
= state
;
212 if (process
->startup_info
)
214 wake_up( &process
->startup_info
->obj
, 0 );
215 release_object( process
->startup_info
);
216 process
->startup_info
= NULL
;
220 /* create a new process and its main thread */
221 /* if the function fails the fd is closed */
222 struct thread
*create_process( int fd
, struct thread
*parent_thread
, int inherit_all
)
224 struct process
*process
;
225 struct thread
*thread
= NULL
;
228 if (!(process
= alloc_object( &process_ops
)))
233 process
->parent
= NULL
;
234 process
->debugger
= NULL
;
235 process
->handles
= NULL
;
236 process
->msg_fd
= NULL
;
237 process
->exit_code
= STILL_ACTIVE
;
238 process
->running_threads
= 0;
239 process
->priority
= PROCESS_PRIOCLASS_NORMAL
;
240 process
->affinity
= 1;
241 process
->suspend
= 0;
242 process
->create_flags
= 0;
243 process
->console
= NULL
;
244 process
->startup_state
= STARTUP_IN_PROGRESS
;
245 process
->startup_info
= NULL
;
246 process
->idle_event
= NULL
;
247 process
->queue
= NULL
;
249 process
->ldt_copy
= NULL
;
250 process
->winstation
= 0;
251 process
->desktop
= 0;
252 process
->token
= token_create_admin();
253 list_init( &process
->thread_list
);
254 list_init( &process
->locks
);
255 list_init( &process
->classes
);
256 list_init( &process
->dlls
);
258 gettimeofday( &process
->start_time
, NULL
);
259 list_add_head( &process_list
, &process
->entry
);
261 if (!(process
->id
= process
->group_id
= alloc_ptid( process
)))
266 if (!(process
->msg_fd
= create_anonymous_fd( &process_fd_ops
, fd
, &process
->obj
))) goto error
;
268 /* create the handle table */
269 if (!parent_thread
) process
->handles
= alloc_handle_table( process
, 0 );
272 struct process
*parent
= parent_thread
->process
;
273 process
->parent
= (struct process
*)grab_object( parent
);
274 process
->handles
= inherit_all
? copy_handle_table( process
, parent
)
275 : alloc_handle_table( process
, 0 );
277 if (!process
->handles
) goto error
;
279 /* create the main thread */
280 if (pipe( request_pipe
) == -1)
285 if (send_client_fd( process
, request_pipe
[1], 0 ) == -1)
287 close( request_pipe
[0] );
288 close( request_pipe
[1] );
291 close( request_pipe
[1] );
292 if (!(thread
= create_thread( request_pipe
[0], process
))) goto error
;
294 set_fd_events( process
->msg_fd
, POLLIN
); /* start listening to events */
295 release_object( process
);
299 if (process
) release_object( process
);
300 /* if we failed to start our first process, close everything down */
301 if (!running_processes
) close_master_socket();
305 /* initialize the current process and fill in the request */
306 size_t init_process( struct thread
*thread
)
308 struct process
*process
= thread
->process
;
309 struct startup_info
*info
= process
->startup_info
;
312 return info
->data_size
;
315 /* destroy a process when its refcount is 0 */
316 static void process_destroy( struct object
*obj
)
318 struct process
*process
= (struct process
*)obj
;
319 assert( obj
->ops
== &process_ops
);
321 /* we can't have a thread remaining */
322 assert( list_empty( &process
->thread_list
));
324 set_process_startup_state( process
, STARTUP_ABORTED
);
325 if (process
->console
) release_object( process
->console
);
326 if (process
->parent
) release_object( process
->parent
);
327 if (process
->msg_fd
) release_object( process
->msg_fd
);
328 list_remove( &process
->entry
);
329 if (process
->idle_event
) release_object( process
->idle_event
);
330 if (process
->queue
) release_object( process
->queue
);
331 if (process
->id
) free_ptid( process
->id
);
332 if (process
->token
) release_object( process
->token
);
335 /* dump a process on stdout for debugging purposes */
336 static void process_dump( struct object
*obj
, int verbose
)
338 struct process
*process
= (struct process
*)obj
;
339 assert( obj
->ops
== &process_ops
);
341 fprintf( stderr
, "Process id=%04x handles=%p\n", process
->id
, process
->handles
);
344 static int process_signaled( struct object
*obj
, struct thread
*thread
)
346 struct process
*process
= (struct process
*)obj
;
347 return !process
->running_threads
;
350 static unsigned int process_map_access( struct object
*obj
, unsigned int access
)
352 if (access
& GENERIC_READ
) access
|= STANDARD_RIGHTS_READ
| SYNCHRONIZE
;
353 if (access
& GENERIC_WRITE
) access
|= STANDARD_RIGHTS_WRITE
| SYNCHRONIZE
;
354 if (access
& GENERIC_EXECUTE
) access
|= STANDARD_RIGHTS_EXECUTE
;
355 if (access
& GENERIC_ALL
) access
|= PROCESS_ALL_ACCESS
;
356 return access
& ~(GENERIC_READ
| GENERIC_WRITE
| GENERIC_EXECUTE
| GENERIC_ALL
);
359 static void process_poll_event( struct fd
*fd
, int event
)
361 struct process
*process
= get_fd_user( fd
);
362 assert( process
->obj
.ops
== &process_ops
);
364 if (event
& (POLLERR
| POLLHUP
)) set_fd_events( fd
, -1 );
365 else if (event
& POLLIN
) receive_fd( process
);
368 static void startup_info_destroy( struct object
*obj
)
370 struct startup_info
*info
= (struct startup_info
*)obj
;
371 assert( obj
->ops
== &startup_info_ops
);
372 if (info
->data
) free( info
->data
);
373 if (info
->exe_file
) release_object( info
->exe_file
);
374 if (info
->process
) release_object( info
->process
);
377 static void startup_info_dump( struct object
*obj
, int verbose
)
379 struct startup_info
*info
= (struct startup_info
*)obj
;
380 assert( obj
->ops
== &startup_info_ops
);
382 fprintf( stderr
, "Startup info in=%p out=%p err=%p\n",
383 info
->hstdin
, info
->hstdout
, info
->hstderr
);
386 static int startup_info_signaled( struct object
*obj
, struct thread
*thread
)
388 struct startup_info
*info
= (struct startup_info
*)obj
;
389 return info
->process
&& info
->process
->startup_state
!= STARTUP_IN_PROGRESS
;
392 /* get a process from an id (and increment the refcount) */
393 struct process
*get_process_from_id( process_id_t id
)
395 struct object
*obj
= get_ptid_entry( id
);
397 if (obj
&& obj
->ops
== &process_ops
) return (struct process
*)grab_object( obj
);
398 set_error( STATUS_INVALID_PARAMETER
);
402 /* get a process from a handle (and increment the refcount) */
403 struct process
*get_process_from_handle( obj_handle_t handle
, unsigned int access
)
405 return (struct process
*)get_handle_obj( current
->process
, handle
,
406 access
, &process_ops
);
409 /* find a dll from its base address */
410 static inline struct process_dll
*find_process_dll( struct process
*process
, void *base
)
412 struct process_dll
*dll
;
414 LIST_FOR_EACH_ENTRY( dll
, &process
->dlls
, struct process_dll
, entry
)
416 if (dll
->base
== base
) return dll
;
421 /* add a dll to a process list */
422 static struct process_dll
*process_load_dll( struct process
*process
, struct file
*file
,
423 void *base
, const WCHAR
*filename
, size_t name_len
)
425 struct process_dll
*dll
;
427 /* make sure we don't already have one with the same base address */
428 if (find_process_dll( process
, base
))
430 set_error( STATUS_INVALID_PARAMETER
);
434 if ((dll
= mem_alloc( sizeof(*dll
) )))
438 dll
->filename
= NULL
;
439 dll
->namelen
= name_len
;
440 if (name_len
&& !(dll
->filename
= memdup( filename
, name_len
)))
445 if (file
) dll
->file
= (struct file
*)grab_object( file
);
446 list_add_tail( &process
->dlls
, &dll
->entry
);
451 /* remove a dll from a process list */
452 static void process_unload_dll( struct process
*process
, void *base
)
454 struct process_dll
*dll
= find_process_dll( process
, base
);
456 if (dll
&& (&dll
->entry
!= list_head( &process
->dlls
))) /* main exe can't be unloaded */
458 if (dll
->file
) release_object( dll
->file
);
459 if (dll
->filename
) free( dll
->filename
);
460 list_remove( &dll
->entry
);
462 generate_debug_event( current
, UNLOAD_DLL_DEBUG_EVENT
, base
);
464 else set_error( STATUS_INVALID_PARAMETER
);
467 /* kill all processes */
468 void kill_all_processes( struct process
*skip
, int exit_code
)
472 struct process
*process
;
474 LIST_FOR_EACH_ENTRY( process
, &process_list
, struct process
, entry
)
476 if (process
== skip
) continue;
477 if (process
->running_threads
) break;
479 if (&process
->entry
== &process_list
) break; /* no process found */
480 kill_process( process
, NULL
, exit_code
);
484 /* kill all processes being attached to a console renderer */
485 void kill_console_processes( struct thread
*renderer
, int exit_code
)
487 for (;;) /* restart from the beginning of the list every time */
489 struct process
*process
;
491 /* find the first process being attached to 'renderer' and still running */
492 LIST_FOR_EACH_ENTRY( process
, &process_list
, struct process
, entry
)
494 if (process
== renderer
->process
) continue;
495 if (!process
->running_threads
) continue;
496 if (process
->console
&& process
->console
->renderer
== renderer
) break;
498 if (&process
->entry
== &process_list
) break; /* no process found */
499 kill_process( process
, NULL
, exit_code
);
503 /* a process has been killed (i.e. its last thread died) */
504 static void process_killed( struct process
*process
)
506 struct handle_table
*handles
;
509 assert( list_empty( &process
->thread_list
));
510 gettimeofday( &process
->end_time
, NULL
);
511 close_process_desktop( process
);
512 handles
= process
->handles
;
513 process
->handles
= NULL
;
514 if (handles
) release_object( handles
);
516 /* close the console attached to this process, if any */
517 free_console( process
);
519 while ((ptr
= list_head( &process
->dlls
)))
521 struct process_dll
*dll
= LIST_ENTRY( ptr
, struct process_dll
, entry
);
522 if (dll
->file
) release_object( dll
->file
);
523 if (dll
->filename
) free( dll
->filename
);
524 list_remove( &dll
->entry
);
527 destroy_process_classes( process
);
528 remove_process_locks( process
);
529 set_process_startup_state( process
, STARTUP_ABORTED
);
530 wake_up( &process
->obj
, 0 );
531 if (!--running_processes
) close_master_socket();
534 /* add a thread to a process running threads list */
535 void add_process_thread( struct process
*process
, struct thread
*thread
)
537 list_add_head( &process
->thread_list
, &thread
->proc_entry
);
538 if (!process
->running_threads
++) running_processes
++;
539 grab_object( thread
);
542 /* remove a thread from a process running threads list */
543 void remove_process_thread( struct process
*process
, struct thread
*thread
)
545 assert( process
->running_threads
> 0 );
546 assert( !list_empty( &process
->thread_list
));
548 list_remove( &thread
->proc_entry
);
550 if (!--process
->running_threads
)
552 /* we have removed the last running thread, exit the process */
553 process
->exit_code
= thread
->exit_code
;
554 generate_debug_event( thread
, EXIT_PROCESS_DEBUG_EVENT
, process
);
555 process_killed( process
);
557 else generate_debug_event( thread
, EXIT_THREAD_DEBUG_EVENT
, thread
);
558 release_object( thread
);
561 /* suspend all the threads of a process */
562 void suspend_process( struct process
*process
)
564 if (!process
->suspend
++)
566 struct list
*ptr
, *next
;
568 LIST_FOR_EACH_SAFE( ptr
, next
, &process
->thread_list
)
570 struct thread
*thread
= LIST_ENTRY( ptr
, struct thread
, proc_entry
);
571 if (!thread
->suspend
) stop_thread( thread
);
576 /* resume all the threads of a process */
577 void resume_process( struct process
*process
)
579 assert (process
->suspend
> 0);
580 if (!--process
->suspend
)
582 struct list
*ptr
, *next
;
584 LIST_FOR_EACH_SAFE( ptr
, next
, &process
->thread_list
)
586 struct thread
*thread
= LIST_ENTRY( ptr
, struct thread
, proc_entry
);
587 if (!thread
->suspend
) wake_thread( thread
);
592 /* kill a process on the spot */
593 void kill_process( struct process
*process
, struct thread
*skip
, int exit_code
)
595 struct list
*ptr
, *next
;
597 LIST_FOR_EACH_SAFE( ptr
, next
, &process
->thread_list
)
599 struct thread
*thread
= LIST_ENTRY( ptr
, struct thread
, proc_entry
);
601 if (exit_code
) thread
->exit_code
= exit_code
;
602 if (thread
!= skip
) kill_thread( thread
, 1 );
606 /* kill all processes being debugged by a given thread */
607 void kill_debugged_processes( struct thread
*debugger
, int exit_code
)
609 for (;;) /* restart from the beginning of the list every time */
611 struct process
*process
;
613 /* find the first process being debugged by 'debugger' and still running */
614 LIST_FOR_EACH_ENTRY( process
, &process_list
, struct process
, entry
)
616 if (!process
->running_threads
) continue;
617 if (process
->debugger
== debugger
) break;
619 if (&process
->entry
== &process_list
) break; /* no process found */
620 process
->debugger
= NULL
;
621 kill_process( process
, NULL
, exit_code
);
626 /* trigger a breakpoint event in a given process */
627 void break_process( struct process
*process
)
629 struct thread
*thread
;
631 suspend_process( process
);
633 LIST_FOR_EACH_ENTRY( thread
, &process
->thread_list
, struct thread
, proc_entry
)
635 if (thread
->context
) /* inside an exception event already */
637 break_thread( thread
);
641 if ((thread
= get_process_first_thread( process
))) thread
->debug_break
= 1;
642 else set_error( STATUS_ACCESS_DENIED
);
644 resume_process( process
);
648 /* detach a debugger from all its debuggees */
649 void detach_debugged_processes( struct thread
*debugger
)
651 struct process
*process
;
653 LIST_FOR_EACH_ENTRY( process
, &process_list
, struct process
, entry
)
655 if (process
->debugger
== debugger
&& process
->running_threads
)
657 debugger_detach( process
, debugger
);
663 void enum_processes( int (*cb
)(struct process
*, void*), void *user
)
665 struct list
*ptr
, *next
;
667 LIST_FOR_EACH_SAFE( ptr
, next
, &process_list
)
669 struct process
*process
= LIST_ENTRY( ptr
, struct process
, entry
);
670 if ((cb
)(process
, user
)) break;
674 /* set the debugged flag in the process PEB */
675 int set_process_debug_flag( struct process
*process
, int flag
)
677 char data
= (flag
!= 0);
679 /* BeingDebugged flag is the byte at offset 2 in the PEB */
680 return write_process_memory( process
, (char *)process
->peb
+ 2, 1, &data
);
683 /* take a snapshot of currently running processes */
684 struct process_snapshot
*process_snap( int *count
)
686 struct process_snapshot
*snapshot
, *ptr
;
687 struct process
*process
;
688 if (!running_processes
) return NULL
;
689 if (!(snapshot
= mem_alloc( sizeof(*snapshot
) * running_processes
)))
692 LIST_FOR_EACH_ENTRY( process
, &process_list
, struct process
, entry
)
694 if (!process
->running_threads
) continue;
695 ptr
->process
= process
;
696 ptr
->threads
= process
->running_threads
;
697 ptr
->count
= process
->obj
.refcount
;
698 ptr
->priority
= process
->priority
;
699 ptr
->handles
= get_handle_table_count(process
);
700 grab_object( process
);
703 *count
= running_processes
;
707 /* take a snapshot of the modules of a process */
708 struct module_snapshot
*module_snap( struct process
*process
, int *count
)
710 struct module_snapshot
*snapshot
, *ptr
;
711 struct process_dll
*dll
;
714 LIST_FOR_EACH_ENTRY( dll
, &process
->dlls
, struct process_dll
, entry
) total
++;
715 if (!(snapshot
= mem_alloc( sizeof(*snapshot
) * total
))) return NULL
;
718 LIST_FOR_EACH_ENTRY( dll
, &process
->dlls
, struct process_dll
, entry
)
720 ptr
->base
= dll
->base
;
721 ptr
->size
= dll
->size
;
722 ptr
->namelen
= dll
->namelen
;
723 ptr
->filename
= memdup( dll
->filename
, dll
->namelen
);
731 /* create a new process */
732 DECL_HANDLER(new_process
)
734 struct startup_info
*info
;
735 struct thread
*thread
;
736 struct process
*process
;
737 struct process
*parent
= current
->process
;
738 int socket_fd
= thread_get_inflight_fd( current
, req
->socket_fd
);
742 set_error( STATUS_INVALID_PARAMETER
);
745 if (fcntl( socket_fd
, F_SETFL
, O_NONBLOCK
) == -1)
747 set_error( STATUS_INVALID_HANDLE
);
752 /* build the startup info for a new process */
753 if (!(info
= alloc_object( &startup_info_ops
))) return;
754 info
->hstdin
= req
->hstdin
;
755 info
->hstdout
= req
->hstdout
;
756 info
->hstderr
= req
->hstderr
;
757 info
->exe_file
= NULL
;
758 info
->process
= NULL
;
759 info
->data_size
= get_req_data_size();
763 !(info
->exe_file
= get_file_obj( current
->process
, req
->exe_file
, FILE_READ_DATA
)))
766 if (!(info
->data
= memdup( get_req_data(), info
->data_size
))) goto done
;
768 if (!(thread
= create_process( socket_fd
, current
, req
->inherit_all
))) goto done
;
769 process
= thread
->process
;
770 process
->create_flags
= req
->create_flags
;
771 process
->startup_info
= (struct startup_info
*)grab_object( info
);
773 /* connect to the window station */
774 connect_process_winstation( process
, current
);
776 /* thread will be actually suspended in init_done */
777 if (req
->create_flags
& CREATE_SUSPENDED
) thread
->suspend
++;
779 /* set the process console */
780 if (!(req
->create_flags
& (DETACHED_PROCESS
| CREATE_NEW_CONSOLE
)))
782 /* FIXME: some better error checking should be done...
783 * like if hConOut and hConIn are console handles, then they should be on the same
786 inherit_console( current
, process
, req
->inherit_all
? req
->hstdin
: 0 );
789 if (!req
->inherit_all
&& !(req
->create_flags
& CREATE_NEW_CONSOLE
))
791 info
->hstdin
= duplicate_handle( parent
, req
->hstdin
, process
,
792 0, OBJ_INHERIT
, DUPLICATE_SAME_ACCESS
);
793 info
->hstdout
= duplicate_handle( parent
, req
->hstdout
, process
,
794 0, OBJ_INHERIT
, DUPLICATE_SAME_ACCESS
);
795 info
->hstderr
= duplicate_handle( parent
, req
->hstderr
, process
,
796 0, OBJ_INHERIT
, DUPLICATE_SAME_ACCESS
);
797 /* some handles above may have been invalid; this is not an error */
798 if (get_error() == STATUS_INVALID_HANDLE
||
799 get_error() == STATUS_OBJECT_TYPE_MISMATCH
) clear_error();
802 /* attach to the debugger if requested */
803 if (req
->create_flags
& (DEBUG_PROCESS
| DEBUG_ONLY_THIS_PROCESS
))
804 set_process_debugger( process
, current
);
805 else if (parent
->debugger
&& !(parent
->create_flags
& DEBUG_ONLY_THIS_PROCESS
))
806 set_process_debugger( process
, parent
->debugger
);
808 if (!(req
->create_flags
& CREATE_NEW_PROCESS_GROUP
))
809 process
->group_id
= parent
->group_id
;
811 info
->process
= (struct process
*)grab_object( process
);
812 reply
->info
= alloc_handle( current
->process
, info
, SYNCHRONIZE
, 0 );
813 reply
->pid
= get_process_id( process
);
814 reply
->tid
= get_thread_id( thread
);
815 reply
->phandle
= alloc_handle( parent
, process
, req
->process_access
, req
->process_attr
);
816 reply
->thandle
= alloc_handle( parent
, thread
, req
->thread_access
, req
->thread_attr
);
819 release_object( info
);
822 /* Retrieve information about a newly started process */
823 DECL_HANDLER(get_new_process_info
)
825 struct startup_info
*info
;
827 if ((info
= (struct startup_info
*)get_handle_obj( current
->process
, req
->info
,
828 0, &startup_info_ops
)))
830 reply
->success
= is_process_init_done( info
->process
);
831 reply
->exit_code
= info
->process
->exit_code
;
832 release_object( info
);
836 /* Retrieve the new process startup info */
837 DECL_HANDLER(get_startup_info
)
839 struct process
*process
= current
->process
;
840 struct startup_info
*info
= process
->startup_info
;
845 if (info
->exe_file
&&
846 !(reply
->exe_file
= alloc_handle( process
, info
->exe_file
, GENERIC_READ
, 0 ))) return;
848 reply
->hstdin
= info
->hstdin
;
849 reply
->hstdout
= info
->hstdout
;
850 reply
->hstderr
= info
->hstderr
;
852 /* we return the data directly without making a copy so this can only be called once */
853 size
= info
->data_size
;
854 if (size
> get_reply_max_size()) size
= get_reply_max_size();
855 set_reply_data_ptr( info
->data
, size
);
860 /* signal the end of the process initialization */
861 DECL_HANDLER(init_process_done
)
863 struct process_dll
*dll
;
864 struct process
*process
= current
->process
;
866 if (is_process_init_done(process
))
868 set_error( STATUS_INVALID_PARAMETER
);
871 if (!(dll
= find_process_dll( process
, req
->module
)))
873 set_error( STATUS_DLL_NOT_FOUND
);
877 /* main exe is the first in the dll list */
878 list_remove( &dll
->entry
);
879 list_add_head( &process
->dlls
, &dll
->entry
);
881 generate_startup_debug_events( process
, req
->entry
);
882 set_process_startup_state( process
, STARTUP_DONE
);
884 if (req
->gui
) process
->idle_event
= create_event( NULL
, NULL
, 0, 1, 0 );
885 if (current
->suspend
+ process
->suspend
> 0) stop_thread( current
);
886 if (process
->debugger
) set_process_debug_flag( process
, 1 );
889 /* open a handle to a process */
890 DECL_HANDLER(open_process
)
892 struct process
*process
= get_process_from_id( req
->pid
);
896 reply
->handle
= alloc_handle( current
->process
, process
, req
->access
, req
->attributes
);
897 release_object( process
);
901 /* terminate a process */
902 DECL_HANDLER(terminate_process
)
904 struct process
*process
;
906 if ((process
= get_process_from_handle( req
->handle
, PROCESS_TERMINATE
)))
908 reply
->self
= (current
->process
== process
);
909 kill_process( process
, current
, req
->exit_code
);
910 release_object( process
);
914 /* fetch information about a process */
915 DECL_HANDLER(get_process_info
)
917 struct process
*process
;
919 if ((process
= get_process_from_handle( req
->handle
, PROCESS_QUERY_INFORMATION
)))
921 reply
->pid
= get_process_id( process
);
922 reply
->ppid
= process
->parent
? get_process_id( process
->parent
) : 0;
923 reply
->exit_code
= process
->exit_code
;
924 reply
->priority
= process
->priority
;
925 reply
->affinity
= process
->affinity
;
926 reply
->peb
= process
->peb
;
927 release_object( process
);
931 /* set information about a process */
932 DECL_HANDLER(set_process_info
)
934 struct process
*process
;
936 if ((process
= get_process_from_handle( req
->handle
, PROCESS_SET_INFORMATION
)))
938 if (req
->mask
& SET_PROCESS_INFO_PRIORITY
) process
->priority
= req
->priority
;
939 if (req
->mask
& SET_PROCESS_INFO_AFFINITY
)
941 if (req
->affinity
!= 1) set_error( STATUS_INVALID_PARAMETER
);
942 else process
->affinity
= req
->affinity
;
944 release_object( process
);
948 /* read data from a process address space */
949 DECL_HANDLER(read_process_memory
)
951 struct process
*process
;
952 size_t len
= get_reply_max_size();
954 if (!(process
= get_process_from_handle( req
->handle
, PROCESS_VM_READ
))) return;
958 char *buffer
= mem_alloc( len
);
961 if (read_process_memory( process
, req
->addr
, len
, buffer
))
962 set_reply_data_ptr( buffer
, len
);
967 release_object( process
);
970 /* write data to a process address space */
971 DECL_HANDLER(write_process_memory
)
973 struct process
*process
;
975 if ((process
= get_process_from_handle( req
->handle
, PROCESS_VM_WRITE
)))
977 size_t len
= get_req_data_size();
978 if (len
) write_process_memory( process
, req
->addr
, len
, get_req_data() );
979 else set_error( STATUS_INVALID_PARAMETER
);
980 release_object( process
);
984 /* notify the server that a dll has been loaded */
985 DECL_HANDLER(load_dll
)
987 struct process_dll
*dll
;
988 struct file
*file
= NULL
;
990 if (req
->handle
&& !(file
= get_file_obj( current
->process
, req
->handle
, FILE_READ_DATA
)))
993 if ((dll
= process_load_dll( current
->process
, file
, req
->base
,
994 get_req_data(), get_req_data_size() )))
996 dll
->size
= req
->size
;
997 dll
->dbg_offset
= req
->dbg_offset
;
998 dll
->dbg_size
= req
->dbg_size
;
999 dll
->name
= req
->name
;
1000 /* only generate event if initialization is done */
1001 if (is_process_init_done( current
->process
))
1002 generate_debug_event( current
, LOAD_DLL_DEBUG_EVENT
, dll
);
1004 if (file
) release_object( file
);
1007 /* notify the server that a dll is being unloaded */
1008 DECL_HANDLER(unload_dll
)
1010 process_unload_dll( current
->process
, req
->base
);
1013 /* retrieve information about a module in a process */
1014 DECL_HANDLER(get_dll_info
)
1016 struct process
*process
;
1018 if ((process
= get_process_from_handle( req
->handle
, PROCESS_QUERY_INFORMATION
)))
1020 struct process_dll
*dll
= find_process_dll( process
, req
->base_address
);
1024 reply
->size
= dll
->size
;
1025 reply
->entry_point
= NULL
; /* FIXME */
1028 size_t len
= min( dll
->namelen
, get_reply_max_size() );
1029 set_reply_data( dll
->filename
, len
);
1033 set_error( STATUS_DLL_NOT_FOUND
);
1035 release_object( process
);
1039 /* wait for a process to start waiting on input */
1040 /* FIXME: only returns event for now, wait is done in the client */
1041 DECL_HANDLER(wait_input_idle
)
1043 struct process
*process
;
1046 if ((process
= get_process_from_handle( req
->handle
, PROCESS_QUERY_INFORMATION
)))
1048 if (process
->idle_event
&& process
!= current
->process
)
1049 reply
->event
= alloc_handle( current
->process
, process
->idle_event
,
1050 EVENT_ALL_ACCESS
, 0 );
1051 release_object( process
);