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wined3d: Add an ARB_sync implementation of event queries.
[wine.git] / dlls / ntdll / thread.c
blob65fc7374b9b6f8d8439cfaa630a59ef9c2a323dc
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 /* This is wine specific: we have no parent (we're started from unix)
280 * so, create a simple console with bare handles to unix stdio
281 */
282 wine_server_fd_to_handle( 0, GENERIC_READ|SYNCHRONIZE, OBJ_INHERIT, &params.hStdInput );
283 wine_server_fd_to_handle( 1, GENERIC_WRITE|SYNCHRONIZE, OBJ_INHERIT, &params.hStdOutput );
284 wine_server_fd_to_handle( 2, GENERIC_WRITE|SYNCHRONIZE, OBJ_INHERIT, &params.hStdError );
285 }
286
287 /* initialize time values in user_shared_data */
288 NtQuerySystemTime( &now );
289 user_shared_data->SystemTime.LowPart = now.u.LowPart;
290 user_shared_data->SystemTime.High1Time = user_shared_data->SystemTime.High2Time = now.u.HighPart;
291 user_shared_data->u.TickCountQuad = (now.QuadPart - server_start_time) / 10000;
292 user_shared_data->u.TickCount.High2Time = user_shared_data->u.TickCount.High1Time;
293 user_shared_data->TickCountLowDeprecated = user_shared_data->u.TickCount.LowPart;
294 user_shared_data->TickCountMultiplier = 1 << 24;
295
296 fill_cpu_info();
297
298 return exe_file;
299 }
300
301
302 /***********************************************************************
303 * terminate_thread
304 */
305 void terminate_thread( int status )
306 {
307 pthread_sigmask( SIG_BLOCK, &server_block_set, NULL );
308 if (interlocked_xchg_add( &nb_threads, -1 ) <= 1) _exit( status );
309
310 close( ntdll_get_thread_data()->wait_fd[0] );
311 close( ntdll_get_thread_data()->wait_fd[1] );
312 close( ntdll_get_thread_data()->reply_fd );
313 close( ntdll_get_thread_data()->request_fd );
314 pthread_exit( UIntToPtr(status) );
315 }
316
317
318 /***********************************************************************
319 * exit_thread
320 */
321 void exit_thread( int status )
322 {
323 static void *prev_teb;
324 TEB *teb;
325
326 if (status) /* send the exit code to the server (0 is already the default) */
327 {
328 SERVER_START_REQ( terminate_thread )
329 {
330 req->handle = wine_server_obj_handle( GetCurrentThread() );
331 req->exit_code = status;
332 wine_server_call( req );
333 }
334 SERVER_END_REQ;
335 }
336
337 if (interlocked_xchg_add( &nb_threads, -1 ) <= 1)
338 {
339 LdrShutdownProcess();
340 exit( status );
341 }
342
343 LdrShutdownThread();
344 RtlAcquirePebLock();
345 RemoveEntryList( &NtCurrentTeb()->TlsLinks );
346 RtlReleasePebLock();
347 RtlFreeHeap( GetProcessHeap(), 0, NtCurrentTeb()->FlsSlots );
348 RtlFreeHeap( GetProcessHeap(), 0, NtCurrentTeb()->TlsExpansionSlots );
349
350 pthread_sigmask( SIG_BLOCK, &server_block_set, NULL );
351
352 if ((teb = interlocked_xchg_ptr( &prev_teb, NtCurrentTeb() )))
353 {
354 struct ntdll_thread_data *thread_data = (struct ntdll_thread_data *)teb->SpareBytes1;
355
356 pthread_join( thread_data->pthread_id, NULL );
357 signal_free_thread( teb );
358 }
359
360 close( ntdll_get_thread_data()->wait_fd[0] );
361 close( ntdll_get_thread_data()->wait_fd[1] );
362 close( ntdll_get_thread_data()->reply_fd );
363 close( ntdll_get_thread_data()->request_fd );
364 pthread_exit( UIntToPtr(status) );
365 }
366
367
368 /***********************************************************************
369 * start_thread
370 *
371 * Startup routine for a newly created thread.
372 */
373 static void start_thread( struct startup_info *info )
374 {
375 TEB *teb = info->teb;
376 struct ntdll_thread_data *thread_data = (struct ntdll_thread_data *)teb->SpareBytes1;
377 PRTL_THREAD_START_ROUTINE func = info->entry_point;
378 void *arg = info->entry_arg;
379 struct debug_info debug_info;
380
381 debug_info.str_pos = debug_info.strings;
382 debug_info.out_pos = debug_info.output;
383 thread_data->debug_info = &debug_info;
384 thread_data->pthread_id = pthread_self();
385
386 signal_init_thread( teb );
387 server_init_thread( func );
388 pthread_sigmask( SIG_UNBLOCK, &server_block_set, NULL );
389
390 RtlAcquirePebLock();
391 InsertHeadList( &tls_links, &teb->TlsLinks );
392 RtlReleasePebLock();
393
394 MODULE_DllThreadAttach( NULL );
395
396 if (TRACE_ON(relay))
397 DPRINTF( "%04x:Starting thread proc %p (arg=%p)\n", GetCurrentThreadId(), func, arg );
398
399 call_thread_entry_point( (LPTHREAD_START_ROUTINE)func, arg );
400 }
401
402
403 /***********************************************************************
404 * RtlCreateUserThread (NTDLL.@)
405 */
406 NTSTATUS WINAPI RtlCreateUserThread( HANDLE process, const SECURITY_DESCRIPTOR *descr,
407 BOOLEAN suspended, PVOID stack_addr,
408 SIZE_T stack_reserve, SIZE_T stack_commit,
409 PRTL_THREAD_START_ROUTINE start, void *param,
410 HANDLE *handle_ptr, CLIENT_ID *id )
411 {
412 sigset_t sigset;
413 pthread_t pthread_id;
414 pthread_attr_t attr;
415 struct ntdll_thread_data *thread_data;
416 struct startup_info *info = NULL;
417 HANDLE handle = 0;
418 TEB *teb = NULL;
419 DWORD tid = 0;
420 int request_pipe[2];
421 NTSTATUS status;
422
423 if (process != NtCurrentProcess())
424 {
425 apc_call_t call;
426 apc_result_t result;
427
428 memset( &call, 0, sizeof(call) );
429
430 call.create_thread.type = APC_CREATE_THREAD;
431 call.create_thread.func = wine_server_client_ptr( start );
432 call.create_thread.arg = wine_server_client_ptr( param );
433 call.create_thread.reserve = stack_reserve;
434 call.create_thread.commit = stack_commit;
435 call.create_thread.suspend = suspended;
436 status = NTDLL_queue_process_apc( process, &call, &result );
437 if (status != STATUS_SUCCESS) return status;
438
439 if (result.create_thread.status == STATUS_SUCCESS)
440 {
441 if (id) id->UniqueThread = ULongToHandle(result.create_thread.tid);
442 if (handle_ptr) *handle_ptr = wine_server_ptr_handle( result.create_thread.handle );
443 else NtClose( wine_server_ptr_handle( result.create_thread.handle ));
444 }
445 return result.create_thread.status;
446 }
447
448 if (server_pipe( request_pipe ) == -1) return STATUS_TOO_MANY_OPENED_FILES;
449 wine_server_send_fd( request_pipe[0] );
450
451 SERVER_START_REQ( new_thread )
452 {
453 req->access = THREAD_ALL_ACCESS;
454 req->attributes = 0; /* FIXME */
455 req->suspend = suspended;
456 req->request_fd = request_pipe[0];
457 if (!(status = wine_server_call( req )))
458 {
459 handle = wine_server_ptr_handle( reply->handle );
460 tid = reply->tid;
461 }
462 close( request_pipe[0] );
463 }
464 SERVER_END_REQ;
465
466 if (status)
467 {
468 close( request_pipe[1] );
469 return status;
470 }
471
472 pthread_sigmask( SIG_BLOCK, &server_block_set, &sigset );
473
474 if ((status = signal_alloc_thread( &teb ))) goto error;
475
476 teb->Peb = NtCurrentTeb()->Peb;
477 teb->ClientId.UniqueProcess = ULongToHandle(GetCurrentProcessId());
478 teb->ClientId.UniqueThread = ULongToHandle(tid);
479 teb->StaticUnicodeString.Buffer = teb->StaticUnicodeBuffer;
480 teb->StaticUnicodeString.MaximumLength = sizeof(teb->StaticUnicodeBuffer);
481
482 info = (struct startup_info *)(teb + 1);
483 info->teb = teb;
484 info->entry_point = start;
485 info->entry_arg = param;
486
487 thread_data = (struct ntdll_thread_data *)teb->SpareBytes1;
488 thread_data->request_fd = request_pipe[1];
489 thread_data->reply_fd = -1;
490 thread_data->wait_fd[0] = -1;
491 thread_data->wait_fd[1] = -1;
492
493 if ((status = virtual_alloc_thread_stack( teb, stack_reserve, stack_commit ))) goto error;
494
495 pthread_attr_init( &attr );
496 pthread_attr_setstack( &attr, teb->DeallocationStack,
497 (char *)teb->Tib.StackBase - (char *)teb->DeallocationStack );
498 pthread_attr_setscope( &attr, PTHREAD_SCOPE_SYSTEM ); /* force creating a kernel thread */
499 interlocked_xchg_add( &nb_threads, 1 );
500 if (pthread_create( &pthread_id, &attr, (void * (*)(void *))start_thread, info ))
501 {
502 interlocked_xchg_add( &nb_threads, -1 );
503 pthread_attr_destroy( &attr );
504 status = STATUS_NO_MEMORY;
505 goto error;
506 }
507 pthread_attr_destroy( &attr );
508 pthread_sigmask( SIG_SETMASK, &sigset, NULL );
509
510 if (id) id->UniqueThread = ULongToHandle(tid);
511 if (handle_ptr) *handle_ptr = handle;
512 else NtClose( handle );
513
514 return STATUS_SUCCESS;
515
516 error:
517 if (teb) signal_free_thread( teb );
518 if (handle) NtClose( handle );
519 pthread_sigmask( SIG_SETMASK, &sigset, NULL );
520 close( request_pipe[1] );
521 return status;
522 }
523
524
525 /******************************************************************************
526 * RtlGetNtGlobalFlags (NTDLL.@)
527 */
528 ULONG WINAPI RtlGetNtGlobalFlags(void)
529 {
530 if (!peb) return 0; /* init not done yet */
531 return peb->NtGlobalFlag;
532 }
533
534
535 /***********************************************************************
536 * NtOpenThread (NTDLL.@)
537 * ZwOpenThread (NTDLL.@)
538 */
539 NTSTATUS WINAPI NtOpenThread( HANDLE *handle, ACCESS_MASK access,
540 const OBJECT_ATTRIBUTES *attr, const CLIENT_ID *id )
541 {
542 NTSTATUS ret;
543
544 SERVER_START_REQ( open_thread )
545 {
546 req->tid = HandleToULong(id->UniqueThread);
547 req->access = access;
548 req->attributes = attr ? attr->Attributes : 0;
549 ret = wine_server_call( req );
550 *handle = wine_server_ptr_handle( reply->handle );
551 }
552 SERVER_END_REQ;
553 return ret;
554 }
555
556
557 /******************************************************************************
558 * NtSuspendThread (NTDLL.@)
559 * ZwSuspendThread (NTDLL.@)
560 */
561 NTSTATUS WINAPI NtSuspendThread( HANDLE handle, PULONG count )
562 {
563 NTSTATUS ret;
564
565 SERVER_START_REQ( suspend_thread )
566 {
567 req->handle = wine_server_obj_handle( handle );
568 if (!(ret = wine_server_call( req ))) *count = reply->count;
569 }
570 SERVER_END_REQ;
571 return ret;
572 }
573
574
575 /******************************************************************************
576 * NtResumeThread (NTDLL.@)
577 * ZwResumeThread (NTDLL.@)
578 */
579 NTSTATUS WINAPI NtResumeThread( HANDLE handle, PULONG count )
580 {
581 NTSTATUS ret;
582
583 SERVER_START_REQ( resume_thread )
584 {
585 req->handle = wine_server_obj_handle( handle );
586 if (!(ret = wine_server_call( req ))) *count = reply->count;
587 }
588 SERVER_END_REQ;
589 return ret;
590 }
591
592
593 /******************************************************************************
594 * NtAlertResumeThread (NTDLL.@)
595 * ZwAlertResumeThread (NTDLL.@)
596 */
597 NTSTATUS WINAPI NtAlertResumeThread( HANDLE handle, PULONG count )
598 {
599 FIXME( "stub: should alert thread %p\n", handle );
600 return NtResumeThread( handle, count );
601 }
602
603
604 /******************************************************************************
605 * NtAlertThread (NTDLL.@)
606 * ZwAlertThread (NTDLL.@)
607 */
608 NTSTATUS WINAPI NtAlertThread( HANDLE handle )
609 {
610 FIXME( "stub: %p\n", handle );
611 return STATUS_NOT_IMPLEMENTED;
612 }
613
614
615 /******************************************************************************
616 * NtTerminateThread (NTDLL.@)
617 * ZwTerminateThread (NTDLL.@)
618 */
619 NTSTATUS WINAPI NtTerminateThread( HANDLE handle, LONG exit_code )
620 {
621 NTSTATUS ret;
622 BOOL self;
623
624 SERVER_START_REQ( terminate_thread )
625 {
626 req->handle = wine_server_obj_handle( handle );
627 req->exit_code = exit_code;
628 ret = wine_server_call( req );
629 self = !ret && reply->self;
630 }
631 SERVER_END_REQ;
632
633 if (self) abort_thread( exit_code );
634 return ret;
635 }
636
637
638 /******************************************************************************
639 * NtQueueApcThread (NTDLL.@)
640 */
641 NTSTATUS WINAPI NtQueueApcThread( HANDLE handle, PNTAPCFUNC func, ULONG_PTR arg1,
642 ULONG_PTR arg2, ULONG_PTR arg3 )
643 {
644 NTSTATUS ret;
645 SERVER_START_REQ( queue_apc )
646 {
647 req->handle = wine_server_obj_handle( handle );
648 if (func)
649 {
650 req->call.type = APC_USER;
651 req->call.user.func = wine_server_client_ptr( func );
652 req->call.user.args[0] = arg1;
653 req->call.user.args[1] = arg2;
654 req->call.user.args[2] = arg3;
655 }
656 else req->call.type = APC_NONE; /* wake up only */
657 ret = wine_server_call( req );
658 }
659 SERVER_END_REQ;
660 return ret;
661 }
662
663
664 /***********************************************************************
665 * NtSetContextThread (NTDLL.@)
666 * ZwSetContextThread (NTDLL.@)
667 */
668 NTSTATUS WINAPI NtSetContextThread( HANDLE handle, const CONTEXT *context )
669 {
670 NTSTATUS ret;
671 DWORD dummy, i;
672 BOOL self = FALSE;
673
674 #ifdef __i386__
675 /* on i386 debug registers always require a server call */
676 self = (handle == GetCurrentThread());
677 if (self && (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386)))
678 {
679 self = (ntdll_get_thread_data()->dr0 == context->Dr0 &&
680 ntdll_get_thread_data()->dr1 == context->Dr1 &&
681 ntdll_get_thread_data()->dr2 == context->Dr2 &&
682 ntdll_get_thread_data()->dr3 == context->Dr3 &&
683 ntdll_get_thread_data()->dr6 == context->Dr6 &&
684 ntdll_get_thread_data()->dr7 == context->Dr7);
685 }
686 #endif
687
688 if (!self)
689 {
690 context_t server_context;
691
692 context_to_server( &server_context, context );
693
694 SERVER_START_REQ( set_thread_context )
695 {
696 req->handle = wine_server_obj_handle( handle );
697 req->suspend = 0;
698 wine_server_add_data( req, &server_context, sizeof(server_context) );
699 ret = wine_server_call( req );
700 self = reply->self;
701 }
702 SERVER_END_REQ;
703
704 if (ret == STATUS_PENDING)
705 {
706 if (NtSuspendThread( handle, &dummy ) == STATUS_SUCCESS)
707 {
708 for (i = 0; i < 100; i++)
709 {
710 SERVER_START_REQ( set_thread_context )
711 {
712 req->handle = wine_server_obj_handle( handle );
713 req->suspend = 0;
714 wine_server_add_data( req, &server_context, sizeof(server_context) );
715 ret = wine_server_call( req );
716 }
717 SERVER_END_REQ;
718 if (ret == STATUS_PENDING)
719 {
720 LARGE_INTEGER timeout;
721 timeout.QuadPart = -10000;
722 NtDelayExecution( FALSE, &timeout );
723 }
724 else break;
725 }
726 NtResumeThread( handle, &dummy );
727 }
728 if (ret == STATUS_PENDING) ret = STATUS_ACCESS_DENIED;
729 }
730
731 if (ret) return ret;
732 }
733
734 if (self) set_cpu_context( context );
735 return STATUS_SUCCESS;
736 }
737
738
739 /* convert CPU-specific flags to generic server flags */
740 static inline unsigned int get_server_context_flags( DWORD flags )
741 {
742 unsigned int ret = 0;
743
744 flags &= 0x3f; /* mask CPU id flags */
745 if (flags & CONTEXT_CONTROL) ret |= SERVER_CTX_CONTROL;
746 if (flags & CONTEXT_INTEGER) ret |= SERVER_CTX_INTEGER;
747 #ifdef CONTEXT_SEGMENTS
748 if (flags & CONTEXT_SEGMENTS) ret |= SERVER_CTX_SEGMENTS;
749 #endif
750 #ifdef CONTEXT_FLOATING_POINT
751 if (flags & CONTEXT_FLOATING_POINT) ret |= SERVER_CTX_FLOATING_POINT;
752 #endif
753 #ifdef CONTEXT_DEBUG_REGISTERS
754 if (flags & CONTEXT_DEBUG_REGISTERS) ret |= SERVER_CTX_DEBUG_REGISTERS;
755 #endif
756 #ifdef CONTEXT_EXTENDED_REGISTERS
757 if (flags & CONTEXT_EXTENDED_REGISTERS) ret |= SERVER_CTX_EXTENDED_REGISTERS;
758 #endif
759 return ret;
760 }
761
762 /***********************************************************************
763 * NtGetContextThread (NTDLL.@)
764 * ZwGetContextThread (NTDLL.@)
765 */
766 NTSTATUS WINAPI NtGetContextThread( HANDLE handle, CONTEXT *context )
767 {
768 NTSTATUS ret;
769 DWORD dummy, i;
770 DWORD needed_flags = context->ContextFlags;
771 BOOL self = (handle == GetCurrentThread());
772
773 #ifdef __i386__
774 /* on i386 debug registers always require a server call */
775 if (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386)) self = FALSE;
776 #endif
777
778 if (!self)
779 {
780 unsigned int server_flags = get_server_context_flags( context->ContextFlags );
781 context_t server_context;
782
783 SERVER_START_REQ( get_thread_context )
784 {
785 req->handle = wine_server_obj_handle( handle );
786 req->flags = server_flags;
787 req->suspend = 0;
788 wine_server_set_reply( req, &server_context, sizeof(server_context) );
789 ret = wine_server_call( req );
790 self = reply->self;
791 }
792 SERVER_END_REQ;
793
794 if (ret == STATUS_PENDING)
795 {
796 if (NtSuspendThread( handle, &dummy ) == STATUS_SUCCESS)
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 }
819 if (ret == STATUS_PENDING) ret = STATUS_ACCESS_DENIED;
820 }
821 if (!ret) ret = context_from_server( context, &server_context );
822 if (ret) return ret;
823 needed_flags &= ~context->ContextFlags;
824 }
825
826 if (self)
827 {
828 if (needed_flags)
829 {
830 CONTEXT ctx;
831 RtlCaptureContext( &ctx );
832 copy_context( context, &ctx, ctx.ContextFlags & needed_flags );
833 context->ContextFlags |= ctx.ContextFlags & needed_flags;
834 }
835 #ifdef __i386__
836 /* update the cached version of the debug registers */
837 if (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386))
838 {
839 ntdll_get_thread_data()->dr0 = context->Dr0;
840 ntdll_get_thread_data()->dr1 = context->Dr1;
841 ntdll_get_thread_data()->dr2 = context->Dr2;
842 ntdll_get_thread_data()->dr3 = context->Dr3;
843 ntdll_get_thread_data()->dr6 = context->Dr6;
844 ntdll_get_thread_data()->dr7 = context->Dr7;
845 }
846 #endif
847 }
848 return STATUS_SUCCESS;
849 }
850
851
852 /******************************************************************************
853 * NtQueryInformationThread (NTDLL.@)
854 * ZwQueryInformationThread (NTDLL.@)
855 */
856 NTSTATUS WINAPI NtQueryInformationThread( HANDLE handle, THREADINFOCLASS class,
857 void *data, ULONG length, ULONG *ret_len )
858 {
859 NTSTATUS status;
860
861 switch(class)
862 {
863 case ThreadBasicInformation:
864 {
865 THREAD_BASIC_INFORMATION info;
866 const ULONG_PTR affinity_mask = ((ULONG_PTR)1 << NtCurrentTeb()->Peb->NumberOfProcessors) - 1;
867
868 SERVER_START_REQ( get_thread_info )
869 {
870 req->handle = wine_server_obj_handle( handle );
871 req->tid_in = 0;
872 if (!(status = wine_server_call( req )))
873 {
874 info.ExitStatus = reply->exit_code;
875 info.TebBaseAddress = wine_server_get_ptr( reply->teb );
876 info.ClientId.UniqueProcess = ULongToHandle(reply->pid);
877 info.ClientId.UniqueThread = ULongToHandle(reply->tid);
878 info.AffinityMask = reply->affinity & affinity_mask;
879 info.Priority = reply->priority;
880 info.BasePriority = reply->priority; /* FIXME */
881 }
882 }
883 SERVER_END_REQ;
884 if (status == STATUS_SUCCESS)
885 {
886 if (data) memcpy( data, &info, min( length, sizeof(info) ));
887 if (ret_len) *ret_len = min( length, sizeof(info) );
888 }
889 }
890 return status;
891 case ThreadAffinityMask:
892 {
893 const ULONG_PTR affinity_mask = ((ULONG_PTR)1 << NtCurrentTeb()->Peb->NumberOfProcessors) - 1;
894 ULONG_PTR affinity = 0;
895
896 SERVER_START_REQ( get_thread_info )
897 {
898 req->handle = wine_server_obj_handle( handle );
899 req->tid_in = 0;
900 if (!(status = wine_server_call( req )))
901 affinity = reply->affinity & affinity_mask;
902 }
903 SERVER_END_REQ;
904 if (status == STATUS_SUCCESS)
905 {
906 if (data) memcpy( data, &affinity, min( length, sizeof(affinity) ));
907 if (ret_len) *ret_len = min( length, sizeof(affinity) );
908 }
909 }
910 return status;
911 case ThreadTimes:
912 {
913 KERNEL_USER_TIMES kusrt;
914 /* We need to do a server call to get the creation time or exit time */
915 /* This works on any thread */
916 SERVER_START_REQ( get_thread_info )
917 {
918 req->handle = wine_server_obj_handle( handle );
919 req->tid_in = 0;
920 status = wine_server_call( req );
921 if (status == STATUS_SUCCESS)
922 {
923 kusrt.CreateTime.QuadPart = reply->creation_time;
924 kusrt.ExitTime.QuadPart = reply->exit_time;
925 }
926 }
927 SERVER_END_REQ;
928 if (status == STATUS_SUCCESS)
929 {
930 /* We call times(2) for kernel time or user time */
931 /* We can only (portably) do this for the current thread */
932 if (handle == GetCurrentThread())
933 {
934 struct tms time_buf;
935 long clocks_per_sec = sysconf(_SC_CLK_TCK);
936
937 times(&time_buf);
938 kusrt.KernelTime.QuadPart = (ULONGLONG)time_buf.tms_stime * 10000000 / clocks_per_sec;
939 kusrt.UserTime.QuadPart = (ULONGLONG)time_buf.tms_utime * 10000000 / clocks_per_sec;
940 }
941 else
942 {
943 static BOOL reported = FALSE;
944
945 kusrt.KernelTime.QuadPart = 0;
946 kusrt.UserTime.QuadPart = 0;
947 if (reported)
948 TRACE("Cannot get kerneltime or usertime of other threads\n");
949 else
950 {
951 FIXME("Cannot get kerneltime or usertime of other threads\n");
952 reported = TRUE;
953 }
954 }
955 if (data) memcpy( data, &kusrt, min( length, sizeof(kusrt) ));
956 if (ret_len) *ret_len = min( length, sizeof(kusrt) );
957 }
958 }
959 return status;
960 case ThreadDescriptorTableEntry:
961 {
962 #ifdef __i386__
963 THREAD_DESCRIPTOR_INFORMATION* tdi = data;
964 if (length < sizeof(*tdi))
965 status = STATUS_INFO_LENGTH_MISMATCH;
966 else if (!(tdi->Selector & 4)) /* GDT selector */
967 {
968 unsigned sel = tdi->Selector & ~3; /* ignore RPL */
969 status = STATUS_SUCCESS;
970 if (!sel) /* null selector */
971 memset( &tdi->Entry, 0, sizeof(tdi->Entry) );
972 else
973 {
974 tdi->Entry.BaseLow = 0;
975 tdi->Entry.HighWord.Bits.BaseMid = 0;
976 tdi->Entry.HighWord.Bits.BaseHi = 0;
977 tdi->Entry.LimitLow = 0xffff;
978 tdi->Entry.HighWord.Bits.LimitHi = 0xf;
979 tdi->Entry.HighWord.Bits.Dpl = 3;
980 tdi->Entry.HighWord.Bits.Sys = 0;
981 tdi->Entry.HighWord.Bits.Pres = 1;
982 tdi->Entry.HighWord.Bits.Granularity = 1;
983 tdi->Entry.HighWord.Bits.Default_Big = 1;
984 tdi->Entry.HighWord.Bits.Type = 0x12;
985 /* it has to be one of the system GDT selectors */
986 if (sel != (wine_get_ds() & ~3) && sel != (wine_get_ss() & ~3))
987 {
988 if (sel == (wine_get_cs() & ~3))
989 tdi->Entry.HighWord.Bits.Type |= 8; /* code segment */
990 else status = STATUS_ACCESS_DENIED;
991 }
992 }
993 }
994 else
995 {
996 SERVER_START_REQ( get_selector_entry )
997 {
998 req->handle = wine_server_obj_handle( handle );
999 req->entry = tdi->Selector >> 3;
1000 status = wine_server_call( req );
1001 if (!status)
1002 {
1003 if (!(reply->flags & WINE_LDT_FLAGS_ALLOCATED))
1004 status = STATUS_ACCESS_VIOLATION;
1005 else
1006 {
1007 wine_ldt_set_base ( &tdi->Entry, (void *)reply->base );
1008 wine_ldt_set_limit( &tdi->Entry, reply->limit );
1009 wine_ldt_set_flags( &tdi->Entry, reply->flags );
1010 }
1011 }
1012 }
1013 SERVER_END_REQ;
1014 }
1015 if (status == STATUS_SUCCESS && ret_len)
1016 /* yes, that's a bit strange, but it's the way it is */
1017 *ret_len = sizeof(LDT_ENTRY);
1018 #else
1019 status = STATUS_NOT_IMPLEMENTED;
1020 #endif
1021 return status;
1022 }
1023 case ThreadAmILastThread:
1024 {
1025 SERVER_START_REQ(get_thread_info)
1026 {
1027 req->handle = wine_server_obj_handle( handle );
1028 req->tid_in = 0;
1029 status = wine_server_call( req );
1030 if (status == STATUS_SUCCESS)
1031 {
1032 BOOLEAN last = reply->last;
1033 if (data) memcpy( data, &last, min( length, sizeof(last) ));
1034 if (ret_len) *ret_len = min( length, sizeof(last) );
1035 }
1036 }
1037 SERVER_END_REQ;
1038 return status;
1039 }
1040 case ThreadPriority:
1041 case ThreadBasePriority:
1042 case ThreadImpersonationToken:
1043 case ThreadEnableAlignmentFaultFixup:
1044 case ThreadEventPair_Reusable:
1045 case ThreadQuerySetWin32StartAddress:
1046 case ThreadZeroTlsCell:
1047 case ThreadPerformanceCount:
1048 case ThreadIdealProcessor:
1049 case ThreadPriorityBoost:
1050 case ThreadSetTlsArrayAddress:
1051 case ThreadIsIoPending:
1052 default:
1053 FIXME( "info class %d not supported yet\n", class );
1054 return STATUS_NOT_IMPLEMENTED;
1055 }
1056 }
1057
1058
1059 /******************************************************************************
1060 * NtSetInformationThread (NTDLL.@)
1061 * ZwSetInformationThread (NTDLL.@)
1062 */
1063 NTSTATUS WINAPI NtSetInformationThread( HANDLE handle, THREADINFOCLASS class,
1064 LPCVOID data, ULONG length )
1065 {
1066 NTSTATUS status;
1067 switch(class)
1068 {
1069 case ThreadZeroTlsCell:
1070 if (handle == GetCurrentThread())
1071 {
1072 LIST_ENTRY *entry;
1073 DWORD index;
1074
1075 if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
1076 index = *(const DWORD *)data;
1077 if (index < TLS_MINIMUM_AVAILABLE)
1078 {
1079 RtlAcquirePebLock();
1080 for (entry = tls_links.Flink; entry != &tls_links; entry = entry->Flink)
1081 {
1082 TEB *teb = CONTAINING_RECORD(entry, TEB, TlsLinks);
1083 teb->TlsSlots[index] = 0;
1084 }
1085 RtlReleasePebLock();
1086 }
1087 else
1088 {
1089 index -= TLS_MINIMUM_AVAILABLE;
1090 if (index >= 8 * sizeof(NtCurrentTeb()->Peb->TlsExpansionBitmapBits))
1091 return STATUS_INVALID_PARAMETER;
1092 RtlAcquirePebLock();
1093 for (entry = tls_links.Flink; entry != &tls_links; entry = entry->Flink)
1094 {
1095 TEB *teb = CONTAINING_RECORD(entry, TEB, TlsLinks);
1096 if (teb->TlsExpansionSlots) teb->TlsExpansionSlots[index] = 0;
1097 }
1098 RtlReleasePebLock();
1099 }
1100 return STATUS_SUCCESS;
1101 }
1102 FIXME( "ZeroTlsCell not supported on other threads\n" );
1103 return STATUS_NOT_IMPLEMENTED;
1104
1105 case ThreadImpersonationToken:
1106 {
1107 const HANDLE *phToken = data;
1108 if (length != sizeof(HANDLE)) return STATUS_INVALID_PARAMETER;
1109 TRACE("Setting ThreadImpersonationToken handle to %p\n", *phToken );
1110 SERVER_START_REQ( set_thread_info )
1111 {
1112 req->handle = wine_server_obj_handle( handle );
1113 req->token = wine_server_obj_handle( *phToken );
1114 req->mask = SET_THREAD_INFO_TOKEN;
1115 status = wine_server_call( req );
1116 }
1117 SERVER_END_REQ;
1118 }
1119 return status;
1120 case ThreadBasePriority:
1121 {
1122 const DWORD *pprio = data;
1123 if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
1124 SERVER_START_REQ( set_thread_info )
1125 {
1126 req->handle = wine_server_obj_handle( handle );
1127 req->priority = *pprio;
1128 req->mask = SET_THREAD_INFO_PRIORITY;
1129 status = wine_server_call( req );
1130 }
1131 SERVER_END_REQ;
1132 }
1133 return status;
1134 case ThreadAffinityMask:
1135 {
1136 const ULONG_PTR affinity_mask = ((ULONG_PTR)1 << NtCurrentTeb()->Peb->NumberOfProcessors) - 1;
1137 const ULONG_PTR *paff = data;
1138 if (length != sizeof(ULONG_PTR)) return STATUS_INVALID_PARAMETER;
1139 if (*paff & ~affinity_mask) return STATUS_INVALID_PARAMETER;
1140 if (!*paff) return STATUS_INVALID_PARAMETER;
1141 SERVER_START_REQ( set_thread_info )
1142 {
1143 req->handle = wine_server_obj_handle( handle );
1144 req->affinity = *paff;
1145 req->mask = SET_THREAD_INFO_AFFINITY;
1146 status = wine_server_call( req );
1147 }
1148 SERVER_END_REQ;
1149 }
1150 return status;
1151 case ThreadHideFromDebugger:
1152 /* pretend the call succeeded to satisfy some code protectors */
1153 return STATUS_SUCCESS;
1154
1155 case ThreadBasicInformation:
1156 case ThreadTimes:
1157 case ThreadPriority:
1158 case ThreadDescriptorTableEntry:
1159 case ThreadEnableAlignmentFaultFixup:
1160 case ThreadEventPair_Reusable:
1161 case ThreadQuerySetWin32StartAddress:
1162 case ThreadPerformanceCount:
1163 case ThreadAmILastThread:
1164 case ThreadIdealProcessor:
1165 case ThreadPriorityBoost:
1166 case ThreadSetTlsArrayAddress:
1167 case ThreadIsIoPending:
1168 default:
1169 FIXME( "info class %d not supported yet\n", class );
1170 return STATUS_NOT_IMPLEMENTED;
1171 }
1172 }
Windows API implementation