2 * Server-side process management
4 * Copyright (C) 1998 Alexandre Julliard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include "wine/port.h"
32 #ifdef HAVE_SYS_SOCKET_H
33 # include <sys/socket.h>
48 /* process structure */
50 static struct process
*first_process
;
51 static int running_processes
;
53 /* process operations */
55 static void process_dump( struct object
*obj
, int verbose
);
56 static int process_signaled( struct object
*obj
, struct thread
*thread
);
57 static void process_poll_event( struct fd
*fd
, int event
);
58 static void process_destroy( struct object
*obj
);
60 static const struct object_ops process_ops
=
62 sizeof(struct process
), /* size */
63 process_dump
, /* dump */
64 add_queue
, /* add_queue */
65 remove_queue
, /* remove_queue */
66 process_signaled
, /* signaled */
67 no_satisfied
, /* satisfied */
68 no_get_fd
, /* get_fd */
69 process_destroy
/* destroy */
72 static const struct fd_ops process_fd_ops
=
74 NULL
, /* get_poll_events */
75 process_poll_event
, /* poll_event */
77 no_get_file_info
, /* get_file_info */
78 no_queue_async
/* queue_async */
81 /* process startup info */
85 struct object obj
; /* object header */
86 struct list entry
; /* entry in list of startup infos */
87 int inherit_all
; /* inherit all handles from parent */
88 int create_flags
; /* creation flags */
89 int unix_pid
; /* Unix pid of new process */
90 obj_handle_t hstdin
; /* handle for stdin */
91 obj_handle_t hstdout
; /* handle for stdout */
92 obj_handle_t hstderr
; /* handle for stderr */
93 struct file
*exe_file
; /* file handle for main exe */
94 struct thread
*owner
; /* owner thread (the one that created the new process) */
95 struct process
*process
; /* created process */
96 struct thread
*thread
; /* created thread */
97 size_t data_size
; /* size of startup data */
98 void *data
; /* data for startup info */
101 static void startup_info_dump( struct object
*obj
, int verbose
);
102 static int startup_info_signaled( struct object
*obj
, struct thread
*thread
);
103 static void startup_info_destroy( struct object
*obj
);
105 static const struct object_ops startup_info_ops
=
107 sizeof(struct startup_info
), /* size */
108 startup_info_dump
, /* dump */
109 add_queue
, /* add_queue */
110 remove_queue
, /* remove_queue */
111 startup_info_signaled
, /* signaled */
112 no_satisfied
, /* satisfied */
113 no_get_fd
, /* get_fd */
114 startup_info_destroy
/* destroy */
118 static struct list startup_info_list
= LIST_INIT(startup_info_list
);
122 void *ptr
; /* entry ptr */
123 unsigned int next
; /* next free entry */
126 static struct ptid_entry
*ptid_entries
; /* array of ptid entries */
127 static unsigned int used_ptid_entries
; /* number of entries in use */
128 static unsigned int alloc_ptid_entries
; /* number of allocated entries */
129 static unsigned int next_free_ptid
; /* next free entry */
130 static unsigned int last_free_ptid
; /* last free entry */
132 #define PTID_OFFSET 8 /* offset for first ptid value */
134 /* allocate a new process or thread id */
135 unsigned int alloc_ptid( void *ptr
)
137 struct ptid_entry
*entry
;
140 if (used_ptid_entries
< alloc_ptid_entries
)
142 id
= used_ptid_entries
+ PTID_OFFSET
;
143 entry
= &ptid_entries
[used_ptid_entries
++];
145 else if (next_free_ptid
)
148 entry
= &ptid_entries
[id
- PTID_OFFSET
];
149 if (!(next_free_ptid
= entry
->next
)) last_free_ptid
= 0;
151 else /* need to grow the array */
153 unsigned int count
= alloc_ptid_entries
+ (alloc_ptid_entries
/ 2);
154 if (!count
) count
= 64;
155 if (!(entry
= realloc( ptid_entries
, count
* sizeof(*entry
) )))
157 set_error( STATUS_NO_MEMORY
);
160 ptid_entries
= entry
;
161 alloc_ptid_entries
= count
;
162 id
= used_ptid_entries
+ PTID_OFFSET
;
163 entry
= &ptid_entries
[used_ptid_entries
++];
170 /* free a process or thread id */
171 void free_ptid( unsigned int id
)
173 struct ptid_entry
*entry
= &ptid_entries
[id
- PTID_OFFSET
];
178 /* append to end of free list so that we don't reuse it too early */
179 if (last_free_ptid
) ptid_entries
[last_free_ptid
- PTID_OFFSET
].next
= id
;
180 else next_free_ptid
= id
;
185 /* retrieve the pointer corresponding to a process or thread id */
186 void *get_ptid_entry( unsigned int id
)
188 if (id
< PTID_OFFSET
) return NULL
;
189 if (id
- PTID_OFFSET
>= used_ptid_entries
) return NULL
;
190 return ptid_entries
[id
- PTID_OFFSET
].ptr
;
193 /* set the state of the process startup info */
194 static void set_process_startup_state( struct process
*process
, enum startup_state state
)
196 if (process
->startup_state
== STARTUP_IN_PROGRESS
) process
->startup_state
= state
;
197 if (process
->startup_info
)
199 wake_up( &process
->startup_info
->obj
, 0 );
200 release_object( process
->startup_info
);
201 process
->startup_info
= NULL
;
205 /* set the console and stdio handles for a newly created process */
206 static int set_process_console( struct process
*process
, struct thread
*parent_thread
,
207 struct startup_info
*info
, struct init_process_reply
*reply
)
209 if (process
->create_flags
& CREATE_NEW_CONSOLE
)
211 /* let the process init do the allocation */
214 else if (info
&& !(process
->create_flags
& DETACHED_PROCESS
))
216 /* FIXME: some better error checking should be done...
217 * like if hConOut and hConIn are console handles, then they should be on the same
220 inherit_console( parent_thread
, process
, info
->inherit_all
? info
->hstdin
: 0 );
224 if (!info
->inherit_all
)
226 reply
->hstdin
= duplicate_handle( parent_thread
->process
, info
->hstdin
, process
,
227 0, TRUE
, DUPLICATE_SAME_ACCESS
);
228 reply
->hstdout
= duplicate_handle( parent_thread
->process
, info
->hstdout
, process
,
229 0, TRUE
, DUPLICATE_SAME_ACCESS
);
230 reply
->hstderr
= duplicate_handle( parent_thread
->process
, info
->hstderr
, process
,
231 0, TRUE
, DUPLICATE_SAME_ACCESS
);
235 reply
->hstdin
= info
->hstdin
;
236 reply
->hstdout
= info
->hstdout
;
237 reply
->hstderr
= info
->hstderr
;
240 else reply
->hstdin
= reply
->hstdout
= reply
->hstderr
= 0;
241 /* some handles above may have been invalid; this is not an error */
242 if (get_error() == STATUS_INVALID_HANDLE
||
243 get_error() == STATUS_OBJECT_TYPE_MISMATCH
) clear_error();
247 /* create a new process and its main thread */
248 struct thread
*create_process( int fd
)
250 struct process
*process
;
251 struct thread
*thread
= NULL
;
254 if (!(process
= alloc_object( &process_ops
))) goto error
;
255 process
->next
= NULL
;
256 process
->prev
= NULL
;
257 process
->parent
= NULL
;
258 process
->thread_list
= NULL
;
259 process
->debugger
= NULL
;
260 process
->handles
= NULL
;
261 process
->msg_fd
= NULL
;
262 process
->exit_code
= STILL_ACTIVE
;
263 process
->running_threads
= 0;
264 process
->priority
= NORMAL_PRIORITY_CLASS
;
265 process
->affinity
= 1;
266 process
->suspend
= 0;
267 process
->create_flags
= 0;
268 process
->console
= NULL
;
269 process
->startup_state
= STARTUP_IN_PROGRESS
;
270 process
->startup_info
= NULL
;
271 process
->idle_event
= NULL
;
272 process
->queue
= NULL
;
273 process
->atom_table
= NULL
;
275 process
->ldt_copy
= NULL
;
276 process
->exe
.next
= NULL
;
277 process
->exe
.prev
= NULL
;
278 process
->exe
.file
= NULL
;
279 process
->exe
.dbg_offset
= 0;
280 process
->exe
.dbg_size
= 0;
281 process
->exe
.namelen
= 0;
282 process
->exe
.filename
= NULL
;
283 process
->group_id
= 0;
284 process
->token
= create_token();
285 list_init( &process
->locks
);
287 gettimeofday( &process
->start_time
, NULL
);
288 if ((process
->next
= first_process
) != NULL
) process
->next
->prev
= process
;
289 first_process
= process
;
291 if (!(process
->id
= alloc_ptid( process
))) goto error
;
292 if (!(process
->msg_fd
= create_anonymous_fd( &process_fd_ops
, fd
, &process
->obj
))) goto error
;
294 /* create the main thread */
295 if (pipe( request_pipe
) == -1)
300 if (send_client_fd( process
, request_pipe
[1], 0 ) == -1)
302 close( request_pipe
[0] );
303 close( request_pipe
[1] );
306 close( request_pipe
[1] );
307 if (!(thread
= create_thread( request_pipe
[0], process
))) goto error
;
309 set_fd_events( process
->msg_fd
, POLLIN
); /* start listening to events */
310 release_object( process
);
314 if (process
) release_object( process
);
315 /* if we failed to start our first process, close everything down */
316 if (!running_processes
) close_master_socket();
320 /* find the startup info for a given Unix process */
321 inline static struct startup_info
*find_startup_info( int unix_pid
)
325 LIST_FOR_EACH( ptr
, &startup_info_list
)
327 struct startup_info
*info
= LIST_ENTRY( ptr
, struct startup_info
, entry
);
328 if (info
->unix_pid
== unix_pid
) return info
;
333 /* initialize the current process and fill in the request */
334 static struct startup_info
*init_process( struct init_process_reply
*reply
)
336 struct process
*process
= current
->process
;
337 struct thread
*parent_thread
= NULL
;
338 struct process
*parent
= NULL
;
339 struct startup_info
*info
= find_startup_info( current
->unix_pid
);
345 fatal_protocol_error( current
, "init_process: called twice?\n" );
348 parent_thread
= info
->owner
;
349 parent
= parent_thread
->process
;
350 process
->parent
= (struct process
*)grab_object( parent
);
353 /* set the process flags */
354 process
->create_flags
= info
? info
->create_flags
: 0;
356 /* create the handle table */
357 if (info
&& info
->inherit_all
)
358 process
->handles
= copy_handle_table( process
, parent
);
360 process
->handles
= alloc_handle_table( process
, 0 );
361 if (!process
->handles
) return NULL
;
363 /* retrieve the main exe file */
365 if (info
&& info
->exe_file
)
367 process
->exe
.file
= (struct file
*)grab_object( info
->exe_file
);
368 if (!(reply
->exe_file
= alloc_handle( process
, process
->exe
.file
, GENERIC_READ
, 0 )))
372 /* set the process console */
373 if (!set_process_console( process
, parent_thread
, info
, reply
)) return NULL
;
375 process
->group_id
= get_process_id( process
);
378 /* attach to the debugger if requested */
379 if (process
->create_flags
& (DEBUG_PROCESS
| DEBUG_ONLY_THIS_PROCESS
))
380 set_process_debugger( process
, parent_thread
);
381 else if (parent
->debugger
&& !(parent
->create_flags
& DEBUG_ONLY_THIS_PROCESS
))
382 set_process_debugger( process
, parent
->debugger
);
383 if (!(process
->create_flags
& CREATE_NEW_PROCESS_GROUP
))
384 process
->group_id
= parent
->group_id
;
387 /* thread will be actually suspended in init_done */
388 if (process
->create_flags
& CREATE_SUSPENDED
) current
->suspend
++;
392 reply
->info_size
= info
->data_size
;
393 info
->process
= (struct process
*)grab_object( process
);
394 info
->thread
= (struct thread
*)grab_object( current
);
396 reply
->create_flags
= process
->create_flags
;
397 reply
->server_start
= server_start_ticks
;
398 return info
? (struct startup_info
*)grab_object( info
) : NULL
;
401 /* destroy a process when its refcount is 0 */
402 static void process_destroy( struct object
*obj
)
404 struct process
*process
= (struct process
*)obj
;
405 assert( obj
->ops
== &process_ops
);
407 /* we can't have a thread remaining */
408 assert( !process
->thread_list
);
410 set_process_startup_state( process
, STARTUP_ABORTED
);
411 if (process
->console
) release_object( process
->console
);
412 if (process
->parent
) release_object( process
->parent
);
413 if (process
->msg_fd
) release_object( process
->msg_fd
);
414 if (process
->next
) process
->next
->prev
= process
->prev
;
415 if (process
->prev
) process
->prev
->next
= process
->next
;
416 else first_process
= process
->next
;
417 if (process
->idle_event
) release_object( process
->idle_event
);
418 if (process
->queue
) release_object( process
->queue
);
419 if (process
->atom_table
) release_object( process
->atom_table
);
420 if (process
->exe
.file
) release_object( process
->exe
.file
);
421 if (process
->exe
.filename
) free( process
->exe
.filename
);
422 if (process
->id
) free_ptid( process
->id
);
423 if (process
->token
) release_object( process
->token
);
426 /* dump a process on stdout for debugging purposes */
427 static void process_dump( struct object
*obj
, int verbose
)
429 struct process
*process
= (struct process
*)obj
;
430 assert( obj
->ops
== &process_ops
);
432 fprintf( stderr
, "Process id=%04x next=%p prev=%p handles=%p\n",
433 process
->id
, process
->next
, process
->prev
, process
->handles
);
436 static int process_signaled( struct object
*obj
, struct thread
*thread
)
438 struct process
*process
= (struct process
*)obj
;
439 return !process
->running_threads
;
442 static void process_poll_event( struct fd
*fd
, int event
)
444 struct process
*process
= get_fd_user( fd
);
445 assert( process
->obj
.ops
== &process_ops
);
447 if (event
& (POLLERR
| POLLHUP
)) set_fd_events( fd
, -1 );
448 else if (event
& POLLIN
) receive_fd( process
);
451 static void startup_info_destroy( struct object
*obj
)
453 struct startup_info
*info
= (struct startup_info
*)obj
;
454 assert( obj
->ops
== &startup_info_ops
);
455 list_remove( &info
->entry
);
456 if (info
->data
) free( info
->data
);
457 if (info
->exe_file
) release_object( info
->exe_file
);
458 if (info
->process
) release_object( info
->process
);
459 if (info
->thread
) release_object( info
->thread
);
460 if (info
->owner
) release_object( info
->owner
);
463 static void startup_info_dump( struct object
*obj
, int verbose
)
465 struct startup_info
*info
= (struct startup_info
*)obj
;
466 assert( obj
->ops
== &startup_info_ops
);
468 fprintf( stderr
, "Startup info flags=%x in=%p out=%p err=%p\n",
469 info
->create_flags
, info
->hstdin
, info
->hstdout
, info
->hstderr
);
472 static int startup_info_signaled( struct object
*obj
, struct thread
*thread
)
474 struct startup_info
*info
= (struct startup_info
*)obj
;
475 return info
->process
&& is_process_init_done(info
->process
);
478 /* get a process from an id (and increment the refcount) */
479 struct process
*get_process_from_id( process_id_t id
)
481 struct object
*obj
= get_ptid_entry( id
);
483 if (obj
&& obj
->ops
== &process_ops
) return (struct process
*)grab_object( obj
);
484 set_error( STATUS_INVALID_PARAMETER
);
488 /* get a process from a handle (and increment the refcount) */
489 struct process
*get_process_from_handle( obj_handle_t handle
, unsigned int access
)
491 return (struct process
*)get_handle_obj( current
->process
, handle
,
492 access
, &process_ops
);
495 /* add a dll to a process list */
496 static struct process_dll
*process_load_dll( struct process
*process
, struct file
*file
,
497 void *base
, const WCHAR
*filename
, size_t name_len
)
499 struct process_dll
*dll
;
501 /* make sure we don't already have one with the same base address */
502 for (dll
= process
->exe
.next
; dll
; dll
= dll
->next
) if (dll
->base
== base
)
504 set_error( STATUS_INVALID_PARAMETER
);
508 if ((dll
= mem_alloc( sizeof(*dll
) )))
510 dll
->prev
= &process
->exe
;
513 dll
->filename
= NULL
;
514 dll
->namelen
= name_len
;
515 if (name_len
&& !(dll
->filename
= memdup( filename
, name_len
)))
520 if (file
) dll
->file
= (struct file
*)grab_object( file
);
521 if ((dll
->next
= process
->exe
.next
)) dll
->next
->prev
= dll
;
522 process
->exe
.next
= dll
;
527 /* remove a dll from a process list */
528 static void process_unload_dll( struct process
*process
, void *base
)
530 struct process_dll
*dll
;
532 for (dll
= process
->exe
.next
; dll
; dll
= dll
->next
)
534 if (dll
->base
== base
)
536 if (dll
->file
) release_object( dll
->file
);
537 if (dll
->next
) dll
->next
->prev
= dll
->prev
;
538 if (dll
->prev
) dll
->prev
->next
= dll
->next
;
539 if (dll
->filename
) free( dll
->filename
);
541 generate_debug_event( current
, UNLOAD_DLL_DEBUG_EVENT
, base
);
545 set_error( STATUS_INVALID_PARAMETER
);
548 /* kill all processes */
549 void kill_all_processes( struct process
*skip
, int exit_code
)
553 struct process
*process
= first_process
;
555 while (process
&& (!process
->running_threads
|| process
== skip
))
556 process
= process
->next
;
558 kill_process( process
, NULL
, exit_code
);
562 /* kill all processes being attached to a console renderer */
563 void kill_console_processes( struct thread
*renderer
, int exit_code
)
565 for (;;) /* restart from the beginning of the list every time */
567 struct process
*process
= first_process
;
569 /* find the first process being attached to 'renderer' and still running */
571 (process
== renderer
->process
|| !process
->console
||
572 process
->console
->renderer
!= renderer
|| !process
->running_threads
))
574 process
= process
->next
;
577 kill_process( process
, NULL
, exit_code
);
581 /* a process has been killed (i.e. its last thread died) */
582 static void process_killed( struct process
*process
)
584 assert( !process
->thread_list
);
585 gettimeofday( &process
->end_time
, NULL
);
586 if (process
->handles
) release_object( process
->handles
);
587 process
->handles
= NULL
;
589 /* close the console attached to this process, if any */
590 free_console( process
);
592 while (process
->exe
.next
)
594 struct process_dll
*dll
= process
->exe
.next
;
595 process
->exe
.next
= dll
->next
;
596 if (dll
->file
) release_object( dll
->file
);
597 if (dll
->filename
) free( dll
->filename
);
600 set_process_startup_state( process
, STARTUP_ABORTED
);
601 if (process
->exe
.file
) release_object( process
->exe
.file
);
602 process
->exe
.file
= NULL
;
603 wake_up( &process
->obj
, 0 );
604 if (!--running_processes
) close_master_socket();
607 /* add a thread to a process running threads list */
608 void add_process_thread( struct process
*process
, struct thread
*thread
)
610 thread
->proc_next
= process
->thread_list
;
611 thread
->proc_prev
= NULL
;
612 if (thread
->proc_next
) thread
->proc_next
->proc_prev
= thread
;
613 process
->thread_list
= thread
;
614 if (!process
->running_threads
++) running_processes
++;
615 grab_object( thread
);
618 /* remove a thread from a process running threads list */
619 void remove_process_thread( struct process
*process
, struct thread
*thread
)
621 assert( process
->running_threads
> 0 );
622 assert( process
->thread_list
);
624 if (thread
->proc_next
) thread
->proc_next
->proc_prev
= thread
->proc_prev
;
625 if (thread
->proc_prev
) thread
->proc_prev
->proc_next
= thread
->proc_next
;
626 else process
->thread_list
= thread
->proc_next
;
628 if (!--process
->running_threads
)
630 /* we have removed the last running thread, exit the process */
631 process
->exit_code
= thread
->exit_code
;
632 generate_debug_event( thread
, EXIT_PROCESS_DEBUG_EVENT
, process
);
633 process_killed( process
);
635 else generate_debug_event( thread
, EXIT_THREAD_DEBUG_EVENT
, thread
);
636 release_object( thread
);
639 /* suspend all the threads of a process */
640 void suspend_process( struct process
*process
)
642 if (!process
->suspend
++)
644 struct thread
*thread
= process
->thread_list
;
647 struct thread
*next
= thread
->proc_next
;
648 if (!thread
->suspend
) stop_thread( thread
);
654 /* resume all the threads of a process */
655 void resume_process( struct process
*process
)
657 assert (process
->suspend
> 0);
658 if (!--process
->suspend
)
660 struct thread
*thread
= process
->thread_list
;
663 struct thread
*next
= thread
->proc_next
;
664 if (!thread
->suspend
) wake_thread( thread
);
670 /* kill a process on the spot */
671 void kill_process( struct process
*process
, struct thread
*skip
, int exit_code
)
673 struct thread
*thread
= process
->thread_list
;
677 struct thread
*next
= thread
->proc_next
;
678 thread
->exit_code
= exit_code
;
679 if (thread
!= skip
) kill_thread( thread
, 1 );
684 /* kill all processes being debugged by a given thread */
685 void kill_debugged_processes( struct thread
*debugger
, int exit_code
)
687 for (;;) /* restart from the beginning of the list every time */
689 struct process
*process
= first_process
;
690 /* find the first process being debugged by 'debugger' and still running */
691 while (process
&& (process
->debugger
!= debugger
|| !process
->running_threads
))
692 process
= process
->next
;
693 if (!process
) return;
694 process
->debugger
= NULL
;
695 kill_process( process
, NULL
, exit_code
);
700 /* detach a debugger from all its debuggees */
701 void detach_debugged_processes( struct thread
*debugger
)
703 struct process
*process
;
704 for (process
= first_process
; process
; process
= process
->next
)
706 if (process
->debugger
== debugger
&& process
->running_threads
)
708 debugger_detach( process
, debugger
);
714 void enum_processes( int (*cb
)(struct process
*, void*), void *user
)
716 struct process
*process
;
717 for (process
= first_process
; process
; process
= process
->next
)
719 if ((cb
)(process
, user
)) break;
724 /* read data from a process memory space */
725 /* len is the total size (in ints) */
726 static int read_process_memory( struct process
*process
, const int *addr
, size_t len
, int *dest
)
728 struct thread
*thread
= process
->thread_list
;
730 assert( !((unsigned int)addr
% sizeof(int)) ); /* address must be aligned */
732 if (!thread
) /* process is dead */
734 set_error( STATUS_ACCESS_DENIED
);
737 if (suspend_for_ptrace( thread
))
741 if (read_thread_int( thread
, addr
++, dest
++ ) == -1) break;
744 resume_after_ptrace( thread
);
749 /* make sure we can write to the whole address range */
750 /* len is the total size (in ints) */
751 static int check_process_write_access( struct thread
*thread
, int *addr
, size_t len
)
753 int page
= get_page_size() / sizeof(int);
757 if (write_thread_int( thread
, addr
, 0, 0 ) == -1) return 0;
758 if (len
<= page
) break;
762 return (write_thread_int( thread
, addr
+ len
- 1, 0, 0 ) != -1);
765 /* write data to a process memory space */
766 /* len is the total size (in ints), max is the size we can actually read from the input buffer */
767 /* we check the total size for write permissions */
768 static int write_process_memory( struct process
*process
, int *addr
, size_t len
,
769 unsigned int first_mask
, unsigned int last_mask
, const int *src
)
771 struct thread
*thread
= process
->thread_list
;
774 assert( !((unsigned int)addr
% sizeof(int) )); /* address must be aligned */
776 if (!thread
) /* process is dead */
778 set_error( STATUS_ACCESS_DENIED
);
781 if (suspend_for_ptrace( thread
))
783 if (!check_process_write_access( thread
, addr
, len
))
785 set_error( STATUS_ACCESS_DENIED
);
788 /* first word is special */
791 if (write_thread_int( thread
, addr
++, *src
++, first_mask
) == -1) goto done
;
794 else last_mask
&= first_mask
;
798 if (write_thread_int( thread
, addr
++, *src
++, ~0 ) == -1) goto done
;
802 /* last word is special too */
803 if (write_thread_int( thread
, addr
, *src
, last_mask
) == -1) goto done
;
807 resume_after_ptrace( thread
);
812 /* set the debugged flag in the process PEB */
813 int set_process_debug_flag( struct process
*process
, int flag
)
815 int mask
= 0, data
= 0;
817 /* BeingDebugged flag is the byte at offset 2 in the PEB */
818 memset( (char *)&mask
+ 2, 0xff, 1 );
819 memset( (char *)&data
+ 2, flag
, 1 );
820 return write_process_memory( process
, process
->peb
, 1, mask
, mask
, &data
);
823 /* take a snapshot of currently running processes */
824 struct process_snapshot
*process_snap( int *count
)
826 struct process_snapshot
*snapshot
, *ptr
;
827 struct process
*process
;
828 if (!running_processes
) return NULL
;
829 if (!(snapshot
= mem_alloc( sizeof(*snapshot
) * running_processes
)))
832 for (process
= first_process
; process
; process
= process
->next
)
834 if (!process
->running_threads
) continue;
835 ptr
->process
= process
;
836 ptr
->threads
= process
->running_threads
;
837 ptr
->count
= process
->obj
.refcount
;
838 ptr
->priority
= process
->priority
;
839 ptr
->handles
= get_handle_table_count(process
);
840 grab_object( process
);
843 *count
= running_processes
;
847 /* take a snapshot of the modules of a process */
848 struct module_snapshot
*module_snap( struct process
*process
, int *count
)
850 struct module_snapshot
*snapshot
, *ptr
;
851 struct process_dll
*dll
;
854 for (dll
= &process
->exe
; dll
; dll
= dll
->next
) total
++;
855 if (!(snapshot
= mem_alloc( sizeof(*snapshot
) * total
))) return NULL
;
857 for (ptr
= snapshot
, dll
= &process
->exe
; dll
; dll
= dll
->next
, ptr
++)
859 ptr
->base
= dll
->base
;
860 ptr
->size
= dll
->size
;
861 ptr
->namelen
= dll
->namelen
;
862 ptr
->filename
= memdup( dll
->filename
, dll
->namelen
);
869 /* create a new process */
870 DECL_HANDLER(new_process
)
872 struct startup_info
*info
;
874 /* build the startup info for a new process */
875 if (!(info
= alloc_object( &startup_info_ops
))) return;
876 list_add_head( &startup_info_list
, &info
->entry
);
877 info
->inherit_all
= req
->inherit_all
;
878 info
->create_flags
= req
->create_flags
;
879 info
->unix_pid
= req
->unix_pid
;
880 info
->hstdin
= req
->hstdin
;
881 info
->hstdout
= req
->hstdout
;
882 info
->hstderr
= req
->hstderr
;
883 info
->exe_file
= NULL
;
884 info
->owner
= (struct thread
*)grab_object( current
);
885 info
->process
= NULL
;
887 info
->data_size
= get_req_data_size();
891 !(info
->exe_file
= get_file_obj( current
->process
, req
->exe_file
, GENERIC_READ
)))
894 if (!(info
->data
= memdup( get_req_data(), info
->data_size
))) goto done
;
895 reply
->info
= alloc_handle( current
->process
, info
, SYNCHRONIZE
, FALSE
);
898 release_object( info
);
901 /* Retrieve information about a newly started process */
902 DECL_HANDLER(get_new_process_info
)
904 struct startup_info
*info
;
906 if ((info
= (struct startup_info
*)get_handle_obj( current
->process
, req
->info
,
907 0, &startup_info_ops
)))
909 reply
->pid
= get_process_id( info
->process
);
910 reply
->tid
= get_thread_id( info
->thread
);
911 reply
->phandle
= alloc_handle( current
->process
, info
->process
,
912 PROCESS_ALL_ACCESS
, req
->pinherit
);
913 reply
->thandle
= alloc_handle( current
->process
, info
->thread
,
914 THREAD_ALL_ACCESS
, req
->tinherit
);
915 reply
->success
= is_process_init_done( info
->process
);
916 release_object( info
);
928 /* Retrieve the new process startup info */
929 DECL_HANDLER(get_startup_info
)
931 struct startup_info
*info
;
933 if ((info
= current
->process
->startup_info
))
935 size_t size
= info
->data_size
;
936 if (size
> get_reply_max_size()) size
= get_reply_max_size();
938 /* we return the data directly without making a copy so this can only be called once */
939 set_reply_data_ptr( info
->data
, size
);
946 /* initialize a new process */
947 DECL_HANDLER(init_process
)
949 if (current
->unix_pid
== -1)
951 fatal_protocol_error( current
, "init_process: init_thread not called yet\n" );
954 if (current
->process
->startup_info
)
956 fatal_protocol_error( current
, "init_process: called twice\n" );
959 if (!req
->peb
|| (unsigned int)req
->peb
% sizeof(int))
961 fatal_protocol_error( current
, "init_process: bad peb address\n" );
964 if (!req
->ldt_copy
|| (unsigned int)req
->ldt_copy
% sizeof(int))
966 fatal_protocol_error( current
, "init_process: bad ldt_copy address\n" );
969 reply
->info_size
= 0;
970 current
->process
->peb
= req
->peb
;
971 current
->process
->ldt_copy
= req
->ldt_copy
;
972 current
->process
->startup_info
= init_process( reply
);
975 /* signal the end of the process initialization */
976 DECL_HANDLER(init_process_done
)
978 struct file
*file
= NULL
;
979 struct process
*process
= current
->process
;
981 if (is_process_init_done(process
))
983 fatal_protocol_error( current
, "init_process_done: called twice\n" );
988 fatal_protocol_error( current
, "init_process_done: module base address cannot be 0\n" );
991 process
->exe
.base
= req
->module
;
992 process
->exe
.size
= req
->module_size
;
993 process
->exe
.name
= req
->name
;
995 if (req
->exe_file
) file
= get_file_obj( process
, req
->exe_file
, GENERIC_READ
);
996 if (process
->exe
.file
) release_object( process
->exe
.file
);
997 process
->exe
.file
= file
;
999 if ((process
->exe
.namelen
= get_req_data_size()))
1000 process
->exe
.filename
= memdup( get_req_data(), process
->exe
.namelen
);
1002 generate_startup_debug_events( process
, req
->entry
);
1003 set_process_startup_state( process
, STARTUP_DONE
);
1005 if (req
->gui
) process
->idle_event
= create_event( NULL
, 0, 1, 0 );
1006 if (current
->suspend
+ process
->suspend
> 0) stop_thread( current
);
1007 if (process
->debugger
) set_process_debug_flag( process
, 1 );
1010 /* open a handle to a process */
1011 DECL_HANDLER(open_process
)
1013 struct process
*process
= get_process_from_id( req
->pid
);
1017 reply
->handle
= alloc_handle( current
->process
, process
, req
->access
, req
->inherit
);
1018 release_object( process
);
1022 /* terminate a process */
1023 DECL_HANDLER(terminate_process
)
1025 struct process
*process
;
1027 if ((process
= get_process_from_handle( req
->handle
, PROCESS_TERMINATE
)))
1029 reply
->self
= (current
->process
== process
);
1030 kill_process( process
, current
, req
->exit_code
);
1031 release_object( process
);
1035 /* fetch information about a process */
1036 DECL_HANDLER(get_process_info
)
1038 struct process
*process
;
1040 if ((process
= get_process_from_handle( req
->handle
, PROCESS_QUERY_INFORMATION
)))
1042 reply
->pid
= get_process_id( process
);
1043 reply
->exit_code
= process
->exit_code
;
1044 reply
->priority
= process
->priority
;
1045 reply
->process_affinity
= process
->affinity
;
1046 reply
->system_affinity
= 1;
1047 release_object( process
);
1051 /* set information about a process */
1052 DECL_HANDLER(set_process_info
)
1054 struct process
*process
;
1056 if ((process
= get_process_from_handle( req
->handle
, PROCESS_SET_INFORMATION
)))
1058 if (req
->mask
& SET_PROCESS_INFO_PRIORITY
) process
->priority
= req
->priority
;
1059 if (req
->mask
& SET_PROCESS_INFO_AFFINITY
)
1061 if (req
->affinity
!= 1) set_error( STATUS_INVALID_PARAMETER
);
1062 else process
->affinity
= req
->affinity
;
1064 release_object( process
);
1068 /* read data from a process address space */
1069 DECL_HANDLER(read_process_memory
)
1071 struct process
*process
;
1072 size_t len
= get_reply_max_size();
1074 if (!(process
= get_process_from_handle( req
->handle
, PROCESS_VM_READ
))) return;
1078 unsigned int start_offset
= (unsigned int)req
->addr
% sizeof(int);
1079 unsigned int nb_ints
= (len
+ start_offset
+ sizeof(int) - 1) / sizeof(int);
1080 const int *start
= (int *)((char *)req
->addr
- start_offset
);
1081 int *buffer
= mem_alloc( nb_ints
* sizeof(int) );
1084 if (read_process_memory( process
, start
, nb_ints
, buffer
))
1086 /* move start of requested data to start of buffer */
1087 if (start_offset
) memmove( buffer
, (char *)buffer
+ start_offset
, len
);
1088 set_reply_data_ptr( buffer
, len
);
1093 release_object( process
);
1096 /* write data to a process address space */
1097 DECL_HANDLER(write_process_memory
)
1099 struct process
*process
;
1101 if ((process
= get_process_from_handle( req
->handle
, PROCESS_VM_WRITE
)))
1103 size_t len
= get_req_data_size();
1104 if ((len
% sizeof(int)) || ((unsigned int)req
->addr
% sizeof(int)))
1105 set_error( STATUS_INVALID_PARAMETER
);
1108 if (len
) write_process_memory( process
, req
->addr
, len
/ sizeof(int),
1109 req
->first_mask
, req
->last_mask
, get_req_data() );
1111 release_object( process
);
1115 /* notify the server that a dll has been loaded */
1116 DECL_HANDLER(load_dll
)
1118 struct process_dll
*dll
;
1119 struct file
*file
= NULL
;
1123 if (!(file
= get_file_obj( current
->process
, req
->handle
, GENERIC_READ
))) return;
1124 if (is_file_removable( file
)) /* don't keep the file open on removable media */
1126 release_object( file
);
1131 if ((dll
= process_load_dll( current
->process
, file
, req
->base
,
1132 get_req_data(), get_req_data_size() )))
1134 dll
->size
= req
->size
;
1135 dll
->dbg_offset
= req
->dbg_offset
;
1136 dll
->dbg_size
= req
->dbg_size
;
1137 dll
->name
= req
->name
;
1138 /* only generate event if initialization is done */
1139 if (is_process_init_done( current
->process
))
1140 generate_debug_event( current
, LOAD_DLL_DEBUG_EVENT
, dll
);
1142 if (file
) release_object( file
);
1145 /* notify the server that a dll is being unloaded */
1146 DECL_HANDLER(unload_dll
)
1148 process_unload_dll( current
->process
, req
->base
);
1151 /* retrieve information about a module in a process */
1152 DECL_HANDLER(get_dll_info
)
1154 struct process
*process
;
1156 if ((process
= get_process_from_handle( req
->handle
, PROCESS_QUERY_INFORMATION
)))
1158 struct process_dll
*dll
;
1160 for (dll
= &process
->exe
; dll
; dll
= dll
->next
)
1162 if (dll
->base
== req
->base_address
)
1164 reply
->size
= dll
->size
;
1165 reply
->entry_point
= 0; /* FIXME */
1168 size_t len
= min( dll
->namelen
, get_reply_max_size() );
1169 set_reply_data( dll
->filename
, len
);
1175 set_error(STATUS_DLL_NOT_FOUND
);
1176 release_object( process
);
1180 /* wait for a process to start waiting on input */
1181 /* FIXME: only returns event for now, wait is done in the client */
1182 DECL_HANDLER(wait_input_idle
)
1184 struct process
*process
;
1187 if ((process
= get_process_from_handle( req
->handle
, PROCESS_QUERY_INFORMATION
)))
1189 if (process
->idle_event
&& process
!= current
->process
&& process
->queue
!= current
->queue
)
1190 reply
->event
= alloc_handle( current
->process
, process
->idle_event
,
1191 EVENT_ALL_ACCESS
, 0 );
1192 release_object( process
);