2 * Server-side process management
4 * Copyright (C) 1998 Alexandre Julliard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 #include "wine/port.h"
32 #ifdef HAVE_SYS_SOCKET_H
33 # include <sys/socket.h>
41 #define WIN32_NO_STATUS
52 /* process structure */
54 static struct list process_list
= LIST_INIT(process_list
);
55 static int running_processes
;
57 /* process operations */
59 static void process_dump( struct object
*obj
, int verbose
);
60 static int process_signaled( struct object
*obj
, struct thread
*thread
);
61 static unsigned int process_map_access( struct object
*obj
, unsigned int access
);
62 static void process_poll_event( struct fd
*fd
, int event
);
63 static void process_destroy( struct object
*obj
);
65 static const struct object_ops process_ops
=
67 sizeof(struct process
), /* size */
68 process_dump
, /* dump */
69 add_queue
, /* add_queue */
70 remove_queue
, /* remove_queue */
71 process_signaled
, /* signaled */
72 no_satisfied
, /* satisfied */
73 no_signal
, /* signal */
74 no_get_fd
, /* get_fd */
75 process_map_access
, /* map_access */
76 no_lookup_name
, /* lookup_name */
77 no_open_file
, /* open_file */
78 no_close_handle
, /* close_handle */
79 process_destroy
/* destroy */
82 static const struct fd_ops process_fd_ops
=
84 NULL
, /* get_poll_events */
85 process_poll_event
, /* poll_event */
87 NULL
, /* get_fd_type */
89 NULL
, /* queue_async */
90 NULL
, /* reselect_async */
91 NULL
/* cancel async */
94 /* process startup info */
98 struct object obj
; /* object header */
99 obj_handle_t hstdin
; /* handle for stdin */
100 obj_handle_t hstdout
; /* handle for stdout */
101 obj_handle_t hstderr
; /* handle for stderr */
102 struct file
*exe_file
; /* file handle for main exe */
103 struct process
*process
; /* created process */
104 data_size_t data_size
; /* size of startup data */
105 void *data
; /* data for startup info */
108 static void startup_info_dump( struct object
*obj
, int verbose
);
109 static int startup_info_signaled( struct object
*obj
, struct thread
*thread
);
110 static void startup_info_destroy( struct object
*obj
);
112 static const struct object_ops startup_info_ops
=
114 sizeof(struct startup_info
), /* size */
115 startup_info_dump
, /* dump */
116 add_queue
, /* add_queue */
117 remove_queue
, /* remove_queue */
118 startup_info_signaled
, /* signaled */
119 no_satisfied
, /* satisfied */
120 no_signal
, /* signal */
121 no_get_fd
, /* get_fd */
122 no_map_access
, /* map_access */
123 no_lookup_name
, /* lookup_name */
124 no_open_file
, /* open_file */
125 no_close_handle
, /* close_handle */
126 startup_info_destroy
/* destroy */
132 void *ptr
; /* entry ptr */
133 unsigned int next
; /* next free entry */
136 static struct ptid_entry
*ptid_entries
; /* array of ptid entries */
137 static unsigned int used_ptid_entries
; /* number of entries in use */
138 static unsigned int alloc_ptid_entries
; /* number of allocated entries */
139 static unsigned int next_free_ptid
; /* next free entry */
140 static unsigned int last_free_ptid
; /* last free entry */
142 #define PTID_OFFSET 8 /* offset for first ptid value */
144 /* allocate a new process or thread id */
145 unsigned int alloc_ptid( void *ptr
)
147 struct ptid_entry
*entry
;
150 if (used_ptid_entries
< alloc_ptid_entries
)
152 id
= used_ptid_entries
+ PTID_OFFSET
;
153 entry
= &ptid_entries
[used_ptid_entries
++];
155 else if (next_free_ptid
)
158 entry
= &ptid_entries
[id
- PTID_OFFSET
];
159 if (!(next_free_ptid
= entry
->next
)) last_free_ptid
= 0;
161 else /* need to grow the array */
163 unsigned int count
= alloc_ptid_entries
+ (alloc_ptid_entries
/ 2);
164 if (!count
) count
= 64;
165 if (!(entry
= realloc( ptid_entries
, count
* sizeof(*entry
) )))
167 set_error( STATUS_NO_MEMORY
);
170 ptid_entries
= entry
;
171 alloc_ptid_entries
= count
;
172 id
= used_ptid_entries
+ PTID_OFFSET
;
173 entry
= &ptid_entries
[used_ptid_entries
++];
180 /* free a process or thread id */
181 void free_ptid( unsigned int id
)
183 struct ptid_entry
*entry
= &ptid_entries
[id
- PTID_OFFSET
];
188 /* append to end of free list so that we don't reuse it too early */
189 if (last_free_ptid
) ptid_entries
[last_free_ptid
- PTID_OFFSET
].next
= id
;
190 else next_free_ptid
= id
;
195 /* retrieve the pointer corresponding to a process or thread id */
196 void *get_ptid_entry( unsigned int id
)
198 if (id
< PTID_OFFSET
) return NULL
;
199 if (id
- PTID_OFFSET
>= used_ptid_entries
) return NULL
;
200 return ptid_entries
[id
- PTID_OFFSET
].ptr
;
203 /* return the main thread of the process */
204 struct thread
*get_process_first_thread( struct process
*process
)
206 struct list
*ptr
= list_head( &process
->thread_list
);
207 if (!ptr
) return NULL
;
208 return LIST_ENTRY( ptr
, struct thread
, proc_entry
);
211 /* set the state of the process startup info */
212 static void set_process_startup_state( struct process
*process
, enum startup_state state
)
214 if (process
->startup_state
== STARTUP_IN_PROGRESS
) process
->startup_state
= state
;
215 if (process
->startup_info
)
217 wake_up( &process
->startup_info
->obj
, 0 );
218 release_object( process
->startup_info
);
219 process
->startup_info
= NULL
;
223 /* final cleanup once we are sure a process is really dead */
224 static void process_died( struct process
*process
)
226 if (debug_level
) fprintf( stderr
, "%04x: *process killed*\n", process
->id
);
227 release_object( process
);
228 if (!--running_processes
) close_master_socket();
231 /* callback for process sigkill timeout */
232 static void process_sigkill( void *private )
234 struct process
*process
= private;
236 process
->sigkill_timeout
= NULL
;
237 kill( process
->unix_pid
, SIGKILL
);
238 process_died( process
);
241 /* start the sigkill timer for a process upon exit */
242 static void start_sigkill_timer( struct process
*process
)
244 grab_object( process
);
245 if (process
->unix_pid
!= -1 && process
->msg_fd
)
246 process
->sigkill_timeout
= add_timeout_user( -TICKS_PER_SEC
, process_sigkill
, process
);
248 process_died( process
);
251 /* create a new process and its main thread */
252 /* if the function fails the fd is closed */
253 struct thread
*create_process( int fd
, struct thread
*parent_thread
, int inherit_all
)
255 struct process
*process
;
256 struct thread
*thread
= NULL
;
259 if (!(process
= alloc_object( &process_ops
)))
264 process
->parent
= NULL
;
265 process
->debugger
= NULL
;
266 process
->handles
= NULL
;
267 process
->msg_fd
= NULL
;
268 process
->sigkill_timeout
= NULL
;
269 process
->unix_pid
= -1;
270 process
->exit_code
= STILL_ACTIVE
;
271 process
->running_threads
= 0;
272 process
->priority
= PROCESS_PRIOCLASS_NORMAL
;
273 process
->affinity
= 1;
274 process
->suspend
= 0;
275 process
->create_flags
= 0;
276 process
->console
= NULL
;
277 process
->startup_state
= STARTUP_IN_PROGRESS
;
278 process
->startup_info
= NULL
;
279 process
->idle_event
= NULL
;
280 process
->queue
= NULL
;
282 process
->ldt_copy
= NULL
;
283 process
->winstation
= 0;
284 process
->desktop
= 0;
285 process
->token
= NULL
;
286 process
->trace_data
= 0;
287 list_init( &process
->thread_list
);
288 list_init( &process
->locks
);
289 list_init( &process
->classes
);
290 list_init( &process
->dlls
);
292 process
->start_time
= current_time
;
293 process
->end_time
= 0;
294 list_add_head( &process_list
, &process
->entry
);
296 if (!(process
->id
= process
->group_id
= alloc_ptid( process
)))
301 if (!(process
->msg_fd
= create_anonymous_fd( &process_fd_ops
, fd
, &process
->obj
, 0 ))) goto error
;
303 /* create the handle table */
306 process
->handles
= alloc_handle_table( process
, 0 );
307 process
->token
= token_create_admin();
311 struct process
*parent
= parent_thread
->process
;
312 process
->parent
= (struct process
*)grab_object( parent
);
313 process
->handles
= inherit_all
? copy_handle_table( process
, parent
)
314 : alloc_handle_table( process
, 0 );
315 /* Note: for security reasons, starting a new process does not attempt
316 * to use the current impersonation token for the new process */
317 process
->token
= token_duplicate( parent
->token
, TRUE
, 0 );
319 if (!process
->handles
|| !process
->token
) goto error
;
321 /* create the main thread */
322 if (pipe( request_pipe
) == -1)
327 if (send_client_fd( process
, request_pipe
[1], 0 ) == -1)
329 close( request_pipe
[0] );
330 close( request_pipe
[1] );
333 close( request_pipe
[1] );
334 if (!(thread
= create_thread( request_pipe
[0], process
))) goto error
;
336 set_fd_events( process
->msg_fd
, POLLIN
); /* start listening to events */
337 release_object( process
);
341 if (process
) release_object( process
);
342 /* if we failed to start our first process, close everything down */
343 if (!running_processes
) close_master_socket();
347 /* initialize the current process and fill in the request */
348 data_size_t
init_process( struct thread
*thread
)
350 struct process
*process
= thread
->process
;
351 struct startup_info
*info
= process
->startup_info
;
353 init_process_tracing( process
);
355 return info
->data_size
;
358 /* destroy a process when its refcount is 0 */
359 static void process_destroy( struct object
*obj
)
361 struct process
*process
= (struct process
*)obj
;
362 assert( obj
->ops
== &process_ops
);
364 /* we can't have a thread remaining */
365 assert( list_empty( &process
->thread_list
));
367 assert( !process
->sigkill_timeout
); /* timeout should hold a reference to the process */
369 set_process_startup_state( process
, STARTUP_ABORTED
);
370 if (process
->console
) release_object( process
->console
);
371 if (process
->parent
) release_object( process
->parent
);
372 if (process
->msg_fd
) release_object( process
->msg_fd
);
373 list_remove( &process
->entry
);
374 if (process
->idle_event
) release_object( process
->idle_event
);
375 if (process
->queue
) release_object( process
->queue
);
376 if (process
->id
) free_ptid( process
->id
);
377 if (process
->token
) release_object( process
->token
);
380 /* dump a process on stdout for debugging purposes */
381 static void process_dump( struct object
*obj
, int verbose
)
383 struct process
*process
= (struct process
*)obj
;
384 assert( obj
->ops
== &process_ops
);
386 fprintf( stderr
, "Process id=%04x handles=%p\n", process
->id
, process
->handles
);
389 static int process_signaled( struct object
*obj
, struct thread
*thread
)
391 struct process
*process
= (struct process
*)obj
;
392 return !process
->running_threads
;
395 static unsigned int process_map_access( struct object
*obj
, unsigned int access
)
397 if (access
& GENERIC_READ
) access
|= STANDARD_RIGHTS_READ
| SYNCHRONIZE
;
398 if (access
& GENERIC_WRITE
) access
|= STANDARD_RIGHTS_WRITE
| SYNCHRONIZE
;
399 if (access
& GENERIC_EXECUTE
) access
|= STANDARD_RIGHTS_EXECUTE
;
400 if (access
& GENERIC_ALL
) access
|= PROCESS_ALL_ACCESS
;
401 return access
& ~(GENERIC_READ
| GENERIC_WRITE
| GENERIC_EXECUTE
| GENERIC_ALL
);
404 static void process_poll_event( struct fd
*fd
, int event
)
406 struct process
*process
= get_fd_user( fd
);
407 assert( process
->obj
.ops
== &process_ops
);
409 if (event
& (POLLERR
| POLLHUP
))
411 release_object( process
->msg_fd
);
412 process
->msg_fd
= NULL
;
413 if (process
->sigkill_timeout
) /* already waiting for it to die */
415 remove_timeout_user( process
->sigkill_timeout
);
416 process
->sigkill_timeout
= NULL
;
417 process_died( process
);
419 else kill_process( process
, 0 );
421 else if (event
& POLLIN
) receive_fd( process
);
424 static void startup_info_destroy( struct object
*obj
)
426 struct startup_info
*info
= (struct startup_info
*)obj
;
427 assert( obj
->ops
== &startup_info_ops
);
429 if (info
->exe_file
) release_object( info
->exe_file
);
430 if (info
->process
) release_object( info
->process
);
433 static void startup_info_dump( struct object
*obj
, int verbose
)
435 struct startup_info
*info
= (struct startup_info
*)obj
;
436 assert( obj
->ops
== &startup_info_ops
);
438 fprintf( stderr
, "Startup info in=%p out=%p err=%p\n",
439 info
->hstdin
, info
->hstdout
, info
->hstderr
);
442 static int startup_info_signaled( struct object
*obj
, struct thread
*thread
)
444 struct startup_info
*info
= (struct startup_info
*)obj
;
445 return info
->process
&& info
->process
->startup_state
!= STARTUP_IN_PROGRESS
;
448 /* get a process from an id (and increment the refcount) */
449 struct process
*get_process_from_id( process_id_t id
)
451 struct object
*obj
= get_ptid_entry( id
);
453 if (obj
&& obj
->ops
== &process_ops
) return (struct process
*)grab_object( obj
);
454 set_error( STATUS_INVALID_PARAMETER
);
458 /* get a process from a handle (and increment the refcount) */
459 struct process
*get_process_from_handle( obj_handle_t handle
, unsigned int access
)
461 return (struct process
*)get_handle_obj( current
->process
, handle
,
462 access
, &process_ops
);
465 /* find a dll from its base address */
466 static inline struct process_dll
*find_process_dll( struct process
*process
, void *base
)
468 struct process_dll
*dll
;
470 LIST_FOR_EACH_ENTRY( dll
, &process
->dlls
, struct process_dll
, entry
)
472 if (dll
->base
== base
) return dll
;
477 /* add a dll to a process list */
478 static struct process_dll
*process_load_dll( struct process
*process
, struct file
*file
,
479 void *base
, const WCHAR
*filename
, data_size_t name_len
)
481 struct process_dll
*dll
;
483 /* make sure we don't already have one with the same base address */
484 if (find_process_dll( process
, base
))
486 set_error( STATUS_INVALID_PARAMETER
);
490 if ((dll
= mem_alloc( sizeof(*dll
) )))
494 dll
->filename
= NULL
;
495 dll
->namelen
= name_len
;
496 if (name_len
&& !(dll
->filename
= memdup( filename
, name_len
)))
501 if (file
) dll
->file
= grab_file_unless_removable( file
);
502 list_add_tail( &process
->dlls
, &dll
->entry
);
507 /* remove a dll from a process list */
508 static void process_unload_dll( struct process
*process
, void *base
)
510 struct process_dll
*dll
= find_process_dll( process
, base
);
512 if (dll
&& (&dll
->entry
!= list_head( &process
->dlls
))) /* main exe can't be unloaded */
514 if (dll
->file
) release_object( dll
->file
);
515 free( dll
->filename
);
516 list_remove( &dll
->entry
);
518 generate_debug_event( current
, UNLOAD_DLL_DEBUG_EVENT
, base
);
520 else set_error( STATUS_INVALID_PARAMETER
);
523 /* terminate a process with the given exit code */
524 static void terminate_process( struct process
*process
, struct thread
*skip
, int exit_code
)
528 if (skip
&& skip
->process
== process
) /* move it to the end of the list */
530 assert( skip
->state
!= TERMINATED
);
531 list_remove( &skip
->proc_entry
);
532 list_add_tail( &process
->thread_list
, &skip
->proc_entry
);
535 grab_object( process
); /* make sure it doesn't get freed when threads die */
536 while ((ptr
= list_head( &process
->thread_list
)))
538 struct thread
*thread
= LIST_ENTRY( ptr
, struct thread
, proc_entry
);
540 if (exit_code
) thread
->exit_code
= exit_code
;
541 if (thread
== skip
) break;
542 kill_thread( thread
, 1 );
544 release_object( process
);
547 /* kill all processes */
548 void kill_all_processes( struct process
*skip
, int exit_code
)
552 struct process
*process
;
554 LIST_FOR_EACH_ENTRY( process
, &process_list
, struct process
, entry
)
556 if (process
== skip
) continue;
557 if (process
->running_threads
) break;
559 if (&process
->entry
== &process_list
) break; /* no process found */
560 terminate_process( process
, NULL
, exit_code
);
564 /* kill all processes being attached to a console renderer */
565 void kill_console_processes( struct thread
*renderer
, int exit_code
)
567 for (;;) /* restart from the beginning of the list every time */
569 struct process
*process
;
571 /* find the first process being attached to 'renderer' and still running */
572 LIST_FOR_EACH_ENTRY( process
, &process_list
, struct process
, entry
)
574 if (process
== renderer
->process
) continue;
575 if (!process
->running_threads
) continue;
576 if (process
->console
&& console_get_renderer( process
->console
) == renderer
) break;
578 if (&process
->entry
== &process_list
) break; /* no process found */
579 terminate_process( process
, NULL
, exit_code
);
583 /* a process has been killed (i.e. its last thread died) */
584 static void process_killed( struct process
*process
)
586 struct handle_table
*handles
;
589 assert( list_empty( &process
->thread_list
));
590 process
->end_time
= current_time
;
591 close_process_desktop( process
);
592 handles
= process
->handles
;
593 process
->handles
= NULL
;
594 if (handles
) release_object( handles
);
596 /* close the console attached to this process, if any */
597 free_console( process
);
599 while ((ptr
= list_head( &process
->dlls
)))
601 struct process_dll
*dll
= LIST_ENTRY( ptr
, struct process_dll
, entry
);
602 if (dll
->file
) release_object( dll
->file
);
603 free( dll
->filename
);
604 list_remove( &dll
->entry
);
607 destroy_process_classes( process
);
608 remove_process_locks( process
);
609 set_process_startup_state( process
, STARTUP_ABORTED
);
610 finish_process_tracing( process
);
611 start_sigkill_timer( process
);
612 wake_up( &process
->obj
, 0 );
615 /* add a thread to a process running threads list */
616 void add_process_thread( struct process
*process
, struct thread
*thread
)
618 list_add_tail( &process
->thread_list
, &thread
->proc_entry
);
619 if (!process
->running_threads
++) running_processes
++;
620 grab_object( thread
);
623 /* remove a thread from a process running threads list */
624 void remove_process_thread( struct process
*process
, struct thread
*thread
)
626 assert( process
->running_threads
> 0 );
627 assert( !list_empty( &process
->thread_list
));
629 list_remove( &thread
->proc_entry
);
631 if (!--process
->running_threads
)
633 /* we have removed the last running thread, exit the process */
634 process
->exit_code
= thread
->exit_code
;
635 generate_debug_event( thread
, EXIT_PROCESS_DEBUG_EVENT
, process
);
636 process_killed( process
);
638 else generate_debug_event( thread
, EXIT_THREAD_DEBUG_EVENT
, thread
);
639 release_object( thread
);
642 /* suspend all the threads of a process */
643 void suspend_process( struct process
*process
)
645 if (!process
->suspend
++)
647 struct list
*ptr
, *next
;
649 LIST_FOR_EACH_SAFE( ptr
, next
, &process
->thread_list
)
651 struct thread
*thread
= LIST_ENTRY( ptr
, struct thread
, proc_entry
);
652 if (!thread
->suspend
) stop_thread( thread
);
657 /* resume all the threads of a process */
658 void resume_process( struct process
*process
)
660 assert (process
->suspend
> 0);
661 if (!--process
->suspend
)
663 struct list
*ptr
, *next
;
665 LIST_FOR_EACH_SAFE( ptr
, next
, &process
->thread_list
)
667 struct thread
*thread
= LIST_ENTRY( ptr
, struct thread
, proc_entry
);
668 if (!thread
->suspend
) wake_thread( thread
);
673 /* kill a process on the spot */
674 void kill_process( struct process
*process
, int violent_death
)
676 if (violent_death
) terminate_process( process
, NULL
, 1 );
681 grab_object( process
); /* make sure it doesn't get freed when threads die */
682 while ((ptr
= list_head( &process
->thread_list
)))
684 struct thread
*thread
= LIST_ENTRY( ptr
, struct thread
, proc_entry
);
685 kill_thread( thread
, 0 );
687 release_object( process
);
691 /* kill all processes being debugged by a given thread */
692 void kill_debugged_processes( struct thread
*debugger
, int exit_code
)
694 for (;;) /* restart from the beginning of the list every time */
696 struct process
*process
;
698 /* find the first process being debugged by 'debugger' and still running */
699 LIST_FOR_EACH_ENTRY( process
, &process_list
, struct process
, entry
)
701 if (!process
->running_threads
) continue;
702 if (process
->debugger
== debugger
) break;
704 if (&process
->entry
== &process_list
) break; /* no process found */
705 process
->debugger
= NULL
;
706 terminate_process( process
, NULL
, exit_code
);
711 /* trigger a breakpoint event in a given process */
712 void break_process( struct process
*process
)
714 struct thread
*thread
;
716 suspend_process( process
);
718 LIST_FOR_EACH_ENTRY( thread
, &process
->thread_list
, struct thread
, proc_entry
)
720 if (thread
->context
) /* inside an exception event already */
722 break_thread( thread
);
726 if ((thread
= get_process_first_thread( process
))) thread
->debug_break
= 1;
727 else set_error( STATUS_ACCESS_DENIED
);
729 resume_process( process
);
733 /* detach a debugger from all its debuggees */
734 void detach_debugged_processes( struct thread
*debugger
)
736 struct process
*process
;
738 LIST_FOR_EACH_ENTRY( process
, &process_list
, struct process
, entry
)
740 if (process
->debugger
== debugger
&& process
->running_threads
)
742 debugger_detach( process
, debugger
);
748 void enum_processes( int (*cb
)(struct process
*, void*), void *user
)
750 struct list
*ptr
, *next
;
752 LIST_FOR_EACH_SAFE( ptr
, next
, &process_list
)
754 struct process
*process
= LIST_ENTRY( ptr
, struct process
, entry
);
755 if ((cb
)(process
, user
)) break;
759 /* set the debugged flag in the process PEB */
760 int set_process_debug_flag( struct process
*process
, int flag
)
762 char data
= (flag
!= 0);
764 /* BeingDebugged flag is the byte at offset 2 in the PEB */
765 return write_process_memory( process
, (char *)process
->peb
+ 2, 1, &data
);
768 /* take a snapshot of currently running processes */
769 struct process_snapshot
*process_snap( int *count
)
771 struct process_snapshot
*snapshot
, *ptr
;
772 struct process
*process
;
774 if (!running_processes
) return NULL
;
775 if (!(snapshot
= mem_alloc( sizeof(*snapshot
) * running_processes
)))
778 LIST_FOR_EACH_ENTRY( process
, &process_list
, struct process
, entry
)
780 if (!process
->running_threads
) continue;
781 ptr
->process
= process
;
782 ptr
->threads
= process
->running_threads
;
783 ptr
->count
= process
->obj
.refcount
;
784 ptr
->priority
= process
->priority
;
785 ptr
->handles
= get_handle_table_count(process
);
786 grab_object( process
);
790 if (!(*count
= ptr
- snapshot
))
798 /* take a snapshot of the modules of a process */
799 struct module_snapshot
*module_snap( struct process
*process
, int *count
)
801 struct module_snapshot
*snapshot
, *ptr
;
802 struct process_dll
*dll
;
805 LIST_FOR_EACH_ENTRY( dll
, &process
->dlls
, struct process_dll
, entry
) total
++;
806 if (!(snapshot
= mem_alloc( sizeof(*snapshot
) * total
))) return NULL
;
809 LIST_FOR_EACH_ENTRY( dll
, &process
->dlls
, struct process_dll
, entry
)
811 ptr
->base
= dll
->base
;
812 ptr
->size
= dll
->size
;
813 ptr
->namelen
= dll
->namelen
;
814 ptr
->filename
= memdup( dll
->filename
, dll
->namelen
);
822 /* create a new process */
823 DECL_HANDLER(new_process
)
825 struct startup_info
*info
;
826 struct thread
*thread
;
827 struct process
*process
;
828 struct process
*parent
= current
->process
;
829 int socket_fd
= thread_get_inflight_fd( current
, req
->socket_fd
);
833 set_error( STATUS_INVALID_PARAMETER
);
836 if (fcntl( socket_fd
, F_SETFL
, O_NONBLOCK
) == -1)
838 set_error( STATUS_INVALID_HANDLE
);
843 /* build the startup info for a new process */
844 if (!(info
= alloc_object( &startup_info_ops
))) return;
845 info
->hstdin
= req
->hstdin
;
846 info
->hstdout
= req
->hstdout
;
847 info
->hstderr
= req
->hstderr
;
848 info
->exe_file
= NULL
;
849 info
->process
= NULL
;
850 info
->data_size
= get_req_data_size();
854 !(info
->exe_file
= get_file_obj( current
->process
, req
->exe_file
, FILE_READ_DATA
)))
857 if (!(info
->data
= memdup( get_req_data(), info
->data_size
))) goto done
;
859 if (!(thread
= create_process( socket_fd
, current
, req
->inherit_all
))) goto done
;
860 process
= thread
->process
;
861 process
->create_flags
= req
->create_flags
;
862 process
->startup_info
= (struct startup_info
*)grab_object( info
);
864 /* connect to the window station */
865 connect_process_winstation( process
, current
);
867 /* thread will be actually suspended in init_done */
868 if (req
->create_flags
& CREATE_SUSPENDED
) thread
->suspend
++;
870 /* set the process console */
871 if (!(req
->create_flags
& (DETACHED_PROCESS
| CREATE_NEW_CONSOLE
)))
873 /* FIXME: some better error checking should be done...
874 * like if hConOut and hConIn are console handles, then they should be on the same
877 inherit_console( current
, process
, req
->inherit_all
? req
->hstdin
: 0 );
880 if (!req
->inherit_all
&& !(req
->create_flags
& CREATE_NEW_CONSOLE
))
882 info
->hstdin
= duplicate_handle( parent
, req
->hstdin
, process
,
883 0, OBJ_INHERIT
, DUPLICATE_SAME_ACCESS
);
884 info
->hstdout
= duplicate_handle( parent
, req
->hstdout
, process
,
885 0, OBJ_INHERIT
, DUPLICATE_SAME_ACCESS
);
886 info
->hstderr
= duplicate_handle( parent
, req
->hstderr
, process
,
887 0, OBJ_INHERIT
, DUPLICATE_SAME_ACCESS
);
888 /* some handles above may have been invalid; this is not an error */
889 if (get_error() == STATUS_INVALID_HANDLE
||
890 get_error() == STATUS_OBJECT_TYPE_MISMATCH
) clear_error();
893 /* attach to the debugger if requested */
894 if (req
->create_flags
& (DEBUG_PROCESS
| DEBUG_ONLY_THIS_PROCESS
))
895 set_process_debugger( process
, current
);
896 else if (parent
->debugger
&& !(parent
->create_flags
& DEBUG_ONLY_THIS_PROCESS
))
897 set_process_debugger( process
, parent
->debugger
);
899 if (!(req
->create_flags
& CREATE_NEW_PROCESS_GROUP
))
900 process
->group_id
= parent
->group_id
;
902 info
->process
= (struct process
*)grab_object( process
);
903 reply
->info
= alloc_handle( current
->process
, info
, SYNCHRONIZE
, 0 );
904 reply
->pid
= get_process_id( process
);
905 reply
->tid
= get_thread_id( thread
);
906 reply
->phandle
= alloc_handle( parent
, process
, req
->process_access
, req
->process_attr
);
907 reply
->thandle
= alloc_handle( parent
, thread
, req
->thread_access
, req
->thread_attr
);
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
->success
= is_process_init_done( info
->process
);
922 reply
->exit_code
= info
->process
->exit_code
;
923 release_object( info
);
927 /* Retrieve the new process startup info */
928 DECL_HANDLER(get_startup_info
)
930 struct process
*process
= current
->process
;
931 struct startup_info
*info
= process
->startup_info
;
936 if (info
->exe_file
&&
937 !(reply
->exe_file
= alloc_handle( process
, info
->exe_file
, GENERIC_READ
, 0 ))) return;
939 reply
->hstdin
= info
->hstdin
;
940 reply
->hstdout
= info
->hstdout
;
941 reply
->hstderr
= info
->hstderr
;
943 /* we return the data directly without making a copy so this can only be called once */
944 size
= info
->data_size
;
945 if (size
> get_reply_max_size()) size
= get_reply_max_size();
946 set_reply_data_ptr( info
->data
, size
);
951 /* signal the end of the process initialization */
952 DECL_HANDLER(init_process_done
)
954 struct process_dll
*dll
;
955 struct process
*process
= current
->process
;
957 if (is_process_init_done(process
))
959 set_error( STATUS_INVALID_PARAMETER
);
962 if (!(dll
= find_process_dll( process
, req
->module
)))
964 set_error( STATUS_DLL_NOT_FOUND
);
968 /* main exe is the first in the dll list */
969 list_remove( &dll
->entry
);
970 list_add_head( &process
->dlls
, &dll
->entry
);
972 generate_startup_debug_events( process
, req
->entry
);
973 set_process_startup_state( process
, STARTUP_DONE
);
975 if (req
->gui
) process
->idle_event
= create_event( NULL
, NULL
, 0, 1, 0 );
976 if (current
->suspend
+ process
->suspend
> 0) stop_thread( current
);
977 if (process
->debugger
) set_process_debug_flag( process
, 1 );
980 /* open a handle to a process */
981 DECL_HANDLER(open_process
)
983 struct process
*process
= get_process_from_id( req
->pid
);
987 reply
->handle
= alloc_handle( current
->process
, process
, req
->access
, req
->attributes
);
988 release_object( process
);
992 /* terminate a process */
993 DECL_HANDLER(terminate_process
)
995 struct process
*process
;
997 if ((process
= get_process_from_handle( req
->handle
, PROCESS_TERMINATE
)))
999 reply
->self
= (current
->process
== process
);
1000 terminate_process( process
, current
, req
->exit_code
);
1001 release_object( process
);
1005 /* fetch information about a process */
1006 DECL_HANDLER(get_process_info
)
1008 struct process
*process
;
1010 if ((process
= get_process_from_handle( req
->handle
, PROCESS_QUERY_INFORMATION
)))
1012 reply
->pid
= get_process_id( process
);
1013 reply
->ppid
= process
->parent
? get_process_id( process
->parent
) : 0;
1014 reply
->exit_code
= process
->exit_code
;
1015 reply
->priority
= process
->priority
;
1016 reply
->affinity
= process
->affinity
;
1017 reply
->peb
= process
->peb
;
1018 reply
->start_time
= process
->start_time
;
1019 reply
->end_time
= process
->end_time
;
1020 release_object( process
);
1024 /* set information about a process */
1025 DECL_HANDLER(set_process_info
)
1027 struct process
*process
;
1029 if ((process
= get_process_from_handle( req
->handle
, PROCESS_SET_INFORMATION
)))
1031 if (req
->mask
& SET_PROCESS_INFO_PRIORITY
) process
->priority
= req
->priority
;
1032 if (req
->mask
& SET_PROCESS_INFO_AFFINITY
)
1034 if (req
->affinity
!= 1) set_error( STATUS_INVALID_PARAMETER
);
1035 else process
->affinity
= req
->affinity
;
1037 release_object( process
);
1041 /* read data from a process address space */
1042 DECL_HANDLER(read_process_memory
)
1044 struct process
*process
;
1045 data_size_t len
= get_reply_max_size();
1047 if (!(process
= get_process_from_handle( req
->handle
, PROCESS_VM_READ
))) return;
1051 char *buffer
= mem_alloc( len
);
1054 if (read_process_memory( process
, req
->addr
, len
, buffer
))
1055 set_reply_data_ptr( buffer
, len
);
1060 release_object( process
);
1063 /* write data to a process address space */
1064 DECL_HANDLER(write_process_memory
)
1066 struct process
*process
;
1068 if ((process
= get_process_from_handle( req
->handle
, PROCESS_VM_WRITE
)))
1070 data_size_t len
= get_req_data_size();
1071 if (len
) write_process_memory( process
, req
->addr
, len
, get_req_data() );
1072 else set_error( STATUS_INVALID_PARAMETER
);
1073 release_object( process
);
1077 /* notify the server that a dll has been loaded */
1078 DECL_HANDLER(load_dll
)
1080 struct process_dll
*dll
;
1081 struct file
*file
= NULL
;
1083 if (req
->handle
&& !(file
= get_file_obj( current
->process
, req
->handle
, FILE_READ_DATA
)))
1086 if ((dll
= process_load_dll( current
->process
, file
, req
->base
,
1087 get_req_data(), get_req_data_size() )))
1089 dll
->size
= req
->size
;
1090 dll
->dbg_offset
= req
->dbg_offset
;
1091 dll
->dbg_size
= req
->dbg_size
;
1092 dll
->name
= req
->name
;
1093 /* only generate event if initialization is done */
1094 if (is_process_init_done( current
->process
))
1095 generate_debug_event( current
, LOAD_DLL_DEBUG_EVENT
, dll
);
1097 if (file
) release_object( file
);
1100 /* notify the server that a dll is being unloaded */
1101 DECL_HANDLER(unload_dll
)
1103 process_unload_dll( current
->process
, req
->base
);
1106 /* retrieve information about a module in a process */
1107 DECL_HANDLER(get_dll_info
)
1109 struct process
*process
;
1111 if ((process
= get_process_from_handle( req
->handle
, PROCESS_QUERY_INFORMATION
)))
1113 struct process_dll
*dll
= find_process_dll( process
, req
->base_address
);
1117 reply
->size
= dll
->size
;
1118 reply
->entry_point
= NULL
; /* FIXME */
1121 data_size_t len
= min( dll
->namelen
, get_reply_max_size() );
1122 set_reply_data( dll
->filename
, len
);
1126 set_error( STATUS_DLL_NOT_FOUND
);
1128 release_object( process
);
1132 /* retrieve the process idle event */
1133 DECL_HANDLER(get_process_idle_event
)
1135 struct process
*process
;
1138 if ((process
= get_process_from_handle( req
->handle
, PROCESS_QUERY_INFORMATION
)))
1140 if (process
->idle_event
&& process
!= current
->process
)
1141 reply
->event
= alloc_handle( current
->process
, process
->idle_event
,
1142 EVENT_ALL_ACCESS
, 0 );
1143 release_object( process
);