2 * Server-side process management
4 * Copyright (C) 1998 Alexandre Julliard
17 #ifdef HAVE_SYS_SOCKET_H
18 # include <sys/socket.h>
30 /* process structure */
32 static struct process
*first_process
;
33 static int running_processes
;
35 /* process operations */
37 static void process_dump( struct object
*obj
, int verbose
);
38 static int process_signaled( struct object
*obj
, struct thread
*thread
);
39 static void process_destroy( struct object
*obj
);
41 static const struct object_ops process_ops
=
43 sizeof(struct process
), /* size */
44 process_dump
, /* dump */
45 add_queue
, /* add_queue */
46 remove_queue
, /* remove_queue */
47 process_signaled
, /* signaled */
48 no_satisfied
, /* satisfied */
49 NULL
, /* get_poll_events */
50 NULL
, /* poll_event */
51 no_read_fd
, /* get_read_fd */
52 no_write_fd
, /* get_write_fd */
54 no_get_file_info
, /* get_file_info */
55 process_destroy
/* destroy */
58 /* process startup info */
62 struct object obj
; /* object header */
63 int inherit_all
; /* inherit all handles from parent */
64 int create_flags
; /* creation flags */
65 int start_flags
; /* flags from startup info */
66 int exe_file
; /* file handle for main exe */
67 int hstdin
; /* handle for stdin */
68 int hstdout
; /* handle for stdout */
69 int hstderr
; /* handle for stderr */
70 int cmd_show
; /* main window show mode */
71 struct process
*process
; /* created process */
72 struct thread
*thread
; /* created thread */
75 static void startup_info_dump( struct object
*obj
, int verbose
);
76 static int startup_info_signaled( struct object
*obj
, struct thread
*thread
);
77 static void startup_info_destroy( struct object
*obj
);
79 static const struct object_ops startup_info_ops
=
81 sizeof(struct startup_info
), /* size */
82 startup_info_dump
, /* dump */
83 add_queue
, /* add_queue */
84 remove_queue
, /* remove_queue */
85 startup_info_signaled
, /* signaled */
86 no_satisfied
, /* satisfied */
87 NULL
, /* get_poll_events */
88 NULL
, /* poll_event */
89 no_read_fd
, /* get_read_fd */
90 no_write_fd
, /* get_write_fd */
92 no_get_file_info
, /* get_file_info */
93 startup_info_destroy
/* destroy */
97 /* set the console and stdio handles for a newly created process */
98 static int set_process_console( struct process
*process
, struct process
*parent
,
99 struct startup_info
*info
, struct init_process_request
*req
)
101 if (process
->create_flags
& CREATE_NEW_CONSOLE
)
103 if (!alloc_console( process
)) return 0;
105 else if (parent
&& !(process
->create_flags
& DETACHED_PROCESS
))
107 if (parent
->console_in
) process
->console_in
= grab_object( parent
->console_in
);
108 if (parent
->console_out
) process
->console_out
= grab_object( parent
->console_out
);
112 if (!info
->inherit_all
&& !(info
->start_flags
& STARTF_USESTDHANDLES
))
114 /* duplicate the handle from the parent into this process */
115 req
->hstdin
= duplicate_handle( parent
, info
->hstdin
, process
,
116 0, TRUE
, DUPLICATE_SAME_ACCESS
);
117 req
->hstdout
= duplicate_handle( parent
, info
->hstdout
, process
,
118 0, TRUE
, DUPLICATE_SAME_ACCESS
);
119 req
->hstderr
= duplicate_handle( parent
, info
->hstderr
, process
,
120 0, TRUE
, DUPLICATE_SAME_ACCESS
);
124 req
->hstdin
= info
->hstdin
;
125 req
->hstdout
= info
->hstdout
;
126 req
->hstderr
= info
->hstderr
;
131 /* no parent, use handles to the console for stdio */
132 req
->hstdin
= alloc_handle( process
, process
->console_in
,
133 GENERIC_READ
| GENERIC_WRITE
| SYNCHRONIZE
, 1 );
134 req
->hstdout
= alloc_handle( process
, process
->console_out
,
135 GENERIC_READ
| GENERIC_WRITE
| SYNCHRONIZE
, 1 );
136 req
->hstderr
= alloc_handle( process
, process
->console_out
,
137 GENERIC_READ
| GENERIC_WRITE
| SYNCHRONIZE
, 1 );
142 /* create a new process and its main thread */
143 struct thread
*create_process( int fd
)
145 struct process
*process
;
146 struct thread
*thread
= NULL
;
148 if (!(process
= alloc_object( &process_ops
, -1 )))
153 process
->next
= NULL
;
154 process
->prev
= NULL
;
155 process
->thread_list
= NULL
;
156 process
->debugger
= NULL
;
157 process
->handles
= NULL
;
158 process
->exit_code
= STILL_ACTIVE
;
159 process
->running_threads
= 0;
160 process
->priority
= NORMAL_PRIORITY_CLASS
;
161 process
->affinity
= 1;
162 process
->suspend
= 0;
163 process
->create_flags
= 0;
164 process
->console_in
= NULL
;
165 process
->console_out
= NULL
;
166 process
->init_event
= NULL
;
167 process
->ldt_copy
= NULL
;
168 process
->ldt_flags
= NULL
;
169 process
->exe
.next
= NULL
;
170 process
->exe
.prev
= NULL
;
171 process
->exe
.file
= NULL
;
172 process
->exe
.dbg_offset
= 0;
173 process
->exe
.dbg_size
= 0;
174 gettimeofday( &process
->start_time
, NULL
);
175 if ((process
->next
= first_process
) != NULL
) process
->next
->prev
= process
;
176 first_process
= process
;
178 /* create the main thread */
179 if (!(thread
= create_thread( fd
, process
))) goto error
;
181 /* create the init done event */
182 if (!(process
->init_event
= create_event( NULL
, 0, 1, 0 ))) goto error
;
184 add_process_thread( process
, thread
);
185 release_object( process
);
189 if (thread
) release_object( thread
);
190 release_object( process
);
194 /* initialize the current process and fill in the request */
195 static void init_process( int ppid
, struct init_process_request
*req
)
197 struct process
*process
= current
->process
;
198 struct thread
*parent_thread
= get_thread_from_pid( ppid
);
199 struct process
*parent
= NULL
;
200 struct startup_info
*info
= NULL
;
204 parent
= parent_thread
->process
;
205 info
= parent_thread
->info
;
208 fatal_protocol_error( current
, "init_process: parent but no info\n" );
213 fatal_protocol_error( current
, "init_process: called twice?\n" );
218 /* set the process flags */
219 process
->create_flags
= info
? info
->create_flags
: CREATE_NEW_CONSOLE
;
221 /* create the handle table */
222 if (parent
&& info
->inherit_all
== 2) /* HACK! */
223 process
->handles
= grab_object( parent
->handles
);
224 else if (parent
&& info
->inherit_all
)
225 process
->handles
= copy_handle_table( process
, parent
);
227 process
->handles
= alloc_handle_table( process
, 0 );
228 if (!process
->handles
) goto error
;
230 /* retrieve the main exe file */
232 if (parent
&& info
->exe_file
!= -1)
234 if (!(process
->exe
.file
= get_file_obj( parent
, info
->exe_file
, GENERIC_READ
)))
236 if ((req
->exe_file
= alloc_handle( process
, process
->exe
.file
, GENERIC_READ
, 0 )) == -1)
240 /* set the process console */
241 if (!set_process_console( process
, parent
, info
, req
)) goto error
;
245 /* attach to the debugger if requested */
246 if (process
->create_flags
& (DEBUG_PROCESS
| DEBUG_ONLY_THIS_PROCESS
))
247 set_process_debugger( process
, parent_thread
);
248 else if (parent
&& parent
->debugger
&& !(parent
->create_flags
& DEBUG_ONLY_THIS_PROCESS
))
249 set_process_debugger( process
, parent
->debugger
);
252 /* thread will be actually suspended in init_done */
253 if (process
->create_flags
& CREATE_SUSPENDED
) current
->suspend
++;
257 req
->start_flags
= info
->start_flags
;
258 req
->cmd_show
= info
->cmd_show
;
259 info
->process
= (struct process
*)grab_object( process
);
260 info
->thread
= (struct thread
*)grab_object( current
);
261 wake_up( &info
->obj
, 0 );
265 req
->start_flags
= STARTF_USESTDHANDLES
;
271 /* destroy a process when its refcount is 0 */
272 static void process_destroy( struct object
*obj
)
274 struct process
*process
= (struct process
*)obj
;
275 assert( obj
->ops
== &process_ops
);
277 /* we can't have a thread remaining */
278 assert( !process
->thread_list
);
279 if (process
->next
) process
->next
->prev
= process
->prev
;
280 if (process
->prev
) process
->prev
->next
= process
->next
;
281 else first_process
= process
->next
;
282 if (process
->init_event
) release_object( process
->init_event
);
283 if (process
->exe
.file
) release_object( process
->exe
.file
);
286 /* dump a process on stdout for debugging purposes */
287 static void process_dump( struct object
*obj
, int verbose
)
289 struct process
*process
= (struct process
*)obj
;
290 assert( obj
->ops
== &process_ops
);
292 fprintf( stderr
, "Process next=%p prev=%p console=%p/%p handles=%p\n",
293 process
->next
, process
->prev
, process
->console_in
, process
->console_out
,
297 static int process_signaled( struct object
*obj
, struct thread
*thread
)
299 struct process
*process
= (struct process
*)obj
;
300 return !process
->running_threads
;
304 static void startup_info_destroy( struct object
*obj
)
306 struct startup_info
*info
= (struct startup_info
*)obj
;
307 assert( obj
->ops
== &startup_info_ops
);
308 if (info
->process
) release_object( info
->process
);
309 if (info
->thread
) release_object( info
->thread
);
312 static void startup_info_dump( struct object
*obj
, int verbose
)
314 struct startup_info
*info
= (struct startup_info
*)obj
;
315 assert( obj
->ops
== &startup_info_ops
);
317 fprintf( stderr
, "Startup info flags=%x in=%d out=%d err=%d\n",
318 info
->start_flags
, info
->hstdin
, info
->hstdout
, info
->hstderr
);
321 static int startup_info_signaled( struct object
*obj
, struct thread
*thread
)
323 struct startup_info
*info
= (struct startup_info
*)obj
;
324 return (info
->thread
!= NULL
);
328 /* build a reply for the wait_process request */
329 static void build_wait_process_reply( struct thread
*thread
, struct object
*obj
, int signaled
)
331 struct wait_process_request
*req
= get_req_ptr( thread
);
334 struct startup_info
*info
= (struct startup_info
*)obj
;
335 assert( obj
->ops
== &startup_info_ops
);
337 req
->pid
= get_process_id( info
->process
);
338 req
->tid
= get_thread_id( info
->thread
);
339 req
->phandle
= alloc_handle( thread
->process
, info
->process
,
340 PROCESS_ALL_ACCESS
, req
->pinherit
);
341 req
->thandle
= alloc_handle( thread
->process
, info
->thread
,
342 THREAD_ALL_ACCESS
, req
->tinherit
);
343 if (info
->process
->init_event
)
344 req
->event
= alloc_handle( thread
->process
, info
->process
->init_event
,
345 EVENT_ALL_ACCESS
, 0 );
349 /* FIXME: set_error */
351 release_object( thread
->info
);
355 /* get a process from an id (and increment the refcount) */
356 struct process
*get_process_from_id( void *id
)
358 struct process
*p
= first_process
;
359 while (p
&& (p
!= id
)) p
= p
->next
;
360 if (p
) grab_object( p
);
361 else set_error( STATUS_INVALID_PARAMETER
);
365 /* get a process from a handle (and increment the refcount) */
366 struct process
*get_process_from_handle( int handle
, unsigned int access
)
368 return (struct process
*)get_handle_obj( current
->process
, handle
,
369 access
, &process_ops
);
372 /* add a dll to a process list */
373 static struct process_dll
*process_load_dll( struct process
*process
, struct file
*file
,
376 struct process_dll
*dll
;
378 /* make sure we don't already have one with the same base address */
379 for (dll
= process
->exe
.next
; dll
; dll
= dll
->next
) if (dll
->base
== base
)
381 set_error( STATUS_INVALID_PARAMETER
);
385 if ((dll
= mem_alloc( sizeof(*dll
) )))
387 dll
->prev
= &process
->exe
;
390 if (file
) dll
->file
= (struct file
*)grab_object( file
);
391 if ((dll
->next
= process
->exe
.next
)) dll
->next
->prev
= dll
;
392 process
->exe
.next
= dll
;
397 /* remove a dll from a process list */
398 static void process_unload_dll( struct process
*process
, void *base
)
400 struct process_dll
*dll
;
402 for (dll
= process
->exe
.next
; dll
; dll
= dll
->next
)
404 if (dll
->base
== base
)
406 if (dll
->file
) release_object( dll
->file
);
407 if (dll
->next
) dll
->next
->prev
= dll
->prev
;
408 if (dll
->prev
) dll
->prev
->next
= dll
->next
;
410 generate_debug_event( current
, UNLOAD_DLL_DEBUG_EVENT
, base
);
414 set_error( STATUS_INVALID_PARAMETER
);
417 /* a process has been killed (i.e. its last thread died) */
418 static void process_killed( struct process
*process
)
420 assert( !process
->thread_list
);
421 gettimeofday( &process
->end_time
, NULL
);
422 if (process
->handles
) release_object( process
->handles
);
423 process
->handles
= NULL
;
424 free_console( process
);
425 while (process
->exe
.next
)
427 struct process_dll
*dll
= process
->exe
.next
;
428 process
->exe
.next
= dll
->next
;
429 if (dll
->file
) release_object( dll
->file
);
432 if (process
->exe
.file
) release_object( process
->exe
.file
);
433 process
->exe
.file
= NULL
;
434 wake_up( &process
->obj
, 0 );
435 if (!--running_processes
)
437 /* last process died, close global handles */
438 close_global_handles();
439 /* this will cause the select loop to terminate */
440 if (!persistent_server
) close_master_socket();
444 /* add a thread to a process running threads list */
445 void add_process_thread( struct process
*process
, struct thread
*thread
)
447 thread
->proc_next
= process
->thread_list
;
448 thread
->proc_prev
= NULL
;
449 if (thread
->proc_next
) thread
->proc_next
->proc_prev
= thread
;
450 process
->thread_list
= thread
;
451 if (!process
->running_threads
++) running_processes
++;
452 grab_object( thread
);
455 /* remove a thread from a process running threads list */
456 void remove_process_thread( struct process
*process
, struct thread
*thread
)
458 assert( process
->running_threads
> 0 );
459 assert( process
->thread_list
);
461 if (thread
->proc_next
) thread
->proc_next
->proc_prev
= thread
->proc_prev
;
462 if (thread
->proc_prev
) thread
->proc_prev
->proc_next
= thread
->proc_next
;
463 else process
->thread_list
= thread
->proc_next
;
465 if (!--process
->running_threads
)
467 /* we have removed the last running thread, exit the process */
468 process
->exit_code
= thread
->exit_code
;
469 generate_debug_event( thread
, EXIT_PROCESS_DEBUG_EVENT
, process
);
470 process_killed( process
);
472 else generate_debug_event( thread
, EXIT_THREAD_DEBUG_EVENT
, thread
);
473 release_object( thread
);
476 /* suspend all the threads of a process */
477 void suspend_process( struct process
*process
)
479 if (!process
->suspend
++)
481 struct thread
*thread
= process
->thread_list
;
482 for (; thread
; thread
= thread
->proc_next
)
484 if (!thread
->suspend
) stop_thread( thread
);
489 /* resume all the threads of a process */
490 void resume_process( struct process
*process
)
492 assert (process
->suspend
> 0);
493 if (!--process
->suspend
)
495 struct thread
*thread
= process
->thread_list
;
496 for (; thread
; thread
= thread
->proc_next
)
498 if (!thread
->suspend
) continue_thread( thread
);
503 /* kill a process on the spot */
504 static void kill_process( struct process
*process
, struct thread
*skip
, int exit_code
)
506 struct thread
*thread
= process
->thread_list
;
509 struct thread
*next
= thread
->proc_next
;
510 thread
->exit_code
= exit_code
;
511 if (thread
!= skip
) kill_thread( thread
, 1 );
516 /* kill all processes being debugged by a given thread */
517 void kill_debugged_processes( struct thread
*debugger
, int exit_code
)
519 for (;;) /* restart from the beginning of the list every time */
521 struct process
*process
= first_process
;
522 /* find the first process being debugged by 'debugger' and still running */
523 while (process
&& (process
->debugger
!= debugger
|| !process
->running_threads
))
524 process
= process
->next
;
525 if (!process
) return;
526 process
->debugger
= NULL
;
527 kill_process( process
, NULL
, exit_code
);
531 /* get all information about a process */
532 static void get_process_info( struct process
*process
, struct get_process_info_request
*req
)
535 req
->debugged
= (process
->debugger
!= 0);
536 req
->exit_code
= process
->exit_code
;
537 req
->priority
= process
->priority
;
538 req
->process_affinity
= process
->affinity
;
539 req
->system_affinity
= 1;
542 /* set all information about a process */
543 static void set_process_info( struct process
*process
,
544 struct set_process_info_request
*req
)
546 if (req
->mask
& SET_PROCESS_INFO_PRIORITY
)
547 process
->priority
= req
->priority
;
548 if (req
->mask
& SET_PROCESS_INFO_AFFINITY
)
550 if (req
->affinity
!= 1) set_error( STATUS_INVALID_PARAMETER
);
551 else process
->affinity
= req
->affinity
;
555 /* read data from a process memory space */
556 /* len is the total size (in ints), max is the size we can actually store in the output buffer */
557 /* we read the total size in all cases to check for permissions */
558 static void read_process_memory( struct process
*process
, const int *addr
,
559 size_t len
, size_t max
, int *dest
)
561 struct thread
*thread
= process
->thread_list
;
563 if ((unsigned int)addr
% sizeof(int)) /* address must be aligned */
565 set_error( STATUS_INVALID_PARAMETER
);
568 if (!thread
) /* process is dead */
570 set_error( STATUS_ACCESS_DENIED
);
573 if (suspend_for_ptrace( thread
))
575 while (len
> 0 && max
)
577 if (read_thread_int( thread
, addr
++, dest
++ ) == -1) goto done
;
581 /* check the rest for read permission */
584 int dummy
, page
= get_page_size() / sizeof(int);
589 if (read_thread_int( thread
, addr
- 1, &dummy
) == -1) goto done
;
591 if (len
&& (read_thread_int( thread
, addr
+ len
- 1, &dummy
) == -1)) goto done
;
594 resume_thread( thread
);
598 /* write data to a process memory space */
599 /* len is the total size (in ints), max is the size we can actually read from the input buffer */
600 /* we check the total size for write permissions */
601 static void write_process_memory( struct process
*process
, int *addr
, size_t len
,
602 size_t max
, unsigned int first_mask
,
603 unsigned int last_mask
, const int *src
)
605 struct thread
*thread
= process
->thread_list
;
607 if (!len
|| ((unsigned int)addr
% sizeof(int))) /* address must be aligned */
609 set_error( STATUS_INVALID_PARAMETER
);
612 if (!thread
) /* process is dead */
614 set_error( STATUS_ACCESS_DENIED
);
617 if (suspend_for_ptrace( thread
))
619 /* first word is special */
622 if (write_thread_int( thread
, addr
++, *src
++, first_mask
) == -1) goto done
;
626 else last_mask
&= first_mask
;
628 while (len
> 1 && max
)
630 if (write_thread_int( thread
, addr
++, *src
++, ~0 ) == -1) goto done
;
637 /* last word is special too */
638 if (write_thread_int( thread
, addr
, *src
, last_mask
) == -1) goto done
;
642 /* check the rest for write permission */
643 int page
= get_page_size() / sizeof(int);
648 if (write_thread_int( thread
, addr
- 1, 0, 0 ) == -1) goto done
;
650 if (len
&& (write_thread_int( thread
, addr
+ len
- 1, 0, 0 ) == -1)) goto done
;
653 resume_thread( thread
);
657 /* take a snapshot of currently running processes */
658 struct process_snapshot
*process_snap( int *count
)
660 struct process_snapshot
*snapshot
, *ptr
;
661 struct process
*process
;
662 if (!running_processes
) return NULL
;
663 if (!(snapshot
= mem_alloc( sizeof(*snapshot
) * running_processes
)))
666 for (process
= first_process
; process
; process
= process
->next
)
668 if (!process
->running_threads
) continue;
669 ptr
->process
= process
;
670 ptr
->threads
= process
->running_threads
;
671 ptr
->count
= process
->obj
.refcount
;
672 ptr
->priority
= process
->priority
;
673 grab_object( process
);
676 *count
= running_processes
;
680 /* take a snapshot of the modules of a process */
681 struct module_snapshot
*module_snap( struct process
*process
, int *count
)
683 struct module_snapshot
*snapshot
, *ptr
;
684 struct process_dll
*dll
;
687 for (dll
= &process
->exe
; dll
; dll
= dll
->next
) total
++;
688 if (!(snapshot
= mem_alloc( sizeof(*snapshot
) * total
))) return NULL
;
690 for (ptr
= snapshot
, dll
= &process
->exe
; dll
; dll
= dll
->next
, ptr
++)
692 ptr
->base
= dll
->base
;
699 /* create a new process */
700 DECL_HANDLER(new_process
)
702 struct startup_info
*info
;
707 fatal_protocol_error( current
, "new_process: another process is being created\n" );
711 /* build the startup info for a new process */
712 if (!(info
= alloc_object( &startup_info_ops
, -1 ))) return;
713 info
->inherit_all
= req
->inherit_all
;
714 info
->create_flags
= req
->create_flags
;
715 info
->start_flags
= req
->start_flags
;
716 info
->exe_file
= req
->exe_file
;
717 info
->hstdin
= req
->hstdin
;
718 info
->hstdout
= req
->hstdout
;
719 info
->hstderr
= req
->hstderr
;
720 info
->cmd_show
= req
->cmd_show
;
721 info
->process
= NULL
;
726 if (socketpair( AF_UNIX
, SOCK_STREAM
, 0, sock
) == -1)
729 release_object( info
);
732 if (!create_process( sock
[0] ))
734 release_object( info
);
738 /* thread object will be released when the thread gets killed */
739 set_reply_fd( current
, sock
[1] );
741 current
->info
= info
;
744 /* Wait for the new process to start */
745 DECL_HANDLER(wait_process
)
749 fatal_protocol_error( current
, "wait_process: no process is being created\n" );
758 release_object( current
->info
);
759 current
->info
= NULL
;
763 struct object
*obj
= ¤t
->info
->obj
;
764 sleep_on( 1, &obj
, SELECT_TIMEOUT
, req
->timeout
, build_wait_process_reply
);
768 /* initialize a new process */
769 DECL_HANDLER(init_process
)
771 if (!current
->unix_pid
)
773 fatal_protocol_error( current
, "init_process: init_thread not called yet\n" );
776 current
->process
->ldt_copy
= req
->ldt_copy
;
777 current
->process
->ldt_flags
= req
->ldt_flags
;
778 init_process( req
->ppid
, req
);
781 /* signal the end of the process initialization */
782 DECL_HANDLER(init_process_done
)
784 struct process
*process
= current
->process
;
785 if (!process
->init_event
)
787 fatal_protocol_error( current
, "init_process_done: no event\n" );
790 process
->exe
.base
= req
->module
;
791 generate_startup_debug_events( current
->process
, req
->entry
);
792 set_event( process
->init_event
);
793 release_object( process
->init_event
);
794 process
->init_event
= NULL
;
795 if (current
->suspend
+ current
->process
->suspend
> 0) stop_thread( current
);
796 req
->debugged
= (current
->process
->debugger
!= 0);
799 /* open a handle to a process */
800 DECL_HANDLER(open_process
)
802 struct process
*process
= get_process_from_id( req
->pid
);
806 req
->handle
= alloc_handle( current
->process
, process
, req
->access
, req
->inherit
);
807 release_object( process
);
811 /* terminate a process */
812 DECL_HANDLER(terminate_process
)
814 struct process
*process
;
816 if ((process
= get_process_from_handle( req
->handle
, PROCESS_TERMINATE
)))
818 req
->self
= (current
->process
== process
);
819 kill_process( process
, current
, req
->exit_code
);
820 release_object( process
);
824 /* fetch information about a process */
825 DECL_HANDLER(get_process_info
)
827 struct process
*process
;
829 if ((process
= get_process_from_handle( req
->handle
, PROCESS_QUERY_INFORMATION
)))
831 get_process_info( process
, req
);
832 release_object( process
);
836 /* set information about a process */
837 DECL_HANDLER(set_process_info
)
839 struct process
*process
;
841 if ((process
= get_process_from_handle( req
->handle
, PROCESS_SET_INFORMATION
)))
843 set_process_info( process
, req
);
844 release_object( process
);
848 /* read data from a process address space */
849 DECL_HANDLER(read_process_memory
)
851 struct process
*process
;
853 if ((process
= get_process_from_handle( req
->handle
, PROCESS_VM_READ
)))
855 read_process_memory( process
, req
->addr
, req
->len
,
856 get_req_size( req
, req
->data
, sizeof(int) ), req
->data
);
857 release_object( process
);
861 /* write data to a process address space */
862 DECL_HANDLER(write_process_memory
)
864 struct process
*process
;
866 if ((process
= get_process_from_handle( req
->handle
, PROCESS_VM_WRITE
)))
868 write_process_memory( process
, req
->addr
, req
->len
,
869 get_req_size( req
, req
->data
, sizeof(int) ),
870 req
->first_mask
, req
->last_mask
, req
->data
);
871 release_object( process
);
875 /* notify the server that a dll has been loaded */
876 DECL_HANDLER(load_dll
)
878 struct process_dll
*dll
;
879 struct file
*file
= NULL
;
881 if ((req
->handle
!= -1) &&
882 !(file
= get_file_obj( current
->process
, req
->handle
, GENERIC_READ
))) return;
884 if ((dll
= process_load_dll( current
->process
, file
, req
->base
)))
886 dll
->dbg_offset
= req
->dbg_offset
;
887 dll
->dbg_size
= req
->dbg_size
;
888 dll
->name
= req
->name
;
889 /* only generate event if initialization is done */
890 if (!current
->process
->init_event
)
891 generate_debug_event( current
, LOAD_DLL_DEBUG_EVENT
, dll
);
893 if (file
) release_object( file
);
896 /* notify the server that a dll is being unloaded */
897 DECL_HANDLER(unload_dll
)
899 process_unload_dll( current
->process
, req
->base
);