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mshtml: Don't crash creating a URI if we have no document.
[wine.git] / dlls / ntdll / thread.c
blob6127c8f5dbeb3167a1cf8343861162d913246bd3
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 ULONG64 get_dyld_image_info_addr(void)
193 {
194 ULONG64 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 #ifdef __APPLE__
223 ULONG64 dyld_image_info;
224 #endif
225
226 virtual_init();
227
228 /* reserve space for shared user data */
229
230 addr = (void *)0x7ffe0000;
231 size = 0x10000;
232 status = NtAllocateVirtualMemory( NtCurrentProcess(), &addr, 0, &size,
233 MEM_RESERVE|MEM_COMMIT, PAGE_READWRITE );
234 if (status)
235 {
236 MESSAGE( "wine: failed to map the shared user data: %08x\n", status );
237 exit(1);
238 }
239 user_shared_data = addr;
240
241 /* allocate and initialize the PEB */
242
243 addr = NULL;
244 size = sizeof(*peb);
245 NtAllocateVirtualMemory( NtCurrentProcess(), &addr, 1, &size,
246 MEM_COMMIT | MEM_TOP_DOWN, PAGE_READWRITE );
247 peb = addr;
248
249 peb->ProcessParameters = &params;
250 peb->TlsBitmap = &tls_bitmap;
251 peb->TlsExpansionBitmap = &tls_expansion_bitmap;
252 peb->FlsBitmap = &fls_bitmap;
253 peb->LdrData = &ldr;
254 peb->OSMajorVersion = 5;
255 peb->OSMinorVersion = 1;
256 peb->OSBuildNumber = 0xA28;
257 peb->OSPlatformId = VER_PLATFORM_WIN32_NT;
258 params.CurrentDirectory.DosPath.Buffer = current_dir;
259 params.CurrentDirectory.DosPath.MaximumLength = sizeof(current_dir);
260 params.wShowWindow = 1; /* SW_SHOWNORMAL */
261 ldr.Length = sizeof(ldr);
262 RtlInitializeBitMap( &tls_bitmap, peb->TlsBitmapBits, sizeof(peb->TlsBitmapBits) * 8 );
263 RtlInitializeBitMap( &tls_expansion_bitmap, peb->TlsExpansionBitmapBits,
264 sizeof(peb->TlsExpansionBitmapBits) * 8 );
265 RtlInitializeBitMap( &fls_bitmap, peb->FlsBitmapBits, sizeof(peb->FlsBitmapBits) * 8 );
266 RtlSetBits( peb->TlsBitmap, 0, 1 ); /* TLS index 0 is reserved and should be initialized to NULL. */
267 RtlSetBits( peb->FlsBitmap, 0, 1 );
268 InitializeListHead( &peb->FlsListHead );
269 InitializeListHead( &ldr.InLoadOrderModuleList );
270 InitializeListHead( &ldr.InMemoryOrderModuleList );
271 InitializeListHead( &ldr.InInitializationOrderModuleList );
272 #ifdef __APPLE__
273 dyld_image_info = get_dyld_image_info_addr();
274 #ifdef __LP64__
275 #ifdef WORDS_BIGENDIAN
276 peb->Reserved[1] = dyld_image_info & 0xFFFFFFFF;
277 peb->Reserved[0] = dyld_image_info >> 32;
278 #else
279 peb->Reserved[0] = dyld_image_info & 0xFFFFFFFF;
280 peb->Reserved[1] = dyld_image_info >> 32;
281 #endif
282 #else
283 peb->Reserved[0] = dyld_image_info & 0xFFFFFFFF;
284 #endif
285 #endif
286
287 /*
288 * Starting with Vista, the first user to log on has session id 1.
289 * Session id 0 is for processes that don't interact with the user (like services).
290 */
291 peb->SessionId = 1;
292
293 /* allocate and initialize the initial TEB */
294
295 signal_alloc_thread( &teb );
296 teb->Peb = peb;
297 teb->Tib.StackBase = (void *)~0UL;
298 teb->StaticUnicodeString.Buffer = teb->StaticUnicodeBuffer;
299 teb->StaticUnicodeString.MaximumLength = sizeof(teb->StaticUnicodeBuffer);
300
301 thread_data = (struct ntdll_thread_data *)teb->SpareBytes1;
302 thread_data->request_fd = -1;
303 thread_data->reply_fd = -1;
304 thread_data->wait_fd[0] = -1;
305 thread_data->wait_fd[1] = -1;
306 thread_data->debug_info = &debug_info;
307 InsertHeadList( &tls_links, &teb->TlsLinks );
308
309 signal_init_thread( teb );
310 virtual_init_threading();
311
312 debug_info.str_pos = debug_info.strings;
313 debug_info.out_pos = debug_info.output;
314 debug_init();
315
316 /* setup the server connection */
317 server_init_process();
318 info_size = server_init_thread( peb );
319
320 /* create the process heap */
321 if (!(peb->ProcessHeap = RtlCreateHeap( HEAP_GROWABLE, NULL, 0, 0, NULL, NULL )))
322 {
323 MESSAGE( "wine: failed to create the process heap\n" );
324 exit(1);
325 }
326
327 /* allocate user parameters */
328 if (info_size)
329 {
330 init_user_process_params( info_size, &exe_file );
331 }
332 else
333 {
334 if (isatty(0) || isatty(1) || isatty(2))
335 params.ConsoleHandle = (HANDLE)2; /* see kernel32/kernel_private.h */
336 if (!isatty(0))
337 wine_server_fd_to_handle( 0, GENERIC_READ|SYNCHRONIZE, OBJ_INHERIT, &params.hStdInput );
338 if (!isatty(1))
339 wine_server_fd_to_handle( 1, GENERIC_WRITE|SYNCHRONIZE, OBJ_INHERIT, &params.hStdOutput );
340 if (!isatty(2))
341 wine_server_fd_to_handle( 2, GENERIC_WRITE|SYNCHRONIZE, OBJ_INHERIT, &params.hStdError );
342 }
343
344 /* initialize time values in user_shared_data */
345 NtQuerySystemTime( &now );
346 user_shared_data->SystemTime.LowPart = now.u.LowPart;
347 user_shared_data->SystemTime.High1Time = user_shared_data->SystemTime.High2Time = now.u.HighPart;
348 user_shared_data->u.TickCountQuad = (now.QuadPart - server_start_time) / 10000;
349 user_shared_data->u.TickCount.High2Time = user_shared_data->u.TickCount.High1Time;
350 user_shared_data->TickCountLowDeprecated = user_shared_data->u.TickCount.LowPart;
351 user_shared_data->TickCountMultiplier = 1 << 24;
352
353 fill_cpu_info();
354
355 NtCreateKeyedEvent( &keyed_event, GENERIC_READ | GENERIC_WRITE, NULL, 0 );
356
357 return exe_file;
358 }
359
360
361 /***********************************************************************
362 * terminate_thread
363 */
364 void terminate_thread( int status )
365 {
366 pthread_sigmask( SIG_BLOCK, &server_block_set, NULL );
367 if (interlocked_xchg_add( &nb_threads, -1 ) <= 1) _exit( status );
368
369 close( ntdll_get_thread_data()->wait_fd[0] );
370 close( ntdll_get_thread_data()->wait_fd[1] );
371 close( ntdll_get_thread_data()->reply_fd );
372 close( ntdll_get_thread_data()->request_fd );
373 pthread_exit( UIntToPtr(status) );
374 }
375
376
377 /***********************************************************************
378 * exit_thread
379 */
380 void exit_thread( int status )
381 {
382 static void *prev_teb;
383 TEB *teb;
384
385 if (status) /* send the exit code to the server (0 is already the default) */
386 {
387 SERVER_START_REQ( terminate_thread )
388 {
389 req->handle = wine_server_obj_handle( GetCurrentThread() );
390 req->exit_code = status;
391 wine_server_call( req );
392 }
393 SERVER_END_REQ;
394 }
395
396 if (interlocked_xchg_add( &nb_threads, -1 ) <= 1)
397 {
398 LdrShutdownProcess();
399 exit( status );
400 }
401
402 LdrShutdownThread();
403 RtlFreeThreadActivationContextStack();
404
405 pthread_sigmask( SIG_BLOCK, &server_block_set, NULL );
406
407 if ((teb = interlocked_xchg_ptr( &prev_teb, NtCurrentTeb() )))
408 {
409 struct ntdll_thread_data *thread_data = (struct ntdll_thread_data *)teb->SpareBytes1;
410
411 if (thread_data->pthread_id)
412 {
413 pthread_join( thread_data->pthread_id, NULL );
414 signal_free_thread( teb );
415 }
416 }
417
418 close( ntdll_get_thread_data()->wait_fd[0] );
419 close( ntdll_get_thread_data()->wait_fd[1] );
420 close( ntdll_get_thread_data()->reply_fd );
421 close( ntdll_get_thread_data()->request_fd );
422 pthread_exit( UIntToPtr(status) );
423 }
424
425
426 /***********************************************************************
427 * start_thread
428 *
429 * Startup routine for a newly created thread.
430 */
431 static void start_thread( struct startup_info *info )
432 {
433 TEB *teb = info->teb;
434 struct ntdll_thread_data *thread_data = (struct ntdll_thread_data *)teb->SpareBytes1;
435 PRTL_THREAD_START_ROUTINE func = info->entry_point;
436 void *arg = info->entry_arg;
437 struct debug_info debug_info;
438
439 debug_info.str_pos = debug_info.strings;
440 debug_info.out_pos = debug_info.output;
441 thread_data->debug_info = &debug_info;
442 thread_data->pthread_id = pthread_self();
443
444 signal_init_thread( teb );
445 server_init_thread( func );
446 pthread_sigmask( SIG_UNBLOCK, &server_block_set, NULL );
447
448 MODULE_DllThreadAttach( NULL );
449
450 if (TRACE_ON(relay))
451 DPRINTF( "%04x:Starting thread proc %p (arg=%p)\n", GetCurrentThreadId(), func, arg );
452
453 call_thread_entry_point( (LPTHREAD_START_ROUTINE)func, arg );
454 }
455
456
457 /***********************************************************************
458 * RtlCreateUserThread (NTDLL.@)
459 */
460 NTSTATUS WINAPI RtlCreateUserThread( HANDLE process, const SECURITY_DESCRIPTOR *descr,
461 BOOLEAN suspended, PVOID stack_addr,
462 SIZE_T stack_reserve, SIZE_T stack_commit,
463 PRTL_THREAD_START_ROUTINE start, void *param,
464 HANDLE *handle_ptr, CLIENT_ID *id )
465 {
466 sigset_t sigset;
467 pthread_t pthread_id;
468 pthread_attr_t attr;
469 struct ntdll_thread_data *thread_data;
470 struct startup_info *info;
471 HANDLE handle = 0, actctx = 0;
472 TEB *teb = NULL;
473 DWORD tid = 0;
474 int request_pipe[2];
475 NTSTATUS status;
476
477 if (process != NtCurrentProcess())
478 {
479 apc_call_t call;
480 apc_result_t result;
481
482 memset( &call, 0, sizeof(call) );
483
484 call.create_thread.type = APC_CREATE_THREAD;
485 call.create_thread.func = wine_server_client_ptr( start );
486 call.create_thread.arg = wine_server_client_ptr( param );
487 call.create_thread.reserve = stack_reserve;
488 call.create_thread.commit = stack_commit;
489 call.create_thread.suspend = suspended;
490 status = server_queue_process_apc( process, &call, &result );
491 if (status != STATUS_SUCCESS) return status;
492
493 if (result.create_thread.status == STATUS_SUCCESS)
494 {
495 if (id) id->UniqueThread = ULongToHandle(result.create_thread.tid);
496 if (handle_ptr) *handle_ptr = wine_server_ptr_handle( result.create_thread.handle );
497 else NtClose( wine_server_ptr_handle( result.create_thread.handle ));
498 }
499 return result.create_thread.status;
500 }
501
502 if (server_pipe( request_pipe ) == -1) return STATUS_TOO_MANY_OPENED_FILES;
503 wine_server_send_fd( request_pipe[0] );
504
505 SERVER_START_REQ( new_thread )
506 {
507 req->access = THREAD_ALL_ACCESS;
508 req->attributes = 0; /* FIXME */
509 req->suspend = suspended;
510 req->request_fd = request_pipe[0];
511 if (!(status = wine_server_call( req )))
512 {
513 handle = wine_server_ptr_handle( reply->handle );
514 tid = reply->tid;
515 }
516 close( request_pipe[0] );
517 }
518 SERVER_END_REQ;
519
520 if (status)
521 {
522 close( request_pipe[1] );
523 return status;
524 }
525
526 pthread_sigmask( SIG_BLOCK, &server_block_set, &sigset );
527
528 if ((status = signal_alloc_thread( &teb ))) goto error;
529
530 teb->Peb = NtCurrentTeb()->Peb;
531 teb->ClientId.UniqueProcess = ULongToHandle(GetCurrentProcessId());
532 teb->ClientId.UniqueThread = ULongToHandle(tid);
533 teb->StaticUnicodeString.Buffer = teb->StaticUnicodeBuffer;
534 teb->StaticUnicodeString.MaximumLength = sizeof(teb->StaticUnicodeBuffer);
535
536 /* create default activation context frame for new thread */
537 RtlGetActiveActivationContext(&actctx);
538 if (actctx)
539 {
540 RTL_ACTIVATION_CONTEXT_STACK_FRAME *frame;
541
542 frame = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(*frame));
543 frame->Previous = NULL;
544 frame->ActivationContext = actctx;
545 frame->Flags = 0;
546 teb->ActivationContextStack.ActiveFrame = frame;
547 }
548
549 info = (struct startup_info *)(teb + 1);
550 info->teb = teb;
551 info->entry_point = start;
552 info->entry_arg = param;
553
554 thread_data = (struct ntdll_thread_data *)teb->SpareBytes1;
555 thread_data->request_fd = request_pipe[1];
556 thread_data->reply_fd = -1;
557 thread_data->wait_fd[0] = -1;
558 thread_data->wait_fd[1] = -1;
559
560 if ((status = virtual_alloc_thread_stack( teb, stack_reserve, stack_commit ))) goto error;
561
562 pthread_attr_init( &attr );
563 pthread_attr_setstack( &attr, teb->DeallocationStack,
564 (char *)teb->Tib.StackBase - (char *)teb->DeallocationStack );
565 pthread_attr_setscope( &attr, PTHREAD_SCOPE_SYSTEM ); /* force creating a kernel thread */
566 interlocked_xchg_add( &nb_threads, 1 );
567 if (pthread_create( &pthread_id, &attr, (void * (*)(void *))start_thread, info ))
568 {
569 interlocked_xchg_add( &nb_threads, -1 );
570 pthread_attr_destroy( &attr );
571 status = STATUS_NO_MEMORY;
572 goto error;
573 }
574 pthread_attr_destroy( &attr );
575 pthread_sigmask( SIG_SETMASK, &sigset, NULL );
576
577 if (id) id->UniqueThread = ULongToHandle(tid);
578 if (handle_ptr) *handle_ptr = handle;
579 else NtClose( handle );
580
581 return STATUS_SUCCESS;
582
583 error:
584 if (teb) signal_free_thread( teb );
585 if (handle) NtClose( handle );
586 pthread_sigmask( SIG_SETMASK, &sigset, NULL );
587 close( request_pipe[1] );
588 return status;
589 }
590
591
592 /******************************************************************************
593 * RtlGetNtGlobalFlags (NTDLL.@)
594 */
595 ULONG WINAPI RtlGetNtGlobalFlags(void)
596 {
597 if (!peb) return 0; /* init not done yet */
598 return peb->NtGlobalFlag;
599 }
600
601
602 /***********************************************************************
603 * NtOpenThread (NTDLL.@)
604 * ZwOpenThread (NTDLL.@)
605 */
606 NTSTATUS WINAPI NtOpenThread( HANDLE *handle, ACCESS_MASK access,
607 const OBJECT_ATTRIBUTES *attr, const CLIENT_ID *id )
608 {
609 NTSTATUS ret;
610
611 SERVER_START_REQ( open_thread )
612 {
613 req->tid = HandleToULong(id->UniqueThread);
614 req->access = access;
615 req->attributes = attr ? attr->Attributes : 0;
616 ret = wine_server_call( req );
617 *handle = wine_server_ptr_handle( reply->handle );
618 }
619 SERVER_END_REQ;
620 return ret;
621 }
622
623
624 /******************************************************************************
625 * NtSuspendThread (NTDLL.@)
626 * ZwSuspendThread (NTDLL.@)
627 */
628 NTSTATUS WINAPI NtSuspendThread( HANDLE handle, PULONG count )
629 {
630 NTSTATUS ret;
631
632 SERVER_START_REQ( suspend_thread )
633 {
634 req->handle = wine_server_obj_handle( handle );
635 if (!(ret = wine_server_call( req ))) *count = reply->count;
636 }
637 SERVER_END_REQ;
638 return ret;
639 }
640
641
642 /******************************************************************************
643 * NtResumeThread (NTDLL.@)
644 * ZwResumeThread (NTDLL.@)
645 */
646 NTSTATUS WINAPI NtResumeThread( HANDLE handle, PULONG count )
647 {
648 NTSTATUS ret;
649
650 SERVER_START_REQ( resume_thread )
651 {
652 req->handle = wine_server_obj_handle( handle );
653 if (!(ret = wine_server_call( req ))) *count = reply->count;
654 }
655 SERVER_END_REQ;
656 return ret;
657 }
658
659
660 /******************************************************************************
661 * NtAlertResumeThread (NTDLL.@)
662 * ZwAlertResumeThread (NTDLL.@)
663 */
664 NTSTATUS WINAPI NtAlertResumeThread( HANDLE handle, PULONG count )
665 {
666 FIXME( "stub: should alert thread %p\n", handle );
667 return NtResumeThread( handle, count );
668 }
669
670
671 /******************************************************************************
672 * NtAlertThread (NTDLL.@)
673 * ZwAlertThread (NTDLL.@)
674 */
675 NTSTATUS WINAPI NtAlertThread( HANDLE handle )
676 {
677 FIXME( "stub: %p\n", handle );
678 return STATUS_NOT_IMPLEMENTED;
679 }
680
681
682 /******************************************************************************
683 * NtTerminateThread (NTDLL.@)
684 * ZwTerminateThread (NTDLL.@)
685 */
686 NTSTATUS WINAPI NtTerminateThread( HANDLE handle, LONG exit_code )
687 {
688 NTSTATUS ret;
689 BOOL self;
690
691 SERVER_START_REQ( terminate_thread )
692 {
693 req->handle = wine_server_obj_handle( handle );
694 req->exit_code = exit_code;
695 ret = wine_server_call( req );
696 self = !ret && reply->self;
697 }
698 SERVER_END_REQ;
699
700 if (self) abort_thread( exit_code );
701 return ret;
702 }
703
704
705 /******************************************************************************
706 * NtQueueApcThread (NTDLL.@)
707 */
708 NTSTATUS WINAPI NtQueueApcThread( HANDLE handle, PNTAPCFUNC func, ULONG_PTR arg1,
709 ULONG_PTR arg2, ULONG_PTR arg3 )
710 {
711 NTSTATUS ret;
712 SERVER_START_REQ( queue_apc )
713 {
714 req->handle = wine_server_obj_handle( handle );
715 if (func)
716 {
717 req->call.type = APC_USER;
718 req->call.user.func = wine_server_client_ptr( func );
719 req->call.user.args[0] = arg1;
720 req->call.user.args[1] = arg2;
721 req->call.user.args[2] = arg3;
722 }
723 else req->call.type = APC_NONE; /* wake up only */
724 ret = wine_server_call( req );
725 }
726 SERVER_END_REQ;
727 return ret;
728 }
729
730
731 /***********************************************************************
732 * NtSetContextThread (NTDLL.@)
733 * ZwSetContextThread (NTDLL.@)
734 */
735 NTSTATUS WINAPI NtSetContextThread( HANDLE handle, const CONTEXT *context )
736 {
737 NTSTATUS ret;
738 DWORD dummy, i;
739 BOOL self;
740
741 #ifdef __i386__
742 /* on i386 debug registers always require a server call */
743 self = (handle == GetCurrentThread());
744 if (self && (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386)))
745 {
746 self = (ntdll_get_thread_data()->dr0 == context->Dr0 &&
747 ntdll_get_thread_data()->dr1 == context->Dr1 &&
748 ntdll_get_thread_data()->dr2 == context->Dr2 &&
749 ntdll_get_thread_data()->dr3 == context->Dr3 &&
750 ntdll_get_thread_data()->dr6 == context->Dr6 &&
751 ntdll_get_thread_data()->dr7 == context->Dr7);
752 }
753 #else
754 self = FALSE;
755 #endif
756
757 if (!self)
758 {
759 context_t server_context;
760
761 context_to_server( &server_context, context );
762
763 SERVER_START_REQ( set_thread_context )
764 {
765 req->handle = wine_server_obj_handle( handle );
766 req->suspend = 1;
767 wine_server_add_data( req, &server_context, sizeof(server_context) );
768 ret = wine_server_call( req );
769 self = reply->self;
770 }
771 SERVER_END_REQ;
772
773 if (ret == STATUS_PENDING)
774 {
775 for (i = 0; i < 100; i++)
776 {
777 SERVER_START_REQ( set_thread_context )
778 {
779 req->handle = wine_server_obj_handle( handle );
780 req->suspend = 0;
781 wine_server_add_data( req, &server_context, sizeof(server_context) );
782 ret = wine_server_call( req );
783 }
784 SERVER_END_REQ;
785 if (ret == STATUS_PENDING)
786 {
787 LARGE_INTEGER timeout;
788 timeout.QuadPart = -10000;
789 NtDelayExecution( FALSE, &timeout );
790 }
791 else break;
792 }
793 NtResumeThread( handle, &dummy );
794 if (ret == STATUS_PENDING) ret = STATUS_ACCESS_DENIED;
795 }
796
797 if (ret) return ret;
798 }
799
800 if (self) set_cpu_context( context );
801 return STATUS_SUCCESS;
802 }
803
804
805 /* convert CPU-specific flags to generic server flags */
806 static inline unsigned int get_server_context_flags( DWORD flags )
807 {
808 unsigned int ret = 0;
809
810 flags &= 0x3f; /* mask CPU id flags */
811 if (flags & CONTEXT_CONTROL) ret |= SERVER_CTX_CONTROL;
812 if (flags & CONTEXT_INTEGER) ret |= SERVER_CTX_INTEGER;
813 #ifdef CONTEXT_SEGMENTS
814 if (flags & CONTEXT_SEGMENTS) ret |= SERVER_CTX_SEGMENTS;
815 #endif
816 #ifdef CONTEXT_FLOATING_POINT
817 if (flags & CONTEXT_FLOATING_POINT) ret |= SERVER_CTX_FLOATING_POINT;
818 #endif
819 #ifdef CONTEXT_DEBUG_REGISTERS
820 if (flags & CONTEXT_DEBUG_REGISTERS) ret |= SERVER_CTX_DEBUG_REGISTERS;
821 #endif
822 #ifdef CONTEXT_EXTENDED_REGISTERS
823 if (flags & CONTEXT_EXTENDED_REGISTERS) ret |= SERVER_CTX_EXTENDED_REGISTERS;
824 #endif
825 return ret;
826 }
827
828 /***********************************************************************
829 * NtGetContextThread (NTDLL.@)
830 * ZwGetContextThread (NTDLL.@)
831 */
832 NTSTATUS WINAPI NtGetContextThread( HANDLE handle, CONTEXT *context )
833 {
834 NTSTATUS ret;
835 DWORD dummy, i;
836 DWORD needed_flags = context->ContextFlags;
837 BOOL self = (handle == GetCurrentThread());
838
839 /* on i386/amd64 debug registers always require a server call */
840 #ifdef __i386__
841 if (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386)) self = FALSE;
842 #elif defined(__x86_64__)
843 if (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_AMD64)) self = FALSE;
844 #endif
845
846 if (!self)
847 {
848 unsigned int server_flags = get_server_context_flags( context->ContextFlags );
849 context_t server_context;
850
851 SERVER_START_REQ( get_thread_context )
852 {
853 req->handle = wine_server_obj_handle( handle );
854 req->flags = server_flags;
855 req->suspend = 1;
856 wine_server_set_reply( req, &server_context, sizeof(server_context) );
857 ret = wine_server_call( req );
858 self = reply->self;
859 }
860 SERVER_END_REQ;
861
862 if (ret == STATUS_PENDING)
863 {
864 for (i = 0; i < 100; i++)
865 {
866 SERVER_START_REQ( get_thread_context )
867 {
868 req->handle = wine_server_obj_handle( handle );
869 req->flags = server_flags;
870 req->suspend = 0;
871 wine_server_set_reply( req, &server_context, sizeof(server_context) );
872 ret = wine_server_call( req );
873 }
874 SERVER_END_REQ;
875 if (ret == STATUS_PENDING)
876 {
877 LARGE_INTEGER timeout;
878 timeout.QuadPart = -10000;
879 NtDelayExecution( FALSE, &timeout );
880 }
881 else break;
882 }
883 NtResumeThread( handle, &dummy );
884 if (ret == STATUS_PENDING) ret = STATUS_ACCESS_DENIED;
885 }
886 if (!ret) ret = context_from_server( context, &server_context );
887 if (ret) return ret;
888 needed_flags &= ~context->ContextFlags;
889 }
890
891 if (self)
892 {
893 if (needed_flags)
894 {
895 CONTEXT ctx;
896 RtlCaptureContext( &ctx );
897 copy_context( context, &ctx, ctx.ContextFlags & needed_flags );
898 context->ContextFlags |= ctx.ContextFlags & needed_flags;
899 }
900 #ifdef __i386__
901 /* update the cached version of the debug registers */
902 if (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386))
903 {
904 ntdll_get_thread_data()->dr0 = context->Dr0;
905 ntdll_get_thread_data()->dr1 = context->Dr1;
906 ntdll_get_thread_data()->dr2 = context->Dr2;
907 ntdll_get_thread_data()->dr3 = context->Dr3;
908 ntdll_get_thread_data()->dr6 = context->Dr6;
909 ntdll_get_thread_data()->dr7 = context->Dr7;
910 }
911 #endif
912 }
913 return STATUS_SUCCESS;
914 }
915
916
917 /******************************************************************************
918 * NtQueryInformationThread (NTDLL.@)
919 * ZwQueryInformationThread (NTDLL.@)
920 */
921 NTSTATUS WINAPI NtQueryInformationThread( HANDLE handle, THREADINFOCLASS class,
922 void *data, ULONG length, ULONG *ret_len )
923 {
924 NTSTATUS status;
925
926 switch(class)
927 {
928 case ThreadBasicInformation:
929 {
930 THREAD_BASIC_INFORMATION info;
931 const ULONG_PTR affinity_mask = get_system_affinity_mask();
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 {
939 info.ExitStatus = reply->exit_code;
940 info.TebBaseAddress = wine_server_get_ptr( reply->teb );
941 info.ClientId.UniqueProcess = ULongToHandle(reply->pid);
942 info.ClientId.UniqueThread = ULongToHandle(reply->tid);
943 info.AffinityMask = reply->affinity & affinity_mask;
944 info.Priority = reply->priority;
945 info.BasePriority = reply->priority; /* FIXME */
946 }
947 }
948 SERVER_END_REQ;
949 if (status == STATUS_SUCCESS)
950 {
951 if (data) memcpy( data, &info, min( length, sizeof(info) ));
952 if (ret_len) *ret_len = min( length, sizeof(info) );
953 }
954 }
955 return status;
956 case ThreadAffinityMask:
957 {
958 const ULONG_PTR affinity_mask = get_system_affinity_mask();
959 ULONG_PTR affinity = 0;
960
961 SERVER_START_REQ( get_thread_info )
962 {
963 req->handle = wine_server_obj_handle( handle );
964 req->tid_in = 0;
965 if (!(status = wine_server_call( req )))
966 affinity = reply->affinity & affinity_mask;
967 }
968 SERVER_END_REQ;
969 if (status == STATUS_SUCCESS)
970 {
971 if (data) memcpy( data, &affinity, min( length, sizeof(affinity) ));
972 if (ret_len) *ret_len = min( length, sizeof(affinity) );
973 }
974 }
975 return status;
976 case ThreadTimes:
977 {
978 KERNEL_USER_TIMES kusrt;
979
980 SERVER_START_REQ( get_thread_times )
981 {
982 req->handle = wine_server_obj_handle( handle );
983 status = wine_server_call( req );
984 if (status == STATUS_SUCCESS)
985 {
986 kusrt.CreateTime.QuadPart = reply->creation_time;
987 kusrt.ExitTime.QuadPart = reply->exit_time;
988 }
989 }
990 SERVER_END_REQ;
991 if (status == STATUS_SUCCESS)
992 {
993 /* We call times(2) for kernel time or user time */
994 /* We can only (portably) do this for the current thread */
995 if (handle == GetCurrentThread())
996 {
997 struct tms time_buf;
998 long clocks_per_sec = sysconf(_SC_CLK_TCK);
999
1000 times(&time_buf);
1001 kusrt.KernelTime.QuadPart = (ULONGLONG)time_buf.tms_stime * 10000000 / clocks_per_sec;
1002 kusrt.UserTime.QuadPart = (ULONGLONG)time_buf.tms_utime * 10000000 / clocks_per_sec;
1003 }
1004 else
1005 {
1006 static BOOL reported = FALSE;
1007
1008 kusrt.KernelTime.QuadPart = 0;
1009 kusrt.UserTime.QuadPart = 0;
1010 if (reported)
1011 TRACE("Cannot get kerneltime or usertime of other threads\n");
1012 else
1013 {
1014 FIXME("Cannot get kerneltime or usertime of other threads\n");
1015 reported = TRUE;
1016 }
1017 }
1018 if (data) memcpy( data, &kusrt, min( length, sizeof(kusrt) ));
1019 if (ret_len) *ret_len = min( length, sizeof(kusrt) );
1020 }
1021 }
1022 return status;
1023 case ThreadDescriptorTableEntry:
1024 {
1025 #ifdef __i386__
1026 THREAD_DESCRIPTOR_INFORMATION* tdi = data;
1027 if (length < sizeof(*tdi))
1028 status = STATUS_INFO_LENGTH_MISMATCH;
1029 else if (!(tdi->Selector & 4)) /* GDT selector */
1030 {
1031 unsigned sel = LOWORD(tdi->Selector) & ~3; /* ignore RPL */
1032 status = STATUS_SUCCESS;
1033 if (!sel) /* null selector */
1034 memset( &tdi->Entry, 0, sizeof(tdi->Entry) );
1035 else
1036 {
1037 tdi->Entry.BaseLow = 0;
1038 tdi->Entry.HighWord.Bits.BaseMid = 0;
1039 tdi->Entry.HighWord.Bits.BaseHi = 0;
1040 tdi->Entry.LimitLow = 0xffff;
1041 tdi->Entry.HighWord.Bits.LimitHi = 0xf;
1042 tdi->Entry.HighWord.Bits.Dpl = 3;
1043 tdi->Entry.HighWord.Bits.Sys = 0;
1044 tdi->Entry.HighWord.Bits.Pres = 1;
1045 tdi->Entry.HighWord.Bits.Granularity = 1;
1046 tdi->Entry.HighWord.Bits.Default_Big = 1;
1047 tdi->Entry.HighWord.Bits.Type = 0x12;
1048 tdi->Entry.HighWord.Bits.Reserved_0 = 0;
1049 /* it has to be one of the system GDT selectors */
1050 if (sel != (wine_get_ds() & ~3) && sel != (wine_get_ss() & ~3))
1051 {
1052 if (sel == (wine_get_cs() & ~3))
1053 tdi->Entry.HighWord.Bits.Type |= 8; /* code segment */
1054 else if (sel == (ntdll_get_thread_data()->fs & ~3))
1055 {
1056 ULONG_PTR fs_base = (ULONG_PTR)NtCurrentTeb();
1057 tdi->Entry.BaseLow = fs_base & 0xffff;
1058 tdi->Entry.HighWord.Bits.BaseMid = (fs_base >> 16) & 0xff;
1059 tdi->Entry.HighWord.Bits.BaseHi = (fs_base >> 24) & 0xff;
1060 tdi->Entry.LimitLow = 0x0fff;
1061 tdi->Entry.HighWord.Bits.LimitHi = 0;
1062 tdi->Entry.HighWord.Bits.Granularity = 0;
1063 }
1064 else status = STATUS_ACCESS_DENIED;
1065 }
1066 }
1067 }
1068 else
1069 {
1070 SERVER_START_REQ( get_selector_entry )
1071 {
1072 req->handle = wine_server_obj_handle( handle );
1073 req->entry = LOWORD(tdi->Selector) >> 3;
1074 status = wine_server_call( req );
1075 if (!status)
1076 {
1077 if (!(reply->flags & WINE_LDT_FLAGS_ALLOCATED))
1078 status = STATUS_ACCESS_VIOLATION;
1079 else
1080 {
1081 wine_ldt_set_base ( &tdi->Entry, (void *)reply->base );
1082 wine_ldt_set_limit( &tdi->Entry, reply->limit );
1083 wine_ldt_set_flags( &tdi->Entry, reply->flags );
1084 }
1085 }
1086 }
1087 SERVER_END_REQ;
1088 }
1089 if (status == STATUS_SUCCESS && ret_len)
1090 /* yes, that's a bit strange, but it's the way it is */
1091 *ret_len = sizeof(LDT_ENTRY);
1092 #else
1093 status = STATUS_NOT_IMPLEMENTED;
1094 #endif
1095 return status;
1096 }
1097 case ThreadAmILastThread:
1098 {
1099 SERVER_START_REQ(get_thread_info)
1100 {
1101 req->handle = wine_server_obj_handle( handle );
1102 req->tid_in = 0;
1103 status = wine_server_call( req );
1104 if (status == STATUS_SUCCESS)
1105 {
1106 BOOLEAN last = reply->last;
1107 if (data) memcpy( data, &last, min( length, sizeof(last) ));
1108 if (ret_len) *ret_len = min( length, sizeof(last) );
1109 }
1110 }
1111 SERVER_END_REQ;
1112 return status;
1113 }
1114 case ThreadQuerySetWin32StartAddress:
1115 {
1116 SERVER_START_REQ( get_thread_info )
1117 {
1118 req->handle = wine_server_obj_handle( handle );
1119 req->tid_in = 0;
1120 status = wine_server_call( req );
1121 if (status == STATUS_SUCCESS)
1122 {
1123 PRTL_THREAD_START_ROUTINE entry = wine_server_get_ptr( reply->entry_point );
1124 if (data) memcpy( data, &entry, min( length, sizeof(entry) ) );
1125 if (ret_len) *ret_len = min( length, sizeof(entry) );
1126 }
1127 }
1128 SERVER_END_REQ;
1129 return status;
1130 }
1131 case ThreadGroupInformation:
1132 {
1133 const ULONG_PTR affinity_mask = get_system_affinity_mask();
1134 GROUP_AFFINITY affinity;
1135
1136 memset(&affinity, 0, sizeof(affinity));
1137 affinity.Group = 0; /* Wine only supports max 64 processors */
1138
1139 SERVER_START_REQ( get_thread_info )
1140 {
1141 req->handle = wine_server_obj_handle( handle );
1142 req->tid_in = 0;
1143 if (!(status = wine_server_call( req )))
1144 affinity.Mask = reply->affinity & affinity_mask;
1145 }
1146 SERVER_END_REQ;
1147 if (status == STATUS_SUCCESS)
1148 {
1149 if (data) memcpy( data, &affinity, min( length, sizeof(affinity) ));
1150 if (ret_len) *ret_len = min( length, sizeof(affinity) );
1151 }
1152 }
1153 return status;
1154 case ThreadPriority:
1155 case ThreadBasePriority:
1156 case ThreadImpersonationToken:
1157 case ThreadEnableAlignmentFaultFixup:
1158 case ThreadEventPair_Reusable:
1159 case ThreadZeroTlsCell:
1160 case ThreadPerformanceCount:
1161 case ThreadIdealProcessor:
1162 case ThreadPriorityBoost:
1163 case ThreadSetTlsArrayAddress:
1164 case ThreadIsIoPending:
1165 default:
1166 FIXME( "info class %d not supported yet\n", class );
1167 return STATUS_NOT_IMPLEMENTED;
1168 }
1169 }
1170
1171
1172 /******************************************************************************
1173 * NtSetInformationThread (NTDLL.@)
1174 * ZwSetInformationThread (NTDLL.@)
1175 */
1176 NTSTATUS WINAPI NtSetInformationThread( HANDLE handle, THREADINFOCLASS class,
1177 LPCVOID data, ULONG length )
1178 {
1179 NTSTATUS status;
1180 switch(class)
1181 {
1182 case ThreadZeroTlsCell:
1183 if (handle == GetCurrentThread())
1184 {
1185 LIST_ENTRY *entry;
1186 DWORD index;
1187
1188 if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
1189 index = *(const DWORD *)data;
1190 if (index < TLS_MINIMUM_AVAILABLE)
1191 {
1192 RtlAcquirePebLock();
1193 for (entry = tls_links.Flink; entry != &tls_links; entry = entry->Flink)
1194 {
1195 TEB *teb = CONTAINING_RECORD(entry, TEB, TlsLinks);
1196 teb->TlsSlots[index] = 0;
1197 }
1198 RtlReleasePebLock();
1199 }
1200 else
1201 {
1202 index -= TLS_MINIMUM_AVAILABLE;
1203 if (index >= 8 * sizeof(NtCurrentTeb()->Peb->TlsExpansionBitmapBits))
1204 return STATUS_INVALID_PARAMETER;
1205 RtlAcquirePebLock();
1206 for (entry = tls_links.Flink; entry != &tls_links; entry = entry->Flink)
1207 {
1208 TEB *teb = CONTAINING_RECORD(entry, TEB, TlsLinks);
1209 if (teb->TlsExpansionSlots) teb->TlsExpansionSlots[index] = 0;
1210 }
1211 RtlReleasePebLock();
1212 }
1213 return STATUS_SUCCESS;
1214 }
1215 FIXME( "ZeroTlsCell not supported on other threads\n" );
1216 return STATUS_NOT_IMPLEMENTED;
1217
1218 case ThreadImpersonationToken:
1219 {
1220 const HANDLE *phToken = data;
1221 if (length != sizeof(HANDLE)) return STATUS_INVALID_PARAMETER;
1222 TRACE("Setting ThreadImpersonationToken handle to %p\n", *phToken );
1223 SERVER_START_REQ( set_thread_info )
1224 {
1225 req->handle = wine_server_obj_handle( handle );
1226 req->token = wine_server_obj_handle( *phToken );
1227 req->mask = SET_THREAD_INFO_TOKEN;
1228 status = wine_server_call( req );
1229 }
1230 SERVER_END_REQ;
1231 }
1232 return status;
1233 case ThreadBasePriority:
1234 {
1235 const DWORD *pprio = data;
1236 if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
1237 SERVER_START_REQ( set_thread_info )
1238 {
1239 req->handle = wine_server_obj_handle( handle );
1240 req->priority = *pprio;
1241 req->mask = SET_THREAD_INFO_PRIORITY;
1242 status = wine_server_call( req );
1243 }
1244 SERVER_END_REQ;
1245 }
1246 return status;
1247 case ThreadAffinityMask:
1248 {
1249 const ULONG_PTR affinity_mask = get_system_affinity_mask();
1250 ULONG_PTR req_aff;
1251
1252 if (length != sizeof(ULONG_PTR)) return STATUS_INVALID_PARAMETER;
1253 req_aff = *(const ULONG_PTR *)data;
1254 if ((ULONG)req_aff == ~0u) req_aff = affinity_mask;
1255 else if (req_aff & ~affinity_mask) return STATUS_INVALID_PARAMETER;
1256 else if (!req_aff) return STATUS_INVALID_PARAMETER;
1257 SERVER_START_REQ( set_thread_info )
1258 {
1259 req->handle = wine_server_obj_handle( handle );
1260 req->affinity = req_aff;
1261 req->mask = SET_THREAD_INFO_AFFINITY;
1262 status = wine_server_call( req );
1263 }
1264 SERVER_END_REQ;
1265 }
1266 return status;
1267 case ThreadHideFromDebugger:
1268 /* pretend the call succeeded to satisfy some code protectors */
1269 return STATUS_SUCCESS;
1270 case ThreadQuerySetWin32StartAddress:
1271 {
1272 const PRTL_THREAD_START_ROUTINE *entry = data;
1273 if (length != sizeof(PRTL_THREAD_START_ROUTINE)) return STATUS_INVALID_PARAMETER;
1274 SERVER_START_REQ( set_thread_info )
1275 {
1276 req->handle = wine_server_obj_handle( handle );
1277 req->mask = SET_THREAD_INFO_ENTRYPOINT;
1278 req->entry_point = wine_server_client_ptr( *entry );
1279 status = wine_server_call( req );
1280 }
1281 SERVER_END_REQ;
1282 }
1283 return status;
1284 case ThreadGroupInformation:
1285 {
1286 const ULONG_PTR affinity_mask = get_system_affinity_mask();
1287 const GROUP_AFFINITY *req_aff;
1288
1289 if (length != sizeof(*req_aff)) return STATUS_INVALID_PARAMETER;
1290 if (!data) return STATUS_ACCESS_VIOLATION;
1291 req_aff = data;
1292
1293 /* On Windows the request fails if the reserved fields are set */
1294 if (req_aff->Reserved[0] || req_aff->Reserved[1] || req_aff->Reserved[2])
1295 return STATUS_INVALID_PARAMETER;
1296
1297 /* Wine only supports max 64 processors */
1298 if (req_aff->Group) return STATUS_INVALID_PARAMETER;
1299 if (req_aff->Mask & ~affinity_mask) return STATUS_INVALID_PARAMETER;
1300 if (!req_aff->Mask) return STATUS_INVALID_PARAMETER;
1301 SERVER_START_REQ( set_thread_info )
1302 {
1303 req->handle = wine_server_obj_handle( handle );
1304 req->affinity = req_aff->Mask;
1305 req->mask = SET_THREAD_INFO_AFFINITY;
1306 status = wine_server_call( req );
1307 }
1308 SERVER_END_REQ;
1309 }
1310 return status;
1311 case ThreadBasicInformation:
1312 case ThreadTimes:
1313 case ThreadPriority:
1314 case ThreadDescriptorTableEntry:
1315 case ThreadEnableAlignmentFaultFixup:
1316 case ThreadEventPair_Reusable:
1317 case ThreadPerformanceCount:
1318 case ThreadAmILastThread:
1319 case ThreadIdealProcessor:
1320 case ThreadPriorityBoost:
1321 case ThreadSetTlsArrayAddress:
1322 case ThreadIsIoPending:
1323 default:
1324 FIXME( "info class %d not supported yet\n", class );
1325 return STATUS_NOT_IMPLEMENTED;
1326 }
1327 }
1328
1329 /******************************************************************************
1330 * NtGetCurrentProcessorNumber (NTDLL.@)
1331 *
1332 * Return the processor, on which the thread is running
1333 *
1334 */
1335 ULONG WINAPI NtGetCurrentProcessorNumber(void)
1336 {
1337 ULONG processor;
1338
1339 #if defined(__linux__) && defined(__NR_getcpu)
1340 int res = syscall(__NR_getcpu, &processor, NULL, NULL);
1341 if (res != -1) return processor;
1342 #endif
1343
1344 if (NtCurrentTeb()->Peb->NumberOfProcessors > 1)
1345 {
1346 ULONG_PTR thread_mask, processor_mask;
1347 NTSTATUS status;
1348
1349 status = NtQueryInformationThread(GetCurrentThread(), ThreadAffinityMask,
1350 &thread_mask, sizeof(thread_mask), NULL);
1351 if (status == STATUS_SUCCESS)
1352 {
1353 for (processor = 0; processor < NtCurrentTeb()->Peb->NumberOfProcessors; processor++)
1354 {
1355 processor_mask = (1 << processor);
1356 if (thread_mask & processor_mask)
1357 {
1358 if (thread_mask != processor_mask)
1359 FIXME("need multicore support (%d processors)\n",
1360 NtCurrentTeb()->Peb->NumberOfProcessors);
1361 return processor;
1362 }
1363 }
1364 }
1365 }
1366
1367 /* fallback to the first processor */
1368 return 0;
1369 }
Windows API implementation