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ntdll: Add a platform-specific helper for starting a thread.
[wine.git] / dlls / ntdll / thread.c
blob18d0fe1b1c47b7a27a0132d9a5703130b542c55a
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 <limits.h>
27 #include <sys/types.h>
28 #ifdef HAVE_SYS_MMAN_H
29 #include <sys/mman.h>
30 #endif
31 #ifdef HAVE_SYS_TIMES_H
32 #include <sys/times.h>
33 #endif
34 #ifdef HAVE_SYS_SYSCALL_H
35 #include <sys/syscall.h>
36 #endif
37
38 #define NONAMELESSUNION
39 #include "ntstatus.h"
40 #define WIN32_NO_STATUS
41 #include "winternl.h"
42 #include "wine/library.h"
43 #include "wine/server.h"
44 #include "wine/debug.h"
45 #include "ntdll_misc.h"
46 #include "ddk/wdm.h"
47 #include "wine/exception.h"
48
49 WINE_DEFAULT_DEBUG_CHANNEL(thread);
50
51 struct _KUSER_SHARED_DATA *user_shared_data = NULL;
52
53 PUNHANDLED_EXCEPTION_FILTER unhandled_exception_filter = NULL;
54 LPTHREAD_START_ROUTINE kernel32_start_process = NULL;
55
56 /* info passed to a starting thread */
57 struct startup_info
58 {
59 TEB *teb;
60 PRTL_THREAD_START_ROUTINE entry_point;
61 void *entry_arg;
62 };
63
64 static PEB *peb;
65 static PEB_LDR_DATA ldr;
66 static RTL_USER_PROCESS_PARAMETERS params; /* default parameters if no parent */
67 static WCHAR current_dir[MAX_NT_PATH_LENGTH];
68 static RTL_BITMAP tls_bitmap;
69 static RTL_BITMAP tls_expansion_bitmap;
70 static RTL_BITMAP fls_bitmap;
71 static int nb_threads = 1;
72
73 static RTL_CRITICAL_SECTION peb_lock;
74 static RTL_CRITICAL_SECTION_DEBUG critsect_debug =
75 {
76 0, 0, &peb_lock,
77 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
78 0, 0, { (DWORD_PTR)(__FILE__ ": peb_lock") }
79 };
80 static RTL_CRITICAL_SECTION peb_lock = { &critsect_debug, -1, 0, 0, 0, 0 };
81
82 /***********************************************************************
83 * get_unicode_string
84 *
85 * Copy a unicode string from the startup info.
86 */
87 static inline void get_unicode_string( UNICODE_STRING *str, WCHAR **src, WCHAR **dst, UINT len )
88 {
89 str->Buffer = *dst;
90 str->Length = len;
91 str->MaximumLength = len + sizeof(WCHAR);
92 memcpy( str->Buffer, *src, len );
93 str->Buffer[len / sizeof(WCHAR)] = 0;
94 *src += len / sizeof(WCHAR);
95 *dst += len / sizeof(WCHAR) + 1;
96 }
97
98 /***********************************************************************
99 * init_user_process_params
100 *
101 * Fill the RTL_USER_PROCESS_PARAMETERS structure from the server.
102 */
103 static NTSTATUS init_user_process_params( SIZE_T data_size, HANDLE *exe_file )
104 {
105 void *ptr;
106 WCHAR *src, *dst;
107 SIZE_T info_size, env_size, size, alloc_size;
108 NTSTATUS status;
109 startup_info_t *info;
110 RTL_USER_PROCESS_PARAMETERS *params = NULL;
111
112 if (!(info = RtlAllocateHeap( GetProcessHeap(), 0, data_size )))
113 return STATUS_NO_MEMORY;
114
115 SERVER_START_REQ( get_startup_info )
116 {
117 wine_server_set_reply( req, info, data_size );
118 if (!(status = wine_server_call( req )))
119 {
120 data_size = wine_server_reply_size( reply );
121 info_size = reply->info_size;
122 env_size = data_size - info_size;
123 *exe_file = wine_server_ptr_handle( reply->exe_file );
124 }
125 }
126 SERVER_END_REQ;
127 if (status != STATUS_SUCCESS) goto done;
128
129 size = sizeof(*params);
130 size += MAX_NT_PATH_LENGTH * sizeof(WCHAR);
131 size += info->dllpath_len + sizeof(WCHAR);
132 size += info->imagepath_len + sizeof(WCHAR);
133 size += info->cmdline_len + sizeof(WCHAR);
134 size += info->title_len + sizeof(WCHAR);
135 size += info->desktop_len + sizeof(WCHAR);
136 size += info->shellinfo_len + sizeof(WCHAR);
137 size += info->runtime_len + sizeof(WCHAR);
138
139 alloc_size = size;
140 status = NtAllocateVirtualMemory( NtCurrentProcess(), (void **)&params, 0, &alloc_size,
141 MEM_COMMIT, PAGE_READWRITE );
142 if (status != STATUS_SUCCESS) goto done;
143
144 NtCurrentTeb()->Peb->ProcessParameters = params;
145 params->AllocationSize = alloc_size;
146 params->Size = size;
147 params->Flags = PROCESS_PARAMS_FLAG_NORMALIZED;
148 params->DebugFlags = info->debug_flags;
149 params->ConsoleHandle = wine_server_ptr_handle( info->console );
150 params->ConsoleFlags = info->console_flags;
151 params->hStdInput = wine_server_ptr_handle( info->hstdin );
152 params->hStdOutput = wine_server_ptr_handle( info->hstdout );
153 params->hStdError = wine_server_ptr_handle( info->hstderr );
154 params->dwX = info->x;
155 params->dwY = info->y;
156 params->dwXSize = info->xsize;
157 params->dwYSize = info->ysize;
158 params->dwXCountChars = info->xchars;
159 params->dwYCountChars = info->ychars;
160 params->dwFillAttribute = info->attribute;
161 params->dwFlags = info->flags;
162 params->wShowWindow = info->show;
163
164 src = (WCHAR *)(info + 1);
165 dst = (WCHAR *)(params + 1);
166
167 /* current directory needs more space */
168 get_unicode_string( &params->CurrentDirectory.DosPath, &src, &dst, info->curdir_len );
169 params->CurrentDirectory.DosPath.MaximumLength = MAX_NT_PATH_LENGTH * sizeof(WCHAR);
170 dst = (WCHAR *)(params + 1) + MAX_NT_PATH_LENGTH;
171
172 get_unicode_string( &params->DllPath, &src, &dst, info->dllpath_len );
173 get_unicode_string( &params->ImagePathName, &src, &dst, info->imagepath_len );
174 get_unicode_string( &params->CommandLine, &src, &dst, info->cmdline_len );
175 get_unicode_string( &params->WindowTitle, &src, &dst, info->title_len );
176 get_unicode_string( &params->Desktop, &src, &dst, info->desktop_len );
177 get_unicode_string( &params->ShellInfo, &src, &dst, info->shellinfo_len );
178
179 /* runtime info isn't a real string */
180 params->RuntimeInfo.Buffer = dst;
181 params->RuntimeInfo.Length = params->RuntimeInfo.MaximumLength = info->runtime_len;
182 memcpy( dst, src, info->runtime_len );
183
184 /* environment needs to be a separate memory block */
185 ptr = NULL;
186 alloc_size = max( 1, env_size );
187 status = NtAllocateVirtualMemory( NtCurrentProcess(), &ptr, 0, &alloc_size,
188 MEM_COMMIT, PAGE_READWRITE );
189 if (status != STATUS_SUCCESS) goto done;
190 memcpy( ptr, (char *)info + info_size, env_size );
191 params->Environment = ptr;
192
193 done:
194 RtlFreeHeap( GetProcessHeap(), 0, info );
195 return status;
196 }
197
198 #ifdef __linux__
199
200 #ifdef HAVE_ELF_H
201 # include <elf.h>
202 #endif
203 #ifdef HAVE_LINK_H
204 # include <link.h>
205 #endif
206 #ifdef HAVE_SYS_AUXV_H
207 # include <sys/auxv.h>
208 #endif
209 #ifndef HAVE_GETAUXVAL
210 static unsigned long getauxval( unsigned long id )
211 {
212 extern char **__wine_main_environ;
213 char **ptr = __wine_main_environ;
214 ElfW(auxv_t) *auxv;
215
216 while (*ptr) ptr++;
217 while (!*ptr) ptr++;
218 for (auxv = (ElfW(auxv_t) *)ptr; auxv->a_type; auxv++)
219 if (auxv->a_type == id) return auxv->a_un.a_val;
220 return 0;
221 }
222 #endif
223
224 static ULONG_PTR get_image_addr(void)
225 {
226 ULONG_PTR size, num, phdr_addr = getauxval( AT_PHDR );
227 ElfW(Phdr) *phdr;
228
229 if (!phdr_addr) return 0;
230 phdr = (ElfW(Phdr) *)phdr_addr;
231 size = getauxval( AT_PHENT );
232 num = getauxval( AT_PHNUM );
233 while (num--)
234 {
235 if (phdr->p_type == PT_PHDR) return phdr_addr - phdr->p_offset;
236 phdr = (ElfW(Phdr) *)((char *)phdr + size);
237 }
238 return 0;
239 }
240
241 #elif defined(__APPLE__)
242 #include <mach/mach.h>
243 #include <mach/mach_error.h>
244
245 static ULONG_PTR get_image_addr(void)
246 {
247 ULONG_PTR ret = 0;
248 #ifdef TASK_DYLD_INFO
249 struct task_dyld_info dyld_info;
250 mach_msg_type_number_t size = TASK_DYLD_INFO_COUNT;
251 if (task_info(mach_task_self(), TASK_DYLD_INFO, (task_info_t)&dyld_info, &size) == KERN_SUCCESS)
252 ret = dyld_info.all_image_info_addr;
253 #endif
254 return ret;
255 }
256
257 #else
258 static ULONG_PTR get_image_addr(void)
259 {
260 return 0;
261 }
262 #endif
263
264 /***********************************************************************
265 * thread_init
266 *
267 * Setup the initial thread.
268 *
269 * NOTES: The first allocated TEB on NT is at 0x7ffde000.
270 */
271 HANDLE thread_init(void)
272 {
273 TEB *teb;
274 void *addr;
275 SIZE_T size, info_size;
276 HANDLE exe_file = 0;
277 LARGE_INTEGER now;
278 NTSTATUS status;
279 struct ntdll_thread_data *thread_data;
280 static struct debug_info debug_info; /* debug info for initial thread */
281
282 virtual_init();
283
284 /* reserve space for shared user data */
285
286 addr = (void *)0x7ffe0000;
287 size = 0x10000;
288 status = NtAllocateVirtualMemory( NtCurrentProcess(), &addr, 0, &size,
289 MEM_RESERVE|MEM_COMMIT, PAGE_READWRITE );
290 if (status)
291 {
292 MESSAGE( "wine: failed to map the shared user data: %08x\n", status );
293 exit(1);
294 }
295 user_shared_data = addr;
296
297 /* allocate and initialize the PEB */
298
299 addr = NULL;
300 size = sizeof(*peb);
301 NtAllocateVirtualMemory( NtCurrentProcess(), &addr, 1, &size,
302 MEM_COMMIT | MEM_TOP_DOWN, PAGE_READWRITE );
303 peb = addr;
304
305 peb->FastPebLock = &peb_lock;
306 peb->ProcessParameters = &params;
307 peb->TlsBitmap = &tls_bitmap;
308 peb->TlsExpansionBitmap = &tls_expansion_bitmap;
309 peb->FlsBitmap = &fls_bitmap;
310 peb->LdrData = &ldr;
311 peb->OSMajorVersion = 5;
312 peb->OSMinorVersion = 1;
313 peb->OSBuildNumber = 0xA28;
314 peb->OSPlatformId = VER_PLATFORM_WIN32_NT;
315 params.CurrentDirectory.DosPath.Buffer = current_dir;
316 params.CurrentDirectory.DosPath.MaximumLength = sizeof(current_dir);
317 params.wShowWindow = 1; /* SW_SHOWNORMAL */
318 ldr.Length = sizeof(ldr);
319 ldr.Initialized = TRUE;
320 RtlInitializeBitMap( &tls_bitmap, peb->TlsBitmapBits, sizeof(peb->TlsBitmapBits) * 8 );
321 RtlInitializeBitMap( &tls_expansion_bitmap, peb->TlsExpansionBitmapBits,
322 sizeof(peb->TlsExpansionBitmapBits) * 8 );
323 RtlInitializeBitMap( &fls_bitmap, peb->FlsBitmapBits, sizeof(peb->FlsBitmapBits) * 8 );
324 RtlSetBits( peb->TlsBitmap, 0, 1 ); /* TLS index 0 is reserved and should be initialized to NULL. */
325 RtlSetBits( peb->FlsBitmap, 0, 1 );
326 InitializeListHead( &peb->FlsListHead );
327 InitializeListHead( &ldr.InLoadOrderModuleList );
328 InitializeListHead( &ldr.InMemoryOrderModuleList );
329 InitializeListHead( &ldr.InInitializationOrderModuleList );
330 *(ULONG_PTR *)peb->Reserved = get_image_addr();
331
332 /*
333 * Starting with Vista, the first user to log on has session id 1.
334 * Session id 0 is for processes that don't interact with the user (like services).
335 */
336 peb->SessionId = 1;
337
338 /* allocate and initialize the initial TEB */
339
340 signal_alloc_thread( &teb );
341 teb->Peb = peb;
342 teb->Tib.StackBase = (void *)~0UL;
343 teb->StaticUnicodeString.Buffer = teb->StaticUnicodeBuffer;
344 teb->StaticUnicodeString.MaximumLength = sizeof(teb->StaticUnicodeBuffer);
345
346 thread_data = (struct ntdll_thread_data *)&teb->GdiTebBatch;
347 thread_data->request_fd = -1;
348 thread_data->reply_fd = -1;
349 thread_data->wait_fd[0] = -1;
350 thread_data->wait_fd[1] = -1;
351 thread_data->debug_info = &debug_info;
352
353 signal_init_thread( teb );
354 virtual_init_threading();
355
356 debug_info.str_pos = debug_info.strings;
357 debug_info.out_pos = debug_info.output;
358 debug_init();
359
360 /* setup the server connection */
361 server_init_process();
362 info_size = server_init_thread( peb );
363
364 /* create the process heap */
365 if (!(peb->ProcessHeap = RtlCreateHeap( HEAP_GROWABLE, NULL, 0, 0, NULL, NULL )))
366 {
367 MESSAGE( "wine: failed to create the process heap\n" );
368 exit(1);
369 }
370
371 /* allocate user parameters */
372 if (info_size)
373 {
374 init_user_process_params( info_size, &exe_file );
375 }
376 else
377 {
378 if (isatty(0) || isatty(1) || isatty(2))
379 params.ConsoleHandle = (HANDLE)2; /* see kernel32/kernel_private.h */
380 if (!isatty(0))
381 wine_server_fd_to_handle( 0, GENERIC_READ|SYNCHRONIZE, OBJ_INHERIT, &params.hStdInput );
382 if (!isatty(1))
383 wine_server_fd_to_handle( 1, GENERIC_WRITE|SYNCHRONIZE, OBJ_INHERIT, &params.hStdOutput );
384 if (!isatty(2))
385 wine_server_fd_to_handle( 2, GENERIC_WRITE|SYNCHRONIZE, OBJ_INHERIT, &params.hStdError );
386 }
387
388 /* initialize time values in user_shared_data */
389 NtQuerySystemTime( &now );
390 user_shared_data->SystemTime.LowPart = now.u.LowPart;
391 user_shared_data->SystemTime.High1Time = user_shared_data->SystemTime.High2Time = now.u.HighPart;
392 user_shared_data->u.TickCountQuad = (now.QuadPart - server_start_time) / 10000;
393 user_shared_data->u.TickCount.High2Time = user_shared_data->u.TickCount.High1Time;
394 user_shared_data->TickCountLowDeprecated = user_shared_data->u.TickCount.LowPart;
395 user_shared_data->TickCountMultiplier = 1 << 24;
396
397 fill_cpu_info();
398
399 NtCreateKeyedEvent( &keyed_event, GENERIC_READ | GENERIC_WRITE, NULL, 0 );
400
401 return exe_file;
402 }
403
404
405 /***********************************************************************
406 * free_thread_data
407 */
408 static void free_thread_data( TEB *teb )
409 {
410 struct ntdll_thread_data *thread_data = (struct ntdll_thread_data *)&teb->GdiTebBatch;
411 SIZE_T size;
412
413 if (teb->DeallocationStack)
414 {
415 size = 0;
416 NtFreeVirtualMemory( GetCurrentProcess(), &teb->DeallocationStack, &size, MEM_RELEASE );
417 }
418 if (thread_data->start_stack)
419 {
420 size = 0;
421 NtFreeVirtualMemory( GetCurrentProcess(), &thread_data->start_stack, &size, MEM_RELEASE );
422 }
423 signal_free_thread( teb );
424 }
425
426
427 /***********************************************************************
428 * terminate_thread
429 */
430 void terminate_thread( int status )
431 {
432 pthread_sigmask( SIG_BLOCK, &server_block_set, NULL );
433 if (interlocked_xchg_add( &nb_threads, -1 ) <= 1) _exit( status );
434
435 close( ntdll_get_thread_data()->wait_fd[0] );
436 close( ntdll_get_thread_data()->wait_fd[1] );
437 close( ntdll_get_thread_data()->reply_fd );
438 close( ntdll_get_thread_data()->request_fd );
439 pthread_exit( UIntToPtr(status) );
440 }
441
442
443 /***********************************************************************
444 * exit_thread
445 */
446 void exit_thread( int status )
447 {
448 static void *prev_teb;
449 TEB *teb;
450
451 if (status) /* send the exit code to the server (0 is already the default) */
452 {
453 SERVER_START_REQ( terminate_thread )
454 {
455 req->handle = wine_server_obj_handle( GetCurrentThread() );
456 req->exit_code = status;
457 wine_server_call( req );
458 }
459 SERVER_END_REQ;
460 }
461
462 if (interlocked_xchg_add( &nb_threads, -1 ) <= 1)
463 {
464 LdrShutdownProcess();
465 exit( status );
466 }
467
468 LdrShutdownThread();
469 RtlFreeThreadActivationContextStack();
470
471 pthread_sigmask( SIG_BLOCK, &server_block_set, NULL );
472
473 if ((teb = interlocked_xchg_ptr( &prev_teb, NtCurrentTeb() )))
474 {
475 struct ntdll_thread_data *thread_data = (struct ntdll_thread_data *)&teb->GdiTebBatch;
476
477 if (thread_data->pthread_id)
478 {
479 pthread_join( thread_data->pthread_id, NULL );
480 free_thread_data( teb );
481 }
482 }
483
484 close( ntdll_get_thread_data()->wait_fd[0] );
485 close( ntdll_get_thread_data()->wait_fd[1] );
486 close( ntdll_get_thread_data()->reply_fd );
487 close( ntdll_get_thread_data()->request_fd );
488 pthread_exit( UIntToPtr(status) );
489 }
490
491
492 /***********************************************************************
493 * start_thread
494 *
495 * Startup routine for a newly created thread.
496 */
497 static void start_thread( struct startup_info *info )
498 {
499 NTSTATUS status;
500 TEB *teb = info->teb;
501 struct ntdll_thread_data *thread_data = (struct ntdll_thread_data *)&teb->GdiTebBatch;
502 struct debug_info debug_info;
503
504 debug_info.str_pos = debug_info.strings;
505 debug_info.out_pos = debug_info.output;
506 thread_data->debug_info = &debug_info;
507 thread_data->pthread_id = pthread_self();
508
509 signal_init_thread( teb );
510 server_init_thread( info->entry_point );
511 status = signal_start_thread( (LPTHREAD_START_ROUTINE)info->entry_point, info->entry_arg );
512 NtTerminateThread( GetCurrentThread(), status );
513 }
514
515
516 /***********************************************************************
517 * RtlCreateUserThread (NTDLL.@)
518 */
519 NTSTATUS WINAPI RtlCreateUserThread( HANDLE process, const SECURITY_DESCRIPTOR *descr,
520 BOOLEAN suspended, PVOID stack_addr,
521 SIZE_T stack_reserve, SIZE_T stack_commit,
522 PRTL_THREAD_START_ROUTINE start, void *param,
523 HANDLE *handle_ptr, CLIENT_ID *id )
524 {
525 sigset_t sigset;
526 pthread_t pthread_id;
527 pthread_attr_t attr;
528 struct ntdll_thread_data *thread_data;
529 struct startup_info *info;
530 HANDLE handle = 0, actctx = 0;
531 TEB *teb = NULL;
532 DWORD tid = 0;
533 int request_pipe[2];
534 NTSTATUS status;
535
536 if (process != NtCurrentProcess())
537 {
538 apc_call_t call;
539 apc_result_t result;
540
541 memset( &call, 0, sizeof(call) );
542
543 call.create_thread.type = APC_CREATE_THREAD;
544 call.create_thread.func = wine_server_client_ptr( start );
545 call.create_thread.arg = wine_server_client_ptr( param );
546 call.create_thread.reserve = stack_reserve;
547 call.create_thread.commit = stack_commit;
548 call.create_thread.suspend = suspended;
549 status = server_queue_process_apc( process, &call, &result );
550 if (status != STATUS_SUCCESS) return status;
551
552 if (result.create_thread.status == STATUS_SUCCESS)
553 {
554 if (id) id->UniqueThread = ULongToHandle(result.create_thread.tid);
555 if (handle_ptr) *handle_ptr = wine_server_ptr_handle( result.create_thread.handle );
556 else NtClose( wine_server_ptr_handle( result.create_thread.handle ));
557 }
558 return result.create_thread.status;
559 }
560
561 if (server_pipe( request_pipe ) == -1) return STATUS_TOO_MANY_OPENED_FILES;
562 wine_server_send_fd( request_pipe[0] );
563
564 SERVER_START_REQ( new_thread )
565 {
566 req->access = THREAD_ALL_ACCESS;
567 req->attributes = 0; /* FIXME */
568 req->suspend = suspended;
569 req->request_fd = request_pipe[0];
570 if (!(status = wine_server_call( req )))
571 {
572 handle = wine_server_ptr_handle( reply->handle );
573 tid = reply->tid;
574 }
575 close( request_pipe[0] );
576 }
577 SERVER_END_REQ;
578
579 if (status)
580 {
581 close( request_pipe[1] );
582 return status;
583 }
584
585 pthread_sigmask( SIG_BLOCK, &server_block_set, &sigset );
586
587 if ((status = signal_alloc_thread( &teb ))) goto error;
588
589 teb->Peb = NtCurrentTeb()->Peb;
590 teb->ClientId.UniqueProcess = ULongToHandle(GetCurrentProcessId());
591 teb->ClientId.UniqueThread = ULongToHandle(tid);
592 teb->StaticUnicodeString.Buffer = teb->StaticUnicodeBuffer;
593 teb->StaticUnicodeString.MaximumLength = sizeof(teb->StaticUnicodeBuffer);
594
595 /* create default activation context frame for new thread */
596 RtlGetActiveActivationContext(&actctx);
597 if (actctx)
598 {
599 RTL_ACTIVATION_CONTEXT_STACK_FRAME *frame;
600
601 frame = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(*frame));
602 frame->Previous = NULL;
603 frame->ActivationContext = actctx;
604 frame->Flags = 0;
605 teb->ActivationContextStack.ActiveFrame = frame;
606 }
607
608 info = (struct startup_info *)(teb + 1);
609 info->teb = teb;
610 info->entry_point = start;
611 info->entry_arg = param;
612
613 if ((status = virtual_alloc_thread_stack( teb, stack_reserve, stack_commit, PTHREAD_STACK_MIN )))
614 goto error;
615
616 thread_data = (struct ntdll_thread_data *)&teb->GdiTebBatch;
617 thread_data->request_fd = request_pipe[1];
618 thread_data->reply_fd = -1;
619 thread_data->wait_fd[0] = -1;
620 thread_data->wait_fd[1] = -1;
621 thread_data->start_stack = (char *)teb->Tib.StackBase;
622
623 pthread_attr_init( &attr );
624 pthread_attr_setstack( &attr, teb->DeallocationStack,
625 (char *)teb->Tib.StackBase + PTHREAD_STACK_MIN - (char *)teb->DeallocationStack );
626 pthread_attr_setscope( &attr, PTHREAD_SCOPE_SYSTEM ); /* force creating a kernel thread */
627 interlocked_xchg_add( &nb_threads, 1 );
628 if (pthread_create( &pthread_id, &attr, (void * (*)(void *))start_thread, info ))
629 {
630 interlocked_xchg_add( &nb_threads, -1 );
631 pthread_attr_destroy( &attr );
632 status = STATUS_NO_MEMORY;
633 goto error;
634 }
635 pthread_attr_destroy( &attr );
636 pthread_sigmask( SIG_SETMASK, &sigset, NULL );
637
638 if (id) id->UniqueThread = ULongToHandle(tid);
639 if (handle_ptr) *handle_ptr = handle;
640 else NtClose( handle );
641
642 return STATUS_SUCCESS;
643
644 error:
645 if (teb) free_thread_data( teb );
646 if (handle) NtClose( handle );
647 pthread_sigmask( SIG_SETMASK, &sigset, NULL );
648 close( request_pipe[1] );
649 return status;
650 }
651
652
653 /******************************************************************************
654 * RtlGetNtGlobalFlags (NTDLL.@)
655 */
656 ULONG WINAPI RtlGetNtGlobalFlags(void)
657 {
658 if (!peb) return 0; /* init not done yet */
659 return peb->NtGlobalFlag;
660 }
661
662
663 /***********************************************************************
664 * NtOpenThread (NTDLL.@)
665 * ZwOpenThread (NTDLL.@)
666 */
667 NTSTATUS WINAPI NtOpenThread( HANDLE *handle, ACCESS_MASK access,
668 const OBJECT_ATTRIBUTES *attr, const CLIENT_ID *id )
669 {
670 NTSTATUS ret;
671
672 SERVER_START_REQ( open_thread )
673 {
674 req->tid = HandleToULong(id->UniqueThread);
675 req->access = access;
676 req->attributes = attr ? attr->Attributes : 0;
677 ret = wine_server_call( req );
678 *handle = wine_server_ptr_handle( reply->handle );
679 }
680 SERVER_END_REQ;
681 return ret;
682 }
683
684
685 /******************************************************************************
686 * NtSuspendThread (NTDLL.@)
687 * ZwSuspendThread (NTDLL.@)
688 */
689 NTSTATUS WINAPI NtSuspendThread( HANDLE handle, PULONG count )
690 {
691 NTSTATUS ret;
692
693 SERVER_START_REQ( suspend_thread )
694 {
695 req->handle = wine_server_obj_handle( handle );
696 if (!(ret = wine_server_call( req )))
697 {
698 if (count) *count = reply->count;
699 }
700 }
701 SERVER_END_REQ;
702 return ret;
703 }
704
705
706 /******************************************************************************
707 * NtResumeThread (NTDLL.@)
708 * ZwResumeThread (NTDLL.@)
709 */
710 NTSTATUS WINAPI NtResumeThread( HANDLE handle, PULONG count )
711 {
712 NTSTATUS ret;
713
714 SERVER_START_REQ( resume_thread )
715 {
716 req->handle = wine_server_obj_handle( handle );
717 if (!(ret = wine_server_call( req )))
718 {
719 if (count) *count = reply->count;
720 }
721 }
722 SERVER_END_REQ;
723 return ret;
724 }
725
726
727 /******************************************************************************
728 * NtAlertResumeThread (NTDLL.@)
729 * ZwAlertResumeThread (NTDLL.@)
730 */
731 NTSTATUS WINAPI NtAlertResumeThread( HANDLE handle, PULONG count )
732 {
733 FIXME( "stub: should alert thread %p\n", handle );
734 return NtResumeThread( handle, count );
735 }
736
737
738 /******************************************************************************
739 * NtAlertThread (NTDLL.@)
740 * ZwAlertThread (NTDLL.@)
741 */
742 NTSTATUS WINAPI NtAlertThread( HANDLE handle )
743 {
744 FIXME( "stub: %p\n", handle );
745 return STATUS_NOT_IMPLEMENTED;
746 }
747
748
749 /******************************************************************************
750 * NtTerminateThread (NTDLL.@)
751 * ZwTerminateThread (NTDLL.@)
752 */
753 NTSTATUS WINAPI NtTerminateThread( HANDLE handle, LONG exit_code )
754 {
755 NTSTATUS ret;
756 BOOL self;
757
758 SERVER_START_REQ( terminate_thread )
759 {
760 req->handle = wine_server_obj_handle( handle );
761 req->exit_code = exit_code;
762 ret = wine_server_call( req );
763 self = !ret && reply->self;
764 }
765 SERVER_END_REQ;
766
767 if (self) abort_thread( exit_code );
768 return ret;
769 }
770
771
772 /******************************************************************************
773 * NtQueueApcThread (NTDLL.@)
774 */
775 NTSTATUS WINAPI NtQueueApcThread( HANDLE handle, PNTAPCFUNC func, ULONG_PTR arg1,
776 ULONG_PTR arg2, ULONG_PTR arg3 )
777 {
778 NTSTATUS ret;
779 SERVER_START_REQ( queue_apc )
780 {
781 req->handle = wine_server_obj_handle( handle );
782 if (func)
783 {
784 req->call.type = APC_USER;
785 req->call.user.func = wine_server_client_ptr( func );
786 req->call.user.args[0] = arg1;
787 req->call.user.args[1] = arg2;
788 req->call.user.args[2] = arg3;
789 }
790 else req->call.type = APC_NONE; /* wake up only */
791 ret = wine_server_call( req );
792 }
793 SERVER_END_REQ;
794 return ret;
795 }
796
797
798 /***********************************************************************
799 * set_thread_context
800 */
801 NTSTATUS set_thread_context( HANDLE handle, const CONTEXT *context, BOOL *self )
802 {
803 NTSTATUS ret;
804 DWORD dummy, i;
805 context_t server_context;
806
807 context_to_server( &server_context, context );
808
809 SERVER_START_REQ( set_thread_context )
810 {
811 req->handle = wine_server_obj_handle( handle );
812 req->suspend = 1;
813 wine_server_add_data( req, &server_context, sizeof(server_context) );
814 ret = wine_server_call( req );
815 *self = reply->self;
816 }
817 SERVER_END_REQ;
818
819 if (ret == STATUS_PENDING)
820 {
821 for (i = 0; i < 100; i++)
822 {
823 SERVER_START_REQ( set_thread_context )
824 {
825 req->handle = wine_server_obj_handle( handle );
826 req->suspend = 0;
827 wine_server_add_data( req, &server_context, sizeof(server_context) );
828 ret = wine_server_call( req );
829 }
830 SERVER_END_REQ;
831 if (ret == STATUS_PENDING)
832 {
833 LARGE_INTEGER timeout;
834 timeout.QuadPart = -10000;
835 NtDelayExecution( FALSE, &timeout );
836 }
837 else break;
838 }
839 NtResumeThread( handle, &dummy );
840 if (ret == STATUS_PENDING) ret = STATUS_ACCESS_DENIED;
841 }
842
843 return ret;
844 }
845
846
847 /* convert CPU-specific flags to generic server flags */
848 static inline unsigned int get_server_context_flags( DWORD flags )
849 {
850 unsigned int ret = 0;
851
852 flags &= 0x3f; /* mask CPU id flags */
853 if (flags & CONTEXT_CONTROL) ret |= SERVER_CTX_CONTROL;
854 if (flags & CONTEXT_INTEGER) ret |= SERVER_CTX_INTEGER;
855 #ifdef CONTEXT_SEGMENTS
856 if (flags & CONTEXT_SEGMENTS) ret |= SERVER_CTX_SEGMENTS;
857 #endif
858 #ifdef CONTEXT_FLOATING_POINT
859 if (flags & CONTEXT_FLOATING_POINT) ret |= SERVER_CTX_FLOATING_POINT;
860 #endif
861 #ifdef CONTEXT_DEBUG_REGISTERS
862 if (flags & CONTEXT_DEBUG_REGISTERS) ret |= SERVER_CTX_DEBUG_REGISTERS;
863 #endif
864 #ifdef CONTEXT_EXTENDED_REGISTERS
865 if (flags & CONTEXT_EXTENDED_REGISTERS) ret |= SERVER_CTX_EXTENDED_REGISTERS;
866 #endif
867 return ret;
868 }
869
870 /***********************************************************************
871 * get_thread_context
872 */
873 NTSTATUS get_thread_context( HANDLE handle, CONTEXT *context, BOOL *self )
874 {
875 NTSTATUS ret;
876 DWORD dummy, i;
877 unsigned int server_flags = get_server_context_flags( context->ContextFlags );
878 context_t server_context;
879
880 SERVER_START_REQ( get_thread_context )
881 {
882 req->handle = wine_server_obj_handle( handle );
883 req->flags = server_flags;
884 req->suspend = 1;
885 wine_server_set_reply( req, &server_context, sizeof(server_context) );
886 ret = wine_server_call( req );
887 *self = reply->self;
888 }
889 SERVER_END_REQ;
890
891 if (ret == STATUS_PENDING)
892 {
893 for (i = 0; i < 100; i++)
894 {
895 SERVER_START_REQ( get_thread_context )
896 {
897 req->handle = wine_server_obj_handle( handle );
898 req->flags = server_flags;
899 req->suspend = 0;
900 wine_server_set_reply( req, &server_context, sizeof(server_context) );
901 ret = wine_server_call( req );
902 }
903 SERVER_END_REQ;
904 if (ret == STATUS_PENDING)
905 {
906 LARGE_INTEGER timeout;
907 timeout.QuadPart = -10000;
908 NtDelayExecution( FALSE, &timeout );
909 }
910 else break;
911 }
912 NtResumeThread( handle, &dummy );
913 if (ret == STATUS_PENDING) ret = STATUS_ACCESS_DENIED;
914 }
915 if (!ret) ret = context_from_server( context, &server_context );
916 return ret;
917 }
918
919
920 /******************************************************************************
921 * NtQueryInformationThread (NTDLL.@)
922 * ZwQueryInformationThread (NTDLL.@)
923 */
924 NTSTATUS WINAPI NtQueryInformationThread( HANDLE handle, THREADINFOCLASS class,
925 void *data, ULONG length, ULONG *ret_len )
926 {
927 NTSTATUS status;
928
929 switch(class)
930 {
931 case ThreadBasicInformation:
932 {
933 THREAD_BASIC_INFORMATION info;
934 const ULONG_PTR affinity_mask = get_system_affinity_mask();
935
936 SERVER_START_REQ( get_thread_info )
937 {
938 req->handle = wine_server_obj_handle( handle );
939 req->tid_in = 0;
940 if (!(status = wine_server_call( req )))
941 {
942 info.ExitStatus = reply->exit_code;
943 info.TebBaseAddress = wine_server_get_ptr( reply->teb );
944 info.ClientId.UniqueProcess = ULongToHandle(reply->pid);
945 info.ClientId.UniqueThread = ULongToHandle(reply->tid);
946 info.AffinityMask = reply->affinity & affinity_mask;
947 info.Priority = reply->priority;
948 info.BasePriority = reply->priority; /* FIXME */
949 }
950 }
951 SERVER_END_REQ;
952 if (status == STATUS_SUCCESS)
953 {
954 if (data) memcpy( data, &info, min( length, sizeof(info) ));
955 if (ret_len) *ret_len = min( length, sizeof(info) );
956 }
957 }
958 return status;
959 case ThreadAffinityMask:
960 {
961 const ULONG_PTR affinity_mask = get_system_affinity_mask();
962 ULONG_PTR affinity = 0;
963
964 SERVER_START_REQ( get_thread_info )
965 {
966 req->handle = wine_server_obj_handle( handle );
967 req->tid_in = 0;
968 if (!(status = wine_server_call( req )))
969 affinity = reply->affinity & affinity_mask;
970 }
971 SERVER_END_REQ;
972 if (status == STATUS_SUCCESS)
973 {
974 if (data) memcpy( data, &affinity, min( length, sizeof(affinity) ));
975 if (ret_len) *ret_len = min( length, sizeof(affinity) );
976 }
977 }
978 return status;
979 case ThreadTimes:
980 {
981 KERNEL_USER_TIMES kusrt;
982
983 SERVER_START_REQ( get_thread_times )
984 {
985 req->handle = wine_server_obj_handle( handle );
986 status = wine_server_call( req );
987 if (status == STATUS_SUCCESS)
988 {
989 kusrt.CreateTime.QuadPart = reply->creation_time;
990 kusrt.ExitTime.QuadPart = reply->exit_time;
991 }
992 }
993 SERVER_END_REQ;
994 if (status == STATUS_SUCCESS)
995 {
996 /* We call times(2) for kernel time or user time */
997 /* We can only (portably) do this for the current thread */
998 if (handle == GetCurrentThread())
999 {
1000 struct tms time_buf;
1001 long clocks_per_sec = sysconf(_SC_CLK_TCK);
1002
1003 times(&time_buf);
1004 kusrt.KernelTime.QuadPart = (ULONGLONG)time_buf.tms_stime * 10000000 / clocks_per_sec;
1005 kusrt.UserTime.QuadPart = (ULONGLONG)time_buf.tms_utime * 10000000 / clocks_per_sec;
1006 }
1007 else
1008 {
1009 static BOOL reported = FALSE;
1010
1011 kusrt.KernelTime.QuadPart = 0;
1012 kusrt.UserTime.QuadPart = 0;
1013 if (reported)
1014 TRACE("Cannot get kerneltime or usertime of other threads\n");
1015 else
1016 {
1017 FIXME("Cannot get kerneltime or usertime of other threads\n");
1018 reported = TRUE;
1019 }
1020 }
1021 if (data) memcpy( data, &kusrt, min( length, sizeof(kusrt) ));
1022 if (ret_len) *ret_len = min( length, sizeof(kusrt) );
1023 }
1024 }
1025 return status;
1026 case ThreadDescriptorTableEntry:
1027 {
1028 #ifdef __i386__
1029 THREAD_DESCRIPTOR_INFORMATION* tdi = data;
1030 if (length < sizeof(*tdi))
1031 status = STATUS_INFO_LENGTH_MISMATCH;
1032 else if (!(tdi->Selector & 4)) /* GDT selector */
1033 {
1034 unsigned sel = LOWORD(tdi->Selector) & ~3; /* ignore RPL */
1035 status = STATUS_SUCCESS;
1036 if (!sel) /* null selector */
1037 memset( &tdi->Entry, 0, sizeof(tdi->Entry) );
1038 else
1039 {
1040 tdi->Entry.BaseLow = 0;
1041 tdi->Entry.HighWord.Bits.BaseMid = 0;
1042 tdi->Entry.HighWord.Bits.BaseHi = 0;
1043 tdi->Entry.LimitLow = 0xffff;
1044 tdi->Entry.HighWord.Bits.LimitHi = 0xf;
1045 tdi->Entry.HighWord.Bits.Dpl = 3;
1046 tdi->Entry.HighWord.Bits.Sys = 0;
1047 tdi->Entry.HighWord.Bits.Pres = 1;
1048 tdi->Entry.HighWord.Bits.Granularity = 1;
1049 tdi->Entry.HighWord.Bits.Default_Big = 1;
1050 tdi->Entry.HighWord.Bits.Type = 0x12;
1051 tdi->Entry.HighWord.Bits.Reserved_0 = 0;
1052 /* it has to be one of the system GDT selectors */
1053 if (sel != (wine_get_ds() & ~3) && sel != (wine_get_ss() & ~3))
1054 {
1055 if (sel == (wine_get_cs() & ~3))
1056 tdi->Entry.HighWord.Bits.Type |= 8; /* code segment */
1057 else if (sel == (wine_get_fs() & ~3))
1058 {
1059 ULONG_PTR fs_base = (ULONG_PTR)NtCurrentTeb();
1060 tdi->Entry.BaseLow = fs_base & 0xffff;
1061 tdi->Entry.HighWord.Bits.BaseMid = (fs_base >> 16) & 0xff;
1062 tdi->Entry.HighWord.Bits.BaseHi = (fs_base >> 24) & 0xff;
1063 tdi->Entry.LimitLow = 0x0fff;
1064 tdi->Entry.HighWord.Bits.LimitHi = 0;
1065 tdi->Entry.HighWord.Bits.Granularity = 0;
1066 }
1067 else status = STATUS_ACCESS_DENIED;
1068 }
1069 }
1070 }
1071 else
1072 {
1073 SERVER_START_REQ( get_selector_entry )
1074 {
1075 req->handle = wine_server_obj_handle( handle );
1076 req->entry = LOWORD(tdi->Selector) >> 3;
1077 status = wine_server_call( req );
1078 if (!status)
1079 {
1080 if (!(reply->flags & WINE_LDT_FLAGS_ALLOCATED))
1081 status = STATUS_ACCESS_VIOLATION;
1082 else
1083 {
1084 wine_ldt_set_base ( &tdi->Entry, (void *)reply->base );
1085 wine_ldt_set_limit( &tdi->Entry, reply->limit );
1086 wine_ldt_set_flags( &tdi->Entry, reply->flags );
1087 }
1088 }
1089 }
1090 SERVER_END_REQ;
1091 }
1092 if (status == STATUS_SUCCESS && ret_len)
1093 /* yes, that's a bit strange, but it's the way it is */
1094 *ret_len = sizeof(LDT_ENTRY);
1095 #else
1096 status = STATUS_NOT_IMPLEMENTED;
1097 #endif
1098 return status;
1099 }
1100 case ThreadAmILastThread:
1101 {
1102 SERVER_START_REQ(get_thread_info)
1103 {
1104 req->handle = wine_server_obj_handle( handle );
1105 req->tid_in = 0;
1106 status = wine_server_call( req );
1107 if (status == STATUS_SUCCESS)
1108 {
1109 BOOLEAN last = reply->last;
1110 if (data) memcpy( data, &last, min( length, sizeof(last) ));
1111 if (ret_len) *ret_len = min( length, sizeof(last) );
1112 }
1113 }
1114 SERVER_END_REQ;
1115 return status;
1116 }
1117 case ThreadQuerySetWin32StartAddress:
1118 {
1119 SERVER_START_REQ( get_thread_info )
1120 {
1121 req->handle = wine_server_obj_handle( handle );
1122 req->tid_in = 0;
1123 status = wine_server_call( req );
1124 if (status == STATUS_SUCCESS)
1125 {
1126 PRTL_THREAD_START_ROUTINE entry = wine_server_get_ptr( reply->entry_point );
1127 if (data) memcpy( data, &entry, min( length, sizeof(entry) ) );
1128 if (ret_len) *ret_len = min( length, sizeof(entry) );
1129 }
1130 }
1131 SERVER_END_REQ;
1132 return status;
1133 }
1134 case ThreadGroupInformation:
1135 {
1136 const ULONG_PTR affinity_mask = get_system_affinity_mask();
1137 GROUP_AFFINITY affinity;
1138
1139 memset(&affinity, 0, sizeof(affinity));
1140 affinity.Group = 0; /* Wine only supports max 64 processors */
1141
1142 SERVER_START_REQ( get_thread_info )
1143 {
1144 req->handle = wine_server_obj_handle( handle );
1145 req->tid_in = 0;
1146 if (!(status = wine_server_call( req )))
1147 affinity.Mask = reply->affinity & affinity_mask;
1148 }
1149 SERVER_END_REQ;
1150 if (status == STATUS_SUCCESS)
1151 {
1152 if (data) memcpy( data, &affinity, min( length, sizeof(affinity) ));
1153 if (ret_len) *ret_len = min( length, sizeof(affinity) );
1154 }
1155 }
1156 return status;
1157 case ThreadIsIoPending:
1158 FIXME( "ThreadIsIoPending info class not supported yet\n" );
1159 if (length != sizeof(BOOL)) return STATUS_INFO_LENGTH_MISMATCH;
1160 if (!data) return STATUS_ACCESS_DENIED;
1161
1162 *(BOOL*)data = FALSE;
1163 if (ret_len) *ret_len = sizeof(BOOL);
1164 return STATUS_SUCCESS;
1165 case ThreadPriority:
1166 case ThreadBasePriority:
1167 case ThreadImpersonationToken:
1168 case ThreadEnableAlignmentFaultFixup:
1169 case ThreadEventPair_Reusable:
1170 case ThreadZeroTlsCell:
1171 case ThreadPerformanceCount:
1172 case ThreadIdealProcessor:
1173 case ThreadPriorityBoost:
1174 case ThreadSetTlsArrayAddress:
1175 default:
1176 FIXME( "info class %d not supported yet\n", class );
1177 return STATUS_NOT_IMPLEMENTED;
1178 }
1179 }
1180
1181
1182 /******************************************************************************
1183 * NtSetInformationThread (NTDLL.@)
1184 * ZwSetInformationThread (NTDLL.@)
1185 */
1186 NTSTATUS WINAPI NtSetInformationThread( HANDLE handle, THREADINFOCLASS class,
1187 LPCVOID data, ULONG length )
1188 {
1189 NTSTATUS status;
1190 switch(class)
1191 {
1192 case ThreadZeroTlsCell:
1193 if (handle == GetCurrentThread())
1194 {
1195 LIST_ENTRY *entry;
1196 DWORD index;
1197
1198 if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
1199 index = *(const DWORD *)data;
1200 if (index < TLS_MINIMUM_AVAILABLE)
1201 {
1202 RtlAcquirePebLock();
1203 for (entry = tls_links.Flink; entry != &tls_links; entry = entry->Flink)
1204 {
1205 TEB *teb = CONTAINING_RECORD(entry, TEB, TlsLinks);
1206 teb->TlsSlots[index] = 0;
1207 }
1208 RtlReleasePebLock();
1209 }
1210 else
1211 {
1212 index -= TLS_MINIMUM_AVAILABLE;
1213 if (index >= 8 * sizeof(NtCurrentTeb()->Peb->TlsExpansionBitmapBits))
1214 return STATUS_INVALID_PARAMETER;
1215 RtlAcquirePebLock();
1216 for (entry = tls_links.Flink; entry != &tls_links; entry = entry->Flink)
1217 {
1218 TEB *teb = CONTAINING_RECORD(entry, TEB, TlsLinks);
1219 if (teb->TlsExpansionSlots) teb->TlsExpansionSlots[index] = 0;
1220 }
1221 RtlReleasePebLock();
1222 }
1223 return STATUS_SUCCESS;
1224 }
1225 FIXME( "ZeroTlsCell not supported on other threads\n" );
1226 return STATUS_NOT_IMPLEMENTED;
1227
1228 case ThreadImpersonationToken:
1229 {
1230 const HANDLE *phToken = data;
1231 if (length != sizeof(HANDLE)) return STATUS_INVALID_PARAMETER;
1232 TRACE("Setting ThreadImpersonationToken handle to %p\n", *phToken );
1233 SERVER_START_REQ( set_thread_info )
1234 {
1235 req->handle = wine_server_obj_handle( handle );
1236 req->token = wine_server_obj_handle( *phToken );
1237 req->mask = SET_THREAD_INFO_TOKEN;
1238 status = wine_server_call( req );
1239 }
1240 SERVER_END_REQ;
1241 }
1242 return status;
1243 case ThreadBasePriority:
1244 {
1245 const DWORD *pprio = data;
1246 if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
1247 SERVER_START_REQ( set_thread_info )
1248 {
1249 req->handle = wine_server_obj_handle( handle );
1250 req->priority = *pprio;
1251 req->mask = SET_THREAD_INFO_PRIORITY;
1252 status = wine_server_call( req );
1253 }
1254 SERVER_END_REQ;
1255 }
1256 return status;
1257 case ThreadAffinityMask:
1258 {
1259 const ULONG_PTR affinity_mask = get_system_affinity_mask();
1260 ULONG_PTR req_aff;
1261
1262 if (length != sizeof(ULONG_PTR)) return STATUS_INVALID_PARAMETER;
1263 req_aff = *(const ULONG_PTR *)data;
1264 if ((ULONG)req_aff == ~0u) req_aff = affinity_mask;
1265 else if (req_aff & ~affinity_mask) return STATUS_INVALID_PARAMETER;
1266 else if (!req_aff) return STATUS_INVALID_PARAMETER;
1267 SERVER_START_REQ( set_thread_info )
1268 {
1269 req->handle = wine_server_obj_handle( handle );
1270 req->affinity = req_aff;
1271 req->mask = SET_THREAD_INFO_AFFINITY;
1272 status = wine_server_call( req );
1273 }
1274 SERVER_END_REQ;
1275 }
1276 return status;
1277 case ThreadHideFromDebugger:
1278 /* pretend the call succeeded to satisfy some code protectors */
1279 return STATUS_SUCCESS;
1280 case ThreadQuerySetWin32StartAddress:
1281 {
1282 const PRTL_THREAD_START_ROUTINE *entry = data;
1283 if (length != sizeof(PRTL_THREAD_START_ROUTINE)) return STATUS_INVALID_PARAMETER;
1284 SERVER_START_REQ( set_thread_info )
1285 {
1286 req->handle = wine_server_obj_handle( handle );
1287 req->mask = SET_THREAD_INFO_ENTRYPOINT;
1288 req->entry_point = wine_server_client_ptr( *entry );
1289 status = wine_server_call( req );
1290 }
1291 SERVER_END_REQ;
1292 }
1293 return status;
1294 case ThreadGroupInformation:
1295 {
1296 const ULONG_PTR affinity_mask = get_system_affinity_mask();
1297 const GROUP_AFFINITY *req_aff;
1298
1299 if (length != sizeof(*req_aff)) return STATUS_INVALID_PARAMETER;
1300 if (!data) return STATUS_ACCESS_VIOLATION;
1301 req_aff = data;
1302
1303 /* On Windows the request fails if the reserved fields are set */
1304 if (req_aff->Reserved[0] || req_aff->Reserved[1] || req_aff->Reserved[2])
1305 return STATUS_INVALID_PARAMETER;
1306
1307 /* Wine only supports max 64 processors */
1308 if (req_aff->Group) return STATUS_INVALID_PARAMETER;
1309 if (req_aff->Mask & ~affinity_mask) return STATUS_INVALID_PARAMETER;
1310 if (!req_aff->Mask) return STATUS_INVALID_PARAMETER;
1311 SERVER_START_REQ( set_thread_info )
1312 {
1313 req->handle = wine_server_obj_handle( handle );
1314 req->affinity = req_aff->Mask;
1315 req->mask = SET_THREAD_INFO_AFFINITY;
1316 status = wine_server_call( req );
1317 }
1318 SERVER_END_REQ;
1319 }
1320 return status;
1321 case ThreadBasicInformation:
1322 case ThreadTimes:
1323 case ThreadPriority:
1324 case ThreadDescriptorTableEntry:
1325 case ThreadEnableAlignmentFaultFixup:
1326 case ThreadEventPair_Reusable:
1327 case ThreadPerformanceCount:
1328 case ThreadAmILastThread:
1329 case ThreadIdealProcessor:
1330 case ThreadPriorityBoost:
1331 case ThreadSetTlsArrayAddress:
1332 case ThreadIsIoPending:
1333 default:
1334 FIXME( "info class %d not supported yet\n", class );
1335 return STATUS_NOT_IMPLEMENTED;
1336 }
1337 }
1338
1339 /******************************************************************************
1340 * NtGetCurrentProcessorNumber (NTDLL.@)
1341 *
1342 * Return the processor, on which the thread is running
1343 *
1344 */
1345 ULONG WINAPI NtGetCurrentProcessorNumber(void)
1346 {
1347 ULONG processor;
1348
1349 #if defined(__linux__) && defined(__NR_getcpu)
1350 int res = syscall(__NR_getcpu, &processor, NULL, NULL);
1351 if (res != -1) return processor;
1352 #endif
1353
1354 if (NtCurrentTeb()->Peb->NumberOfProcessors > 1)
1355 {
1356 ULONG_PTR thread_mask, processor_mask;
1357 NTSTATUS status;
1358
1359 status = NtQueryInformationThread(GetCurrentThread(), ThreadAffinityMask,
1360 &thread_mask, sizeof(thread_mask), NULL);
1361 if (status == STATUS_SUCCESS)
1362 {
1363 for (processor = 0; processor < NtCurrentTeb()->Peb->NumberOfProcessors; processor++)
1364 {
1365 processor_mask = (1 << processor);
1366 if (thread_mask & processor_mask)
1367 {
1368 if (thread_mask != processor_mask)
1369 FIXME("need multicore support (%d processors)\n",
1370 NtCurrentTeb()->Peb->NumberOfProcessors);
1371 return processor;
1372 }
1373 }
1374 }
1375 }
1376
1377 /* fallback to the first processor */
1378 return 0;
1379 }
Windows API implementation