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ntdll: Add helper functions for getting and setting thread context through the server.
[wine.git] / dlls / ntdll / thread.c
blob4e1a060fcc36d76dfef875bcf2e9b5d9a127da7e
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 __linux__
189
190 #ifdef HAVE_ELF_H
191 # include <elf.h>
192 #endif
193 #ifdef HAVE_LINK_H
194 # include <link.h>
195 #endif
196 #ifdef HAVE_SYS_AUXV_H
197 # include <sys/auxv.h>
198 #endif
199 #ifndef HAVE_GETAUXVAL
200 static unsigned long getauxval( unsigned long id )
201 {
202 extern char **__wine_main_environ;
203 char **ptr = __wine_main_environ;
204 ElfW(auxv_t) *auxv;
205
206 while (*ptr) ptr++;
207 while (!*ptr) ptr++;
208 for (auxv = (ElfW(auxv_t) *)ptr; auxv->a_type; auxv++)
209 if (auxv->a_type == id) return auxv->a_un.a_val;
210 return 0;
211 }
212 #endif
213
214 static ULONG_PTR get_image_addr(void)
215 {
216 ULONG_PTR size, num, phdr_addr = getauxval( AT_PHDR );
217 ElfW(Phdr) *phdr;
218
219 if (!phdr_addr) return 0;
220 phdr = (ElfW(Phdr) *)phdr_addr;
221 size = getauxval( AT_PHENT );
222 num = getauxval( AT_PHNUM );
223 while (num--)
224 {
225 if (phdr->p_type == PT_PHDR) return phdr_addr - phdr->p_offset;
226 phdr = (ElfW(Phdr) *)((char *)phdr + size);
227 }
228 return 0;
229 }
230
231 #elif defined(__APPLE__)
232 #include <mach/mach.h>
233 #include <mach/mach_error.h>
234
235 static ULONG_PTR get_image_addr(void)
236 {
237 ULONG_PTR ret = 0;
238 #ifdef TASK_DYLD_INFO
239 struct task_dyld_info dyld_info;
240 mach_msg_type_number_t size = TASK_DYLD_INFO_COUNT;
241 if (task_info(mach_task_self(), TASK_DYLD_INFO, (task_info_t)&dyld_info, &size) == KERN_SUCCESS)
242 ret = dyld_info.all_image_info_addr;
243 #endif
244 return ret;
245 }
246
247 #else
248 static ULONG_PTR get_image_addr(void)
249 {
250 return 0;
251 }
252 #endif
253
254 /***********************************************************************
255 * thread_init
256 *
257 * Setup the initial thread.
258 *
259 * NOTES: The first allocated TEB on NT is at 0x7ffde000.
260 */
261 HANDLE thread_init(void)
262 {
263 TEB *teb;
264 void *addr;
265 SIZE_T size, info_size;
266 HANDLE exe_file = 0;
267 LARGE_INTEGER now;
268 NTSTATUS status;
269 struct ntdll_thread_data *thread_data;
270 static struct debug_info debug_info; /* debug info for initial thread */
271
272 virtual_init();
273
274 /* reserve space for shared user data */
275
276 addr = (void *)0x7ffe0000;
277 size = 0x10000;
278 status = NtAllocateVirtualMemory( NtCurrentProcess(), &addr, 0, &size,
279 MEM_RESERVE|MEM_COMMIT, PAGE_READWRITE );
280 if (status)
281 {
282 MESSAGE( "wine: failed to map the shared user data: %08x\n", status );
283 exit(1);
284 }
285 user_shared_data = addr;
286
287 /* allocate and initialize the PEB */
288
289 addr = NULL;
290 size = sizeof(*peb);
291 NtAllocateVirtualMemory( NtCurrentProcess(), &addr, 1, &size,
292 MEM_COMMIT | MEM_TOP_DOWN, PAGE_READWRITE );
293 peb = addr;
294
295 peb->ProcessParameters = &params;
296 peb->TlsBitmap = &tls_bitmap;
297 peb->TlsExpansionBitmap = &tls_expansion_bitmap;
298 peb->FlsBitmap = &fls_bitmap;
299 peb->LdrData = &ldr;
300 peb->OSMajorVersion = 5;
301 peb->OSMinorVersion = 1;
302 peb->OSBuildNumber = 0xA28;
303 peb->OSPlatformId = VER_PLATFORM_WIN32_NT;
304 params.CurrentDirectory.DosPath.Buffer = current_dir;
305 params.CurrentDirectory.DosPath.MaximumLength = sizeof(current_dir);
306 params.wShowWindow = 1; /* SW_SHOWNORMAL */
307 ldr.Length = sizeof(ldr);
308 ldr.Initialized = TRUE;
309 RtlInitializeBitMap( &tls_bitmap, peb->TlsBitmapBits, sizeof(peb->TlsBitmapBits) * 8 );
310 RtlInitializeBitMap( &tls_expansion_bitmap, peb->TlsExpansionBitmapBits,
311 sizeof(peb->TlsExpansionBitmapBits) * 8 );
312 RtlInitializeBitMap( &fls_bitmap, peb->FlsBitmapBits, sizeof(peb->FlsBitmapBits) * 8 );
313 RtlSetBits( peb->TlsBitmap, 0, 1 ); /* TLS index 0 is reserved and should be initialized to NULL. */
314 RtlSetBits( peb->FlsBitmap, 0, 1 );
315 InitializeListHead( &peb->FlsListHead );
316 InitializeListHead( &ldr.InLoadOrderModuleList );
317 InitializeListHead( &ldr.InMemoryOrderModuleList );
318 InitializeListHead( &ldr.InInitializationOrderModuleList );
319 *(ULONG_PTR *)peb->Reserved = get_image_addr();
320
321 /*
322 * Starting with Vista, the first user to log on has session id 1.
323 * Session id 0 is for processes that don't interact with the user (like services).
324 */
325 peb->SessionId = 1;
326
327 /* allocate and initialize the initial TEB */
328
329 signal_alloc_thread( &teb );
330 teb->Peb = peb;
331 teb->Tib.StackBase = (void *)~0UL;
332 teb->StaticUnicodeString.Buffer = teb->StaticUnicodeBuffer;
333 teb->StaticUnicodeString.MaximumLength = sizeof(teb->StaticUnicodeBuffer);
334
335 thread_data = (struct ntdll_thread_data *)teb->SpareBytes1;
336 thread_data->request_fd = -1;
337 thread_data->reply_fd = -1;
338 thread_data->wait_fd[0] = -1;
339 thread_data->wait_fd[1] = -1;
340 thread_data->debug_info = &debug_info;
341 InsertHeadList( &tls_links, &teb->TlsLinks );
342
343 signal_init_thread( teb );
344 virtual_init_threading();
345
346 debug_info.str_pos = debug_info.strings;
347 debug_info.out_pos = debug_info.output;
348 debug_init();
349
350 /* setup the server connection */
351 server_init_process();
352 info_size = server_init_thread( peb );
353
354 /* create the process heap */
355 if (!(peb->ProcessHeap = RtlCreateHeap( HEAP_GROWABLE, NULL, 0, 0, NULL, NULL )))
356 {
357 MESSAGE( "wine: failed to create the process heap\n" );
358 exit(1);
359 }
360
361 /* allocate user parameters */
362 if (info_size)
363 {
364 init_user_process_params( info_size, &exe_file );
365 }
366 else
367 {
368 if (isatty(0) || isatty(1) || isatty(2))
369 params.ConsoleHandle = (HANDLE)2; /* see kernel32/kernel_private.h */
370 if (!isatty(0))
371 wine_server_fd_to_handle( 0, GENERIC_READ|SYNCHRONIZE, OBJ_INHERIT, &params.hStdInput );
372 if (!isatty(1))
373 wine_server_fd_to_handle( 1, GENERIC_WRITE|SYNCHRONIZE, OBJ_INHERIT, &params.hStdOutput );
374 if (!isatty(2))
375 wine_server_fd_to_handle( 2, GENERIC_WRITE|SYNCHRONIZE, OBJ_INHERIT, &params.hStdError );
376 }
377
378 /* initialize time values in user_shared_data */
379 NtQuerySystemTime( &now );
380 user_shared_data->SystemTime.LowPart = now.u.LowPart;
381 user_shared_data->SystemTime.High1Time = user_shared_data->SystemTime.High2Time = now.u.HighPart;
382 user_shared_data->u.TickCountQuad = (now.QuadPart - server_start_time) / 10000;
383 user_shared_data->u.TickCount.High2Time = user_shared_data->u.TickCount.High1Time;
384 user_shared_data->TickCountLowDeprecated = user_shared_data->u.TickCount.LowPart;
385 user_shared_data->TickCountMultiplier = 1 << 24;
386
387 fill_cpu_info();
388
389 NtCreateKeyedEvent( &keyed_event, GENERIC_READ | GENERIC_WRITE, NULL, 0 );
390
391 return exe_file;
392 }
393
394
395 /***********************************************************************
396 * terminate_thread
397 */
398 void terminate_thread( int status )
399 {
400 pthread_sigmask( SIG_BLOCK, &server_block_set, NULL );
401 if (interlocked_xchg_add( &nb_threads, -1 ) <= 1) _exit( status );
402
403 close( ntdll_get_thread_data()->wait_fd[0] );
404 close( ntdll_get_thread_data()->wait_fd[1] );
405 close( ntdll_get_thread_data()->reply_fd );
406 close( ntdll_get_thread_data()->request_fd );
407 pthread_exit( UIntToPtr(status) );
408 }
409
410
411 /***********************************************************************
412 * exit_thread
413 */
414 void exit_thread( int status )
415 {
416 static void *prev_teb;
417 TEB *teb;
418
419 if (status) /* send the exit code to the server (0 is already the default) */
420 {
421 SERVER_START_REQ( terminate_thread )
422 {
423 req->handle = wine_server_obj_handle( GetCurrentThread() );
424 req->exit_code = status;
425 wine_server_call( req );
426 }
427 SERVER_END_REQ;
428 }
429
430 if (interlocked_xchg_add( &nb_threads, -1 ) <= 1)
431 {
432 LdrShutdownProcess();
433 exit( status );
434 }
435
436 LdrShutdownThread();
437 RtlFreeThreadActivationContextStack();
438
439 pthread_sigmask( SIG_BLOCK, &server_block_set, NULL );
440
441 if ((teb = interlocked_xchg_ptr( &prev_teb, NtCurrentTeb() )))
442 {
443 struct ntdll_thread_data *thread_data = (struct ntdll_thread_data *)teb->SpareBytes1;
444
445 if (thread_data->pthread_id)
446 {
447 pthread_join( thread_data->pthread_id, NULL );
448 signal_free_thread( teb );
449 }
450 }
451
452 close( ntdll_get_thread_data()->wait_fd[0] );
453 close( ntdll_get_thread_data()->wait_fd[1] );
454 close( ntdll_get_thread_data()->reply_fd );
455 close( ntdll_get_thread_data()->request_fd );
456 pthread_exit( UIntToPtr(status) );
457 }
458
459
460 /***********************************************************************
461 * start_thread
462 *
463 * Startup routine for a newly created thread.
464 */
465 static void start_thread( struct startup_info *info )
466 {
467 TEB *teb = info->teb;
468 struct ntdll_thread_data *thread_data = (struct ntdll_thread_data *)teb->SpareBytes1;
469 PRTL_THREAD_START_ROUTINE func = info->entry_point;
470 void *arg = info->entry_arg;
471 struct debug_info debug_info;
472
473 debug_info.str_pos = debug_info.strings;
474 debug_info.out_pos = debug_info.output;
475 thread_data->debug_info = &debug_info;
476 thread_data->pthread_id = pthread_self();
477
478 signal_init_thread( teb );
479 server_init_thread( func );
480 pthread_sigmask( SIG_UNBLOCK, &server_block_set, NULL );
481
482 MODULE_DllThreadAttach( NULL );
483
484 if (TRACE_ON(relay))
485 DPRINTF( "%04x:Starting thread proc %p (arg=%p)\n", GetCurrentThreadId(), func, arg );
486
487 call_thread_entry_point( (LPTHREAD_START_ROUTINE)func, arg );
488 }
489
490
491 /***********************************************************************
492 * RtlCreateUserThread (NTDLL.@)
493 */
494 NTSTATUS WINAPI RtlCreateUserThread( HANDLE process, const SECURITY_DESCRIPTOR *descr,
495 BOOLEAN suspended, PVOID stack_addr,
496 SIZE_T stack_reserve, SIZE_T stack_commit,
497 PRTL_THREAD_START_ROUTINE start, void *param,
498 HANDLE *handle_ptr, CLIENT_ID *id )
499 {
500 sigset_t sigset;
501 pthread_t pthread_id;
502 pthread_attr_t attr;
503 struct ntdll_thread_data *thread_data;
504 struct startup_info *info;
505 HANDLE handle = 0, actctx = 0;
506 TEB *teb = NULL;
507 DWORD tid = 0;
508 int request_pipe[2];
509 NTSTATUS status;
510
511 if (process != NtCurrentProcess())
512 {
513 apc_call_t call;
514 apc_result_t result;
515
516 memset( &call, 0, sizeof(call) );
517
518 call.create_thread.type = APC_CREATE_THREAD;
519 call.create_thread.func = wine_server_client_ptr( start );
520 call.create_thread.arg = wine_server_client_ptr( param );
521 call.create_thread.reserve = stack_reserve;
522 call.create_thread.commit = stack_commit;
523 call.create_thread.suspend = suspended;
524 status = server_queue_process_apc( process, &call, &result );
525 if (status != STATUS_SUCCESS) return status;
526
527 if (result.create_thread.status == STATUS_SUCCESS)
528 {
529 if (id) id->UniqueThread = ULongToHandle(result.create_thread.tid);
530 if (handle_ptr) *handle_ptr = wine_server_ptr_handle( result.create_thread.handle );
531 else NtClose( wine_server_ptr_handle( result.create_thread.handle ));
532 }
533 return result.create_thread.status;
534 }
535
536 if (server_pipe( request_pipe ) == -1) return STATUS_TOO_MANY_OPENED_FILES;
537 wine_server_send_fd( request_pipe[0] );
538
539 SERVER_START_REQ( new_thread )
540 {
541 req->access = THREAD_ALL_ACCESS;
542 req->attributes = 0; /* FIXME */
543 req->suspend = suspended;
544 req->request_fd = request_pipe[0];
545 if (!(status = wine_server_call( req )))
546 {
547 handle = wine_server_ptr_handle( reply->handle );
548 tid = reply->tid;
549 }
550 close( request_pipe[0] );
551 }
552 SERVER_END_REQ;
553
554 if (status)
555 {
556 close( request_pipe[1] );
557 return status;
558 }
559
560 pthread_sigmask( SIG_BLOCK, &server_block_set, &sigset );
561
562 if ((status = signal_alloc_thread( &teb ))) goto error;
563
564 teb->Peb = NtCurrentTeb()->Peb;
565 teb->ClientId.UniqueProcess = ULongToHandle(GetCurrentProcessId());
566 teb->ClientId.UniqueThread = ULongToHandle(tid);
567 teb->StaticUnicodeString.Buffer = teb->StaticUnicodeBuffer;
568 teb->StaticUnicodeString.MaximumLength = sizeof(teb->StaticUnicodeBuffer);
569
570 /* create default activation context frame for new thread */
571 RtlGetActiveActivationContext(&actctx);
572 if (actctx)
573 {
574 RTL_ACTIVATION_CONTEXT_STACK_FRAME *frame;
575
576 frame = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(*frame));
577 frame->Previous = NULL;
578 frame->ActivationContext = actctx;
579 frame->Flags = 0;
580 teb->ActivationContextStack.ActiveFrame = frame;
581 }
582
583 info = (struct startup_info *)(teb + 1);
584 info->teb = teb;
585 info->entry_point = start;
586 info->entry_arg = param;
587
588 thread_data = (struct ntdll_thread_data *)teb->SpareBytes1;
589 thread_data->request_fd = request_pipe[1];
590 thread_data->reply_fd = -1;
591 thread_data->wait_fd[0] = -1;
592 thread_data->wait_fd[1] = -1;
593
594 if ((status = virtual_alloc_thread_stack( teb, stack_reserve, stack_commit ))) goto error;
595
596 pthread_attr_init( &attr );
597 pthread_attr_setstack( &attr, teb->DeallocationStack,
598 (char *)teb->Tib.StackBase - (char *)teb->DeallocationStack );
599 pthread_attr_setscope( &attr, PTHREAD_SCOPE_SYSTEM ); /* force creating a kernel thread */
600 interlocked_xchg_add( &nb_threads, 1 );
601 if (pthread_create( &pthread_id, &attr, (void * (*)(void *))start_thread, info ))
602 {
603 interlocked_xchg_add( &nb_threads, -1 );
604 pthread_attr_destroy( &attr );
605 status = STATUS_NO_MEMORY;
606 goto error;
607 }
608 pthread_attr_destroy( &attr );
609 pthread_sigmask( SIG_SETMASK, &sigset, NULL );
610
611 if (id) id->UniqueThread = ULongToHandle(tid);
612 if (handle_ptr) *handle_ptr = handle;
613 else NtClose( handle );
614
615 return STATUS_SUCCESS;
616
617 error:
618 if (teb) signal_free_thread( teb );
619 if (handle) NtClose( handle );
620 pthread_sigmask( SIG_SETMASK, &sigset, NULL );
621 close( request_pipe[1] );
622 return status;
623 }
624
625
626 /******************************************************************************
627 * RtlGetNtGlobalFlags (NTDLL.@)
628 */
629 ULONG WINAPI RtlGetNtGlobalFlags(void)
630 {
631 if (!peb) return 0; /* init not done yet */
632 return peb->NtGlobalFlag;
633 }
634
635
636 /***********************************************************************
637 * NtOpenThread (NTDLL.@)
638 * ZwOpenThread (NTDLL.@)
639 */
640 NTSTATUS WINAPI NtOpenThread( HANDLE *handle, ACCESS_MASK access,
641 const OBJECT_ATTRIBUTES *attr, const CLIENT_ID *id )
642 {
643 NTSTATUS ret;
644
645 SERVER_START_REQ( open_thread )
646 {
647 req->tid = HandleToULong(id->UniqueThread);
648 req->access = access;
649 req->attributes = attr ? attr->Attributes : 0;
650 ret = wine_server_call( req );
651 *handle = wine_server_ptr_handle( reply->handle );
652 }
653 SERVER_END_REQ;
654 return ret;
655 }
656
657
658 /******************************************************************************
659 * NtSuspendThread (NTDLL.@)
660 * ZwSuspendThread (NTDLL.@)
661 */
662 NTSTATUS WINAPI NtSuspendThread( HANDLE handle, PULONG count )
663 {
664 NTSTATUS ret;
665
666 SERVER_START_REQ( suspend_thread )
667 {
668 req->handle = wine_server_obj_handle( handle );
669 if (!(ret = wine_server_call( req )))
670 {
671 if (count) *count = reply->count;
672 }
673 }
674 SERVER_END_REQ;
675 return ret;
676 }
677
678
679 /******************************************************************************
680 * NtResumeThread (NTDLL.@)
681 * ZwResumeThread (NTDLL.@)
682 */
683 NTSTATUS WINAPI NtResumeThread( HANDLE handle, PULONG count )
684 {
685 NTSTATUS ret;
686
687 SERVER_START_REQ( resume_thread )
688 {
689 req->handle = wine_server_obj_handle( handle );
690 if (!(ret = wine_server_call( req )))
691 {
692 if (count) *count = reply->count;
693 }
694 }
695 SERVER_END_REQ;
696 return ret;
697 }
698
699
700 /******************************************************************************
701 * NtAlertResumeThread (NTDLL.@)
702 * ZwAlertResumeThread (NTDLL.@)
703 */
704 NTSTATUS WINAPI NtAlertResumeThread( HANDLE handle, PULONG count )
705 {
706 FIXME( "stub: should alert thread %p\n", handle );
707 return NtResumeThread( handle, count );
708 }
709
710
711 /******************************************************************************
712 * NtAlertThread (NTDLL.@)
713 * ZwAlertThread (NTDLL.@)
714 */
715 NTSTATUS WINAPI NtAlertThread( HANDLE handle )
716 {
717 FIXME( "stub: %p\n", handle );
718 return STATUS_NOT_IMPLEMENTED;
719 }
720
721
722 /******************************************************************************
723 * NtTerminateThread (NTDLL.@)
724 * ZwTerminateThread (NTDLL.@)
725 */
726 NTSTATUS WINAPI NtTerminateThread( HANDLE handle, LONG exit_code )
727 {
728 NTSTATUS ret;
729 BOOL self;
730
731 SERVER_START_REQ( terminate_thread )
732 {
733 req->handle = wine_server_obj_handle( handle );
734 req->exit_code = exit_code;
735 ret = wine_server_call( req );
736 self = !ret && reply->self;
737 }
738 SERVER_END_REQ;
739
740 if (self) abort_thread( exit_code );
741 return ret;
742 }
743
744
745 /******************************************************************************
746 * NtQueueApcThread (NTDLL.@)
747 */
748 NTSTATUS WINAPI NtQueueApcThread( HANDLE handle, PNTAPCFUNC func, ULONG_PTR arg1,
749 ULONG_PTR arg2, ULONG_PTR arg3 )
750 {
751 NTSTATUS ret;
752 SERVER_START_REQ( queue_apc )
753 {
754 req->handle = wine_server_obj_handle( handle );
755 if (func)
756 {
757 req->call.type = APC_USER;
758 req->call.user.func = wine_server_client_ptr( func );
759 req->call.user.args[0] = arg1;
760 req->call.user.args[1] = arg2;
761 req->call.user.args[2] = arg3;
762 }
763 else req->call.type = APC_NONE; /* wake up only */
764 ret = wine_server_call( req );
765 }
766 SERVER_END_REQ;
767 return ret;
768 }
769
770
771 /***********************************************************************
772 * set_thread_context
773 */
774 static NTSTATUS set_thread_context( HANDLE handle, const CONTEXT *context, BOOL *self )
775 {
776 NTSTATUS ret;
777 DWORD dummy, i;
778 context_t server_context;
779
780 context_to_server( &server_context, context );
781
782 SERVER_START_REQ( set_thread_context )
783 {
784 req->handle = wine_server_obj_handle( handle );
785 req->suspend = 1;
786 wine_server_add_data( req, &server_context, sizeof(server_context) );
787 ret = wine_server_call( req );
788 *self = reply->self;
789 }
790 SERVER_END_REQ;
791
792 if (ret == STATUS_PENDING)
793 {
794 for (i = 0; i < 100; i++)
795 {
796 SERVER_START_REQ( set_thread_context )
797 {
798 req->handle = wine_server_obj_handle( handle );
799 req->suspend = 0;
800 wine_server_add_data( req, &server_context, sizeof(server_context) );
801 ret = wine_server_call( req );
802 }
803 SERVER_END_REQ;
804 if (ret == STATUS_PENDING)
805 {
806 LARGE_INTEGER timeout;
807 timeout.QuadPart = -10000;
808 NtDelayExecution( FALSE, &timeout );
809 }
810 else break;
811 }
812 NtResumeThread( handle, &dummy );
813 if (ret == STATUS_PENDING) ret = STATUS_ACCESS_DENIED;
814 }
815
816 return ret;
817 }
818
819
820 /***********************************************************************
821 * NtSetContextThread (NTDLL.@)
822 * ZwSetContextThread (NTDLL.@)
823 */
824 NTSTATUS WINAPI NtSetContextThread( HANDLE handle, const CONTEXT *context )
825 {
826 NTSTATUS ret;
827 BOOL self;
828
829 #ifdef __i386__
830 /* on i386 debug registers always require a server call */
831 self = (handle == GetCurrentThread());
832 if (self && (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386)))
833 {
834 self = (ntdll_get_thread_data()->dr0 == context->Dr0 &&
835 ntdll_get_thread_data()->dr1 == context->Dr1 &&
836 ntdll_get_thread_data()->dr2 == context->Dr2 &&
837 ntdll_get_thread_data()->dr3 == context->Dr3 &&
838 ntdll_get_thread_data()->dr6 == context->Dr6 &&
839 ntdll_get_thread_data()->dr7 == context->Dr7);
840 }
841 #else
842 self = FALSE;
843 #endif
844
845 if (!self)
846 {
847 ret = set_thread_context( handle, context, &self );
848 if (ret) return ret;
849 }
850
851 if (self) set_cpu_context( context );
852 return STATUS_SUCCESS;
853 }
854
855
856 /* convert CPU-specific flags to generic server flags */
857 static inline unsigned int get_server_context_flags( DWORD flags )
858 {
859 unsigned int ret = 0;
860
861 flags &= 0x3f; /* mask CPU id flags */
862 if (flags & CONTEXT_CONTROL) ret |= SERVER_CTX_CONTROL;
863 if (flags & CONTEXT_INTEGER) ret |= SERVER_CTX_INTEGER;
864 #ifdef CONTEXT_SEGMENTS
865 if (flags & CONTEXT_SEGMENTS) ret |= SERVER_CTX_SEGMENTS;
866 #endif
867 #ifdef CONTEXT_FLOATING_POINT
868 if (flags & CONTEXT_FLOATING_POINT) ret |= SERVER_CTX_FLOATING_POINT;
869 #endif
870 #ifdef CONTEXT_DEBUG_REGISTERS
871 if (flags & CONTEXT_DEBUG_REGISTERS) ret |= SERVER_CTX_DEBUG_REGISTERS;
872 #endif
873 #ifdef CONTEXT_EXTENDED_REGISTERS
874 if (flags & CONTEXT_EXTENDED_REGISTERS) ret |= SERVER_CTX_EXTENDED_REGISTERS;
875 #endif
876 return ret;
877 }
878
879 /***********************************************************************
880 * get_thread_context
881 */
882 static NTSTATUS get_thread_context( HANDLE handle, CONTEXT *context, BOOL *self )
883 {
884 NTSTATUS ret;
885 DWORD dummy, i;
886 unsigned int server_flags = get_server_context_flags( context->ContextFlags );
887 context_t server_context;
888
889 SERVER_START_REQ( get_thread_context )
890 {
891 req->handle = wine_server_obj_handle( handle );
892 req->flags = server_flags;
893 req->suspend = 1;
894 wine_server_set_reply( req, &server_context, sizeof(server_context) );
895 ret = wine_server_call( req );
896 *self = reply->self;
897 }
898 SERVER_END_REQ;
899
900 if (ret == STATUS_PENDING)
901 {
902 for (i = 0; i < 100; i++)
903 {
904 SERVER_START_REQ( get_thread_context )
905 {
906 req->handle = wine_server_obj_handle( handle );
907 req->flags = server_flags;
908 req->suspend = 0;
909 wine_server_set_reply( req, &server_context, sizeof(server_context) );
910 ret = wine_server_call( req );
911 }
912 SERVER_END_REQ;
913 if (ret == STATUS_PENDING)
914 {
915 LARGE_INTEGER timeout;
916 timeout.QuadPart = -10000;
917 NtDelayExecution( FALSE, &timeout );
918 }
919 else break;
920 }
921 NtResumeThread( handle, &dummy );
922 if (ret == STATUS_PENDING) ret = STATUS_ACCESS_DENIED;
923 }
924 if (!ret) ret = context_from_server( context, &server_context );
925 return ret;
926 }
927
928
929 /***********************************************************************
930 * NtGetContextThread (NTDLL.@)
931 * ZwGetContextThread (NTDLL.@)
932 */
933 NTSTATUS WINAPI NtGetContextThread( HANDLE handle, CONTEXT *context )
934 {
935 NTSTATUS ret;
936 DWORD needed_flags = context->ContextFlags;
937 BOOL self = (handle == GetCurrentThread());
938
939 /* on i386/amd64 debug registers always require a server call */
940 #ifdef __i386__
941 if (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386)) self = FALSE;
942 #elif defined(__x86_64__)
943 if (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_AMD64)) self = FALSE;
944 #endif
945
946 if (!self)
947 {
948 ret = get_thread_context( handle, context, &self );
949 if (ret) return ret;
950 needed_flags &= ~context->ContextFlags;
951 }
952
953 if (self)
954 {
955 if (needed_flags)
956 {
957 CONTEXT ctx;
958 RtlCaptureContext( &ctx );
959 copy_context( context, &ctx, ctx.ContextFlags & needed_flags );
960 context->ContextFlags |= ctx.ContextFlags & needed_flags;
961 }
962 #ifdef __i386__
963 /* update the cached version of the debug registers */
964 if (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386))
965 {
966 ntdll_get_thread_data()->dr0 = context->Dr0;
967 ntdll_get_thread_data()->dr1 = context->Dr1;
968 ntdll_get_thread_data()->dr2 = context->Dr2;
969 ntdll_get_thread_data()->dr3 = context->Dr3;
970 ntdll_get_thread_data()->dr6 = context->Dr6;
971 ntdll_get_thread_data()->dr7 = context->Dr7;
972 }
973 #endif
974 }
975 return STATUS_SUCCESS;
976 }
977
978
979 /******************************************************************************
980 * NtQueryInformationThread (NTDLL.@)
981 * ZwQueryInformationThread (NTDLL.@)
982 */
983 NTSTATUS WINAPI NtQueryInformationThread( HANDLE handle, THREADINFOCLASS class,
984 void *data, ULONG length, ULONG *ret_len )
985 {
986 NTSTATUS status;
987
988 switch(class)
989 {
990 case ThreadBasicInformation:
991 {
992 THREAD_BASIC_INFORMATION info;
993 const ULONG_PTR affinity_mask = get_system_affinity_mask();
994
995 SERVER_START_REQ( get_thread_info )
996 {
997 req->handle = wine_server_obj_handle( handle );
998 req->tid_in = 0;
999 if (!(status = wine_server_call( req )))
1000 {
1001 info.ExitStatus = reply->exit_code;
1002 info.TebBaseAddress = wine_server_get_ptr( reply->teb );
1003 info.ClientId.UniqueProcess = ULongToHandle(reply->pid);
1004 info.ClientId.UniqueThread = ULongToHandle(reply->tid);
1005 info.AffinityMask = reply->affinity & affinity_mask;
1006 info.Priority = reply->priority;
1007 info.BasePriority = reply->priority; /* FIXME */
1008 }
1009 }
1010 SERVER_END_REQ;
1011 if (status == STATUS_SUCCESS)
1012 {
1013 if (data) memcpy( data, &info, min( length, sizeof(info) ));
1014 if (ret_len) *ret_len = min( length, sizeof(info) );
1015 }
1016 }
1017 return status;
1018 case ThreadAffinityMask:
1019 {
1020 const ULONG_PTR affinity_mask = get_system_affinity_mask();
1021 ULONG_PTR affinity = 0;
1022
1023 SERVER_START_REQ( get_thread_info )
1024 {
1025 req->handle = wine_server_obj_handle( handle );
1026 req->tid_in = 0;
1027 if (!(status = wine_server_call( req )))
1028 affinity = reply->affinity & affinity_mask;
1029 }
1030 SERVER_END_REQ;
1031 if (status == STATUS_SUCCESS)
1032 {
1033 if (data) memcpy( data, &affinity, min( length, sizeof(affinity) ));
1034 if (ret_len) *ret_len = min( length, sizeof(affinity) );
1035 }
1036 }
1037 return status;
1038 case ThreadTimes:
1039 {
1040 KERNEL_USER_TIMES kusrt;
1041
1042 SERVER_START_REQ( get_thread_times )
1043 {
1044 req->handle = wine_server_obj_handle( handle );
1045 status = wine_server_call( req );
1046 if (status == STATUS_SUCCESS)
1047 {
1048 kusrt.CreateTime.QuadPart = reply->creation_time;
1049 kusrt.ExitTime.QuadPart = reply->exit_time;
1050 }
1051 }
1052 SERVER_END_REQ;
1053 if (status == STATUS_SUCCESS)
1054 {
1055 /* We call times(2) for kernel time or user time */
1056 /* We can only (portably) do this for the current thread */
1057 if (handle == GetCurrentThread())
1058 {
1059 struct tms time_buf;
1060 long clocks_per_sec = sysconf(_SC_CLK_TCK);
1061
1062 times(&time_buf);
1063 kusrt.KernelTime.QuadPart = (ULONGLONG)time_buf.tms_stime * 10000000 / clocks_per_sec;
1064 kusrt.UserTime.QuadPart = (ULONGLONG)time_buf.tms_utime * 10000000 / clocks_per_sec;
1065 }
1066 else
1067 {
1068 static BOOL reported = FALSE;
1069
1070 kusrt.KernelTime.QuadPart = 0;
1071 kusrt.UserTime.QuadPart = 0;
1072 if (reported)
1073 TRACE("Cannot get kerneltime or usertime of other threads\n");
1074 else
1075 {
1076 FIXME("Cannot get kerneltime or usertime of other threads\n");
1077 reported = TRUE;
1078 }
1079 }
1080 if (data) memcpy( data, &kusrt, min( length, sizeof(kusrt) ));
1081 if (ret_len) *ret_len = min( length, sizeof(kusrt) );
1082 }
1083 }
1084 return status;
1085 case ThreadDescriptorTableEntry:
1086 {
1087 #ifdef __i386__
1088 THREAD_DESCRIPTOR_INFORMATION* tdi = data;
1089 if (length < sizeof(*tdi))
1090 status = STATUS_INFO_LENGTH_MISMATCH;
1091 else if (!(tdi->Selector & 4)) /* GDT selector */
1092 {
1093 unsigned sel = LOWORD(tdi->Selector) & ~3; /* ignore RPL */
1094 status = STATUS_SUCCESS;
1095 if (!sel) /* null selector */
1096 memset( &tdi->Entry, 0, sizeof(tdi->Entry) );
1097 else
1098 {
1099 tdi->Entry.BaseLow = 0;
1100 tdi->Entry.HighWord.Bits.BaseMid = 0;
1101 tdi->Entry.HighWord.Bits.BaseHi = 0;
1102 tdi->Entry.LimitLow = 0xffff;
1103 tdi->Entry.HighWord.Bits.LimitHi = 0xf;
1104 tdi->Entry.HighWord.Bits.Dpl = 3;
1105 tdi->Entry.HighWord.Bits.Sys = 0;
1106 tdi->Entry.HighWord.Bits.Pres = 1;
1107 tdi->Entry.HighWord.Bits.Granularity = 1;
1108 tdi->Entry.HighWord.Bits.Default_Big = 1;
1109 tdi->Entry.HighWord.Bits.Type = 0x12;
1110 tdi->Entry.HighWord.Bits.Reserved_0 = 0;
1111 /* it has to be one of the system GDT selectors */
1112 if (sel != (wine_get_ds() & ~3) && sel != (wine_get_ss() & ~3))
1113 {
1114 if (sel == (wine_get_cs() & ~3))
1115 tdi->Entry.HighWord.Bits.Type |= 8; /* code segment */
1116 else if (sel == (ntdll_get_thread_data()->fs & ~3))
1117 {
1118 ULONG_PTR fs_base = (ULONG_PTR)NtCurrentTeb();
1119 tdi->Entry.BaseLow = fs_base & 0xffff;
1120 tdi->Entry.HighWord.Bits.BaseMid = (fs_base >> 16) & 0xff;
1121 tdi->Entry.HighWord.Bits.BaseHi = (fs_base >> 24) & 0xff;
1122 tdi->Entry.LimitLow = 0x0fff;
1123 tdi->Entry.HighWord.Bits.LimitHi = 0;
1124 tdi->Entry.HighWord.Bits.Granularity = 0;
1125 }
1126 else status = STATUS_ACCESS_DENIED;
1127 }
1128 }
1129 }
1130 else
1131 {
1132 SERVER_START_REQ( get_selector_entry )
1133 {
1134 req->handle = wine_server_obj_handle( handle );
1135 req->entry = LOWORD(tdi->Selector) >> 3;
1136 status = wine_server_call( req );
1137 if (!status)
1138 {
1139 if (!(reply->flags & WINE_LDT_FLAGS_ALLOCATED))
1140 status = STATUS_ACCESS_VIOLATION;
1141 else
1142 {
1143 wine_ldt_set_base ( &tdi->Entry, (void *)reply->base );
1144 wine_ldt_set_limit( &tdi->Entry, reply->limit );
1145 wine_ldt_set_flags( &tdi->Entry, reply->flags );
1146 }
1147 }
1148 }
1149 SERVER_END_REQ;
1150 }
1151 if (status == STATUS_SUCCESS && ret_len)
1152 /* yes, that's a bit strange, but it's the way it is */
1153 *ret_len = sizeof(LDT_ENTRY);
1154 #else
1155 status = STATUS_NOT_IMPLEMENTED;
1156 #endif
1157 return status;
1158 }
1159 case ThreadAmILastThread:
1160 {
1161 SERVER_START_REQ(get_thread_info)
1162 {
1163 req->handle = wine_server_obj_handle( handle );
1164 req->tid_in = 0;
1165 status = wine_server_call( req );
1166 if (status == STATUS_SUCCESS)
1167 {
1168 BOOLEAN last = reply->last;
1169 if (data) memcpy( data, &last, min( length, sizeof(last) ));
1170 if (ret_len) *ret_len = min( length, sizeof(last) );
1171 }
1172 }
1173 SERVER_END_REQ;
1174 return status;
1175 }
1176 case ThreadQuerySetWin32StartAddress:
1177 {
1178 SERVER_START_REQ( get_thread_info )
1179 {
1180 req->handle = wine_server_obj_handle( handle );
1181 req->tid_in = 0;
1182 status = wine_server_call( req );
1183 if (status == STATUS_SUCCESS)
1184 {
1185 PRTL_THREAD_START_ROUTINE entry = wine_server_get_ptr( reply->entry_point );
1186 if (data) memcpy( data, &entry, min( length, sizeof(entry) ) );
1187 if (ret_len) *ret_len = min( length, sizeof(entry) );
1188 }
1189 }
1190 SERVER_END_REQ;
1191 return status;
1192 }
1193 case ThreadGroupInformation:
1194 {
1195 const ULONG_PTR affinity_mask = get_system_affinity_mask();
1196 GROUP_AFFINITY affinity;
1197
1198 memset(&affinity, 0, sizeof(affinity));
1199 affinity.Group = 0; /* Wine only supports max 64 processors */
1200
1201 SERVER_START_REQ( get_thread_info )
1202 {
1203 req->handle = wine_server_obj_handle( handle );
1204 req->tid_in = 0;
1205 if (!(status = wine_server_call( req )))
1206 affinity.Mask = reply->affinity & affinity_mask;
1207 }
1208 SERVER_END_REQ;
1209 if (status == STATUS_SUCCESS)
1210 {
1211 if (data) memcpy( data, &affinity, min( length, sizeof(affinity) ));
1212 if (ret_len) *ret_len = min( length, sizeof(affinity) );
1213 }
1214 }
1215 return status;
1216 case ThreadIsIoPending:
1217 FIXME( "ThreadIsIoPending info class not supported yet\n" );
1218 if (length != sizeof(BOOL)) return STATUS_INFO_LENGTH_MISMATCH;
1219 if (!data) return STATUS_ACCESS_DENIED;
1220
1221 *(BOOL*)data = FALSE;
1222 if (ret_len) *ret_len = sizeof(BOOL);
1223 return STATUS_SUCCESS;
1224 case ThreadPriority:
1225 case ThreadBasePriority:
1226 case ThreadImpersonationToken:
1227 case ThreadEnableAlignmentFaultFixup:
1228 case ThreadEventPair_Reusable:
1229 case ThreadZeroTlsCell:
1230 case ThreadPerformanceCount:
1231 case ThreadIdealProcessor:
1232 case ThreadPriorityBoost:
1233 case ThreadSetTlsArrayAddress:
1234 default:
1235 FIXME( "info class %d not supported yet\n", class );
1236 return STATUS_NOT_IMPLEMENTED;
1237 }
1238 }
1239
1240
1241 /******************************************************************************
1242 * NtSetInformationThread (NTDLL.@)
1243 * ZwSetInformationThread (NTDLL.@)
1244 */
1245 NTSTATUS WINAPI NtSetInformationThread( HANDLE handle, THREADINFOCLASS class,
1246 LPCVOID data, ULONG length )
1247 {
1248 NTSTATUS status;
1249 switch(class)
1250 {
1251 case ThreadZeroTlsCell:
1252 if (handle == GetCurrentThread())
1253 {
1254 LIST_ENTRY *entry;
1255 DWORD index;
1256
1257 if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
1258 index = *(const DWORD *)data;
1259 if (index < TLS_MINIMUM_AVAILABLE)
1260 {
1261 RtlAcquirePebLock();
1262 for (entry = tls_links.Flink; entry != &tls_links; entry = entry->Flink)
1263 {
1264 TEB *teb = CONTAINING_RECORD(entry, TEB, TlsLinks);
1265 teb->TlsSlots[index] = 0;
1266 }
1267 RtlReleasePebLock();
1268 }
1269 else
1270 {
1271 index -= TLS_MINIMUM_AVAILABLE;
1272 if (index >= 8 * sizeof(NtCurrentTeb()->Peb->TlsExpansionBitmapBits))
1273 return STATUS_INVALID_PARAMETER;
1274 RtlAcquirePebLock();
1275 for (entry = tls_links.Flink; entry != &tls_links; entry = entry->Flink)
1276 {
1277 TEB *teb = CONTAINING_RECORD(entry, TEB, TlsLinks);
1278 if (teb->TlsExpansionSlots) teb->TlsExpansionSlots[index] = 0;
1279 }
1280 RtlReleasePebLock();
1281 }
1282 return STATUS_SUCCESS;
1283 }
1284 FIXME( "ZeroTlsCell not supported on other threads\n" );
1285 return STATUS_NOT_IMPLEMENTED;
1286
1287 case ThreadImpersonationToken:
1288 {
1289 const HANDLE *phToken = data;
1290 if (length != sizeof(HANDLE)) return STATUS_INVALID_PARAMETER;
1291 TRACE("Setting ThreadImpersonationToken handle to %p\n", *phToken );
1292 SERVER_START_REQ( set_thread_info )
1293 {
1294 req->handle = wine_server_obj_handle( handle );
1295 req->token = wine_server_obj_handle( *phToken );
1296 req->mask = SET_THREAD_INFO_TOKEN;
1297 status = wine_server_call( req );
1298 }
1299 SERVER_END_REQ;
1300 }
1301 return status;
1302 case ThreadBasePriority:
1303 {
1304 const DWORD *pprio = data;
1305 if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
1306 SERVER_START_REQ( set_thread_info )
1307 {
1308 req->handle = wine_server_obj_handle( handle );
1309 req->priority = *pprio;
1310 req->mask = SET_THREAD_INFO_PRIORITY;
1311 status = wine_server_call( req );
1312 }
1313 SERVER_END_REQ;
1314 }
1315 return status;
1316 case ThreadAffinityMask:
1317 {
1318 const ULONG_PTR affinity_mask = get_system_affinity_mask();
1319 ULONG_PTR req_aff;
1320
1321 if (length != sizeof(ULONG_PTR)) return STATUS_INVALID_PARAMETER;
1322 req_aff = *(const ULONG_PTR *)data;
1323 if ((ULONG)req_aff == ~0u) req_aff = affinity_mask;
1324 else if (req_aff & ~affinity_mask) return STATUS_INVALID_PARAMETER;
1325 else if (!req_aff) return STATUS_INVALID_PARAMETER;
1326 SERVER_START_REQ( set_thread_info )
1327 {
1328 req->handle = wine_server_obj_handle( handle );
1329 req->affinity = req_aff;
1330 req->mask = SET_THREAD_INFO_AFFINITY;
1331 status = wine_server_call( req );
1332 }
1333 SERVER_END_REQ;
1334 }
1335 return status;
1336 case ThreadHideFromDebugger:
1337 /* pretend the call succeeded to satisfy some code protectors */
1338 return STATUS_SUCCESS;
1339 case ThreadQuerySetWin32StartAddress:
1340 {
1341 const PRTL_THREAD_START_ROUTINE *entry = data;
1342 if (length != sizeof(PRTL_THREAD_START_ROUTINE)) return STATUS_INVALID_PARAMETER;
1343 SERVER_START_REQ( set_thread_info )
1344 {
1345 req->handle = wine_server_obj_handle( handle );
1346 req->mask = SET_THREAD_INFO_ENTRYPOINT;
1347 req->entry_point = wine_server_client_ptr( *entry );
1348 status = wine_server_call( req );
1349 }
1350 SERVER_END_REQ;
1351 }
1352 return status;
1353 case ThreadGroupInformation:
1354 {
1355 const ULONG_PTR affinity_mask = get_system_affinity_mask();
1356 const GROUP_AFFINITY *req_aff;
1357
1358 if (length != sizeof(*req_aff)) return STATUS_INVALID_PARAMETER;
1359 if (!data) return STATUS_ACCESS_VIOLATION;
1360 req_aff = data;
1361
1362 /* On Windows the request fails if the reserved fields are set */
1363 if (req_aff->Reserved[0] || req_aff->Reserved[1] || req_aff->Reserved[2])
1364 return STATUS_INVALID_PARAMETER;
1365
1366 /* Wine only supports max 64 processors */
1367 if (req_aff->Group) return STATUS_INVALID_PARAMETER;
1368 if (req_aff->Mask & ~affinity_mask) return STATUS_INVALID_PARAMETER;
1369 if (!req_aff->Mask) return STATUS_INVALID_PARAMETER;
1370 SERVER_START_REQ( set_thread_info )
1371 {
1372 req->handle = wine_server_obj_handle( handle );
1373 req->affinity = req_aff->Mask;
1374 req->mask = SET_THREAD_INFO_AFFINITY;
1375 status = wine_server_call( req );
1376 }
1377 SERVER_END_REQ;
1378 }
1379 return status;
1380 case ThreadBasicInformation:
1381 case ThreadTimes:
1382 case ThreadPriority:
1383 case ThreadDescriptorTableEntry:
1384 case ThreadEnableAlignmentFaultFixup:
1385 case ThreadEventPair_Reusable:
1386 case ThreadPerformanceCount:
1387 case ThreadAmILastThread:
1388 case ThreadIdealProcessor:
1389 case ThreadPriorityBoost:
1390 case ThreadSetTlsArrayAddress:
1391 case ThreadIsIoPending:
1392 default:
1393 FIXME( "info class %d not supported yet\n", class );
1394 return STATUS_NOT_IMPLEMENTED;
1395 }
1396 }
1397
1398 /******************************************************************************
1399 * NtGetCurrentProcessorNumber (NTDLL.@)
1400 *
1401 * Return the processor, on which the thread is running
1402 *
1403 */
1404 ULONG WINAPI NtGetCurrentProcessorNumber(void)
1405 {
1406 ULONG processor;
1407
1408 #if defined(__linux__) && defined(__NR_getcpu)
1409 int res = syscall(__NR_getcpu, &processor, NULL, NULL);
1410 if (res != -1) return processor;
1411 #endif
1412
1413 if (NtCurrentTeb()->Peb->NumberOfProcessors > 1)
1414 {
1415 ULONG_PTR thread_mask, processor_mask;
1416 NTSTATUS status;
1417
1418 status = NtQueryInformationThread(GetCurrentThread(), ThreadAffinityMask,
1419 &thread_mask, sizeof(thread_mask), NULL);
1420 if (status == STATUS_SUCCESS)
1421 {
1422 for (processor = 0; processor < NtCurrentTeb()->Peb->NumberOfProcessors; processor++)
1423 {
1424 processor_mask = (1 << processor);
1425 if (thread_mask & processor_mask)
1426 {
1427 if (thread_mask != processor_mask)
1428 FIXME("need multicore support (%d processors)\n",
1429 NtCurrentTeb()->Peb->NumberOfProcessors);
1430 return processor;
1431 }
1432 }
1433 }
1434 }
1435
1436 /* fallback to the first processor */
1437 return 0;
1438 }
Windows API implementation