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"
33 #ifdef HAVE_SYS_SOCKET_H
34 # include <sys/socket.h>
42 #define WIN32_NO_STATUS
55 static struct list process_list
= LIST_INIT(process_list
);
56 static int running_processes
, user_processes
;
57 static struct event
*shutdown_event
; /* signaled when shutdown starts */
58 static struct timeout_user
*shutdown_timeout
; /* timeout for server shutdown */
59 static int shutdown_stage
; /* current stage in the shutdown process */
61 static const WCHAR process_name
[] = {'P','r','o','c','e','s','s'};
63 struct type_descr process_type
=
65 { process_name
, sizeof(process_name
) }, /* name */
66 PROCESS_ALL_ACCESS
, /* valid_access */
68 STANDARD_RIGHTS_READ
| PROCESS_VM_READ
| PROCESS_QUERY_INFORMATION
,
69 STANDARD_RIGHTS_WRITE
| PROCESS_SUSPEND_RESUME
| PROCESS_SET_INFORMATION
| PROCESS_SET_QUOTA
70 | PROCESS_CREATE_PROCESS
| PROCESS_DUP_HANDLE
| PROCESS_VM_WRITE
| PROCESS_VM_OPERATION
71 | PROCESS_CREATE_THREAD
,
72 STANDARD_RIGHTS_EXECUTE
| SYNCHRONIZE
| PROCESS_QUERY_LIMITED_INFORMATION
| PROCESS_TERMINATE
,
77 static void process_dump( struct object
*obj
, int verbose
);
78 static int process_signaled( struct object
*obj
, struct wait_queue_entry
*entry
);
79 static unsigned int process_map_access( struct object
*obj
, unsigned int access
);
80 static struct security_descriptor
*process_get_sd( struct object
*obj
);
81 static void process_poll_event( struct fd
*fd
, int event
);
82 static struct list
*process_get_kernel_obj_list( struct object
*obj
);
83 static void process_destroy( struct object
*obj
);
84 static void terminate_process( struct process
*process
, struct thread
*skip
, int exit_code
);
86 static const struct object_ops process_ops
=
88 sizeof(struct process
), /* size */
89 &process_type
, /* type */
90 process_dump
, /* dump */
91 add_queue
, /* add_queue */
92 remove_queue
, /* remove_queue */
93 process_signaled
, /* signaled */
94 no_satisfied
, /* satisfied */
95 no_signal
, /* signal */
96 no_get_fd
, /* get_fd */
97 process_map_access
, /* map_access */
98 process_get_sd
, /* get_sd */
99 default_set_sd
, /* set_sd */
100 no_get_full_name
, /* get_full_name */
101 no_lookup_name
, /* lookup_name */
102 no_link_name
, /* link_name */
103 NULL
, /* unlink_name */
104 no_open_file
, /* open_file */
105 process_get_kernel_obj_list
, /* get_kernel_obj_list */
106 no_close_handle
, /* close_handle */
107 process_destroy
/* destroy */
110 static const struct fd_ops process_fd_ops
=
112 NULL
, /* get_poll_events */
113 process_poll_event
, /* poll_event */
115 NULL
, /* get_fd_type */
117 NULL
, /* queue_async */
118 NULL
, /* reselect_async */
119 NULL
/* cancel async */
122 /* process startup info */
126 struct object obj
; /* object header */
127 struct process
*process
; /* created process */
128 data_size_t info_size
; /* size of startup info */
129 data_size_t data_size
; /* size of whole startup data */
130 startup_info_t
*data
; /* data for startup info */
133 static void startup_info_dump( struct object
*obj
, int verbose
);
134 static int startup_info_signaled( struct object
*obj
, struct wait_queue_entry
*entry
);
135 static void startup_info_destroy( struct object
*obj
);
137 static const struct object_ops startup_info_ops
=
139 sizeof(struct startup_info
), /* size */
141 startup_info_dump
, /* dump */
142 add_queue
, /* add_queue */
143 remove_queue
, /* remove_queue */
144 startup_info_signaled
, /* signaled */
145 no_satisfied
, /* satisfied */
146 no_signal
, /* signal */
147 no_get_fd
, /* get_fd */
148 default_map_access
, /* map_access */
149 default_get_sd
, /* get_sd */
150 default_set_sd
, /* set_sd */
151 no_get_full_name
, /* get_full_name */
152 no_lookup_name
, /* lookup_name */
153 no_link_name
, /* link_name */
154 NULL
, /* unlink_name */
155 no_open_file
, /* open_file */
156 no_kernel_obj_list
, /* get_kernel_obj_list */
157 no_close_handle
, /* close_handle */
158 startup_info_destroy
/* destroy */
163 static const WCHAR job_name
[] = {'J','o','b'};
165 struct type_descr job_type
=
167 { job_name
, sizeof(job_name
) }, /* name */
168 JOB_OBJECT_ALL_ACCESS
, /* valid_access */
170 STANDARD_RIGHTS_READ
| JOB_OBJECT_QUERY
,
171 STANDARD_RIGHTS_WRITE
| JOB_OBJECT_TERMINATE
| JOB_OBJECT_SET_ATTRIBUTES
| JOB_OBJECT_ASSIGN_PROCESS
,
172 STANDARD_RIGHTS_EXECUTE
| SYNCHRONIZE
,
173 JOB_OBJECT_ALL_ACCESS
177 static void job_dump( struct object
*obj
, int verbose
);
178 static int job_signaled( struct object
*obj
, struct wait_queue_entry
*entry
);
179 static int job_close_handle( struct object
*obj
, struct process
*process
, obj_handle_t handle
);
180 static void job_destroy( struct object
*obj
);
184 struct object obj
; /* object header */
185 struct list process_list
; /* list of processes */
186 int num_processes
; /* count of running processes */
187 int total_processes
; /* count of processes which have been assigned */
188 unsigned int limit_flags
; /* limit flags */
189 int terminating
; /* job is terminating */
190 int signaled
; /* job is signaled */
191 struct completion
*completion_port
; /* associated completion port */
192 apc_param_t completion_key
; /* key to send with completion messages */
194 struct list parent_job_entry
; /* list entry for parent job */
195 struct list child_job_list
; /* list of child jobs */
198 static const struct object_ops job_ops
=
200 sizeof(struct job
), /* size */
201 &job_type
, /* type */
203 add_queue
, /* add_queue */
204 remove_queue
, /* remove_queue */
205 job_signaled
, /* signaled */
206 no_satisfied
, /* satisfied */
207 no_signal
, /* signal */
208 no_get_fd
, /* get_fd */
209 default_map_access
, /* map_access */
210 default_get_sd
, /* get_sd */
211 default_set_sd
, /* set_sd */
212 default_get_full_name
, /* get_full_name */
213 no_lookup_name
, /* lookup_name */
214 directory_link_name
, /* link_name */
215 default_unlink_name
, /* unlink_name */
216 no_open_file
, /* open_file */
217 no_kernel_obj_list
, /* get_kernel_obj_list */
218 job_close_handle
, /* close_handle */
219 job_destroy
/* destroy */
222 static struct job
*create_job_object( struct object
*root
, const struct unicode_str
*name
,
223 unsigned int attr
, const struct security_descriptor
*sd
)
227 if ((job
= create_named_object( root
, &job_ops
, name
, attr
, sd
)))
229 if (get_error() != STATUS_OBJECT_NAME_EXISTS
)
231 /* initialize it if it didn't already exist */
232 list_init( &job
->process_list
);
233 list_init( &job
->child_job_list
);
234 job
->num_processes
= 0;
235 job
->total_processes
= 0;
236 job
->limit_flags
= 0;
237 job
->terminating
= 0;
239 job
->completion_port
= NULL
;
240 job
->completion_key
= 0;
247 static struct job
*get_job_obj( struct process
*process
, obj_handle_t handle
, unsigned int access
)
249 return (struct job
*)get_handle_obj( process
, handle
, access
, &job_ops
);
252 static void add_job_completion( struct job
*job
, apc_param_t msg
, apc_param_t pid
)
254 if (job
->completion_port
)
255 add_completion( job
->completion_port
, job
->completion_key
, pid
, STATUS_SUCCESS
, msg
);
258 static void add_job_completion_existing_processes( struct job
*job
, struct job
*completion_job
)
260 struct process
*process
;
263 assert( completion_job
->obj
.ops
== &job_ops
);
265 LIST_FOR_EACH_ENTRY( j
, &job
->child_job_list
, struct job
, parent_job_entry
)
267 add_job_completion_existing_processes( j
, completion_job
);
270 LIST_FOR_EACH_ENTRY( process
, &job
->process_list
, struct process
, job_entry
)
272 if (process
->running_threads
)
273 add_job_completion( completion_job
, JOB_OBJECT_MSG_NEW_PROCESS
, get_process_id( process
));
277 static int process_in_job( struct job
*job
, struct process
*process
)
281 LIST_FOR_EACH_ENTRY( j
, &job
->child_job_list
, struct job
, parent_job_entry
)
283 assert( j
->parent
== job
);
284 if (process_in_job( j
, process
)) return 1;
286 return process
->job
== job
;
289 static void add_job_process( struct job
*job
, struct process
*process
)
291 struct job
*j
, *common_parent
;
294 if (job
== process
->job
) return;
296 if ((common_parent
= process
->job
))
300 for (j
= job
->parent
; j
; j
= j
->parent
)
301 if (j
== common_parent
) break;
303 if (j
!= common_parent
)
305 /* Job already has parent and the process is not in the job's chain. */
306 set_error( STATUS_ACCESS_DENIED
);
309 /* process->job is referenced in the job->parent chain. */
310 release_object( process
->job
);
314 /* transfer reference. */
315 job
->parent
= process
->job
;
316 list_add_tail( &job
->parent
->child_job_list
, &job
->parent_job_entry
);
318 list_remove( &process
->job_entry
);
320 process
->job
= (struct job
*)grab_object( job
);
321 list_add_tail( &job
->process_list
, &process
->job_entry
);
323 pid
= get_process_id( process
);
324 for (j
= job
; j
!= common_parent
; j
= j
->parent
)
327 j
->total_processes
++;
328 add_job_completion( j
, JOB_OBJECT_MSG_NEW_PROCESS
, pid
);
332 /* called when a process has terminated, allow one additional process */
333 static void release_job_process( struct process
*process
)
335 struct job
*job
= process
->job
;
339 assert( job
->num_processes
);
340 job
->num_processes
--;
342 if (!job
->terminating
)
343 add_job_completion( job
, JOB_OBJECT_MSG_EXIT_PROCESS
, get_process_id(process
) );
345 if (!job
->num_processes
)
346 add_job_completion( job
, JOB_OBJECT_MSG_ACTIVE_PROCESS_ZERO
, 0 );
352 static void terminate_job( struct job
*job
, int exit_code
)
354 struct process
*process
, *next_process
;
355 struct job
*j
, *next_job
;
357 LIST_FOR_EACH_ENTRY_SAFE( j
, next_job
, &job
->child_job_list
, struct job
, parent_job_entry
)
359 assert( j
->parent
== job
);
362 terminate_job( j
, exit_code
);
366 job
->terminating
= 1;
367 LIST_FOR_EACH_ENTRY_SAFE( process
, next_process
, &job
->process_list
, struct process
, job_entry
)
369 assert( process
->job
== job
);
370 if (process
->running_threads
) terminate_process( process
, NULL
, exit_code
);
372 job
->terminating
= 0;
374 wake_up( &job
->obj
, 0 );
377 static int job_close_handle( struct object
*obj
, struct process
*process
, obj_handle_t handle
)
379 struct job
*job
= (struct job
*)obj
;
380 assert( obj
->ops
== &job_ops
);
382 if (obj
->handle_count
== 1) /* last handle */
384 if (job
->limit_flags
& JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE
)
385 terminate_job( job
, 0 );
390 static void job_destroy( struct object
*obj
)
392 struct job
*job
= (struct job
*)obj
;
393 assert( obj
->ops
== &job_ops
);
395 assert( !job
->num_processes
);
396 assert( list_empty( &job
->process_list
));
397 assert( list_empty( &job
->child_job_list
));
399 if (job
->completion_port
) release_object( job
->completion_port
);
402 list_remove( &job
->parent_job_entry
);
403 release_object( job
->parent
);
407 static void job_dump( struct object
*obj
, int verbose
)
409 struct job
*job
= (struct job
*)obj
;
410 assert( obj
->ops
== &job_ops
);
411 fprintf( stderr
, "Job processes=%d child_jobs=%d parent=%p\n",
412 list_count(&job
->process_list
), list_count(&job
->child_job_list
), job
->parent
);
415 static int job_signaled( struct object
*obj
, struct wait_queue_entry
*entry
)
417 struct job
*job
= (struct job
*)obj
;
418 return job
->signaled
;
423 void *ptr
; /* entry ptr */
424 unsigned int next
; /* next free entry */
427 static struct ptid_entry
*ptid_entries
; /* array of ptid entries */
428 static unsigned int used_ptid_entries
; /* number of entries in use */
429 static unsigned int alloc_ptid_entries
; /* number of allocated entries */
430 static unsigned int next_free_ptid
; /* next free entry */
431 static unsigned int last_free_ptid
; /* last free entry */
432 static unsigned int num_free_ptids
; /* number of free ptids */
434 static void kill_all_processes(void);
436 #define PTID_OFFSET 8 /* offset for first ptid value */
438 static unsigned int index_from_ptid(unsigned int id
) { return id
/ 4; }
439 static unsigned int ptid_from_index(unsigned int index
) { return index
* 4; }
441 /* allocate a new process or thread id */
442 unsigned int alloc_ptid( void *ptr
)
444 struct ptid_entry
*entry
;
447 if (used_ptid_entries
< alloc_ptid_entries
)
449 index
= used_ptid_entries
+ PTID_OFFSET
;
450 entry
= &ptid_entries
[used_ptid_entries
++];
452 else if (next_free_ptid
&& num_free_ptids
>= 256)
454 index
= next_free_ptid
;
455 entry
= &ptid_entries
[index
- PTID_OFFSET
];
456 if (!(next_free_ptid
= entry
->next
)) last_free_ptid
= 0;
459 else /* need to grow the array */
461 unsigned int count
= alloc_ptid_entries
+ (alloc_ptid_entries
/ 2);
462 if (!count
) count
= 512;
463 if (!(entry
= realloc( ptid_entries
, count
* sizeof(*entry
) )))
465 set_error( STATUS_NO_MEMORY
);
468 ptid_entries
= entry
;
469 alloc_ptid_entries
= count
;
470 index
= used_ptid_entries
+ PTID_OFFSET
;
471 entry
= &ptid_entries
[used_ptid_entries
++];
475 return ptid_from_index( index
);
478 /* free a process or thread id */
479 void free_ptid( unsigned int id
)
481 unsigned int index
= index_from_ptid( id
);
482 struct ptid_entry
*entry
= &ptid_entries
[index
- PTID_OFFSET
];
487 /* append to end of free list so that we don't reuse it too early */
488 if (last_free_ptid
) ptid_entries
[last_free_ptid
- PTID_OFFSET
].next
= index
;
489 else next_free_ptid
= index
;
490 last_free_ptid
= index
;
494 /* retrieve the pointer corresponding to a process or thread id */
495 void *get_ptid_entry( unsigned int id
)
497 unsigned int index
= index_from_ptid( id
);
498 if (index
< PTID_OFFSET
) return NULL
;
499 if (index
- PTID_OFFSET
>= used_ptid_entries
) return NULL
;
500 return ptid_entries
[index
- PTID_OFFSET
].ptr
;
503 /* return the main thread of the process */
504 struct thread
*get_process_first_thread( struct process
*process
)
506 struct list
*ptr
= list_head( &process
->thread_list
);
507 if (!ptr
) return NULL
;
508 return LIST_ENTRY( ptr
, struct thread
, proc_entry
);
511 /* set the state of the process startup info */
512 static void set_process_startup_state( struct process
*process
, enum startup_state state
)
514 if (process
->startup_state
== STARTUP_IN_PROGRESS
) process
->startup_state
= state
;
515 if (process
->startup_info
)
517 wake_up( &process
->startup_info
->obj
, 0 );
518 release_object( process
->startup_info
);
519 process
->startup_info
= NULL
;
523 /* callback for server shutdown */
524 static void server_shutdown_timeout( void *arg
)
526 shutdown_timeout
= NULL
;
527 if (!running_processes
)
529 close_master_socket( 0 );
532 switch(++shutdown_stage
)
534 case 1: /* signal system processes to exit */
535 if (debug_level
) fprintf( stderr
, "wineserver: shutting down\n" );
536 if (shutdown_event
) set_event( shutdown_event
);
537 shutdown_timeout
= add_timeout_user( 2 * -TICKS_PER_SEC
, server_shutdown_timeout
, NULL
);
538 close_master_socket( 4 * -TICKS_PER_SEC
);
540 case 2: /* now forcibly kill all processes (but still wait for SIGKILL timeouts) */
541 kill_all_processes();
546 /* forced shutdown, used for wineserver -k */
547 void shutdown_master_socket(void)
549 kill_all_processes();
551 if (shutdown_timeout
)
553 remove_timeout_user( shutdown_timeout
);
554 shutdown_timeout
= NULL
;
556 close_master_socket( 2 * -TICKS_PER_SEC
); /* for SIGKILL timeouts */
559 /* final cleanup once we are sure a process is really dead */
560 static void process_died( struct process
*process
)
562 if (debug_level
) fprintf( stderr
, "%04x: *process killed*\n", process
->id
);
563 if (!process
->is_system
)
565 if (!--user_processes
&& !shutdown_stage
&& master_socket_timeout
!= TIMEOUT_INFINITE
)
566 shutdown_timeout
= add_timeout_user( master_socket_timeout
, server_shutdown_timeout
, NULL
);
568 release_object( process
);
569 if (!--running_processes
&& shutdown_stage
) close_master_socket( 0 );
572 /* callback for process sigkill timeout */
573 static void process_sigkill( void *private )
575 struct process
*process
= private;
577 process
->sigkill_timeout
= NULL
;
578 kill( process
->unix_pid
, SIGKILL
);
579 process_died( process
);
582 /* start the sigkill timer for a process upon exit */
583 static void start_sigkill_timer( struct process
*process
)
585 grab_object( process
);
586 if (process
->unix_pid
!= -1)
587 process
->sigkill_timeout
= add_timeout_user( -TICKS_PER_SEC
, process_sigkill
, process
);
589 process_died( process
);
592 /* create a new process */
593 /* if the function fails the fd is closed */
594 struct process
*create_process( int fd
, struct process
*parent
, unsigned int flags
, const startup_info_t
*info
,
595 const struct security_descriptor
*sd
, const obj_handle_t
*handles
,
596 unsigned int handle_count
, struct token
*token
)
598 struct process
*process
;
600 if (!(process
= alloc_object( &process_ops
)))
605 process
->parent_id
= 0;
606 process
->debug_obj
= NULL
;
607 process
->debug_event
= NULL
;
608 process
->handles
= NULL
;
609 process
->msg_fd
= NULL
;
610 process
->sigkill_timeout
= NULL
;
611 process
->unix_pid
= -1;
612 process
->exit_code
= STILL_ACTIVE
;
613 process
->running_threads
= 0;
614 process
->priority
= PROCESS_PRIOCLASS_NORMAL
;
615 process
->suspend
= 0;
616 process
->is_system
= 0;
617 process
->debug_children
= 1;
618 process
->is_terminating
= 0;
619 process
->imagelen
= 0;
620 process
->image
= NULL
;
622 process
->console
= NULL
;
623 process
->startup_state
= STARTUP_IN_PROGRESS
;
624 process
->startup_info
= NULL
;
625 process
->idle_event
= NULL
;
627 process
->ldt_copy
= 0;
628 process
->dir_cache
= NULL
;
629 process
->winstation
= 0;
630 process
->desktop
= 0;
631 process
->token
= NULL
;
632 process
->trace_data
= 0;
633 process
->rawinput_mouse
= NULL
;
634 process
->rawinput_kbd
= NULL
;
635 list_init( &process
->kernel_object
);
636 list_init( &process
->thread_list
);
637 list_init( &process
->locks
);
638 list_init( &process
->asyncs
);
639 list_init( &process
->classes
);
640 list_init( &process
->views
);
641 list_init( &process
->rawinput_devices
);
643 process
->end_time
= 0;
645 if (sd
&& !default_set_sd( &process
->obj
, sd
, OWNER_SECURITY_INFORMATION
| GROUP_SECURITY_INFORMATION
|
646 DACL_SECURITY_INFORMATION
| SACL_SECURITY_INFORMATION
))
651 if (!(process
->id
= process
->group_id
= alloc_ptid( process
)))
656 if (!(process
->msg_fd
= create_anonymous_fd( &process_fd_ops
, fd
, &process
->obj
, 0 ))) goto error
;
658 /* create the handle table */
661 process
->handles
= alloc_handle_table( process
, 0 );
662 process
->token
= token_create_admin( TokenElevationTypeFull
);
663 process
->affinity
= ~0;
667 obj_handle_t std_handles
[3];
669 std_handles
[0] = info
->hstdin
;
670 std_handles
[1] = info
->hstdout
;
671 std_handles
[2] = info
->hstderr
;
673 process
->parent_id
= parent
->id
;
674 if (flags
& PROCESS_CREATE_FLAGS_INHERIT_HANDLES
)
675 process
->handles
= copy_handle_table( process
, parent
, handles
, handle_count
, std_handles
);
677 process
->handles
= alloc_handle_table( process
, 0 );
678 /* Note: for security reasons, starting a new process does not attempt
679 * to use the current impersonation token for the new process */
680 process
->token
= token_duplicate( token
? token
: parent
->token
, TRUE
, 0, NULL
, NULL
, 0, NULL
, 0 );
681 process
->affinity
= parent
->affinity
;
683 if (!process
->handles
|| !process
->token
) goto error
;
685 /* Assign a high security label to the token. The default would be medium
686 * but Wine provides admin access to all applications right now so high
687 * makes more sense for the time being. */
688 if (!token_assign_label( process
->token
, security_high_label_sid
))
691 set_fd_events( process
->msg_fd
, POLLIN
); /* start listening to events */
695 if (process
) release_object( process
);
696 /* if we failed to start our first process, close everything down */
697 if (!running_processes
&& master_socket_timeout
!= TIMEOUT_INFINITE
) close_master_socket( 0 );
701 /* get the process data size */
702 data_size_t
get_process_startup_info_size( struct process
*process
)
704 struct startup_info
*info
= process
->startup_info
;
707 return info
->data_size
;
710 /* destroy a process when its refcount is 0 */
711 static void process_destroy( struct object
*obj
)
713 struct process
*process
= (struct process
*)obj
;
714 assert( obj
->ops
== &process_ops
);
716 /* we can't have a thread remaining */
717 assert( list_empty( &process
->thread_list
));
718 assert( list_empty( &process
->asyncs
));
720 assert( !process
->sigkill_timeout
); /* timeout should hold a reference to the process */
722 close_process_handles( process
);
723 set_process_startup_state( process
, STARTUP_ABORTED
);
727 list_remove( &process
->job_entry
);
728 release_object( process
->job
);
730 if (process
->console
) release_object( process
->console
);
731 if (process
->msg_fd
) release_object( process
->msg_fd
);
732 if (process
->idle_event
) release_object( process
->idle_event
);
733 if (process
->id
) free_ptid( process
->id
);
734 if (process
->token
) release_object( process
->token
);
735 free( process
->dir_cache
);
736 free( process
->image
);
739 /* dump a process on stdout for debugging purposes */
740 static void process_dump( struct object
*obj
, int verbose
)
742 struct process
*process
= (struct process
*)obj
;
743 assert( obj
->ops
== &process_ops
);
745 fprintf( stderr
, "Process id=%04x handles=%p\n", process
->id
, process
->handles
);
748 static int process_signaled( struct object
*obj
, struct wait_queue_entry
*entry
)
750 struct process
*process
= (struct process
*)obj
;
751 return !process
->running_threads
;
754 static unsigned int process_map_access( struct object
*obj
, unsigned int access
)
756 access
= default_map_access( obj
, access
);
757 if (access
& PROCESS_QUERY_INFORMATION
) access
|= PROCESS_QUERY_LIMITED_INFORMATION
;
758 if (access
& PROCESS_SET_INFORMATION
) access
|= PROCESS_SET_LIMITED_INFORMATION
;
762 static struct list
*process_get_kernel_obj_list( struct object
*obj
)
764 struct process
*process
= (struct process
*)obj
;
765 return &process
->kernel_object
;
768 static struct security_descriptor
*process_get_sd( struct object
*obj
)
770 static struct security_descriptor
*process_default_sd
;
772 if (obj
->sd
) return obj
->sd
;
774 if (!process_default_sd
)
776 size_t users_sid_len
= security_sid_len( security_domain_users_sid
);
777 size_t admins_sid_len
= security_sid_len( security_builtin_admins_sid
);
778 size_t dacl_len
= sizeof(ACL
) + 2 * offsetof( ACCESS_ALLOWED_ACE
, SidStart
)
779 + users_sid_len
+ admins_sid_len
;
780 ACCESS_ALLOWED_ACE
*aaa
;
783 process_default_sd
= mem_alloc( sizeof(*process_default_sd
) + admins_sid_len
+ users_sid_len
785 process_default_sd
->control
= SE_DACL_PRESENT
;
786 process_default_sd
->owner_len
= admins_sid_len
;
787 process_default_sd
->group_len
= users_sid_len
;
788 process_default_sd
->sacl_len
= 0;
789 process_default_sd
->dacl_len
= dacl_len
;
790 memcpy( process_default_sd
+ 1, security_builtin_admins_sid
, admins_sid_len
);
791 memcpy( (char *)(process_default_sd
+ 1) + admins_sid_len
, security_domain_users_sid
, users_sid_len
);
793 dacl
= (ACL
*)((char *)(process_default_sd
+ 1) + admins_sid_len
+ users_sid_len
);
794 dacl
->AclRevision
= ACL_REVISION
;
796 dacl
->AclSize
= dacl_len
;
799 aaa
= (ACCESS_ALLOWED_ACE
*)(dacl
+ 1);
800 aaa
->Header
.AceType
= ACCESS_ALLOWED_ACE_TYPE
;
801 aaa
->Header
.AceFlags
= INHERIT_ONLY_ACE
| CONTAINER_INHERIT_ACE
;
802 aaa
->Header
.AceSize
= offsetof( ACCESS_ALLOWED_ACE
, SidStart
) + users_sid_len
;
803 aaa
->Mask
= GENERIC_READ
;
804 memcpy( &aaa
->SidStart
, security_domain_users_sid
, users_sid_len
);
805 aaa
= (ACCESS_ALLOWED_ACE
*)((char *)aaa
+ aaa
->Header
.AceSize
);
806 aaa
->Header
.AceType
= ACCESS_ALLOWED_ACE_TYPE
;
807 aaa
->Header
.AceFlags
= 0;
808 aaa
->Header
.AceSize
= offsetof( ACCESS_ALLOWED_ACE
, SidStart
) + admins_sid_len
;
809 aaa
->Mask
= PROCESS_ALL_ACCESS
;
810 memcpy( &aaa
->SidStart
, security_builtin_admins_sid
, admins_sid_len
);
812 return process_default_sd
;
815 static void process_poll_event( struct fd
*fd
, int event
)
817 struct process
*process
= get_fd_user( fd
);
818 assert( process
->obj
.ops
== &process_ops
);
820 if (event
& (POLLERR
| POLLHUP
)) kill_process( process
, 0 );
821 else if (event
& POLLIN
) receive_fd( process
);
824 static void startup_info_destroy( struct object
*obj
)
826 struct startup_info
*info
= (struct startup_info
*)obj
;
827 assert( obj
->ops
== &startup_info_ops
);
829 if (info
->process
) release_object( info
->process
);
832 static void startup_info_dump( struct object
*obj
, int verbose
)
834 struct startup_info
*info
= (struct startup_info
*)obj
;
835 assert( obj
->ops
== &startup_info_ops
);
837 fputs( "Startup info", stderr
);
839 fprintf( stderr
, " in=%04x out=%04x err=%04x",
840 info
->data
->hstdin
, info
->data
->hstdout
, info
->data
->hstderr
);
841 fputc( '\n', stderr
);
844 static int startup_info_signaled( struct object
*obj
, struct wait_queue_entry
*entry
)
846 struct startup_info
*info
= (struct startup_info
*)obj
;
847 return info
->process
&& info
->process
->startup_state
!= STARTUP_IN_PROGRESS
;
850 /* get a process from an id (and increment the refcount) */
851 struct process
*get_process_from_id( process_id_t id
)
853 struct object
*obj
= get_ptid_entry( id
);
855 if (obj
&& obj
->ops
== &process_ops
) return (struct process
*)grab_object( obj
);
856 set_error( STATUS_INVALID_CID
);
860 /* get a process from a handle (and increment the refcount) */
861 struct process
*get_process_from_handle( obj_handle_t handle
, unsigned int access
)
863 return (struct process
*)get_handle_obj( current
->process
, handle
,
864 access
, &process_ops
);
867 /* terminate a process with the given exit code */
868 static void terminate_process( struct process
*process
, struct thread
*skip
, int exit_code
)
870 struct thread
*thread
;
872 grab_object( process
); /* make sure it doesn't get freed when threads die */
873 process
->is_terminating
= 1;
876 LIST_FOR_EACH_ENTRY( thread
, &process
->thread_list
, struct thread
, proc_entry
)
878 if (exit_code
) thread
->exit_code
= exit_code
;
879 if (thread
== skip
) continue;
880 if (thread
->state
== TERMINATED
) continue;
881 kill_thread( thread
, 1 );
884 release_object( process
);
887 /* kill all processes */
888 static void kill_all_processes(void)
892 while ((ptr
= list_head( &process_list
)))
894 struct process
*process
= LIST_ENTRY( ptr
, struct process
, entry
);
895 terminate_process( process
, NULL
, 1 );
899 /* kill all processes being attached to a console renderer */
900 void kill_console_processes( struct thread
*renderer
, int exit_code
)
902 for (;;) /* restart from the beginning of the list every time */
904 struct process
*process
;
906 /* find the first process being attached to 'renderer' and still running */
907 LIST_FOR_EACH_ENTRY( process
, &process_list
, struct process
, entry
)
909 if (process
== renderer
->process
) continue;
910 if (process
->console
&& console_get_renderer( process
->console
) == renderer
) break;
912 if (&process
->entry
== &process_list
) break; /* no process found */
913 terminate_process( process
, NULL
, exit_code
);
917 /* a process has been killed (i.e. its last thread died) */
918 static void process_killed( struct process
*process
)
922 assert( list_empty( &process
->thread_list
));
923 process
->end_time
= current_time
;
924 close_process_desktop( process
);
925 process
->winstation
= 0;
926 process
->desktop
= 0;
927 cancel_process_asyncs( process
);
928 close_process_handles( process
);
929 if (process
->idle_event
) release_object( process
->idle_event
);
930 process
->idle_event
= NULL
;
931 assert( !process
->console
);
933 while ((ptr
= list_head( &process
->rawinput_devices
)))
935 struct rawinput_device_entry
*entry
= LIST_ENTRY( ptr
, struct rawinput_device_entry
, entry
);
936 list_remove( &entry
->entry
);
939 destroy_process_classes( process
);
940 free_mapped_views( process
);
941 free_process_user_handles( process
);
942 remove_process_locks( process
);
943 set_process_startup_state( process
, STARTUP_ABORTED
);
944 finish_process_tracing( process
);
945 release_job_process( process
);
946 start_sigkill_timer( process
);
947 wake_up( &process
->obj
, 0 );
950 /* add a thread to a process running threads list */
951 void add_process_thread( struct process
*process
, struct thread
*thread
)
953 list_add_tail( &process
->thread_list
, &thread
->proc_entry
);
954 if (!process
->running_threads
++)
956 list_add_tail( &process_list
, &process
->entry
);
958 if (!process
->is_system
)
960 if (!user_processes
++ && shutdown_timeout
)
962 remove_timeout_user( shutdown_timeout
);
963 shutdown_timeout
= NULL
;
967 grab_object( thread
);
970 /* remove a thread from a process running threads list */
971 void remove_process_thread( struct process
*process
, struct thread
*thread
)
973 assert( process
->running_threads
> 0 );
974 assert( !list_empty( &process
->thread_list
));
976 list_remove( &thread
->proc_entry
);
978 if (!--process
->running_threads
)
980 /* we have removed the last running thread, exit the process */
981 process
->exit_code
= thread
->exit_code
;
982 generate_debug_event( thread
, DbgExitProcessStateChange
, process
);
983 list_remove( &process
->entry
);
984 process_killed( process
);
986 else generate_debug_event( thread
, DbgExitThreadStateChange
, thread
);
987 release_object( thread
);
990 /* suspend all the threads of a process */
991 void suspend_process( struct process
*process
)
993 if (!process
->suspend
++)
995 struct list
*ptr
, *next
;
997 LIST_FOR_EACH_SAFE( ptr
, next
, &process
->thread_list
)
999 struct thread
*thread
= LIST_ENTRY( ptr
, struct thread
, proc_entry
);
1000 if (!thread
->suspend
) stop_thread( thread
);
1005 /* resume all the threads of a process */
1006 void resume_process( struct process
*process
)
1008 assert (process
->suspend
> 0);
1009 if (!--process
->suspend
)
1011 struct list
*ptr
, *next
;
1013 LIST_FOR_EACH_SAFE( ptr
, next
, &process
->thread_list
)
1015 struct thread
*thread
= LIST_ENTRY( ptr
, struct thread
, proc_entry
);
1016 if (!thread
->suspend
) wake_thread( thread
);
1021 /* kill a process on the spot */
1022 void kill_process( struct process
*process
, int violent_death
)
1024 if (!violent_death
&& process
->msg_fd
) /* normal termination on pipe close */
1026 release_object( process
->msg_fd
);
1027 process
->msg_fd
= NULL
;
1030 if (process
->sigkill_timeout
) return; /* already waiting for it to die */
1032 if (violent_death
) terminate_process( process
, NULL
, 1 );
1037 grab_object( process
); /* make sure it doesn't get freed when threads die */
1038 while ((ptr
= list_head( &process
->thread_list
)))
1040 struct thread
*thread
= LIST_ENTRY( ptr
, struct thread
, proc_entry
);
1041 kill_thread( thread
, 0 );
1043 release_object( process
);
1047 /* detach all processes being debugged by a given thread */
1048 void detach_debugged_processes( struct debug_obj
*debug_obj
, int exit_code
)
1050 for (;;) /* restart from the beginning of the list every time */
1052 struct process
*process
;
1054 /* find the first process being debugged by 'debugger' and still running */
1055 LIST_FOR_EACH_ENTRY( process
, &process_list
, struct process
, entry
)
1056 if (process
->debug_obj
== debug_obj
) break;
1058 if (&process
->entry
== &process_list
) break; /* no process found */
1061 process
->debug_obj
= NULL
;
1062 terminate_process( process
, NULL
, exit_code
);
1064 else debugger_detach( process
, debug_obj
);
1069 void enum_processes( int (*cb
)(struct process
*, void*), void *user
)
1071 struct list
*ptr
, *next
;
1073 LIST_FOR_EACH_SAFE( ptr
, next
, &process_list
)
1075 struct process
*process
= LIST_ENTRY( ptr
, struct process
, entry
);
1076 if ((cb
)(process
, user
)) break;
1080 /* set the debugged flag in the process PEB */
1081 int set_process_debug_flag( struct process
*process
, int flag
)
1083 char data
= (flag
!= 0);
1084 client_ptr_t peb32
= 0;
1086 if (!is_machine_64bit( process
->machine
) && is_machine_64bit( supported_machines
[0] ))
1087 peb32
= process
->peb
+ 0x1000;
1089 /* BeingDebugged flag is the byte at offset 2 in the PEB */
1090 if (peb32
&& !write_process_memory( process
, peb32
+ 2, 1, &data
)) return 0;
1091 return write_process_memory( process
, process
->peb
+ 2, 1, &data
);
1094 /* create a new process */
1095 DECL_HANDLER(new_process
)
1097 struct startup_info
*info
;
1098 const void *info_ptr
;
1099 struct unicode_str name
;
1100 const struct security_descriptor
*sd
;
1101 const struct object_attributes
*objattr
= get_req_object_attributes( &sd
, &name
, NULL
);
1102 struct process
*process
= NULL
;
1103 struct token
*token
= NULL
;
1104 struct debug_obj
*debug_obj
= NULL
;
1105 struct process
*parent
;
1106 struct thread
*parent_thread
= current
;
1107 int socket_fd
= thread_get_inflight_fd( current
, req
->socket_fd
);
1108 const obj_handle_t
*handles
= NULL
;
1109 const obj_handle_t
*job_handles
= NULL
;
1110 unsigned int i
, job_handle_count
;
1113 if (socket_fd
== -1)
1115 set_error( STATUS_INVALID_PARAMETER
);
1120 set_error( STATUS_INVALID_PARAMETER
);
1124 if (fcntl( socket_fd
, F_SETFL
, O_NONBLOCK
) == -1)
1126 set_error( STATUS_INVALID_HANDLE
);
1132 set_error( STATUS_SHUTDOWN_IN_PROGRESS
);
1137 if (req
->parent_process
)
1139 if (!(parent
= get_process_from_handle( req
->parent_process
, PROCESS_CREATE_PROCESS
)))
1144 parent_thread
= NULL
;
1146 else parent
= (struct process
*)grab_object( current
->process
);
1148 /* If a job further in the job chain does not permit breakaway process creation
1149 * succeeds and the process which is trying to breakaway is assigned to that job. */
1150 if (parent
->job
&& (req
->flags
& PROCESS_CREATE_FLAGS_BREAKAWAY
) &&
1151 !(parent
->job
->limit_flags
& (JOB_OBJECT_LIMIT_BREAKAWAY_OK
| JOB_OBJECT_LIMIT_SILENT_BREAKAWAY_OK
)))
1153 set_error( STATUS_ACCESS_DENIED
);
1155 release_object( parent
);
1159 /* build the startup info for a new process */
1160 if (!(info
= alloc_object( &startup_info_ops
)))
1163 release_object( parent
);
1166 info
->process
= NULL
;
1169 info_ptr
= get_req_data_after_objattr( objattr
, &info
->data_size
);
1171 if ((req
->handles_size
& 3) || req
->handles_size
> info
->data_size
)
1173 set_error( STATUS_INVALID_PARAMETER
);
1177 if (req
->handles_size
)
1180 info_ptr
= (const char *)info_ptr
+ req
->handles_size
;
1181 info
->data_size
-= req
->handles_size
;
1184 if ((req
->jobs_size
& 3) || req
->jobs_size
> info
->data_size
)
1186 set_error( STATUS_INVALID_PARAMETER
);
1192 job_handles
= info_ptr
;
1193 info_ptr
= (const char *)info_ptr
+ req
->jobs_size
;
1194 info
->data_size
-= req
->jobs_size
;
1197 job_handle_count
= req
->jobs_size
/ sizeof(*handles
);
1198 for (i
= 0; i
< job_handle_count
; ++i
)
1200 if (!(job
= get_job_obj( current
->process
, job_handles
[i
], JOB_OBJECT_ASSIGN_PROCESS
)))
1205 release_object( job
);
1208 info
->info_size
= min( req
->info_size
, info
->data_size
);
1210 if (req
->info_size
< sizeof(*info
->data
))
1212 /* make sure we have a full startup_info_t structure */
1213 data_size_t env_size
= info
->data_size
- info
->info_size
;
1214 data_size_t info_size
= min( req
->info_size
, FIELD_OFFSET( startup_info_t
, curdir_len
));
1216 if (!(info
->data
= mem_alloc( sizeof(*info
->data
) + env_size
)))
1221 memcpy( info
->data
, info_ptr
, info_size
);
1222 memset( (char *)info
->data
+ info_size
, 0, sizeof(*info
->data
) - info_size
);
1223 memcpy( info
->data
+ 1, (const char *)info_ptr
+ req
->info_size
, env_size
);
1224 info
->info_size
= sizeof(startup_info_t
);
1225 info
->data_size
= info
->info_size
+ env_size
;
1229 data_size_t pos
= sizeof(*info
->data
);
1231 if (!(info
->data
= memdup( info_ptr
, info
->data_size
)))
1236 #define FIXUP_LEN(len) do { (len) = min( (len), info->info_size - pos ); pos += (len); } while(0)
1237 FIXUP_LEN( info
->data
->curdir_len
);
1238 FIXUP_LEN( info
->data
->dllpath_len
);
1239 FIXUP_LEN( info
->data
->imagepath_len
);
1240 FIXUP_LEN( info
->data
->cmdline_len
);
1241 FIXUP_LEN( info
->data
->title_len
);
1242 FIXUP_LEN( info
->data
->desktop_len
);
1243 FIXUP_LEN( info
->data
->shellinfo_len
);
1244 FIXUP_LEN( info
->data
->runtime_len
);
1248 if (req
->token
&& !(token
= get_token_obj( current
->process
, req
->token
, TOKEN_QUERY
| TOKEN_ASSIGN_PRIMARY
)))
1253 if (req
->debug
&& !(debug_obj
= get_debug_obj( current
->process
, req
->debug
, DEBUG_PROCESS_ASSIGN
)))
1259 if (!(process
= create_process( socket_fd
, parent
, req
->flags
, info
->data
, sd
,
1260 handles
, req
->handles_size
/ sizeof(*handles
), token
)))
1263 process
->startup_info
= (struct startup_info
*)grab_object( info
);
1268 if (!(job
->limit_flags
& JOB_OBJECT_LIMIT_SILENT_BREAKAWAY_OK
)
1269 && !(req
->flags
& PROCESS_CREATE_FLAGS_BREAKAWAY
1270 && job
->limit_flags
& JOB_OBJECT_LIMIT_BREAKAWAY_OK
))
1272 add_job_process( job
, process
);
1273 assert( !get_error() );
1279 for (i
= 0; i
< job_handle_count
; ++i
)
1281 job
= get_job_obj( current
->process
, job_handles
[i
], JOB_OBJECT_ASSIGN_PROCESS
);
1282 add_job_process( job
, process
);
1283 release_object( job
);
1286 release_job_process( process
);
1291 /* connect to the window station */
1292 connect_process_winstation( process
, parent_thread
, parent
);
1294 /* set the process console */
1295 if (info
->data
->console
> 3)
1296 info
->data
->console
= duplicate_handle( parent
, info
->data
->console
, process
,
1297 0, 0, DUPLICATE_SAME_ACCESS
);
1299 if (!(req
->flags
& PROCESS_CREATE_FLAGS_INHERIT_HANDLES
) && info
->data
->console
!= 1)
1301 info
->data
->hstdin
= duplicate_handle( parent
, info
->data
->hstdin
, process
,
1302 0, OBJ_INHERIT
, DUPLICATE_SAME_ACCESS
);
1303 info
->data
->hstdout
= duplicate_handle( parent
, info
->data
->hstdout
, process
,
1304 0, OBJ_INHERIT
, DUPLICATE_SAME_ACCESS
);
1305 info
->data
->hstderr
= duplicate_handle( parent
, info
->data
->hstderr
, process
,
1306 0, OBJ_INHERIT
, DUPLICATE_SAME_ACCESS
);
1307 /* some handles above may have been invalid; this is not an error */
1308 if (get_error() == STATUS_INVALID_HANDLE
||
1309 get_error() == STATUS_OBJECT_TYPE_MISMATCH
) clear_error();
1312 /* attach to the debugger */
1315 process
->debug_obj
= debug_obj
;
1316 process
->debug_children
= !(req
->flags
& PROCESS_CREATE_FLAGS_NO_DEBUG_INHERIT
);
1318 else if (parent
->debug_children
)
1320 process
->debug_obj
= parent
->debug_obj
;
1321 /* debug_children is set to 1 by default */
1324 if (!info
->data
->console_flags
) process
->group_id
= parent
->group_id
;
1326 info
->process
= (struct process
*)grab_object( process
);
1327 reply
->info
= alloc_handle( current
->process
, info
, SYNCHRONIZE
, 0 );
1328 reply
->pid
= get_process_id( process
);
1329 reply
->handle
= alloc_handle_no_access_check( current
->process
, process
, req
->access
, objattr
->attributes
);
1332 if (process
) release_object( process
);
1333 if (debug_obj
) release_object( debug_obj
);
1334 if (token
) release_object( token
);
1335 release_object( parent
);
1336 release_object( info
);
1339 /* Retrieve information about a newly started process */
1340 DECL_HANDLER(get_new_process_info
)
1342 struct startup_info
*info
;
1344 if ((info
= (struct startup_info
*)get_handle_obj( current
->process
, req
->info
,
1345 0, &startup_info_ops
)))
1347 reply
->success
= is_process_init_done( info
->process
);
1348 reply
->exit_code
= info
->process
->exit_code
;
1349 release_object( info
);
1353 /* Retrieve the new process startup info */
1354 DECL_HANDLER(get_startup_info
)
1356 struct process
*process
= current
->process
;
1357 struct startup_info
*info
= process
->startup_info
;
1362 /* we return the data directly without making a copy so this can only be called once */
1363 reply
->info_size
= info
->info_size
;
1364 size
= info
->data_size
;
1365 if (size
> get_reply_max_size()) size
= get_reply_max_size();
1366 set_reply_data_ptr( info
->data
, size
);
1368 info
->data_size
= 0;
1371 /* signal the end of the process initialization */
1372 DECL_HANDLER(init_process_done
)
1374 struct process
*process
= current
->process
;
1375 struct memory_view
*view
;
1377 const pe_image_info_t
*image_info
;
1379 if (is_process_init_done(process
))
1381 set_error( STATUS_INVALID_PARAMETER
);
1384 if (!(view
= get_exe_view( process
)))
1386 set_error( STATUS_DLL_NOT_FOUND
);
1389 if (!(image_info
= get_view_image_info( view
, &base
))) return;
1391 current
->teb
= req
->teb
;
1392 process
->peb
= req
->peb
;
1393 process
->ldt_copy
= req
->ldt_copy
;
1395 process
->start_time
= current_time
;
1396 current
->entry_point
= image_info
->entry_point
;
1398 init_process_tracing( process
);
1399 generate_startup_debug_events( process
);
1400 set_process_startup_state( process
, STARTUP_DONE
);
1402 if (image_info
->subsystem
!= IMAGE_SUBSYSTEM_WINDOWS_CUI
)
1403 process
->idle_event
= create_event( NULL
, NULL
, 0, 1, 0, NULL
);
1404 if (process
->debug_obj
) set_process_debug_flag( process
, 1 );
1405 reply
->entry
= image_info
->entry_point
;
1406 reply
->suspend
= (current
->suspend
|| process
->suspend
);
1409 /* open a handle to a process */
1410 DECL_HANDLER(open_process
)
1412 struct process
*process
= get_process_from_id( req
->pid
);
1416 reply
->handle
= alloc_handle( current
->process
, process
, req
->access
, req
->attributes
);
1417 release_object( process
);
1421 /* terminate a process */
1422 DECL_HANDLER(terminate_process
)
1424 struct process
*process
;
1428 process
= get_process_from_handle( req
->handle
, PROCESS_TERMINATE
);
1429 if (!process
) return;
1431 else process
= (struct process
*)grab_object( current
->process
);
1433 reply
->self
= (current
->process
== process
);
1434 terminate_process( process
, current
, req
->exit_code
);
1435 release_object( process
);
1438 /* fetch information about a process */
1439 DECL_HANDLER(get_process_info
)
1441 struct process
*process
;
1443 if ((process
= get_process_from_handle( req
->handle
, PROCESS_QUERY_LIMITED_INFORMATION
)))
1445 reply
->pid
= get_process_id( process
);
1446 reply
->ppid
= process
->parent_id
;
1447 reply
->exit_code
= process
->exit_code
;
1448 reply
->priority
= process
->priority
;
1449 reply
->affinity
= process
->affinity
;
1450 reply
->peb
= process
->peb
;
1451 reply
->start_time
= process
->start_time
;
1452 reply
->end_time
= process
->end_time
;
1453 reply
->machine
= process
->machine
;
1454 if (get_reply_max_size())
1457 const pe_image_info_t
*info
;
1458 struct memory_view
*view
= get_exe_view( process
);
1461 if ((info
= get_view_image_info( view
, &base
)))
1462 set_reply_data( info
, min( sizeof(*info
), get_reply_max_size() ));
1464 else set_error( STATUS_PROCESS_IS_TERMINATING
);
1466 release_object( process
);
1470 /* retrieve debug information about a process */
1471 DECL_HANDLER(get_process_debug_info
)
1473 struct process
*process
;
1475 if (!(process
= get_process_from_handle( req
->handle
, PROCESS_QUERY_LIMITED_INFORMATION
))) return;
1477 reply
->debug_children
= process
->debug_children
;
1478 if (!process
->debug_obj
) set_error( STATUS_PORT_NOT_SET
);
1479 else reply
->debug
= alloc_handle( current
->process
, process
->debug_obj
, DEBUG_ALL_ACCESS
, 0 );
1480 release_object( process
);
1483 /* fetch the name of the process image */
1484 DECL_HANDLER(get_process_image_name
)
1486 struct process
*process
= get_process_from_handle( req
->handle
, PROCESS_QUERY_LIMITED_INFORMATION
);
1488 if (!process
) return;
1491 struct unicode_str name
= { process
->image
, process
->imagelen
};
1492 /* skip the \??\ prefix */
1493 if (req
->win32
&& name
.len
> 6 * sizeof(WCHAR
) && name
.str
[5] == ':')
1496 name
.len
-= 4 * sizeof(WCHAR
);
1498 /* FIXME: else resolve symlinks in NT path */
1500 reply
->len
= name
.len
;
1501 if (name
.len
<= get_reply_max_size())
1503 WCHAR
*ptr
= set_reply_data( name
.str
, name
.len
);
1504 /* change \??\ to \\?\ */
1505 if (req
->win32
&& name
.len
> sizeof(WCHAR
) && ptr
[1] == '?') ptr
[1] = '\\';
1507 else set_error( STATUS_BUFFER_TOO_SMALL
);
1509 release_object( process
);
1512 /* retrieve information about a process memory usage */
1513 DECL_HANDLER(get_process_vm_counters
)
1515 struct process
*process
= get_process_from_handle( req
->handle
, PROCESS_QUERY_LIMITED_INFORMATION
);
1517 if (!process
) return;
1519 if (process
->unix_pid
!= -1)
1522 char proc_path
[32], line
[256];
1523 unsigned long value
;
1525 sprintf( proc_path
, "/proc/%u/status", process
->unix_pid
);
1526 if ((f
= fopen( proc_path
, "r" )))
1528 while (fgets( line
, sizeof(line
), f
))
1530 if (sscanf( line
, "VmPeak: %lu", &value
))
1531 reply
->peak_virtual_size
= (mem_size_t
)value
* 1024;
1532 else if (sscanf( line
, "VmSize: %lu", &value
))
1533 reply
->virtual_size
= (mem_size_t
)value
* 1024;
1534 else if (sscanf( line
, "VmHWM: %lu", &value
))
1535 reply
->peak_working_set_size
= (mem_size_t
)value
* 1024;
1536 else if (sscanf( line
, "VmRSS: %lu", &value
))
1537 reply
->working_set_size
= (mem_size_t
)value
* 1024;
1538 else if (sscanf( line
, "RssAnon: %lu", &value
))
1539 reply
->pagefile_usage
+= (mem_size_t
)value
* 1024;
1540 else if (sscanf( line
, "VmSwap: %lu", &value
))
1541 reply
->pagefile_usage
+= (mem_size_t
)value
* 1024;
1543 reply
->peak_pagefile_usage
= reply
->pagefile_usage
;
1546 else set_error( STATUS_ACCESS_DENIED
);
1548 else set_error( STATUS_ACCESS_DENIED
);
1550 release_object( process
);
1553 static void set_process_affinity( struct process
*process
, affinity_t affinity
)
1555 struct thread
*thread
;
1557 if (!process
->running_threads
)
1559 set_error( STATUS_PROCESS_IS_TERMINATING
);
1563 process
->affinity
= affinity
;
1565 LIST_FOR_EACH_ENTRY( thread
, &process
->thread_list
, struct thread
, proc_entry
)
1567 set_thread_affinity( thread
, affinity
);
1571 /* set information about a process */
1572 DECL_HANDLER(set_process_info
)
1574 struct process
*process
;
1576 if ((process
= get_process_from_handle( req
->handle
, PROCESS_SET_INFORMATION
)))
1578 if (req
->mask
& SET_PROCESS_INFO_PRIORITY
) process
->priority
= req
->priority
;
1579 if (req
->mask
& SET_PROCESS_INFO_AFFINITY
) set_process_affinity( process
, req
->affinity
);
1580 release_object( process
);
1584 /* read data from a process address space */
1585 DECL_HANDLER(read_process_memory
)
1587 struct process
*process
;
1588 data_size_t len
= get_reply_max_size();
1590 if (!(process
= get_process_from_handle( req
->handle
, PROCESS_VM_READ
))) return;
1594 char *buffer
= mem_alloc( len
);
1597 if (read_process_memory( process
, req
->addr
, len
, buffer
))
1598 set_reply_data_ptr( buffer
, len
);
1603 release_object( process
);
1606 /* write data to a process address space */
1607 DECL_HANDLER(write_process_memory
)
1609 struct process
*process
;
1611 if ((process
= get_process_from_handle( req
->handle
, PROCESS_VM_WRITE
)))
1613 data_size_t len
= get_req_data_size();
1614 if (len
) write_process_memory( process
, req
->addr
, len
, get_req_data() );
1615 else set_error( STATUS_INVALID_PARAMETER
);
1616 release_object( process
);
1620 /* retrieve the process idle event */
1621 DECL_HANDLER(get_process_idle_event
)
1623 struct process
*process
;
1626 if ((process
= get_process_from_handle( req
->handle
, PROCESS_QUERY_INFORMATION
)))
1628 if (process
->idle_event
&& process
!= current
->process
)
1629 reply
->event
= alloc_handle( current
->process
, process
->idle_event
,
1630 EVENT_ALL_ACCESS
, 0 );
1631 release_object( process
);
1635 /* make the current process a system process */
1636 DECL_HANDLER(make_process_system
)
1638 struct process
*process
;
1639 struct thread
*thread
;
1641 if (!shutdown_event
)
1643 if (!(shutdown_event
= create_event( NULL
, NULL
, OBJ_PERMANENT
, 1, 0, NULL
))) return;
1644 release_object( shutdown_event
);
1647 if (!(process
= get_process_from_handle( req
->handle
, PROCESS_SET_INFORMATION
))) return;
1649 if (!(reply
->event
= alloc_handle( current
->process
, shutdown_event
, SYNCHRONIZE
, 0 )))
1651 release_object( process
);
1655 if (!process
->is_system
)
1657 LIST_FOR_EACH_ENTRY( thread
, &process
->thread_list
, struct thread
, proc_entry
)
1658 release_thread_desktop( thread
, 0 );
1659 process
->is_system
= 1;
1660 if (!--user_processes
&& !shutdown_stage
&& master_socket_timeout
!= TIMEOUT_INFINITE
)
1661 shutdown_timeout
= add_timeout_user( master_socket_timeout
, server_shutdown_timeout
, NULL
);
1663 release_object( process
);
1666 /* create a new job object */
1667 DECL_HANDLER(create_job
)
1670 struct unicode_str name
;
1671 struct object
*root
;
1672 const struct security_descriptor
*sd
;
1673 const struct object_attributes
*objattr
= get_req_object_attributes( &sd
, &name
, &root
);
1675 if (!objattr
) return;
1677 if ((job
= create_job_object( root
, &name
, objattr
->attributes
, sd
)))
1679 if (get_error() == STATUS_OBJECT_NAME_EXISTS
)
1680 reply
->handle
= alloc_handle( current
->process
, job
, req
->access
, objattr
->attributes
);
1682 reply
->handle
= alloc_handle_no_access_check( current
->process
, job
,
1683 req
->access
, objattr
->attributes
);
1684 release_object( job
);
1686 if (root
) release_object( root
);
1689 /* open a job object */
1690 DECL_HANDLER(open_job
)
1692 struct unicode_str name
= get_req_unicode_str();
1694 reply
->handle
= open_object( current
->process
, req
->rootdir
, req
->access
,
1695 &job_ops
, &name
, req
->attributes
);
1698 /* assign a job object to a process */
1699 DECL_HANDLER(assign_job
)
1701 struct process
*process
;
1702 struct job
*job
= get_job_obj( current
->process
, req
->job
, JOB_OBJECT_ASSIGN_PROCESS
);
1706 if ((process
= get_process_from_handle( req
->process
, PROCESS_SET_QUOTA
| PROCESS_TERMINATE
)))
1708 if (!process
->running_threads
) set_error( STATUS_PROCESS_IS_TERMINATING
);
1709 else add_job_process( job
, process
);
1710 release_object( process
);
1712 release_object( job
);
1716 /* check if a process is associated with a job */
1717 DECL_HANDLER(process_in_job
)
1719 struct process
*process
;
1722 if (!(process
= get_process_from_handle( req
->process
, PROCESS_QUERY_INFORMATION
)))
1727 set_error( process
->job
? STATUS_PROCESS_IN_JOB
: STATUS_PROCESS_NOT_IN_JOB
);
1729 else if ((job
= get_job_obj( current
->process
, req
->job
, JOB_OBJECT_QUERY
)))
1731 set_error( process_in_job( job
, process
) ? STATUS_PROCESS_IN_JOB
: STATUS_PROCESS_NOT_IN_JOB
);
1732 release_object( job
);
1734 release_object( process
);
1737 /* retrieve information about a job */
1738 DECL_HANDLER(get_job_info
)
1740 struct job
*job
= get_job_obj( current
->process
, req
->handle
, JOB_OBJECT_QUERY
);
1744 reply
->total_processes
= job
->total_processes
;
1745 reply
->active_processes
= job
->num_processes
;
1746 release_object( job
);
1749 /* terminate all processes associated with the job */
1750 DECL_HANDLER(terminate_job
)
1752 struct job
*job
= get_job_obj( current
->process
, req
->handle
, JOB_OBJECT_TERMINATE
);
1756 terminate_job( job
, req
->status
);
1757 release_object( job
);
1760 /* update limits of the job object */
1761 DECL_HANDLER(set_job_limits
)
1763 struct job
*job
= get_job_obj( current
->process
, req
->handle
, JOB_OBJECT_SET_ATTRIBUTES
);
1767 job
->limit_flags
= req
->limit_flags
;
1768 release_object( job
);
1771 /* set the jobs completion port */
1772 DECL_HANDLER(set_job_completion_port
)
1774 struct job
*job
= get_job_obj( current
->process
, req
->job
, JOB_OBJECT_SET_ATTRIBUTES
);
1778 if (!job
->completion_port
)
1780 job
->completion_port
= get_completion_obj( current
->process
, req
->port
, IO_COMPLETION_MODIFY_STATE
);
1781 job
->completion_key
= req
->key
;
1783 add_job_completion_existing_processes( job
, job
);
1786 set_error( STATUS_INVALID_PARAMETER
);
1788 release_object( job
);
1791 /* Suspend a process */
1792 DECL_HANDLER(suspend_process
)
1794 struct process
*process
;
1796 if ((process
= get_process_from_handle( req
->handle
, PROCESS_SUSPEND_RESUME
)))
1798 struct list
*ptr
, *next
;
1800 LIST_FOR_EACH_SAFE( ptr
, next
, &process
->thread_list
)
1802 struct thread
*thread
= LIST_ENTRY( ptr
, struct thread
, proc_entry
);
1803 suspend_thread( thread
);
1806 release_object( process
);
1810 /* Resume a process */
1811 DECL_HANDLER(resume_process
)
1813 struct process
*process
;
1815 if ((process
= get_process_from_handle( req
->handle
, PROCESS_SUSPEND_RESUME
)))
1817 struct list
*ptr
, *next
;
1819 LIST_FOR_EACH_SAFE( ptr
, next
, &process
->thread_list
)
1821 struct thread
*thread
= LIST_ENTRY( ptr
, struct thread
, proc_entry
);
1822 resume_thread( thread
);
1825 release_object( process
);
1829 /* Get a list of processes and threads currently running */
1830 DECL_HANDLER(list_processes
)
1832 struct process
*process
;
1833 struct thread
*thread
;
1834 unsigned int pos
= 0;
1837 reply
->process_count
= 0;
1838 reply
->info_size
= 0;
1840 LIST_FOR_EACH_ENTRY( process
, &process_list
, struct process
, entry
)
1842 reply
->info_size
= (reply
->info_size
+ 7) & ~7;
1843 reply
->info_size
+= sizeof(struct process_info
) + process
->imagelen
;
1844 reply
->info_size
= (reply
->info_size
+ 7) & ~7;
1845 reply
->info_size
+= process
->running_threads
* sizeof(struct thread_info
);
1846 reply
->process_count
++;
1849 if (reply
->info_size
> get_reply_max_size())
1851 set_error( STATUS_INFO_LENGTH_MISMATCH
);
1855 if (!(buffer
= set_reply_data_size( reply
->info_size
))) return;
1857 memset( buffer
, 0, reply
->info_size
);
1858 LIST_FOR_EACH_ENTRY( process
, &process_list
, struct process
, entry
)
1860 struct process_info
*process_info
;
1862 pos
= (pos
+ 7) & ~7;
1863 process_info
= (struct process_info
*)(buffer
+ pos
);
1864 process_info
->start_time
= process
->start_time
;
1865 process_info
->name_len
= process
->imagelen
;
1866 process_info
->thread_count
= process
->running_threads
;
1867 process_info
->priority
= process
->priority
;
1868 process_info
->pid
= process
->id
;
1869 process_info
->parent_pid
= process
->parent_id
;
1870 process_info
->handle_count
= get_handle_table_count(process
);
1871 process_info
->unix_pid
= process
->unix_pid
;
1872 pos
+= sizeof(*process_info
);
1873 memcpy( buffer
+ pos
, process
->image
, process
->imagelen
);
1874 pos
+= process
->imagelen
;
1875 pos
= (pos
+ 7) & ~7;
1876 LIST_FOR_EACH_ENTRY( thread
, &process
->thread_list
, struct thread
, proc_entry
)
1878 struct thread_info
*thread_info
= (struct thread_info
*)(buffer
+ pos
);
1880 thread_info
->start_time
= thread
->creation_time
;
1881 thread_info
->tid
= thread
->id
;
1882 thread_info
->base_priority
= thread
->priority
;
1883 thread_info
->current_priority
= thread
->priority
; /* FIXME */
1884 thread_info
->unix_tid
= thread
->unix_tid
;
1885 pos
+= sizeof(*thread_info
);