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d3d8: Get rid of the format switching code in d3d8_device_CopyRects().
[wine.git] / dlls / ntdll / thread.c
blobc8461b03ba683976f944025e6572175be2c4cc74
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 #ifdef HAVE_SYS_SYSCALL_H
34 #include <sys/syscall.h>
35 #endif
36
37 #define NONAMELESSUNION
38 #include "ntstatus.h"
39 #define WIN32_NO_STATUS
40 #include "winternl.h"
41 #include "wine/library.h"
42 #include "wine/server.h"
43 #include "wine/debug.h"
44 #include "ntdll_misc.h"
45 #include "ddk/wdm.h"
46 #include "wine/exception.h"
47
48 WINE_DEFAULT_DEBUG_CHANNEL(thread);
49 WINE_DECLARE_DEBUG_CHANNEL(relay);
50
51 struct _KUSER_SHARED_DATA *user_shared_data = NULL;
52
53 PUNHANDLED_EXCEPTION_FILTER unhandled_exception_filter = NULL;
54
55 /* info passed to a starting thread */
56 struct startup_info
57 {
58 TEB *teb;
59 PRTL_THREAD_START_ROUTINE entry_point;
60 void *entry_arg;
61 };
62
63 static PEB *peb;
64 static PEB_LDR_DATA ldr;
65 static RTL_USER_PROCESS_PARAMETERS params; /* default parameters if no parent */
66 static WCHAR current_dir[MAX_NT_PATH_LENGTH];
67 static RTL_BITMAP tls_bitmap;
68 static RTL_BITMAP tls_expansion_bitmap;
69 static RTL_BITMAP fls_bitmap;
70 static int nb_threads = 1;
71
72 /***********************************************************************
73 * get_unicode_string
74 *
75 * Copy a unicode string from the startup info.
76 */
77 static inline void get_unicode_string( UNICODE_STRING *str, WCHAR **src, WCHAR **dst, UINT len )
78 {
79 str->Buffer = *dst;
80 str->Length = len;
81 str->MaximumLength = len + sizeof(WCHAR);
82 memcpy( str->Buffer, *src, len );
83 str->Buffer[len / sizeof(WCHAR)] = 0;
84 *src += len / sizeof(WCHAR);
85 *dst += len / sizeof(WCHAR) + 1;
86 }
87
88 /***********************************************************************
89 * init_user_process_params
90 *
91 * Fill the RTL_USER_PROCESS_PARAMETERS structure from the server.
92 */
93 static NTSTATUS init_user_process_params( SIZE_T data_size, HANDLE *exe_file )
94 {
95 void *ptr;
96 WCHAR *src, *dst;
97 SIZE_T info_size, env_size, size, alloc_size;
98 NTSTATUS status;
99 startup_info_t *info;
100 RTL_USER_PROCESS_PARAMETERS *params = NULL;
101
102 if (!(info = RtlAllocateHeap( GetProcessHeap(), 0, data_size )))
103 return STATUS_NO_MEMORY;
104
105 SERVER_START_REQ( get_startup_info )
106 {
107 wine_server_set_reply( req, info, data_size );
108 if (!(status = wine_server_call( req )))
109 {
110 data_size = wine_server_reply_size( reply );
111 info_size = reply->info_size;
112 env_size = data_size - info_size;
113 *exe_file = wine_server_ptr_handle( reply->exe_file );
114 }
115 }
116 SERVER_END_REQ;
117 if (status != STATUS_SUCCESS) goto done;
118
119 size = sizeof(*params);
120 size += MAX_NT_PATH_LENGTH * sizeof(WCHAR);
121 size += info->dllpath_len + sizeof(WCHAR);
122 size += info->imagepath_len + sizeof(WCHAR);
123 size += info->cmdline_len + sizeof(WCHAR);
124 size += info->title_len + sizeof(WCHAR);
125 size += info->desktop_len + sizeof(WCHAR);
126 size += info->shellinfo_len + sizeof(WCHAR);
127 size += info->runtime_len + sizeof(WCHAR);
128
129 alloc_size = size;
130 status = NtAllocateVirtualMemory( NtCurrentProcess(), (void **)&params, 0, &alloc_size,
131 MEM_COMMIT, PAGE_READWRITE );
132 if (status != STATUS_SUCCESS) goto done;
133
134 NtCurrentTeb()->Peb->ProcessParameters = params;
135 params->AllocationSize = alloc_size;
136 params->Size = size;
137 params->Flags = PROCESS_PARAMS_FLAG_NORMALIZED;
138 params->DebugFlags = info->debug_flags;
139 params->ConsoleHandle = wine_server_ptr_handle( info->console );
140 params->ConsoleFlags = info->console_flags;
141 params->hStdInput = wine_server_ptr_handle( info->hstdin );
142 params->hStdOutput = wine_server_ptr_handle( info->hstdout );
143 params->hStdError = wine_server_ptr_handle( info->hstderr );
144 params->dwX = info->x;
145 params->dwY = info->y;
146 params->dwXSize = info->xsize;
147 params->dwYSize = info->ysize;
148 params->dwXCountChars = info->xchars;
149 params->dwYCountChars = info->ychars;
150 params->dwFillAttribute = info->attribute;
151 params->dwFlags = info->flags;
152 params->wShowWindow = info->show;
153
154 src = (WCHAR *)(info + 1);
155 dst = (WCHAR *)(params + 1);
156
157 /* current directory needs more space */
158 get_unicode_string( &params->CurrentDirectory.DosPath, &src, &dst, info->curdir_len );
159 params->CurrentDirectory.DosPath.MaximumLength = MAX_NT_PATH_LENGTH * sizeof(WCHAR);
160 dst = (WCHAR *)(params + 1) + MAX_NT_PATH_LENGTH;
161
162 get_unicode_string( &params->DllPath, &src, &dst, info->dllpath_len );
163 get_unicode_string( &params->ImagePathName, &src, &dst, info->imagepath_len );
164 get_unicode_string( &params->CommandLine, &src, &dst, info->cmdline_len );
165 get_unicode_string( &params->WindowTitle, &src, &dst, info->title_len );
166 get_unicode_string( &params->Desktop, &src, &dst, info->desktop_len );
167 get_unicode_string( &params->ShellInfo, &src, &dst, info->shellinfo_len );
168
169 /* runtime info isn't a real string */
170 params->RuntimeInfo.Buffer = dst;
171 params->RuntimeInfo.Length = params->RuntimeInfo.MaximumLength = info->runtime_len;
172 memcpy( dst, src, info->runtime_len );
173
174 /* environment needs to be a separate memory block */
175 ptr = NULL;
176 alloc_size = max( 1, env_size );
177 status = NtAllocateVirtualMemory( NtCurrentProcess(), &ptr, 0, &alloc_size,
178 MEM_COMMIT, PAGE_READWRITE );
179 if (status != STATUS_SUCCESS) goto done;
180 memcpy( ptr, (char *)info + info_size, env_size );
181 params->Environment = ptr;
182
183 done:
184 RtlFreeHeap( GetProcessHeap(), 0, info );
185 return status;
186 }
187
188 #ifdef __APPLE__
189 #include <mach/mach.h>
190 #include <mach/mach_error.h>
191
192 static ULONG get_dyld_image_info_addr(void)
193 {
194 ULONG ret = 0;
195 #ifdef TASK_DYLD_INFO
196 struct task_dyld_info dyld_info;
197 mach_msg_type_number_t size = TASK_DYLD_INFO_COUNT;
198 if (task_info(mach_task_self(), TASK_DYLD_INFO, (task_info_t)&dyld_info, &size) == KERN_SUCCESS)
199 ret = dyld_info.all_image_info_addr;
200 #endif
201 return ret;
202 }
203 #endif /* __APPLE__ */
204
205 /***********************************************************************
206 * thread_init
207 *
208 * Setup the initial thread.
209 *
210 * NOTES: The first allocated TEB on NT is at 0x7ffde000.
211 */
212 HANDLE thread_init(void)
213 {
214 TEB *teb;
215 void *addr;
216 SIZE_T size, info_size;
217 HANDLE exe_file = 0;
218 LARGE_INTEGER now;
219 NTSTATUS status;
220 struct ntdll_thread_data *thread_data;
221 static struct debug_info debug_info; /* debug info for initial thread */
222
223 virtual_init();
224
225 /* reserve space for shared user data */
226
227 addr = (void *)0x7ffe0000;
228 size = 0x10000;
229 status = NtAllocateVirtualMemory( NtCurrentProcess(), &addr, 0, &size,
230 MEM_RESERVE|MEM_COMMIT, PAGE_READWRITE );
231 if (status)
232 {
233 MESSAGE( "wine: failed to map the shared user data: %08x\n", status );
234 exit(1);
235 }
236 user_shared_data = addr;
237
238 /* allocate and initialize the PEB */
239
240 addr = NULL;
241 size = sizeof(*peb);
242 NtAllocateVirtualMemory( NtCurrentProcess(), &addr, 1, &size,
243 MEM_COMMIT | MEM_TOP_DOWN, PAGE_READWRITE );
244 peb = addr;
245
246 peb->ProcessParameters = &params;
247 peb->TlsBitmap = &tls_bitmap;
248 peb->TlsExpansionBitmap = &tls_expansion_bitmap;
249 peb->FlsBitmap = &fls_bitmap;
250 peb->LdrData = &ldr;
251 params.CurrentDirectory.DosPath.Buffer = current_dir;
252 params.CurrentDirectory.DosPath.MaximumLength = sizeof(current_dir);
253 params.wShowWindow = 1; /* SW_SHOWNORMAL */
254 ldr.Length = sizeof(ldr);
255 RtlInitializeBitMap( &tls_bitmap, peb->TlsBitmapBits, sizeof(peb->TlsBitmapBits) * 8 );
256 RtlInitializeBitMap( &tls_expansion_bitmap, peb->TlsExpansionBitmapBits,
257 sizeof(peb->TlsExpansionBitmapBits) * 8 );
258 RtlInitializeBitMap( &fls_bitmap, peb->FlsBitmapBits, sizeof(peb->FlsBitmapBits) * 8 );
259 RtlSetBits( peb->TlsBitmap, 0, 1 ); /* TLS index 0 is reserved and should be initialized to NULL. */
260 RtlSetBits( peb->FlsBitmap, 0, 1 );
261 InitializeListHead( &peb->FlsListHead );
262 InitializeListHead( &ldr.InLoadOrderModuleList );
263 InitializeListHead( &ldr.InMemoryOrderModuleList );
264 InitializeListHead( &ldr.InInitializationOrderModuleList );
265 #ifdef __APPLE__
266 peb->Reserved[0] = get_dyld_image_info_addr();
267 #endif
268
269 /* allocate and initialize the initial TEB */
270
271 signal_alloc_thread( &teb );
272 teb->Peb = peb;
273 teb->Tib.StackBase = (void *)~0UL;
274 teb->StaticUnicodeString.Buffer = teb->StaticUnicodeBuffer;
275 teb->StaticUnicodeString.MaximumLength = sizeof(teb->StaticUnicodeBuffer);
276
277 thread_data = (struct ntdll_thread_data *)teb->SpareBytes1;
278 thread_data->request_fd = -1;
279 thread_data->reply_fd = -1;
280 thread_data->wait_fd[0] = -1;
281 thread_data->wait_fd[1] = -1;
282 thread_data->debug_info = &debug_info;
283 InsertHeadList( &tls_links, &teb->TlsLinks );
284
285 signal_init_thread( teb );
286 virtual_init_threading();
287
288 debug_info.str_pos = debug_info.strings;
289 debug_info.out_pos = debug_info.output;
290 debug_init();
291
292 /* setup the server connection */
293 server_init_process();
294 info_size = server_init_thread( peb );
295
296 /* create the process heap */
297 if (!(peb->ProcessHeap = RtlCreateHeap( HEAP_GROWABLE, NULL, 0, 0, NULL, NULL )))
298 {
299 MESSAGE( "wine: failed to create the process heap\n" );
300 exit(1);
301 }
302
303 /* allocate user parameters */
304 if (info_size)
305 {
306 init_user_process_params( info_size, &exe_file );
307 }
308 else
309 {
310 if (isatty(0) || isatty(1) || isatty(2))
311 params.ConsoleHandle = (HANDLE)2; /* see kernel32/kernel_private.h */
312 if (!isatty(0))
313 wine_server_fd_to_handle( 0, GENERIC_READ|SYNCHRONIZE, OBJ_INHERIT, &params.hStdInput );
314 if (!isatty(1))
315 wine_server_fd_to_handle( 1, GENERIC_WRITE|SYNCHRONIZE, OBJ_INHERIT, &params.hStdOutput );
316 if (!isatty(2))
317 wine_server_fd_to_handle( 2, GENERIC_WRITE|SYNCHRONIZE, OBJ_INHERIT, &params.hStdError );
318 }
319
320 /* initialize time values in user_shared_data */
321 NtQuerySystemTime( &now );
322 user_shared_data->SystemTime.LowPart = now.u.LowPart;
323 user_shared_data->SystemTime.High1Time = user_shared_data->SystemTime.High2Time = now.u.HighPart;
324 user_shared_data->u.TickCountQuad = (now.QuadPart - server_start_time) / 10000;
325 user_shared_data->u.TickCount.High2Time = user_shared_data->u.TickCount.High1Time;
326 user_shared_data->TickCountLowDeprecated = user_shared_data->u.TickCount.LowPart;
327 user_shared_data->TickCountMultiplier = 1 << 24;
328
329 fill_cpu_info();
330
331 NtCreateKeyedEvent( &keyed_event, GENERIC_READ | GENERIC_WRITE, NULL, 0 );
332
333 return exe_file;
334 }
335
336
337 /***********************************************************************
338 * terminate_thread
339 */
340 void terminate_thread( int status )
341 {
342 pthread_sigmask( SIG_BLOCK, &server_block_set, NULL );
343 if (interlocked_xchg_add( &nb_threads, -1 ) <= 1) _exit( status );
344
345 close( ntdll_get_thread_data()->wait_fd[0] );
346 close( ntdll_get_thread_data()->wait_fd[1] );
347 close( ntdll_get_thread_data()->reply_fd );
348 close( ntdll_get_thread_data()->request_fd );
349 pthread_exit( UIntToPtr(status) );
350 }
351
352
353 /***********************************************************************
354 * exit_thread
355 */
356 void exit_thread( int status )
357 {
358 static void *prev_teb;
359 TEB *teb;
360
361 if (status) /* send the exit code to the server (0 is already the default) */
362 {
363 SERVER_START_REQ( terminate_thread )
364 {
365 req->handle = wine_server_obj_handle( GetCurrentThread() );
366 req->exit_code = status;
367 wine_server_call( req );
368 }
369 SERVER_END_REQ;
370 }
371
372 if (interlocked_xchg_add( &nb_threads, -1 ) <= 1)
373 {
374 LdrShutdownProcess();
375 exit( status );
376 }
377
378 LdrShutdownThread();
379 RtlFreeThreadActivationContextStack();
380
381 pthread_sigmask( SIG_BLOCK, &server_block_set, NULL );
382
383 if ((teb = interlocked_xchg_ptr( &prev_teb, NtCurrentTeb() )))
384 {
385 struct ntdll_thread_data *thread_data = (struct ntdll_thread_data *)teb->SpareBytes1;
386
387 if (thread_data->pthread_id)
388 {
389 pthread_join( thread_data->pthread_id, NULL );
390 signal_free_thread( teb );
391 }
392 }
393
394 close( ntdll_get_thread_data()->wait_fd[0] );
395 close( ntdll_get_thread_data()->wait_fd[1] );
396 close( ntdll_get_thread_data()->reply_fd );
397 close( ntdll_get_thread_data()->request_fd );
398 pthread_exit( UIntToPtr(status) );
399 }
400
401
402 /***********************************************************************
403 * start_thread
404 *
405 * Startup routine for a newly created thread.
406 */
407 static void start_thread( struct startup_info *info )
408 {
409 TEB *teb = info->teb;
410 struct ntdll_thread_data *thread_data = (struct ntdll_thread_data *)teb->SpareBytes1;
411 PRTL_THREAD_START_ROUTINE func = info->entry_point;
412 void *arg = info->entry_arg;
413 struct debug_info debug_info;
414
415 debug_info.str_pos = debug_info.strings;
416 debug_info.out_pos = debug_info.output;
417 thread_data->debug_info = &debug_info;
418 thread_data->pthread_id = pthread_self();
419
420 signal_init_thread( teb );
421 server_init_thread( func );
422 pthread_sigmask( SIG_UNBLOCK, &server_block_set, NULL );
423
424 MODULE_DllThreadAttach( NULL );
425
426 if (TRACE_ON(relay))
427 DPRINTF( "%04x:Starting thread proc %p (arg=%p)\n", GetCurrentThreadId(), func, arg );
428
429 call_thread_entry_point( (LPTHREAD_START_ROUTINE)func, arg );
430 }
431
432
433 /***********************************************************************
434 * RtlCreateUserThread (NTDLL.@)
435 */
436 NTSTATUS WINAPI RtlCreateUserThread( HANDLE process, const SECURITY_DESCRIPTOR *descr,
437 BOOLEAN suspended, PVOID stack_addr,
438 SIZE_T stack_reserve, SIZE_T stack_commit,
439 PRTL_THREAD_START_ROUTINE start, void *param,
440 HANDLE *handle_ptr, CLIENT_ID *id )
441 {
442 sigset_t sigset;
443 pthread_t pthread_id;
444 pthread_attr_t attr;
445 struct ntdll_thread_data *thread_data;
446 struct startup_info *info = NULL;
447 HANDLE handle = 0, actctx = 0;
448 TEB *teb = NULL;
449 DWORD tid = 0;
450 int request_pipe[2];
451 NTSTATUS status;
452
453 if (process != NtCurrentProcess())
454 {
455 apc_call_t call;
456 apc_result_t result;
457
458 memset( &call, 0, sizeof(call) );
459
460 call.create_thread.type = APC_CREATE_THREAD;
461 call.create_thread.func = wine_server_client_ptr( start );
462 call.create_thread.arg = wine_server_client_ptr( param );
463 call.create_thread.reserve = stack_reserve;
464 call.create_thread.commit = stack_commit;
465 call.create_thread.suspend = suspended;
466 status = server_queue_process_apc( process, &call, &result );
467 if (status != STATUS_SUCCESS) return status;
468
469 if (result.create_thread.status == STATUS_SUCCESS)
470 {
471 if (id) id->UniqueThread = ULongToHandle(result.create_thread.tid);
472 if (handle_ptr) *handle_ptr = wine_server_ptr_handle( result.create_thread.handle );
473 else NtClose( wine_server_ptr_handle( result.create_thread.handle ));
474 }
475 return result.create_thread.status;
476 }
477
478 if (server_pipe( request_pipe ) == -1) return STATUS_TOO_MANY_OPENED_FILES;
479 wine_server_send_fd( request_pipe[0] );
480
481 SERVER_START_REQ( new_thread )
482 {
483 req->access = THREAD_ALL_ACCESS;
484 req->attributes = 0; /* FIXME */
485 req->suspend = suspended;
486 req->request_fd = request_pipe[0];
487 if (!(status = wine_server_call( req )))
488 {
489 handle = wine_server_ptr_handle( reply->handle );
490 tid = reply->tid;
491 }
492 close( request_pipe[0] );
493 }
494 SERVER_END_REQ;
495
496 if (status)
497 {
498 close( request_pipe[1] );
499 return status;
500 }
501
502 pthread_sigmask( SIG_BLOCK, &server_block_set, &sigset );
503
504 if ((status = signal_alloc_thread( &teb ))) goto error;
505
506 teb->Peb = NtCurrentTeb()->Peb;
507 teb->ClientId.UniqueProcess = ULongToHandle(GetCurrentProcessId());
508 teb->ClientId.UniqueThread = ULongToHandle(tid);
509 teb->StaticUnicodeString.Buffer = teb->StaticUnicodeBuffer;
510 teb->StaticUnicodeString.MaximumLength = sizeof(teb->StaticUnicodeBuffer);
511
512 /* create default activation context frame for new thread */
513 RtlGetActiveActivationContext(&actctx);
514 if (actctx)
515 {
516 RTL_ACTIVATION_CONTEXT_STACK_FRAME *frame;
517
518 frame = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(*frame));
519 frame->Previous = NULL;
520 frame->ActivationContext = actctx;
521 frame->Flags = 0;
522 teb->ActivationContextStack.ActiveFrame = frame;
523 }
524
525 info = (struct startup_info *)(teb + 1);
526 info->teb = teb;
527 info->entry_point = start;
528 info->entry_arg = param;
529
530 thread_data = (struct ntdll_thread_data *)teb->SpareBytes1;
531 thread_data->request_fd = request_pipe[1];
532 thread_data->reply_fd = -1;
533 thread_data->wait_fd[0] = -1;
534 thread_data->wait_fd[1] = -1;
535
536 if ((status = virtual_alloc_thread_stack( teb, stack_reserve, stack_commit ))) goto error;
537
538 pthread_attr_init( &attr );
539 pthread_attr_setstack( &attr, teb->DeallocationStack,
540 (char *)teb->Tib.StackBase - (char *)teb->DeallocationStack );
541 pthread_attr_setscope( &attr, PTHREAD_SCOPE_SYSTEM ); /* force creating a kernel thread */
542 interlocked_xchg_add( &nb_threads, 1 );
543 if (pthread_create( &pthread_id, &attr, (void * (*)(void *))start_thread, info ))
544 {
545 interlocked_xchg_add( &nb_threads, -1 );
546 pthread_attr_destroy( &attr );
547 status = STATUS_NO_MEMORY;
548 goto error;
549 }
550 pthread_attr_destroy( &attr );
551 pthread_sigmask( SIG_SETMASK, &sigset, NULL );
552
553 if (id) id->UniqueThread = ULongToHandle(tid);
554 if (handle_ptr) *handle_ptr = handle;
555 else NtClose( handle );
556
557 return STATUS_SUCCESS;
558
559 error:
560 if (teb) signal_free_thread( teb );
561 if (handle) NtClose( handle );
562 pthread_sigmask( SIG_SETMASK, &sigset, NULL );
563 close( request_pipe[1] );
564 return status;
565 }
566
567
568 /******************************************************************************
569 * RtlGetNtGlobalFlags (NTDLL.@)
570 */
571 ULONG WINAPI RtlGetNtGlobalFlags(void)
572 {
573 if (!peb) return 0; /* init not done yet */
574 return peb->NtGlobalFlag;
575 }
576
577
578 /***********************************************************************
579 * NtOpenThread (NTDLL.@)
580 * ZwOpenThread (NTDLL.@)
581 */
582 NTSTATUS WINAPI NtOpenThread( HANDLE *handle, ACCESS_MASK access,
583 const OBJECT_ATTRIBUTES *attr, const CLIENT_ID *id )
584 {
585 NTSTATUS ret;
586
587 SERVER_START_REQ( open_thread )
588 {
589 req->tid = HandleToULong(id->UniqueThread);
590 req->access = access;
591 req->attributes = attr ? attr->Attributes : 0;
592 ret = wine_server_call( req );
593 *handle = wine_server_ptr_handle( reply->handle );
594 }
595 SERVER_END_REQ;
596 return ret;
597 }
598
599
600 /******************************************************************************
601 * NtSuspendThread (NTDLL.@)
602 * ZwSuspendThread (NTDLL.@)
603 */
604 NTSTATUS WINAPI NtSuspendThread( HANDLE handle, PULONG count )
605 {
606 NTSTATUS ret;
607
608 SERVER_START_REQ( suspend_thread )
609 {
610 req->handle = wine_server_obj_handle( handle );
611 if (!(ret = wine_server_call( req ))) *count = reply->count;
612 }
613 SERVER_END_REQ;
614 return ret;
615 }
616
617
618 /******************************************************************************
619 * NtResumeThread (NTDLL.@)
620 * ZwResumeThread (NTDLL.@)
621 */
622 NTSTATUS WINAPI NtResumeThread( HANDLE handle, PULONG count )
623 {
624 NTSTATUS ret;
625
626 SERVER_START_REQ( resume_thread )
627 {
628 req->handle = wine_server_obj_handle( handle );
629 if (!(ret = wine_server_call( req ))) *count = reply->count;
630 }
631 SERVER_END_REQ;
632 return ret;
633 }
634
635
636 /******************************************************************************
637 * NtAlertResumeThread (NTDLL.@)
638 * ZwAlertResumeThread (NTDLL.@)
639 */
640 NTSTATUS WINAPI NtAlertResumeThread( HANDLE handle, PULONG count )
641 {
642 FIXME( "stub: should alert thread %p\n", handle );
643 return NtResumeThread( handle, count );
644 }
645
646
647 /******************************************************************************
648 * NtAlertThread (NTDLL.@)
649 * ZwAlertThread (NTDLL.@)
650 */
651 NTSTATUS WINAPI NtAlertThread( HANDLE handle )
652 {
653 FIXME( "stub: %p\n", handle );
654 return STATUS_NOT_IMPLEMENTED;
655 }
656
657
658 /******************************************************************************
659 * NtTerminateThread (NTDLL.@)
660 * ZwTerminateThread (NTDLL.@)
661 */
662 NTSTATUS WINAPI NtTerminateThread( HANDLE handle, LONG exit_code )
663 {
664 NTSTATUS ret;
665 BOOL self;
666
667 SERVER_START_REQ( terminate_thread )
668 {
669 req->handle = wine_server_obj_handle( handle );
670 req->exit_code = exit_code;
671 ret = wine_server_call( req );
672 self = !ret && reply->self;
673 }
674 SERVER_END_REQ;
675
676 if (self) abort_thread( exit_code );
677 return ret;
678 }
679
680
681 /******************************************************************************
682 * NtQueueApcThread (NTDLL.@)
683 */
684 NTSTATUS WINAPI NtQueueApcThread( HANDLE handle, PNTAPCFUNC func, ULONG_PTR arg1,
685 ULONG_PTR arg2, ULONG_PTR arg3 )
686 {
687 NTSTATUS ret;
688 SERVER_START_REQ( queue_apc )
689 {
690 req->handle = wine_server_obj_handle( handle );
691 if (func)
692 {
693 req->call.type = APC_USER;
694 req->call.user.func = wine_server_client_ptr( func );
695 req->call.user.args[0] = arg1;
696 req->call.user.args[1] = arg2;
697 req->call.user.args[2] = arg3;
698 }
699 else req->call.type = APC_NONE; /* wake up only */
700 ret = wine_server_call( req );
701 }
702 SERVER_END_REQ;
703 return ret;
704 }
705
706
707 /***********************************************************************
708 * NtSetContextThread (NTDLL.@)
709 * ZwSetContextThread (NTDLL.@)
710 */
711 NTSTATUS WINAPI NtSetContextThread( HANDLE handle, const CONTEXT *context )
712 {
713 NTSTATUS ret;
714 DWORD dummy, i;
715 BOOL self = FALSE;
716
717 #ifdef __i386__
718 /* on i386 debug registers always require a server call */
719 self = (handle == GetCurrentThread());
720 if (self && (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386)))
721 {
722 self = (ntdll_get_thread_data()->dr0 == context->Dr0 &&
723 ntdll_get_thread_data()->dr1 == context->Dr1 &&
724 ntdll_get_thread_data()->dr2 == context->Dr2 &&
725 ntdll_get_thread_data()->dr3 == context->Dr3 &&
726 ntdll_get_thread_data()->dr6 == context->Dr6 &&
727 ntdll_get_thread_data()->dr7 == context->Dr7);
728 }
729 #endif
730
731 if (!self)
732 {
733 context_t server_context;
734
735 context_to_server( &server_context, context );
736
737 SERVER_START_REQ( set_thread_context )
738 {
739 req->handle = wine_server_obj_handle( handle );
740 req->suspend = 1;
741 wine_server_add_data( req, &server_context, sizeof(server_context) );
742 ret = wine_server_call( req );
743 self = reply->self;
744 }
745 SERVER_END_REQ;
746
747 if (ret == STATUS_PENDING)
748 {
749 for (i = 0; i < 100; i++)
750 {
751 SERVER_START_REQ( set_thread_context )
752 {
753 req->handle = wine_server_obj_handle( handle );
754 req->suspend = 0;
755 wine_server_add_data( req, &server_context, sizeof(server_context) );
756 ret = wine_server_call( req );
757 }
758 SERVER_END_REQ;
759 if (ret == STATUS_PENDING)
760 {
761 LARGE_INTEGER timeout;
762 timeout.QuadPart = -10000;
763 NtDelayExecution( FALSE, &timeout );
764 }
765 else break;
766 }
767 NtResumeThread( handle, &dummy );
768 if (ret == STATUS_PENDING) ret = STATUS_ACCESS_DENIED;
769 }
770
771 if (ret) return ret;
772 }
773
774 if (self) set_cpu_context( context );
775 return STATUS_SUCCESS;
776 }
777
778
779 /* convert CPU-specific flags to generic server flags */
780 static inline unsigned int get_server_context_flags( DWORD flags )
781 {
782 unsigned int ret = 0;
783
784 flags &= 0x3f; /* mask CPU id flags */
785 if (flags & CONTEXT_CONTROL) ret |= SERVER_CTX_CONTROL;
786 if (flags & CONTEXT_INTEGER) ret |= SERVER_CTX_INTEGER;
787 #ifdef CONTEXT_SEGMENTS
788 if (flags & CONTEXT_SEGMENTS) ret |= SERVER_CTX_SEGMENTS;
789 #endif
790 #ifdef CONTEXT_FLOATING_POINT
791 if (flags & CONTEXT_FLOATING_POINT) ret |= SERVER_CTX_FLOATING_POINT;
792 #endif
793 #ifdef CONTEXT_DEBUG_REGISTERS
794 if (flags & CONTEXT_DEBUG_REGISTERS) ret |= SERVER_CTX_DEBUG_REGISTERS;
795 #endif
796 #ifdef CONTEXT_EXTENDED_REGISTERS
797 if (flags & CONTEXT_EXTENDED_REGISTERS) ret |= SERVER_CTX_EXTENDED_REGISTERS;
798 #endif
799 return ret;
800 }
801
802 /***********************************************************************
803 * NtGetContextThread (NTDLL.@)
804 * ZwGetContextThread (NTDLL.@)
805 */
806 NTSTATUS WINAPI NtGetContextThread( HANDLE handle, CONTEXT *context )
807 {
808 NTSTATUS ret;
809 DWORD dummy, i;
810 DWORD needed_flags = context->ContextFlags;
811 BOOL self = (handle == GetCurrentThread());
812
813 #ifdef __i386__
814 /* on i386 debug registers always require a server call */
815 if (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386)) self = FALSE;
816 #endif
817
818 if (!self)
819 {
820 unsigned int server_flags = get_server_context_flags( context->ContextFlags );
821 context_t server_context;
822
823 SERVER_START_REQ( get_thread_context )
824 {
825 req->handle = wine_server_obj_handle( handle );
826 req->flags = server_flags;
827 req->suspend = 1;
828 wine_server_set_reply( req, &server_context, sizeof(server_context) );
829 ret = wine_server_call( req );
830 self = reply->self;
831 }
832 SERVER_END_REQ;
833
834 if (ret == STATUS_PENDING)
835 {
836 for (i = 0; i < 100; i++)
837 {
838 SERVER_START_REQ( get_thread_context )
839 {
840 req->handle = wine_server_obj_handle( handle );
841 req->flags = server_flags;
842 req->suspend = 0;
843 wine_server_set_reply( req, &server_context, sizeof(server_context) );
844 ret = wine_server_call( req );
845 }
846 SERVER_END_REQ;
847 if (ret == STATUS_PENDING)
848 {
849 LARGE_INTEGER timeout;
850 timeout.QuadPart = -10000;
851 NtDelayExecution( FALSE, &timeout );
852 }
853 else break;
854 }
855 NtResumeThread( handle, &dummy );
856 if (ret == STATUS_PENDING) ret = STATUS_ACCESS_DENIED;
857 }
858 if (!ret) ret = context_from_server( context, &server_context );
859 if (ret) return ret;
860 needed_flags &= ~context->ContextFlags;
861 }
862
863 if (self)
864 {
865 if (needed_flags)
866 {
867 CONTEXT ctx;
868 RtlCaptureContext( &ctx );
869 copy_context( context, &ctx, ctx.ContextFlags & needed_flags );
870 context->ContextFlags |= ctx.ContextFlags & needed_flags;
871 }
872 #ifdef __i386__
873 /* update the cached version of the debug registers */
874 if (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386))
875 {
876 ntdll_get_thread_data()->dr0 = context->Dr0;
877 ntdll_get_thread_data()->dr1 = context->Dr1;
878 ntdll_get_thread_data()->dr2 = context->Dr2;
879 ntdll_get_thread_data()->dr3 = context->Dr3;
880 ntdll_get_thread_data()->dr6 = context->Dr6;
881 ntdll_get_thread_data()->dr7 = context->Dr7;
882 }
883 #endif
884 }
885 return STATUS_SUCCESS;
886 }
887
888
889 /******************************************************************************
890 * NtQueryInformationThread (NTDLL.@)
891 * ZwQueryInformationThread (NTDLL.@)
892 */
893 NTSTATUS WINAPI NtQueryInformationThread( HANDLE handle, THREADINFOCLASS class,
894 void *data, ULONG length, ULONG *ret_len )
895 {
896 NTSTATUS status;
897
898 switch(class)
899 {
900 case ThreadBasicInformation:
901 {
902 THREAD_BASIC_INFORMATION info;
903 const ULONG_PTR affinity_mask = ((ULONG_PTR)1 << NtCurrentTeb()->Peb->NumberOfProcessors) - 1;
904
905 SERVER_START_REQ( get_thread_info )
906 {
907 req->handle = wine_server_obj_handle( handle );
908 req->tid_in = 0;
909 if (!(status = wine_server_call( req )))
910 {
911 info.ExitStatus = reply->exit_code;
912 info.TebBaseAddress = wine_server_get_ptr( reply->teb );
913 info.ClientId.UniqueProcess = ULongToHandle(reply->pid);
914 info.ClientId.UniqueThread = ULongToHandle(reply->tid);
915 info.AffinityMask = reply->affinity & affinity_mask;
916 info.Priority = reply->priority;
917 info.BasePriority = reply->priority; /* FIXME */
918 }
919 }
920 SERVER_END_REQ;
921 if (status == STATUS_SUCCESS)
922 {
923 if (data) memcpy( data, &info, min( length, sizeof(info) ));
924 if (ret_len) *ret_len = min( length, sizeof(info) );
925 }
926 }
927 return status;
928 case ThreadAffinityMask:
929 {
930 const ULONG_PTR affinity_mask = ((ULONG_PTR)1 << NtCurrentTeb()->Peb->NumberOfProcessors) - 1;
931 ULONG_PTR affinity = 0;
932
933 SERVER_START_REQ( get_thread_info )
934 {
935 req->handle = wine_server_obj_handle( handle );
936 req->tid_in = 0;
937 if (!(status = wine_server_call( req )))
938 affinity = reply->affinity & affinity_mask;
939 }
940 SERVER_END_REQ;
941 if (status == STATUS_SUCCESS)
942 {
943 if (data) memcpy( data, &affinity, min( length, sizeof(affinity) ));
944 if (ret_len) *ret_len = min( length, sizeof(affinity) );
945 }
946 }
947 return status;
948 case ThreadTimes:
949 {
950 KERNEL_USER_TIMES kusrt;
951 /* We need to do a server call to get the creation time or exit time */
952 /* This works on any thread */
953 SERVER_START_REQ( get_thread_info )
954 {
955 req->handle = wine_server_obj_handle( handle );
956 req->tid_in = 0;
957 status = wine_server_call( req );
958 if (status == STATUS_SUCCESS)
959 {
960 kusrt.CreateTime.QuadPart = reply->creation_time;
961 kusrt.ExitTime.QuadPart = reply->exit_time;
962 }
963 }
964 SERVER_END_REQ;
965 if (status == STATUS_SUCCESS)
966 {
967 /* We call times(2) for kernel time or user time */
968 /* We can only (portably) do this for the current thread */
969 if (handle == GetCurrentThread())
970 {
971 struct tms time_buf;
972 long clocks_per_sec = sysconf(_SC_CLK_TCK);
973
974 times(&time_buf);
975 kusrt.KernelTime.QuadPart = (ULONGLONG)time_buf.tms_stime * 10000000 / clocks_per_sec;
976 kusrt.UserTime.QuadPart = (ULONGLONG)time_buf.tms_utime * 10000000 / clocks_per_sec;
977 }
978 else
979 {
980 static BOOL reported = FALSE;
981
982 kusrt.KernelTime.QuadPart = 0;
983 kusrt.UserTime.QuadPart = 0;
984 if (reported)
985 TRACE("Cannot get kerneltime or usertime of other threads\n");
986 else
987 {
988 FIXME("Cannot get kerneltime or usertime of other threads\n");
989 reported = TRUE;
990 }
991 }
992 if (data) memcpy( data, &kusrt, min( length, sizeof(kusrt) ));
993 if (ret_len) *ret_len = min( length, sizeof(kusrt) );
994 }
995 }
996 return status;
997 case ThreadDescriptorTableEntry:
998 {
999 #ifdef __i386__
1000 THREAD_DESCRIPTOR_INFORMATION* tdi = data;
1001 if (length < sizeof(*tdi))
1002 status = STATUS_INFO_LENGTH_MISMATCH;
1003 else if (!(tdi->Selector & 4)) /* GDT selector */
1004 {
1005 unsigned sel = tdi->Selector & ~3; /* ignore RPL */
1006 status = STATUS_SUCCESS;
1007 if (!sel) /* null selector */
1008 memset( &tdi->Entry, 0, sizeof(tdi->Entry) );
1009 else
1010 {
1011 tdi->Entry.BaseLow = 0;
1012 tdi->Entry.HighWord.Bits.BaseMid = 0;
1013 tdi->Entry.HighWord.Bits.BaseHi = 0;
1014 tdi->Entry.LimitLow = 0xffff;
1015 tdi->Entry.HighWord.Bits.LimitHi = 0xf;
1016 tdi->Entry.HighWord.Bits.Dpl = 3;
1017 tdi->Entry.HighWord.Bits.Sys = 0;
1018 tdi->Entry.HighWord.Bits.Pres = 1;
1019 tdi->Entry.HighWord.Bits.Granularity = 1;
1020 tdi->Entry.HighWord.Bits.Default_Big = 1;
1021 tdi->Entry.HighWord.Bits.Type = 0x12;
1022 /* it has to be one of the system GDT selectors */
1023 if (sel != (wine_get_ds() & ~3) && sel != (wine_get_ss() & ~3))
1024 {
1025 if (sel == (wine_get_cs() & ~3))
1026 tdi->Entry.HighWord.Bits.Type |= 8; /* code segment */
1027 else status = STATUS_ACCESS_DENIED;
1028 }
1029 }
1030 }
1031 else
1032 {
1033 SERVER_START_REQ( get_selector_entry )
1034 {
1035 req->handle = wine_server_obj_handle( handle );
1036 req->entry = tdi->Selector >> 3;
1037 status = wine_server_call( req );
1038 if (!status)
1039 {
1040 if (!(reply->flags & WINE_LDT_FLAGS_ALLOCATED))
1041 status = STATUS_ACCESS_VIOLATION;
1042 else
1043 {
1044 wine_ldt_set_base ( &tdi->Entry, (void *)reply->base );
1045 wine_ldt_set_limit( &tdi->Entry, reply->limit );
1046 wine_ldt_set_flags( &tdi->Entry, reply->flags );
1047 }
1048 }
1049 }
1050 SERVER_END_REQ;
1051 }
1052 if (status == STATUS_SUCCESS && ret_len)
1053 /* yes, that's a bit strange, but it's the way it is */
1054 *ret_len = sizeof(LDT_ENTRY);
1055 #else
1056 status = STATUS_NOT_IMPLEMENTED;
1057 #endif
1058 return status;
1059 }
1060 case ThreadAmILastThread:
1061 {
1062 SERVER_START_REQ(get_thread_info)
1063 {
1064 req->handle = wine_server_obj_handle( handle );
1065 req->tid_in = 0;
1066 status = wine_server_call( req );
1067 if (status == STATUS_SUCCESS)
1068 {
1069 BOOLEAN last = reply->last;
1070 if (data) memcpy( data, &last, min( length, sizeof(last) ));
1071 if (ret_len) *ret_len = min( length, sizeof(last) );
1072 }
1073 }
1074 SERVER_END_REQ;
1075 return status;
1076 }
1077 case ThreadPriority:
1078 case ThreadBasePriority:
1079 case ThreadImpersonationToken:
1080 case ThreadEnableAlignmentFaultFixup:
1081 case ThreadEventPair_Reusable:
1082 case ThreadQuerySetWin32StartAddress:
1083 case ThreadZeroTlsCell:
1084 case ThreadPerformanceCount:
1085 case ThreadIdealProcessor:
1086 case ThreadPriorityBoost:
1087 case ThreadSetTlsArrayAddress:
1088 case ThreadIsIoPending:
1089 default:
1090 FIXME( "info class %d not supported yet\n", class );
1091 return STATUS_NOT_IMPLEMENTED;
1092 }
1093 }
1094
1095
1096 /******************************************************************************
1097 * NtSetInformationThread (NTDLL.@)
1098 * ZwSetInformationThread (NTDLL.@)
1099 */
1100 NTSTATUS WINAPI NtSetInformationThread( HANDLE handle, THREADINFOCLASS class,
1101 LPCVOID data, ULONG length )
1102 {
1103 NTSTATUS status;
1104 switch(class)
1105 {
1106 case ThreadZeroTlsCell:
1107 if (handle == GetCurrentThread())
1108 {
1109 LIST_ENTRY *entry;
1110 DWORD index;
1111
1112 if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
1113 index = *(const DWORD *)data;
1114 if (index < TLS_MINIMUM_AVAILABLE)
1115 {
1116 RtlAcquirePebLock();
1117 for (entry = tls_links.Flink; entry != &tls_links; entry = entry->Flink)
1118 {
1119 TEB *teb = CONTAINING_RECORD(entry, TEB, TlsLinks);
1120 teb->TlsSlots[index] = 0;
1121 }
1122 RtlReleasePebLock();
1123 }
1124 else
1125 {
1126 index -= TLS_MINIMUM_AVAILABLE;
1127 if (index >= 8 * sizeof(NtCurrentTeb()->Peb->TlsExpansionBitmapBits))
1128 return STATUS_INVALID_PARAMETER;
1129 RtlAcquirePebLock();
1130 for (entry = tls_links.Flink; entry != &tls_links; entry = entry->Flink)
1131 {
1132 TEB *teb = CONTAINING_RECORD(entry, TEB, TlsLinks);
1133 if (teb->TlsExpansionSlots) teb->TlsExpansionSlots[index] = 0;
1134 }
1135 RtlReleasePebLock();
1136 }
1137 return STATUS_SUCCESS;
1138 }
1139 FIXME( "ZeroTlsCell not supported on other threads\n" );
1140 return STATUS_NOT_IMPLEMENTED;
1141
1142 case ThreadImpersonationToken:
1143 {
1144 const HANDLE *phToken = data;
1145 if (length != sizeof(HANDLE)) return STATUS_INVALID_PARAMETER;
1146 TRACE("Setting ThreadImpersonationToken handle to %p\n", *phToken );
1147 SERVER_START_REQ( set_thread_info )
1148 {
1149 req->handle = wine_server_obj_handle( handle );
1150 req->token = wine_server_obj_handle( *phToken );
1151 req->mask = SET_THREAD_INFO_TOKEN;
1152 status = wine_server_call( req );
1153 }
1154 SERVER_END_REQ;
1155 }
1156 return status;
1157 case ThreadBasePriority:
1158 {
1159 const DWORD *pprio = data;
1160 if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
1161 SERVER_START_REQ( set_thread_info )
1162 {
1163 req->handle = wine_server_obj_handle( handle );
1164 req->priority = *pprio;
1165 req->mask = SET_THREAD_INFO_PRIORITY;
1166 status = wine_server_call( req );
1167 }
1168 SERVER_END_REQ;
1169 }
1170 return status;
1171 case ThreadAffinityMask:
1172 {
1173 const ULONG_PTR affinity_mask = ((ULONG_PTR)1 << NtCurrentTeb()->Peb->NumberOfProcessors) - 1;
1174 ULONG_PTR req_aff;
1175
1176 if (length != sizeof(ULONG_PTR)) return STATUS_INVALID_PARAMETER;
1177 req_aff = *(const ULONG_PTR *)data;
1178 if ((ULONG)req_aff == ~0u) req_aff = affinity_mask;
1179 else if (req_aff & ~affinity_mask) return STATUS_INVALID_PARAMETER;
1180 else if (!req_aff) return STATUS_INVALID_PARAMETER;
1181 SERVER_START_REQ( set_thread_info )
1182 {
1183 req->handle = wine_server_obj_handle( handle );
1184 req->affinity = req_aff;
1185 req->mask = SET_THREAD_INFO_AFFINITY;
1186 status = wine_server_call( req );
1187 }
1188 SERVER_END_REQ;
1189 }
1190 return status;
1191 case ThreadHideFromDebugger:
1192 /* pretend the call succeeded to satisfy some code protectors */
1193 return STATUS_SUCCESS;
1194
1195 case ThreadBasicInformation:
1196 case ThreadTimes:
1197 case ThreadPriority:
1198 case ThreadDescriptorTableEntry:
1199 case ThreadEnableAlignmentFaultFixup:
1200 case ThreadEventPair_Reusable:
1201 case ThreadQuerySetWin32StartAddress:
1202 case ThreadPerformanceCount:
1203 case ThreadAmILastThread:
1204 case ThreadIdealProcessor:
1205 case ThreadPriorityBoost:
1206 case ThreadSetTlsArrayAddress:
1207 case ThreadIsIoPending:
1208 default:
1209 FIXME( "info class %d not supported yet\n", class );
1210 return STATUS_NOT_IMPLEMENTED;
1211 }
1212 }
1213
1214 /******************************************************************************
1215 * NtGetCurrentProcessorNumber (NTDLL.@)
1216 *
1217 * Return the processor, on which the thread is running
1218 *
1219 */
1220 ULONG WINAPI NtGetCurrentProcessorNumber(void)
1221 {
1222 ULONG processor;
1223
1224 #if defined(__linux__) && defined(__NR_getcpu)
1225 int res = syscall(__NR_getcpu, &processor, NULL, NULL);
1226 if (res != -1) return processor;
1227 #endif
1228
1229 if (NtCurrentTeb()->Peb->NumberOfProcessors > 1)
1230 {
1231 ULONG_PTR thread_mask, processor_mask;
1232 NTSTATUS status;
1233
1234 status = NtQueryInformationThread(GetCurrentThread(), ThreadAffinityMask,
1235 &thread_mask, sizeof(thread_mask), NULL);
1236 if (status == STATUS_SUCCESS)
1237 {
1238 for (processor = 0; processor < NtCurrentTeb()->Peb->NumberOfProcessors; processor++)
1239 {
1240 processor_mask = (1 << processor);
1241 if (thread_mask & processor_mask)
1242 {
1243 if (thread_mask != processor_mask)
1244 FIXME("need multicore support (%d processors)\n",
1245 NtCurrentTeb()->Peb->NumberOfProcessors);
1246 return processor;
1247 }
1248 }
1249 }
1250 }
1251
1252 /* fallback to the first processor */
1253 return 0;
1254 }
Windows API implementation