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po: Add a number of missing '\n' characters in translations.
[wine.git] / dlls / ntdll / thread.c
blobbd6a00cd56297731d8a6e2df3c6e3997d4da81ff
1 /*
2 * NT threads support
3 *
4 * Copyright 1996, 2003 Alexandre Julliard
5 *
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.
10 *
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.
15 *
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
19 */
20
21 #include "config.h"
22 #include "wine/port.h"
23
24 #include <assert.h>
25 #include <stdarg.h>
26 #include <sys/types.h>
27 #ifdef HAVE_SYS_MMAN_H
28 #include <sys/mman.h>
29 #endif
30 #ifdef HAVE_SYS_TIMES_H
31 #include <sys/times.h>
32 #endif
33
34 #define NONAMELESSUNION
35 #include "ntstatus.h"
36 #define WIN32_NO_STATUS
37 #include "winternl.h"
38 #include "wine/library.h"
39 #include "wine/server.h"
40 #include "wine/debug.h"
41 #include "ntdll_misc.h"
42 #include "ddk/wdm.h"
43 #include "wine/exception.h"
44
45 WINE_DEFAULT_DEBUG_CHANNEL(thread);
46 WINE_DECLARE_DEBUG_CHANNEL(relay);
47
48 struct _KUSER_SHARED_DATA *user_shared_data = NULL;
49
50 PUNHANDLED_EXCEPTION_FILTER unhandled_exception_filter = NULL;
51
52 /* info passed to a starting thread */
53 struct startup_info
54 {
55 TEB *teb;
56 PRTL_THREAD_START_ROUTINE entry_point;
57 void *entry_arg;
58 };
59
60 static PEB *peb;
61 static PEB_LDR_DATA ldr;
62 static RTL_USER_PROCESS_PARAMETERS params; /* default parameters if no parent */
63 static WCHAR current_dir[MAX_NT_PATH_LENGTH];
64 static RTL_BITMAP tls_bitmap;
65 static RTL_BITMAP tls_expansion_bitmap;
66 static RTL_BITMAP fls_bitmap;
67 static LIST_ENTRY tls_links;
68 static int nb_threads = 1;
69
70 /***********************************************************************
71 * get_unicode_string
72 *
73 * Copy a unicode string from the startup info.
74 */
75 static inline void get_unicode_string( UNICODE_STRING *str, WCHAR **src, WCHAR **dst, UINT len )
76 {
77 str->Buffer = *dst;
78 str->Length = len;
79 str->MaximumLength = len + sizeof(WCHAR);
80 memcpy( str->Buffer, *src, len );
81 str->Buffer[len / sizeof(WCHAR)] = 0;
82 *src += len / sizeof(WCHAR);
83 *dst += len / sizeof(WCHAR) + 1;
84 }
85
86 /***********************************************************************
87 * init_user_process_params
88 *
89 * Fill the RTL_USER_PROCESS_PARAMETERS structure from the server.
90 */
91 static NTSTATUS init_user_process_params( SIZE_T data_size, HANDLE *exe_file )
92 {
93 void *ptr;
94 WCHAR *src, *dst;
95 SIZE_T info_size, env_size, size, alloc_size;
96 NTSTATUS status;
97 startup_info_t *info;
98 RTL_USER_PROCESS_PARAMETERS *params = NULL;
99
100 if (!(info = RtlAllocateHeap( GetProcessHeap(), 0, data_size )))
101 return STATUS_NO_MEMORY;
102
103 SERVER_START_REQ( get_startup_info )
104 {
105 wine_server_set_reply( req, info, data_size );
106 if (!(status = wine_server_call( req )))
107 {
108 data_size = wine_server_reply_size( reply );
109 info_size = reply->info_size;
110 env_size = data_size - info_size;
111 *exe_file = wine_server_ptr_handle( reply->exe_file );
112 }
113 }
114 SERVER_END_REQ;
115 if (status != STATUS_SUCCESS) goto done;
116
117 size = sizeof(*params);
118 size += MAX_NT_PATH_LENGTH * sizeof(WCHAR);
119 size += info->dllpath_len + sizeof(WCHAR);
120 size += info->imagepath_len + sizeof(WCHAR);
121 size += info->cmdline_len + sizeof(WCHAR);
122 size += info->title_len + sizeof(WCHAR);
123 size += info->desktop_len + sizeof(WCHAR);
124 size += info->shellinfo_len + sizeof(WCHAR);
125 size += info->runtime_len + sizeof(WCHAR);
126
127 alloc_size = size;
128 status = NtAllocateVirtualMemory( NtCurrentProcess(), (void **)&params, 0, &alloc_size,
129 MEM_COMMIT, PAGE_READWRITE );
130 if (status != STATUS_SUCCESS) goto done;
131
132 NtCurrentTeb()->Peb->ProcessParameters = params;
133 params->AllocationSize = alloc_size;
134 params->Size = size;
135 params->Flags = PROCESS_PARAMS_FLAG_NORMALIZED;
136 params->DebugFlags = info->debug_flags;
137 params->ConsoleHandle = wine_server_ptr_handle( info->console );
138 params->ConsoleFlags = info->console_flags;
139 params->hStdInput = wine_server_ptr_handle( info->hstdin );
140 params->hStdOutput = wine_server_ptr_handle( info->hstdout );
141 params->hStdError = wine_server_ptr_handle( info->hstderr );
142 params->dwX = info->x;
143 params->dwY = info->y;
144 params->dwXSize = info->xsize;
145 params->dwYSize = info->ysize;
146 params->dwXCountChars = info->xchars;
147 params->dwYCountChars = info->ychars;
148 params->dwFillAttribute = info->attribute;
149 params->dwFlags = info->flags;
150 params->wShowWindow = info->show;
151
152 src = (WCHAR *)(info + 1);
153 dst = (WCHAR *)(params + 1);
154
155 /* current directory needs more space */
156 get_unicode_string( &params->CurrentDirectory.DosPath, &src, &dst, info->curdir_len );
157 params->CurrentDirectory.DosPath.MaximumLength = MAX_NT_PATH_LENGTH * sizeof(WCHAR);
158 dst = (WCHAR *)(params + 1) + MAX_NT_PATH_LENGTH;
159
160 get_unicode_string( &params->DllPath, &src, &dst, info->dllpath_len );
161 get_unicode_string( &params->ImagePathName, &src, &dst, info->imagepath_len );
162 get_unicode_string( &params->CommandLine, &src, &dst, info->cmdline_len );
163 get_unicode_string( &params->WindowTitle, &src, &dst, info->title_len );
164 get_unicode_string( &params->Desktop, &src, &dst, info->desktop_len );
165 get_unicode_string( &params->ShellInfo, &src, &dst, info->shellinfo_len );
166
167 /* runtime info isn't a real string */
168 params->RuntimeInfo.Buffer = dst;
169 params->RuntimeInfo.Length = params->RuntimeInfo.MaximumLength = info->runtime_len;
170 memcpy( dst, src, info->runtime_len );
171
172 /* environment needs to be a separate memory block */
173 ptr = NULL;
174 alloc_size = max( 1, env_size );
175 status = NtAllocateVirtualMemory( NtCurrentProcess(), &ptr, 0, &alloc_size,
176 MEM_COMMIT, PAGE_READWRITE );
177 if (status != STATUS_SUCCESS) goto done;
178 memcpy( ptr, (char *)info + info_size, env_size );
179 params->Environment = ptr;
180
181 done:
182 RtlFreeHeap( GetProcessHeap(), 0, info );
183 return status;
184 }
185
186 /***********************************************************************
187 * thread_init
188 *
189 * Setup the initial thread.
190 *
191 * NOTES: The first allocated TEB on NT is at 0x7ffde000.
192 */
193 HANDLE thread_init(void)
194 {
195 TEB *teb;
196 void *addr;
197 SIZE_T size, info_size;
198 HANDLE exe_file = 0;
199 LARGE_INTEGER now;
200 struct ntdll_thread_data *thread_data;
201 static struct debug_info debug_info; /* debug info for initial thread */
202
203 virtual_init();
204
205 /* reserve space for shared user data */
206
207 addr = (void *)0x7ffe0000;
208 size = 0x10000;
209 NtAllocateVirtualMemory( NtCurrentProcess(), &addr, 0, &size, MEM_RESERVE|MEM_COMMIT, PAGE_READWRITE );
210 user_shared_data = addr;
211
212 /* allocate and initialize the PEB */
213
214 addr = NULL;
215 size = sizeof(*peb);
216 NtAllocateVirtualMemory( NtCurrentProcess(), &addr, 1, &size,
217 MEM_COMMIT | MEM_TOP_DOWN, PAGE_READWRITE );
218 peb = addr;
219
220 peb->ProcessParameters = &params;
221 peb->TlsBitmap = &tls_bitmap;
222 peb->TlsExpansionBitmap = &tls_expansion_bitmap;
223 peb->FlsBitmap = &fls_bitmap;
224 peb->LdrData = &ldr;
225 params.CurrentDirectory.DosPath.Buffer = current_dir;
226 params.CurrentDirectory.DosPath.MaximumLength = sizeof(current_dir);
227 params.wShowWindow = 1; /* SW_SHOWNORMAL */
228 RtlInitializeBitMap( &tls_bitmap, peb->TlsBitmapBits, sizeof(peb->TlsBitmapBits) * 8 );
229 RtlInitializeBitMap( &tls_expansion_bitmap, peb->TlsExpansionBitmapBits,
230 sizeof(peb->TlsExpansionBitmapBits) * 8 );
231 RtlInitializeBitMap( &fls_bitmap, peb->FlsBitmapBits, sizeof(peb->FlsBitmapBits) * 8 );
232 InitializeListHead( &peb->FlsListHead );
233 InitializeListHead( &ldr.InLoadOrderModuleList );
234 InitializeListHead( &ldr.InMemoryOrderModuleList );
235 InitializeListHead( &ldr.InInitializationOrderModuleList );
236 InitializeListHead( &tls_links );
237
238 /* allocate and initialize the initial TEB */
239
240 signal_alloc_thread( &teb );
241 teb->Peb = peb;
242 teb->Tib.StackBase = (void *)~0UL;
243 teb->StaticUnicodeString.Buffer = teb->StaticUnicodeBuffer;
244 teb->StaticUnicodeString.MaximumLength = sizeof(teb->StaticUnicodeBuffer);
245
246 thread_data = (struct ntdll_thread_data *)teb->SpareBytes1;
247 thread_data->request_fd = -1;
248 thread_data->reply_fd = -1;
249 thread_data->wait_fd[0] = -1;
250 thread_data->wait_fd[1] = -1;
251 thread_data->debug_info = &debug_info;
252 InsertHeadList( &tls_links, &teb->TlsLinks );
253
254 signal_init_thread( teb );
255 virtual_init_threading();
256
257 debug_info.str_pos = debug_info.strings;
258 debug_info.out_pos = debug_info.output;
259 debug_init();
260
261 /* setup the server connection */
262 server_init_process();
263 info_size = server_init_thread( peb );
264
265 /* create the process heap */
266 if (!(peb->ProcessHeap = RtlCreateHeap( HEAP_GROWABLE, NULL, 0, 0, NULL, NULL )))
267 {
268 MESSAGE( "wine: failed to create the process heap\n" );
269 exit(1);
270 }
271
272 /* allocate user parameters */
273 if (info_size)
274 {
275 init_user_process_params( info_size, &exe_file );
276 }
277 else
278 {
279 if (isatty(0) || isatty(1) || isatty(2))
280 params.ConsoleHandle = (HANDLE)2; /* see kernel32/kernel_private.h */
281 if (!isatty(0))
282 wine_server_fd_to_handle( 0, GENERIC_READ|SYNCHRONIZE, OBJ_INHERIT, &params.hStdInput );
283 if (!isatty(1))
284 wine_server_fd_to_handle( 1, GENERIC_WRITE|SYNCHRONIZE, OBJ_INHERIT, &params.hStdOutput );
285 if (!isatty(2))
286 wine_server_fd_to_handle( 2, GENERIC_WRITE|SYNCHRONIZE, OBJ_INHERIT, &params.hStdError );
287 }
288
289 /* initialize time values in user_shared_data */
290 NtQuerySystemTime( &now );
291 user_shared_data->SystemTime.LowPart = now.u.LowPart;
292 user_shared_data->SystemTime.High1Time = user_shared_data->SystemTime.High2Time = now.u.HighPart;
293 user_shared_data->u.TickCountQuad = (now.QuadPart - server_start_time) / 10000;
294 user_shared_data->u.TickCount.High2Time = user_shared_data->u.TickCount.High1Time;
295 user_shared_data->TickCountLowDeprecated = user_shared_data->u.TickCount.LowPart;
296 user_shared_data->TickCountMultiplier = 1 << 24;
297
298 fill_cpu_info();
299
300 return exe_file;
301 }
302
303
304 /***********************************************************************
305 * terminate_thread
306 */
307 void terminate_thread( int status )
308 {
309 pthread_sigmask( SIG_BLOCK, &server_block_set, NULL );
310 if (interlocked_xchg_add( &nb_threads, -1 ) <= 1) _exit( status );
311
312 close( ntdll_get_thread_data()->wait_fd[0] );
313 close( ntdll_get_thread_data()->wait_fd[1] );
314 close( ntdll_get_thread_data()->reply_fd );
315 close( ntdll_get_thread_data()->request_fd );
316 pthread_exit( UIntToPtr(status) );
317 }
318
319
320 /***********************************************************************
321 * exit_thread
322 */
323 void exit_thread( int status )
324 {
325 static void *prev_teb;
326 TEB *teb;
327
328 if (status) /* send the exit code to the server (0 is already the default) */
329 {
330 SERVER_START_REQ( terminate_thread )
331 {
332 req->handle = wine_server_obj_handle( GetCurrentThread() );
333 req->exit_code = status;
334 wine_server_call( req );
335 }
336 SERVER_END_REQ;
337 }
338
339 if (interlocked_xchg_add( &nb_threads, -1 ) <= 1)
340 {
341 LdrShutdownProcess();
342 exit( status );
343 }
344
345 LdrShutdownThread();
346 RtlAcquirePebLock();
347 RemoveEntryList( &NtCurrentTeb()->TlsLinks );
348 RtlReleasePebLock();
349 RtlFreeHeap( GetProcessHeap(), 0, NtCurrentTeb()->FlsSlots );
350 RtlFreeHeap( GetProcessHeap(), 0, NtCurrentTeb()->TlsExpansionSlots );
351
352 pthread_sigmask( SIG_BLOCK, &server_block_set, NULL );
353
354 if ((teb = interlocked_xchg_ptr( &prev_teb, NtCurrentTeb() )))
355 {
356 struct ntdll_thread_data *thread_data = (struct ntdll_thread_data *)teb->SpareBytes1;
357
358 if (thread_data->pthread_id)
359 {
360 pthread_join( thread_data->pthread_id, NULL );
361 signal_free_thread( teb );
362 }
363 }
364
365 close( ntdll_get_thread_data()->wait_fd[0] );
366 close( ntdll_get_thread_data()->wait_fd[1] );
367 close( ntdll_get_thread_data()->reply_fd );
368 close( ntdll_get_thread_data()->request_fd );
369 pthread_exit( UIntToPtr(status) );
370 }
371
372
373 /***********************************************************************
374 * start_thread
375 *
376 * Startup routine for a newly created thread.
377 */
378 static void start_thread( struct startup_info *info )
379 {
380 TEB *teb = info->teb;
381 struct ntdll_thread_data *thread_data = (struct ntdll_thread_data *)teb->SpareBytes1;
382 PRTL_THREAD_START_ROUTINE func = info->entry_point;
383 void *arg = info->entry_arg;
384 struct debug_info debug_info;
385
386 debug_info.str_pos = debug_info.strings;
387 debug_info.out_pos = debug_info.output;
388 thread_data->debug_info = &debug_info;
389 thread_data->pthread_id = pthread_self();
390
391 signal_init_thread( teb );
392 server_init_thread( func );
393 pthread_sigmask( SIG_UNBLOCK, &server_block_set, NULL );
394
395 RtlAcquirePebLock();
396 InsertHeadList( &tls_links, &teb->TlsLinks );
397 RtlReleasePebLock();
398
399 MODULE_DllThreadAttach( NULL );
400
401 if (TRACE_ON(relay))
402 DPRINTF( "%04x:Starting thread proc %p (arg=%p)\n", GetCurrentThreadId(), func, arg );
403
404 call_thread_entry_point( (LPTHREAD_START_ROUTINE)func, arg );
405 }
406
407
408 /***********************************************************************
409 * RtlCreateUserThread (NTDLL.@)
410 */
411 NTSTATUS WINAPI RtlCreateUserThread( HANDLE process, const SECURITY_DESCRIPTOR *descr,
412 BOOLEAN suspended, PVOID stack_addr,
413 SIZE_T stack_reserve, SIZE_T stack_commit,
414 PRTL_THREAD_START_ROUTINE start, void *param,
415 HANDLE *handle_ptr, CLIENT_ID *id )
416 {
417 sigset_t sigset;
418 pthread_t pthread_id;
419 pthread_attr_t attr;
420 struct ntdll_thread_data *thread_data;
421 struct startup_info *info = NULL;
422 HANDLE handle = 0;
423 TEB *teb = NULL;
424 DWORD tid = 0;
425 int request_pipe[2];
426 NTSTATUS status;
427
428 if (process != NtCurrentProcess())
429 {
430 apc_call_t call;
431 apc_result_t result;
432
433 memset( &call, 0, sizeof(call) );
434
435 call.create_thread.type = APC_CREATE_THREAD;
436 call.create_thread.func = wine_server_client_ptr( start );
437 call.create_thread.arg = wine_server_client_ptr( param );
438 call.create_thread.reserve = stack_reserve;
439 call.create_thread.commit = stack_commit;
440 call.create_thread.suspend = suspended;
441 status = NTDLL_queue_process_apc( process, &call, &result );
442 if (status != STATUS_SUCCESS) return status;
443
444 if (result.create_thread.status == STATUS_SUCCESS)
445 {
446 if (id) id->UniqueThread = ULongToHandle(result.create_thread.tid);
447 if (handle_ptr) *handle_ptr = wine_server_ptr_handle( result.create_thread.handle );
448 else NtClose( wine_server_ptr_handle( result.create_thread.handle ));
449 }
450 return result.create_thread.status;
451 }
452
453 if (server_pipe( request_pipe ) == -1) return STATUS_TOO_MANY_OPENED_FILES;
454 wine_server_send_fd( request_pipe[0] );
455
456 SERVER_START_REQ( new_thread )
457 {
458 req->access = THREAD_ALL_ACCESS;
459 req->attributes = 0; /* FIXME */
460 req->suspend = suspended;
461 req->request_fd = request_pipe[0];
462 if (!(status = wine_server_call( req )))
463 {
464 handle = wine_server_ptr_handle( reply->handle );
465 tid = reply->tid;
466 }
467 close( request_pipe[0] );
468 }
469 SERVER_END_REQ;
470
471 if (status)
472 {
473 close( request_pipe[1] );
474 return status;
475 }
476
477 pthread_sigmask( SIG_BLOCK, &server_block_set, &sigset );
478
479 if ((status = signal_alloc_thread( &teb ))) goto error;
480
481 teb->Peb = NtCurrentTeb()->Peb;
482 teb->ClientId.UniqueProcess = ULongToHandle(GetCurrentProcessId());
483 teb->ClientId.UniqueThread = ULongToHandle(tid);
484 teb->StaticUnicodeString.Buffer = teb->StaticUnicodeBuffer;
485 teb->StaticUnicodeString.MaximumLength = sizeof(teb->StaticUnicodeBuffer);
486
487 info = (struct startup_info *)(teb + 1);
488 info->teb = teb;
489 info->entry_point = start;
490 info->entry_arg = param;
491
492 thread_data = (struct ntdll_thread_data *)teb->SpareBytes1;
493 thread_data->request_fd = request_pipe[1];
494 thread_data->reply_fd = -1;
495 thread_data->wait_fd[0] = -1;
496 thread_data->wait_fd[1] = -1;
497
498 if ((status = virtual_alloc_thread_stack( teb, stack_reserve, stack_commit ))) goto error;
499
500 pthread_attr_init( &attr );
501 pthread_attr_setstack( &attr, teb->DeallocationStack,
502 (char *)teb->Tib.StackBase - (char *)teb->DeallocationStack );
503 pthread_attr_setscope( &attr, PTHREAD_SCOPE_SYSTEM ); /* force creating a kernel thread */
504 interlocked_xchg_add( &nb_threads, 1 );
505 if (pthread_create( &pthread_id, &attr, (void * (*)(void *))start_thread, info ))
506 {
507 interlocked_xchg_add( &nb_threads, -1 );
508 pthread_attr_destroy( &attr );
509 status = STATUS_NO_MEMORY;
510 goto error;
511 }
512 pthread_attr_destroy( &attr );
513 pthread_sigmask( SIG_SETMASK, &sigset, NULL );
514
515 if (id) id->UniqueThread = ULongToHandle(tid);
516 if (handle_ptr) *handle_ptr = handle;
517 else NtClose( handle );
518
519 return STATUS_SUCCESS;
520
521 error:
522 if (teb) signal_free_thread( teb );
523 if (handle) NtClose( handle );
524 pthread_sigmask( SIG_SETMASK, &sigset, NULL );
525 close( request_pipe[1] );
526 return status;
527 }
528
529
530 /******************************************************************************
531 * RtlGetNtGlobalFlags (NTDLL.@)
532 */
533 ULONG WINAPI RtlGetNtGlobalFlags(void)
534 {
535 if (!peb) return 0; /* init not done yet */
536 return peb->NtGlobalFlag;
537 }
538
539
540 /***********************************************************************
541 * NtOpenThread (NTDLL.@)
542 * ZwOpenThread (NTDLL.@)
543 */
544 NTSTATUS WINAPI NtOpenThread( HANDLE *handle, ACCESS_MASK access,
545 const OBJECT_ATTRIBUTES *attr, const CLIENT_ID *id )
546 {
547 NTSTATUS ret;
548
549 SERVER_START_REQ( open_thread )
550 {
551 req->tid = HandleToULong(id->UniqueThread);
552 req->access = access;
553 req->attributes = attr ? attr->Attributes : 0;
554 ret = wine_server_call( req );
555 *handle = wine_server_ptr_handle( reply->handle );
556 }
557 SERVER_END_REQ;
558 return ret;
559 }
560
561
562 /******************************************************************************
563 * NtSuspendThread (NTDLL.@)
564 * ZwSuspendThread (NTDLL.@)
565 */
566 NTSTATUS WINAPI NtSuspendThread( HANDLE handle, PULONG count )
567 {
568 NTSTATUS ret;
569
570 SERVER_START_REQ( suspend_thread )
571 {
572 req->handle = wine_server_obj_handle( handle );
573 if (!(ret = wine_server_call( req ))) *count = reply->count;
574 }
575 SERVER_END_REQ;
576 return ret;
577 }
578
579
580 /******************************************************************************
581 * NtResumeThread (NTDLL.@)
582 * ZwResumeThread (NTDLL.@)
583 */
584 NTSTATUS WINAPI NtResumeThread( HANDLE handle, PULONG count )
585 {
586 NTSTATUS ret;
587
588 SERVER_START_REQ( resume_thread )
589 {
590 req->handle = wine_server_obj_handle( handle );
591 if (!(ret = wine_server_call( req ))) *count = reply->count;
592 }
593 SERVER_END_REQ;
594 return ret;
595 }
596
597
598 /******************************************************************************
599 * NtAlertResumeThread (NTDLL.@)
600 * ZwAlertResumeThread (NTDLL.@)
601 */
602 NTSTATUS WINAPI NtAlertResumeThread( HANDLE handle, PULONG count )
603 {
604 FIXME( "stub: should alert thread %p\n", handle );
605 return NtResumeThread( handle, count );
606 }
607
608
609 /******************************************************************************
610 * NtAlertThread (NTDLL.@)
611 * ZwAlertThread (NTDLL.@)
612 */
613 NTSTATUS WINAPI NtAlertThread( HANDLE handle )
614 {
615 FIXME( "stub: %p\n", handle );
616 return STATUS_NOT_IMPLEMENTED;
617 }
618
619
620 /******************************************************************************
621 * NtTerminateThread (NTDLL.@)
622 * ZwTerminateThread (NTDLL.@)
623 */
624 NTSTATUS WINAPI NtTerminateThread( HANDLE handle, LONG exit_code )
625 {
626 NTSTATUS ret;
627 BOOL self;
628
629 SERVER_START_REQ( terminate_thread )
630 {
631 req->handle = wine_server_obj_handle( handle );
632 req->exit_code = exit_code;
633 ret = wine_server_call( req );
634 self = !ret && reply->self;
635 }
636 SERVER_END_REQ;
637
638 if (self) abort_thread( exit_code );
639 return ret;
640 }
641
642
643 /******************************************************************************
644 * NtQueueApcThread (NTDLL.@)
645 */
646 NTSTATUS WINAPI NtQueueApcThread( HANDLE handle, PNTAPCFUNC func, ULONG_PTR arg1,
647 ULONG_PTR arg2, ULONG_PTR arg3 )
648 {
649 NTSTATUS ret;
650 SERVER_START_REQ( queue_apc )
651 {
652 req->handle = wine_server_obj_handle( handle );
653 if (func)
654 {
655 req->call.type = APC_USER;
656 req->call.user.func = wine_server_client_ptr( func );
657 req->call.user.args[0] = arg1;
658 req->call.user.args[1] = arg2;
659 req->call.user.args[2] = arg3;
660 }
661 else req->call.type = APC_NONE; /* wake up only */
662 ret = wine_server_call( req );
663 }
664 SERVER_END_REQ;
665 return ret;
666 }
667
668
669 /***********************************************************************
670 * NtSetContextThread (NTDLL.@)
671 * ZwSetContextThread (NTDLL.@)
672 */
673 NTSTATUS WINAPI NtSetContextThread( HANDLE handle, const CONTEXT *context )
674 {
675 NTSTATUS ret;
676 DWORD dummy, i;
677 BOOL self = FALSE;
678
679 #ifdef __i386__
680 /* on i386 debug registers always require a server call */
681 self = (handle == GetCurrentThread());
682 if (self && (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386)))
683 {
684 self = (ntdll_get_thread_data()->dr0 == context->Dr0 &&
685 ntdll_get_thread_data()->dr1 == context->Dr1 &&
686 ntdll_get_thread_data()->dr2 == context->Dr2 &&
687 ntdll_get_thread_data()->dr3 == context->Dr3 &&
688 ntdll_get_thread_data()->dr6 == context->Dr6 &&
689 ntdll_get_thread_data()->dr7 == context->Dr7);
690 }
691 #endif
692
693 if (!self)
694 {
695 context_t server_context;
696
697 context_to_server( &server_context, context );
698
699 SERVER_START_REQ( set_thread_context )
700 {
701 req->handle = wine_server_obj_handle( handle );
702 req->suspend = 1;
703 wine_server_add_data( req, &server_context, sizeof(server_context) );
704 ret = wine_server_call( req );
705 self = reply->self;
706 }
707 SERVER_END_REQ;
708
709 if (ret == STATUS_PENDING)
710 {
711 for (i = 0; i < 100; i++)
712 {
713 SERVER_START_REQ( set_thread_context )
714 {
715 req->handle = wine_server_obj_handle( handle );
716 req->suspend = 0;
717 wine_server_add_data( req, &server_context, sizeof(server_context) );
718 ret = wine_server_call( req );
719 }
720 SERVER_END_REQ;
721 if (ret == STATUS_PENDING)
722 {
723 LARGE_INTEGER timeout;
724 timeout.QuadPart = -10000;
725 NtDelayExecution( FALSE, &timeout );
726 }
727 else break;
728 }
729 NtResumeThread( handle, &dummy );
730 if (ret == STATUS_PENDING) ret = STATUS_ACCESS_DENIED;
731 }
732
733 if (ret) return ret;
734 }
735
736 if (self) set_cpu_context( context );
737 return STATUS_SUCCESS;
738 }
739
740
741 /* convert CPU-specific flags to generic server flags */
742 static inline unsigned int get_server_context_flags( DWORD flags )
743 {
744 unsigned int ret = 0;
745
746 flags &= 0x3f; /* mask CPU id flags */
747 if (flags & CONTEXT_CONTROL) ret |= SERVER_CTX_CONTROL;
748 if (flags & CONTEXT_INTEGER) ret |= SERVER_CTX_INTEGER;
749 #ifdef CONTEXT_SEGMENTS
750 if (flags & CONTEXT_SEGMENTS) ret |= SERVER_CTX_SEGMENTS;
751 #endif
752 #ifdef CONTEXT_FLOATING_POINT
753 if (flags & CONTEXT_FLOATING_POINT) ret |= SERVER_CTX_FLOATING_POINT;
754 #endif
755 #ifdef CONTEXT_DEBUG_REGISTERS
756 if (flags & CONTEXT_DEBUG_REGISTERS) ret |= SERVER_CTX_DEBUG_REGISTERS;
757 #endif
758 #ifdef CONTEXT_EXTENDED_REGISTERS
759 if (flags & CONTEXT_EXTENDED_REGISTERS) ret |= SERVER_CTX_EXTENDED_REGISTERS;
760 #endif
761 return ret;
762 }
763
764 /***********************************************************************
765 * NtGetContextThread (NTDLL.@)
766 * ZwGetContextThread (NTDLL.@)
767 */
768 NTSTATUS WINAPI NtGetContextThread( HANDLE handle, CONTEXT *context )
769 {
770 NTSTATUS ret;
771 DWORD dummy, i;
772 DWORD needed_flags = context->ContextFlags;
773 BOOL self = (handle == GetCurrentThread());
774
775 #ifdef __i386__
776 /* on i386 debug registers always require a server call */
777 if (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386)) self = FALSE;
778 #endif
779
780 if (!self)
781 {
782 unsigned int server_flags = get_server_context_flags( context->ContextFlags );
783 context_t server_context;
784
785 SERVER_START_REQ( get_thread_context )
786 {
787 req->handle = wine_server_obj_handle( handle );
788 req->flags = server_flags;
789 req->suspend = 1;
790 wine_server_set_reply( req, &server_context, sizeof(server_context) );
791 ret = wine_server_call( req );
792 self = reply->self;
793 }
794 SERVER_END_REQ;
795
796 if (ret == STATUS_PENDING)
797 {
798 for (i = 0; i < 100; i++)
799 {
800 SERVER_START_REQ( get_thread_context )
801 {
802 req->handle = wine_server_obj_handle( handle );
803 req->flags = server_flags;
804 req->suspend = 0;
805 wine_server_set_reply( req, &server_context, sizeof(server_context) );
806 ret = wine_server_call( req );
807 }
808 SERVER_END_REQ;
809 if (ret == STATUS_PENDING)
810 {
811 LARGE_INTEGER timeout;
812 timeout.QuadPart = -10000;
813 NtDelayExecution( FALSE, &timeout );
814 }
815 else break;
816 }
817 NtResumeThread( handle, &dummy );
818 if (ret == STATUS_PENDING) ret = STATUS_ACCESS_DENIED;
819 }
820 if (!ret) ret = context_from_server( context, &server_context );
821 if (ret) return ret;
822 needed_flags &= ~context->ContextFlags;
823 }
824
825 if (self)
826 {
827 if (needed_flags)
828 {
829 CONTEXT ctx;
830 RtlCaptureContext( &ctx );
831 copy_context( context, &ctx, ctx.ContextFlags & needed_flags );
832 context->ContextFlags |= ctx.ContextFlags & needed_flags;
833 }
834 #ifdef __i386__
835 /* update the cached version of the debug registers */
836 if (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386))
837 {
838 ntdll_get_thread_data()->dr0 = context->Dr0;
839 ntdll_get_thread_data()->dr1 = context->Dr1;
840 ntdll_get_thread_data()->dr2 = context->Dr2;
841 ntdll_get_thread_data()->dr3 = context->Dr3;
842 ntdll_get_thread_data()->dr6 = context->Dr6;
843 ntdll_get_thread_data()->dr7 = context->Dr7;
844 }
845 #endif
846 }
847 return STATUS_SUCCESS;
848 }
849
850
851 /******************************************************************************
852 * NtQueryInformationThread (NTDLL.@)
853 * ZwQueryInformationThread (NTDLL.@)
854 */
855 NTSTATUS WINAPI NtQueryInformationThread( HANDLE handle, THREADINFOCLASS class,
856 void *data, ULONG length, ULONG *ret_len )
857 {
858 NTSTATUS status;
859
860 switch(class)
861 {
862 case ThreadBasicInformation:
863 {
864 THREAD_BASIC_INFORMATION info;
865 const ULONG_PTR affinity_mask = ((ULONG_PTR)1 << NtCurrentTeb()->Peb->NumberOfProcessors) - 1;
866
867 SERVER_START_REQ( get_thread_info )
868 {
869 req->handle = wine_server_obj_handle( handle );
870 req->tid_in = 0;
871 if (!(status = wine_server_call( req )))
872 {
873 info.ExitStatus = reply->exit_code;
874 info.TebBaseAddress = wine_server_get_ptr( reply->teb );
875 info.ClientId.UniqueProcess = ULongToHandle(reply->pid);
876 info.ClientId.UniqueThread = ULongToHandle(reply->tid);
877 info.AffinityMask = reply->affinity & affinity_mask;
878 info.Priority = reply->priority;
879 info.BasePriority = reply->priority; /* FIXME */
880 }
881 }
882 SERVER_END_REQ;
883 if (status == STATUS_SUCCESS)
884 {
885 if (data) memcpy( data, &info, min( length, sizeof(info) ));
886 if (ret_len) *ret_len = min( length, sizeof(info) );
887 }
888 }
889 return status;
890 case ThreadAffinityMask:
891 {
892 const ULONG_PTR affinity_mask = ((ULONG_PTR)1 << NtCurrentTeb()->Peb->NumberOfProcessors) - 1;
893 ULONG_PTR affinity = 0;
894
895 SERVER_START_REQ( get_thread_info )
896 {
897 req->handle = wine_server_obj_handle( handle );
898 req->tid_in = 0;
899 if (!(status = wine_server_call( req )))
900 affinity = reply->affinity & affinity_mask;
901 }
902 SERVER_END_REQ;
903 if (status == STATUS_SUCCESS)
904 {
905 if (data) memcpy( data, &affinity, min( length, sizeof(affinity) ));
906 if (ret_len) *ret_len = min( length, sizeof(affinity) );
907 }
908 }
909 return status;
910 case ThreadTimes:
911 {
912 KERNEL_USER_TIMES kusrt;
913 /* We need to do a server call to get the creation time or exit time */
914 /* This works on any thread */
915 SERVER_START_REQ( get_thread_info )
916 {
917 req->handle = wine_server_obj_handle( handle );
918 req->tid_in = 0;
919 status = wine_server_call( req );
920 if (status == STATUS_SUCCESS)
921 {
922 kusrt.CreateTime.QuadPart = reply->creation_time;
923 kusrt.ExitTime.QuadPart = reply->exit_time;
924 }
925 }
926 SERVER_END_REQ;
927 if (status == STATUS_SUCCESS)
928 {
929 /* We call times(2) for kernel time or user time */
930 /* We can only (portably) do this for the current thread */
931 if (handle == GetCurrentThread())
932 {
933 struct tms time_buf;
934 long clocks_per_sec = sysconf(_SC_CLK_TCK);
935
936 times(&time_buf);
937 kusrt.KernelTime.QuadPart = (ULONGLONG)time_buf.tms_stime * 10000000 / clocks_per_sec;
938 kusrt.UserTime.QuadPart = (ULONGLONG)time_buf.tms_utime * 10000000 / clocks_per_sec;
939 }
940 else
941 {
942 static BOOL reported = FALSE;
943
944 kusrt.KernelTime.QuadPart = 0;
945 kusrt.UserTime.QuadPart = 0;
946 if (reported)
947 TRACE("Cannot get kerneltime or usertime of other threads\n");
948 else
949 {
950 FIXME("Cannot get kerneltime or usertime of other threads\n");
951 reported = TRUE;
952 }
953 }
954 if (data) memcpy( data, &kusrt, min( length, sizeof(kusrt) ));
955 if (ret_len) *ret_len = min( length, sizeof(kusrt) );
956 }
957 }
958 return status;
959 case ThreadDescriptorTableEntry:
960 {
961 #ifdef __i386__
962 THREAD_DESCRIPTOR_INFORMATION* tdi = data;
963 if (length < sizeof(*tdi))
964 status = STATUS_INFO_LENGTH_MISMATCH;
965 else if (!(tdi->Selector & 4)) /* GDT selector */
966 {
967 unsigned sel = tdi->Selector & ~3; /* ignore RPL */
968 status = STATUS_SUCCESS;
969 if (!sel) /* null selector */
970 memset( &tdi->Entry, 0, sizeof(tdi->Entry) );
971 else
972 {
973 tdi->Entry.BaseLow = 0;
974 tdi->Entry.HighWord.Bits.BaseMid = 0;
975 tdi->Entry.HighWord.Bits.BaseHi = 0;
976 tdi->Entry.LimitLow = 0xffff;
977 tdi->Entry.HighWord.Bits.LimitHi = 0xf;
978 tdi->Entry.HighWord.Bits.Dpl = 3;
979 tdi->Entry.HighWord.Bits.Sys = 0;
980 tdi->Entry.HighWord.Bits.Pres = 1;
981 tdi->Entry.HighWord.Bits.Granularity = 1;
982 tdi->Entry.HighWord.Bits.Default_Big = 1;
983 tdi->Entry.HighWord.Bits.Type = 0x12;
984 /* it has to be one of the system GDT selectors */
985 if (sel != (wine_get_ds() & ~3) && sel != (wine_get_ss() & ~3))
986 {
987 if (sel == (wine_get_cs() & ~3))
988 tdi->Entry.HighWord.Bits.Type |= 8; /* code segment */
989 else status = STATUS_ACCESS_DENIED;
990 }
991 }
992 }
993 else
994 {
995 SERVER_START_REQ( get_selector_entry )
996 {
997 req->handle = wine_server_obj_handle( handle );
998 req->entry = tdi->Selector >> 3;
999 status = wine_server_call( req );
1000 if (!status)
1001 {
1002 if (!(reply->flags & WINE_LDT_FLAGS_ALLOCATED))
1003 status = STATUS_ACCESS_VIOLATION;
1004 else
1005 {
1006 wine_ldt_set_base ( &tdi->Entry, (void *)reply->base );
1007 wine_ldt_set_limit( &tdi->Entry, reply->limit );
1008 wine_ldt_set_flags( &tdi->Entry, reply->flags );
1009 }
1010 }
1011 }
1012 SERVER_END_REQ;
1013 }
1014 if (status == STATUS_SUCCESS && ret_len)
1015 /* yes, that's a bit strange, but it's the way it is */
1016 *ret_len = sizeof(LDT_ENTRY);
1017 #else
1018 status = STATUS_NOT_IMPLEMENTED;
1019 #endif
1020 return status;
1021 }
1022 case ThreadAmILastThread:
1023 {
1024 SERVER_START_REQ(get_thread_info)
1025 {
1026 req->handle = wine_server_obj_handle( handle );
1027 req->tid_in = 0;
1028 status = wine_server_call( req );
1029 if (status == STATUS_SUCCESS)
1030 {
1031 BOOLEAN last = reply->last;
1032 if (data) memcpy( data, &last, min( length, sizeof(last) ));
1033 if (ret_len) *ret_len = min( length, sizeof(last) );
1034 }
1035 }
1036 SERVER_END_REQ;
1037 return status;
1038 }
1039 case ThreadPriority:
1040 case ThreadBasePriority:
1041 case ThreadImpersonationToken:
1042 case ThreadEnableAlignmentFaultFixup:
1043 case ThreadEventPair_Reusable:
1044 case ThreadQuerySetWin32StartAddress:
1045 case ThreadZeroTlsCell:
1046 case ThreadPerformanceCount:
1047 case ThreadIdealProcessor:
1048 case ThreadPriorityBoost:
1049 case ThreadSetTlsArrayAddress:
1050 case ThreadIsIoPending:
1051 default:
1052 FIXME( "info class %d not supported yet\n", class );
1053 return STATUS_NOT_IMPLEMENTED;
1054 }
1055 }
1056
1057
1058 /******************************************************************************
1059 * NtSetInformationThread (NTDLL.@)
1060 * ZwSetInformationThread (NTDLL.@)
1061 */
1062 NTSTATUS WINAPI NtSetInformationThread( HANDLE handle, THREADINFOCLASS class,
1063 LPCVOID data, ULONG length )
1064 {
1065 NTSTATUS status;
1066 switch(class)
1067 {
1068 case ThreadZeroTlsCell:
1069 if (handle == GetCurrentThread())
1070 {
1071 LIST_ENTRY *entry;
1072 DWORD index;
1073
1074 if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
1075 index = *(const DWORD *)data;
1076 if (index < TLS_MINIMUM_AVAILABLE)
1077 {
1078 RtlAcquirePebLock();
1079 for (entry = tls_links.Flink; entry != &tls_links; entry = entry->Flink)
1080 {
1081 TEB *teb = CONTAINING_RECORD(entry, TEB, TlsLinks);
1082 teb->TlsSlots[index] = 0;
1083 }
1084 RtlReleasePebLock();
1085 }
1086 else
1087 {
1088 index -= TLS_MINIMUM_AVAILABLE;
1089 if (index >= 8 * sizeof(NtCurrentTeb()->Peb->TlsExpansionBitmapBits))
1090 return STATUS_INVALID_PARAMETER;
1091 RtlAcquirePebLock();
1092 for (entry = tls_links.Flink; entry != &tls_links; entry = entry->Flink)
1093 {
1094 TEB *teb = CONTAINING_RECORD(entry, TEB, TlsLinks);
1095 if (teb->TlsExpansionSlots) teb->TlsExpansionSlots[index] = 0;
1096 }
1097 RtlReleasePebLock();
1098 }
1099 return STATUS_SUCCESS;
1100 }
1101 FIXME( "ZeroTlsCell not supported on other threads\n" );
1102 return STATUS_NOT_IMPLEMENTED;
1103
1104 case ThreadImpersonationToken:
1105 {
1106 const HANDLE *phToken = data;
1107 if (length != sizeof(HANDLE)) return STATUS_INVALID_PARAMETER;
1108 TRACE("Setting ThreadImpersonationToken handle to %p\n", *phToken );
1109 SERVER_START_REQ( set_thread_info )
1110 {
1111 req->handle = wine_server_obj_handle( handle );
1112 req->token = wine_server_obj_handle( *phToken );
1113 req->mask = SET_THREAD_INFO_TOKEN;
1114 status = wine_server_call( req );
1115 }
1116 SERVER_END_REQ;
1117 }
1118 return status;
1119 case ThreadBasePriority:
1120 {
1121 const DWORD *pprio = data;
1122 if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
1123 SERVER_START_REQ( set_thread_info )
1124 {
1125 req->handle = wine_server_obj_handle( handle );
1126 req->priority = *pprio;
1127 req->mask = SET_THREAD_INFO_PRIORITY;
1128 status = wine_server_call( req );
1129 }
1130 SERVER_END_REQ;
1131 }
1132 return status;
1133 case ThreadAffinityMask:
1134 {
1135 const ULONG_PTR affinity_mask = ((ULONG_PTR)1 << NtCurrentTeb()->Peb->NumberOfProcessors) - 1;
1136 ULONG_PTR req_aff;
1137
1138 if (length != sizeof(ULONG_PTR)) return STATUS_INVALID_PARAMETER;
1139 req_aff = *(const ULONG_PTR *)data;
1140 if ((ULONG)req_aff == ~0u) req_aff = affinity_mask;
1141 else if (req_aff & ~affinity_mask) return STATUS_INVALID_PARAMETER;
1142 else if (!req_aff) return STATUS_INVALID_PARAMETER;
1143 SERVER_START_REQ( set_thread_info )
1144 {
1145 req->handle = wine_server_obj_handle( handle );
1146 req->affinity = req_aff;
1147 req->mask = SET_THREAD_INFO_AFFINITY;
1148 status = wine_server_call( req );
1149 }
1150 SERVER_END_REQ;
1151 }
1152 return status;
1153 case ThreadHideFromDebugger:
1154 /* pretend the call succeeded to satisfy some code protectors */
1155 return STATUS_SUCCESS;
1156
1157 case ThreadBasicInformation:
1158 case ThreadTimes:
1159 case ThreadPriority:
1160 case ThreadDescriptorTableEntry:
1161 case ThreadEnableAlignmentFaultFixup:
1162 case ThreadEventPair_Reusable:
1163 case ThreadQuerySetWin32StartAddress:
1164 case ThreadPerformanceCount:
1165 case ThreadAmILastThread:
1166 case ThreadIdealProcessor:
1167 case ThreadPriorityBoost:
1168 case ThreadSetTlsArrayAddress:
1169 case ThreadIsIoPending:
1170 default:
1171 FIXME( "info class %d not supported yet\n", class );
1172 return STATUS_NOT_IMPLEMENTED;
1173 }
1174 }
Windows API implementation