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fusion: Implement CreateAssemblyCache.
[wine.git] / dlls / ntdll / thread.c
blob1115ca7cbb2005e72c41f90164f9c5d4c9d8e9b8
1 /*
2 * NT threads support
3 *
4 * Copyright 1996, 2003 Alexandre Julliard
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 */
20
21 #include "config.h"
22 #include "wine/port.h"
23
24 #include <assert.h>
25 #include <stdarg.h>
26 #include <sys/types.h>
27 #ifdef HAVE_SYS_MMAN_H
28 #include <sys/mman.h>
29 #endif
30 #ifdef HAVE_SYS_TIMES_H
31 #include <sys/times.h>
32 #endif
33
34 #define NONAMELESSUNION
35 #include "ntstatus.h"
36 #define WIN32_NO_STATUS
37 #include "winternl.h"
38 #include "wine/library.h"
39 #include "wine/server.h"
40 #include "wine/pthread.h"
41 #include "wine/debug.h"
42 #include "ntdll_misc.h"
43 #include "ddk/wdm.h"
44 #include "wine/exception.h"
45
46 WINE_DEFAULT_DEBUG_CHANNEL(thread);
47 WINE_DECLARE_DEBUG_CHANNEL(relay);
48
49 struct _KUSER_SHARED_DATA *user_shared_data = NULL;
50
51 PUNHANDLED_EXCEPTION_FILTER unhandled_exception_filter = NULL;
52
53 /* info passed to a starting thread */
54 struct startup_info
55 {
56 struct wine_pthread_thread_info pthread_info;
57 PRTL_THREAD_START_ROUTINE entry_point;
58 void *entry_arg;
59 };
60
61 static PEB_LDR_DATA ldr;
62 static RTL_USER_PROCESS_PARAMETERS params; /* default parameters if no parent */
63 static WCHAR current_dir[MAX_NT_PATH_LENGTH];
64 static RTL_BITMAP tls_bitmap;
65 static RTL_BITMAP tls_expansion_bitmap;
66 static RTL_BITMAP fls_bitmap;
67 static LIST_ENTRY tls_links;
68 static size_t sigstack_total_size;
69 static ULONG sigstack_zero_bits;
70
71 struct wine_pthread_functions pthread_functions = { NULL };
72
73
74 static RTL_CRITICAL_SECTION ldt_section;
75 static RTL_CRITICAL_SECTION_DEBUG critsect_debug =
76 {
77 0, 0, &ldt_section,
78 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
79 0, 0, { (DWORD_PTR)(__FILE__ ": ldt_section") }
80 };
81 static RTL_CRITICAL_SECTION ldt_section = { &critsect_debug, -1, 0, 0, 0, 0 };
82 static sigset_t ldt_sigset;
83
84 /***********************************************************************
85 * locking for LDT routines
86 */
87 static void ldt_lock(void)
88 {
89 sigset_t sigset;
90
91 pthread_functions.sigprocmask( SIG_BLOCK, &server_block_set, &sigset );
92 RtlEnterCriticalSection( &ldt_section );
93 if (ldt_section.RecursionCount == 1) ldt_sigset = sigset;
94 }
95
96 static void ldt_unlock(void)
97 {
98 if (ldt_section.RecursionCount == 1)
99 {
100 sigset_t sigset = ldt_sigset;
101 RtlLeaveCriticalSection( &ldt_section );
102 pthread_functions.sigprocmask( SIG_SETMASK, &sigset, NULL );
103 }
104 else RtlLeaveCriticalSection( &ldt_section );
105 }
106
107
108 /***********************************************************************
109 * init_teb
110 */
111 static inline NTSTATUS init_teb( TEB *teb )
112 {
113 struct ntdll_thread_data *thread_data = (struct ntdll_thread_data *)teb->SystemReserved2;
114
115 teb->Tib.ExceptionList = (void *)~0UL;
116 teb->Tib.StackBase = (void *)~0UL;
117 teb->Tib.Self = &teb->Tib;
118 teb->StaticUnicodeString.Buffer = teb->StaticUnicodeBuffer;
119 teb->StaticUnicodeString.MaximumLength = sizeof(teb->StaticUnicodeBuffer);
120
121 if (!(thread_data->fs = wine_ldt_alloc_fs())) return STATUS_TOO_MANY_THREADS;
122 thread_data->request_fd = -1;
123 thread_data->reply_fd = -1;
124 thread_data->wait_fd[0] = -1;
125 thread_data->wait_fd[1] = -1;
126
127 return STATUS_SUCCESS;
128 }
129
130
131 /***********************************************************************
132 * fix_unicode_string
133 *
134 * Make sure the unicode string doesn't point beyond the end pointer
135 */
136 static inline void fix_unicode_string( UNICODE_STRING *str, const char *end_ptr )
137 {
138 if ((char *)str->Buffer >= end_ptr)
139 {
140 str->Length = str->MaximumLength = 0;
141 str->Buffer = NULL;
142 return;
143 }
144 if ((char *)str->Buffer + str->MaximumLength > end_ptr)
145 {
146 str->MaximumLength = (end_ptr - (char *)str->Buffer) & ~(sizeof(WCHAR) - 1);
147 }
148 if (str->Length >= str->MaximumLength)
149 {
150 if (str->MaximumLength >= sizeof(WCHAR))
151 str->Length = str->MaximumLength - sizeof(WCHAR);
152 else
153 str->Length = str->MaximumLength = 0;
154 }
155 }
156
157
158 /***********************************************************************
159 * init_user_process_params
160 *
161 * Fill the RTL_USER_PROCESS_PARAMETERS structure from the server.
162 */
163 static NTSTATUS init_user_process_params( SIZE_T info_size, HANDLE *exe_file )
164 {
165 void *ptr;
166 SIZE_T env_size;
167 NTSTATUS status;
168 RTL_USER_PROCESS_PARAMETERS *params = NULL;
169
170 status = NtAllocateVirtualMemory( NtCurrentProcess(), (void **)&params, 0, &info_size,
171 MEM_COMMIT, PAGE_READWRITE );
172 if (status != STATUS_SUCCESS) return status;
173
174 params->AllocationSize = info_size;
175 NtCurrentTeb()->Peb->ProcessParameters = params;
176
177 SERVER_START_REQ( get_startup_info )
178 {
179 wine_server_set_reply( req, params, info_size );
180 if (!(status = wine_server_call( req )))
181 {
182 info_size = wine_server_reply_size( reply );
183 *exe_file = reply->exe_file;
184 params->hStdInput = reply->hstdin;
185 params->hStdOutput = reply->hstdout;
186 params->hStdError = reply->hstderr;
187 }
188 }
189 SERVER_END_REQ;
190 if (status != STATUS_SUCCESS) return status;
191
192 if (params->Size > info_size) params->Size = info_size;
193
194 /* make sure the strings are valid */
195 fix_unicode_string( &params->CurrentDirectory.DosPath, (char *)info_size );
196 fix_unicode_string( &params->DllPath, (char *)info_size );
197 fix_unicode_string( &params->ImagePathName, (char *)info_size );
198 fix_unicode_string( &params->CommandLine, (char *)info_size );
199 fix_unicode_string( &params->WindowTitle, (char *)info_size );
200 fix_unicode_string( &params->Desktop, (char *)info_size );
201 fix_unicode_string( &params->ShellInfo, (char *)info_size );
202 fix_unicode_string( &params->RuntimeInfo, (char *)info_size );
203
204 /* environment needs to be a separate memory block */
205 env_size = info_size - params->Size;
206 if (!env_size) env_size = 1;
207 ptr = NULL;
208 status = NtAllocateVirtualMemory( NtCurrentProcess(), &ptr, 0, &env_size,
209 MEM_COMMIT, PAGE_READWRITE );
210 if (status != STATUS_SUCCESS) return status;
211 memcpy( ptr, (char *)params + params->Size, info_size - params->Size );
212 params->Environment = ptr;
213
214 RtlNormalizeProcessParams( params );
215 return status;
216 }
217
218
219 /***********************************************************************
220 * thread_init
221 *
222 * Setup the initial thread.
223 *
224 * NOTES: The first allocated TEB on NT is at 0x7ffde000.
225 */
226 HANDLE thread_init(void)
227 {
228 PEB *peb;
229 TEB *teb;
230 void *addr;
231 SIZE_T size, info_size;
232 HANDLE exe_file = 0;
233 LARGE_INTEGER now;
234 struct ntdll_thread_data *thread_data;
235 struct wine_pthread_thread_info thread_info;
236 static struct debug_info debug_info; /* debug info for initial thread */
237
238 virtual_init();
239
240 /* reserve space for shared user data */
241
242 addr = (void *)0x7ffe0000;
243 size = 0x10000;
244 NtAllocateVirtualMemory( NtCurrentProcess(), &addr, 0, &size, MEM_RESERVE|MEM_COMMIT, PAGE_READWRITE );
245 user_shared_data = addr;
246
247 /* allocate and initialize the PEB */
248
249 addr = NULL;
250 size = sizeof(*peb);
251 NtAllocateVirtualMemory( NtCurrentProcess(), &addr, 1, &size,
252 MEM_COMMIT | MEM_TOP_DOWN, PAGE_READWRITE );
253 peb = addr;
254
255 peb->NumberOfProcessors = 1;
256 peb->ProcessParameters = &params;
257 peb->TlsBitmap = &tls_bitmap;
258 peb->TlsExpansionBitmap = &tls_expansion_bitmap;
259 peb->FlsBitmap = &fls_bitmap;
260 peb->LdrData = &ldr;
261 params.CurrentDirectory.DosPath.Buffer = current_dir;
262 params.CurrentDirectory.DosPath.MaximumLength = sizeof(current_dir);
263 params.wShowWindow = 1; /* SW_SHOWNORMAL */
264 RtlInitializeBitMap( &tls_bitmap, peb->TlsBitmapBits, sizeof(peb->TlsBitmapBits) * 8 );
265 RtlInitializeBitMap( &tls_expansion_bitmap, peb->TlsExpansionBitmapBits,
266 sizeof(peb->TlsExpansionBitmapBits) * 8 );
267 RtlInitializeBitMap( &fls_bitmap, peb->FlsBitmapBits, sizeof(peb->FlsBitmapBits) * 8 );
268 InitializeListHead( &peb->FlsListHead );
269 InitializeListHead( &ldr.InLoadOrderModuleList );
270 InitializeListHead( &ldr.InMemoryOrderModuleList );
271 InitializeListHead( &ldr.InInitializationOrderModuleList );
272 InitializeListHead( &tls_links );
273
274 /* allocate and initialize the initial TEB */
275
276 sigstack_total_size = get_signal_stack_total_size();
277 while (1 << sigstack_zero_bits < sigstack_total_size) sigstack_zero_bits++;
278 assert( 1 << sigstack_zero_bits == sigstack_total_size ); /* must be a power of 2 */
279 assert( sigstack_total_size >= sizeof(TEB) + sizeof(struct startup_info) );
280 thread_info.teb_size = sigstack_total_size;
281
282 addr = NULL;
283 size = sigstack_total_size;
284 NtAllocateVirtualMemory( NtCurrentProcess(), &addr, sigstack_zero_bits,
285 &size, MEM_COMMIT | MEM_TOP_DOWN, PAGE_READWRITE );
286 teb = addr;
287 teb->Peb = peb;
288 thread_info.teb_size = size;
289 init_teb( teb );
290 thread_data = (struct ntdll_thread_data *)teb->SystemReserved2;
291 thread_data->debug_info = &debug_info;
292 InsertHeadList( &tls_links, &teb->TlsLinks );
293
294 thread_info.stack_base = NULL;
295 thread_info.stack_size = 0;
296 thread_info.teb_base = teb;
297 thread_info.teb_sel = thread_data->fs;
298 wine_pthread_get_functions( &pthread_functions, sizeof(pthread_functions) );
299 pthread_functions.init_current_teb( &thread_info );
300 pthread_functions.init_thread( &thread_info );
301 virtual_init_threading();
302
303 debug_info.str_pos = debug_info.strings;
304 debug_info.out_pos = debug_info.output;
305 debug_init();
306
307 /* setup the server connection */
308 server_init_process();
309 info_size = server_init_thread( thread_info.pid, thread_info.tid, NULL );
310
311 /* create the process heap */
312 if (!(peb->ProcessHeap = RtlCreateHeap( HEAP_GROWABLE, NULL, 0, 0, NULL, NULL )))
313 {
314 MESSAGE( "wine: failed to create the process heap\n" );
315 exit(1);
316 }
317
318 /* allocate user parameters */
319 if (info_size)
320 {
321 init_user_process_params( info_size, &exe_file );
322 }
323 else
324 {
325 /* This is wine specific: we have no parent (we're started from unix)
326 * so, create a simple console with bare handles to unix stdio
327 */
328 wine_server_fd_to_handle( 0, GENERIC_READ|SYNCHRONIZE, OBJ_INHERIT, &params.hStdInput );
329 wine_server_fd_to_handle( 1, GENERIC_WRITE|SYNCHRONIZE, OBJ_INHERIT, &params.hStdOutput );
330 wine_server_fd_to_handle( 2, GENERIC_WRITE|SYNCHRONIZE, OBJ_INHERIT, &params.hStdError );
331 }
332
333 /* initialize LDT locking */
334 wine_ldt_init_locking( ldt_lock, ldt_unlock );
335
336 /* initialize time values in user_shared_data */
337 NtQuerySystemTime( &now );
338 user_shared_data->SystemTime.LowPart = now.u.LowPart;
339 user_shared_data->SystemTime.High1Time = user_shared_data->SystemTime.High2Time = now.u.HighPart;
340 user_shared_data->u.TickCountQuad = (now.QuadPart - server_start_time) / 10000;
341 user_shared_data->u.TickCount.High2Time = user_shared_data->u.TickCount.High1Time;
342 user_shared_data->TickCountLowDeprecated = user_shared_data->u.TickCount.LowPart;
343 user_shared_data->TickCountMultiplier = 1 << 24;
344
345 return exe_file;
346 }
347
348 #ifdef __i386__
349 /* wrapper for apps that don't declare the thread function correctly */
350 extern DWORD call_thread_entry_point( PRTL_THREAD_START_ROUTINE entry, void *arg );
351 __ASM_GLOBAL_FUNC(call_thread_entry_point,
352 "pushl %ebp\n\t"
353 "movl %esp,%ebp\n\t"
354 "subl $4,%esp\n\t"
355 "pushl 12(%ebp)\n\t"
356 "movl 8(%ebp),%eax\n\t"
357 "call *%eax\n\t"
358 "leave\n\t"
359 "ret" );
360 #else
361 static inline DWORD call_thread_entry_point( PRTL_THREAD_START_ROUTINE entry, void *arg )
362 {
363 LPTHREAD_START_ROUTINE func = (LPTHREAD_START_ROUTINE)entry;
364 return func( arg );
365 }
366 #endif
367
368 /***********************************************************************
369 * call_thread_func
370 *
371 * Hack to make things compatible with the thread procedures used by kernel32.CreateThread.
372 */
373 static void DECLSPEC_NORETURN call_thread_func( PRTL_THREAD_START_ROUTINE rtl_func, void *arg )
374 {
375 DWORD exit_code;
376 BOOL last;
377
378 MODULE_DllThreadAttach( NULL );
379
380 if (TRACE_ON(relay))
381 DPRINTF( "%04x:Starting thread proc %p (arg=%p)\n", GetCurrentThreadId(), rtl_func, arg );
382
383 exit_code = call_thread_entry_point( rtl_func, arg );
384
385 /* send the exit code to the server */
386 SERVER_START_REQ( terminate_thread )
387 {
388 req->handle = GetCurrentThread();
389 req->exit_code = exit_code;
390 wine_server_call( req );
391 last = reply->last;
392 }
393 SERVER_END_REQ;
394
395 if (last)
396 {
397 LdrShutdownProcess();
398 exit( exit_code );
399 }
400 else
401 {
402 LdrShutdownThread();
403 server_exit_thread( exit_code );
404 }
405 }
406
407
408 /***********************************************************************
409 * start_thread
410 *
411 * Startup routine for a newly created thread.
412 */
413 static void start_thread( struct wine_pthread_thread_info *info )
414 {
415 TEB *teb = info->teb_base;
416 struct ntdll_thread_data *thread_data = (struct ntdll_thread_data *)teb->SystemReserved2;
417 struct startup_info *startup_info = (struct startup_info *)info;
418 PRTL_THREAD_START_ROUTINE func = startup_info->entry_point;
419 void *arg = startup_info->entry_arg;
420 struct debug_info debug_info;
421 SIZE_T size, page_size = getpagesize();
422
423 debug_info.str_pos = debug_info.strings;
424 debug_info.out_pos = debug_info.output;
425 thread_data->debug_info = &debug_info;
426
427 pthread_functions.init_current_teb( info );
428 SIGNAL_Init();
429 server_init_thread( info->pid, info->tid, func );
430 pthread_functions.init_thread( info );
431
432 /* allocate a memory view for the stack */
433 size = info->stack_size;
434 teb->DeallocationStack = info->stack_base;
435 NtAllocateVirtualMemory( NtCurrentProcess(), &teb->DeallocationStack, 0,
436 &size, MEM_SYSTEM, PAGE_READWRITE );
437 /* limit is lower than base since the stack grows down */
438 teb->Tib.StackBase = (char *)info->stack_base + info->stack_size;
439 teb->Tib.StackLimit = (char *)info->stack_base + page_size;
440
441 /* setup the guard page */
442 size = page_size;
443 NtProtectVirtualMemory( NtCurrentProcess(), &teb->DeallocationStack, &size, PAGE_NOACCESS, NULL );
444
445 pthread_functions.sigprocmask( SIG_UNBLOCK, &server_block_set, NULL );
446
447 RtlAcquirePebLock();
448 InsertHeadList( &tls_links, &teb->TlsLinks );
449 RtlReleasePebLock();
450
451 /* NOTE: Windows does not have an exception handler around the call to
452 * the thread attach. We do for ease of debugging */
453 if (unhandled_exception_filter)
454 {
455 __TRY
456 {
457 call_thread_func( func, arg );
458 }
459 __EXCEPT(unhandled_exception_filter)
460 {
461 NtTerminateThread( GetCurrentThread(), GetExceptionCode() );
462 }
463 __ENDTRY
464 }
465 else
466 call_thread_func( func, arg );
467 }
468
469
470 /***********************************************************************
471 * RtlCreateUserThread (NTDLL.@)
472 */
473 NTSTATUS WINAPI RtlCreateUserThread( HANDLE process, const SECURITY_DESCRIPTOR *descr,
474 BOOLEAN suspended, PVOID stack_addr,
475 SIZE_T stack_reserve, SIZE_T stack_commit,
476 PRTL_THREAD_START_ROUTINE start, void *param,
477 HANDLE *handle_ptr, CLIENT_ID *id )
478 {
479 sigset_t sigset;
480 struct ntdll_thread_data *thread_data = NULL;
481 struct ntdll_thread_regs *thread_regs;
482 struct startup_info *info = NULL;
483 void *addr = NULL;
484 HANDLE handle = 0;
485 TEB *teb;
486 DWORD tid = 0;
487 int request_pipe[2];
488 NTSTATUS status;
489 SIZE_T size, page_size = getpagesize();
490
491 if (process != NtCurrentProcess())
492 {
493 apc_call_t call;
494 apc_result_t result;
495
496 memset( &call, 0, sizeof(call) );
497
498 call.create_thread.type = APC_CREATE_THREAD;
499 call.create_thread.func = start;
500 call.create_thread.arg = param;
501 call.create_thread.reserve = stack_reserve;
502 call.create_thread.commit = stack_commit;
503 call.create_thread.suspend = suspended;
504 status = NTDLL_queue_process_apc( process, &call, &result );
505 if (status != STATUS_SUCCESS) return status;
506
507 if (result.create_thread.status == STATUS_SUCCESS)
508 {
509 if (id) id->UniqueThread = ULongToHandle(result.create_thread.tid);
510 if (handle_ptr) *handle_ptr = result.create_thread.handle;
511 else NtClose( result.create_thread.handle );
512 }
513 return result.create_thread.status;
514 }
515
516 if (pipe( request_pipe ) == -1) return STATUS_TOO_MANY_OPENED_FILES;
517 fcntl( request_pipe[1], F_SETFD, 1 ); /* set close on exec flag */
518 wine_server_send_fd( request_pipe[0] );
519
520 SERVER_START_REQ( new_thread )
521 {
522 req->access = THREAD_ALL_ACCESS;
523 req->attributes = 0; /* FIXME */
524 req->suspend = suspended;
525 req->request_fd = request_pipe[0];
526 if (!(status = wine_server_call( req )))
527 {
528 handle = reply->handle;
529 tid = reply->tid;
530 }
531 close( request_pipe[0] );
532 }
533 SERVER_END_REQ;
534
535 if (status)
536 {
537 close( request_pipe[1] );
538 return status;
539 }
540
541 pthread_functions.sigprocmask( SIG_BLOCK, &server_block_set, &sigset );
542
543 addr = NULL;
544 size = sigstack_total_size;
545 if ((status = NtAllocateVirtualMemory( NtCurrentProcess(), &addr, sigstack_zero_bits,
546 &size, MEM_COMMIT | MEM_TOP_DOWN, PAGE_READWRITE )))
547 goto error;
548 teb = addr;
549 teb->Peb = NtCurrentTeb()->Peb;
550 info = (struct startup_info *)(teb + 1);
551 info->pthread_info.teb_size = size;
552 if ((status = init_teb( teb ))) goto error;
553
554 teb->ClientId.UniqueProcess = ULongToHandle(GetCurrentProcessId());
555 teb->ClientId.UniqueThread = ULongToHandle(tid);
556
557 thread_data = (struct ntdll_thread_data *)teb->SystemReserved2;
558 thread_regs = (struct ntdll_thread_regs *)teb->SpareBytes1;
559 thread_data->request_fd = request_pipe[1];
560
561 info->pthread_info.teb_base = teb;
562 info->pthread_info.teb_sel = thread_data->fs;
563
564 /* inherit debug registers from parent thread */
565 thread_regs->dr0 = ntdll_get_thread_regs()->dr0;
566 thread_regs->dr1 = ntdll_get_thread_regs()->dr1;
567 thread_regs->dr2 = ntdll_get_thread_regs()->dr2;
568 thread_regs->dr3 = ntdll_get_thread_regs()->dr3;
569 thread_regs->dr6 = ntdll_get_thread_regs()->dr6;
570 thread_regs->dr7 = ntdll_get_thread_regs()->dr7;
571
572 if (!stack_reserve || !stack_commit)
573 {
574 IMAGE_NT_HEADERS *nt = RtlImageNtHeader( NtCurrentTeb()->Peb->ImageBaseAddress );
575 if (!stack_reserve) stack_reserve = nt->OptionalHeader.SizeOfStackReserve;
576 if (!stack_commit) stack_commit = nt->OptionalHeader.SizeOfStackCommit;
577 }
578 if (stack_reserve < stack_commit) stack_reserve = stack_commit;
579 stack_reserve += page_size; /* for the guard page */
580 stack_reserve = (stack_reserve + 0xffff) & ~0xffff; /* round to 64K boundary */
581 if (stack_reserve < 1024 * 1024) stack_reserve = 1024 * 1024; /* Xlib needs a large stack */
582
583 info->pthread_info.stack_base = NULL;
584 info->pthread_info.stack_size = stack_reserve;
585 info->pthread_info.entry = start_thread;
586 info->entry_point = start;
587 info->entry_arg = param;
588
589 if (pthread_functions.create_thread( &info->pthread_info ) == -1)
590 {
591 status = STATUS_NO_MEMORY;
592 goto error;
593 }
594 pthread_functions.sigprocmask( SIG_SETMASK, &sigset, NULL );
595
596 if (id) id->UniqueThread = ULongToHandle(tid);
597 if (handle_ptr) *handle_ptr = handle;
598 else NtClose( handle );
599
600 return STATUS_SUCCESS;
601
602 error:
603 if (thread_data) wine_ldt_free_fs( thread_data->fs );
604 if (addr)
605 {
606 SIZE_T size = 0;
607 NtFreeVirtualMemory( NtCurrentProcess(), &addr, &size, MEM_RELEASE );
608 }
609 if (handle) NtClose( handle );
610 pthread_functions.sigprocmask( SIG_SETMASK, &sigset, NULL );
611 close( request_pipe[1] );
612 return status;
613 }
614
615
616 /***********************************************************************
617 * RtlExitUserThread (NTDLL.@)
618 */
619 void WINAPI RtlExitUserThread( ULONG status )
620 {
621 LdrShutdownThread();
622 server_exit_thread( status );
623 }
624
625
626 /***********************************************************************
627 * NtOpenThread (NTDLL.@)
628 * ZwOpenThread (NTDLL.@)
629 */
630 NTSTATUS WINAPI NtOpenThread( HANDLE *handle, ACCESS_MASK access,
631 const OBJECT_ATTRIBUTES *attr, const CLIENT_ID *id )
632 {
633 NTSTATUS ret;
634
635 SERVER_START_REQ( open_thread )
636 {
637 req->tid = HandleToULong(id->UniqueThread);
638 req->access = access;
639 req->attributes = attr ? attr->Attributes : 0;
640 ret = wine_server_call( req );
641 *handle = reply->handle;
642 }
643 SERVER_END_REQ;
644 return ret;
645 }
646
647
648 /******************************************************************************
649 * NtSuspendThread (NTDLL.@)
650 * ZwSuspendThread (NTDLL.@)
651 */
652 NTSTATUS WINAPI NtSuspendThread( HANDLE handle, PULONG count )
653 {
654 NTSTATUS ret;
655
656 SERVER_START_REQ( suspend_thread )
657 {
658 req->handle = handle;
659 if (!(ret = wine_server_call( req ))) *count = reply->count;
660 }
661 SERVER_END_REQ;
662 return ret;
663 }
664
665
666 /******************************************************************************
667 * NtResumeThread (NTDLL.@)
668 * ZwResumeThread (NTDLL.@)
669 */
670 NTSTATUS WINAPI NtResumeThread( HANDLE handle, PULONG count )
671 {
672 NTSTATUS ret;
673
674 SERVER_START_REQ( resume_thread )
675 {
676 req->handle = handle;
677 if (!(ret = wine_server_call( req ))) *count = reply->count;
678 }
679 SERVER_END_REQ;
680 return ret;
681 }
682
683
684 /******************************************************************************
685 * NtAlertResumeThread (NTDLL.@)
686 * ZwAlertResumeThread (NTDLL.@)
687 */
688 NTSTATUS WINAPI NtAlertResumeThread( HANDLE handle, PULONG count )
689 {
690 FIXME( "stub: should alert thread %p\n", handle );
691 return NtResumeThread( handle, count );
692 }
693
694
695 /******************************************************************************
696 * NtAlertThread (NTDLL.@)
697 * ZwAlertThread (NTDLL.@)
698 */
699 NTSTATUS WINAPI NtAlertThread( HANDLE handle )
700 {
701 FIXME( "stub: %p\n", handle );
702 return STATUS_NOT_IMPLEMENTED;
703 }
704
705
706 /******************************************************************************
707 * NtTerminateThread (NTDLL.@)
708 * ZwTerminateThread (NTDLL.@)
709 */
710 NTSTATUS WINAPI NtTerminateThread( HANDLE handle, LONG exit_code )
711 {
712 NTSTATUS ret;
713 BOOL self, last;
714
715 SERVER_START_REQ( terminate_thread )
716 {
717 req->handle = handle;
718 req->exit_code = exit_code;
719 ret = wine_server_call( req );
720 self = !ret && reply->self;
721 last = reply->last;
722 }
723 SERVER_END_REQ;
724
725 if (self)
726 {
727 if (last) exit( exit_code );
728 else server_abort_thread( exit_code );
729 }
730 return ret;
731 }
732
733
734 /******************************************************************************
735 * NtQueueApcThread (NTDLL.@)
736 */
737 NTSTATUS WINAPI NtQueueApcThread( HANDLE handle, PNTAPCFUNC func, ULONG_PTR arg1,
738 ULONG_PTR arg2, ULONG_PTR arg3 )
739 {
740 NTSTATUS ret;
741 SERVER_START_REQ( queue_apc )
742 {
743 req->thread = handle;
744 if (func)
745 {
746 req->call.type = APC_USER;
747 req->call.user.func = func;
748 req->call.user.args[0] = arg1;
749 req->call.user.args[1] = arg2;
750 req->call.user.args[2] = arg3;
751 }
752 else req->call.type = APC_NONE; /* wake up only */
753 ret = wine_server_call( req );
754 }
755 SERVER_END_REQ;
756 return ret;
757 }
758
759
760 /***********************************************************************
761 * NtSetContextThread (NTDLL.@)
762 * ZwSetContextThread (NTDLL.@)
763 */
764 NTSTATUS WINAPI NtSetContextThread( HANDLE handle, const CONTEXT *context )
765 {
766 NTSTATUS ret;
767 DWORD dummy, i;
768 BOOL self = FALSE;
769
770 #ifdef __i386__
771 /* on i386 debug registers always require a server call */
772 self = (handle == GetCurrentThread());
773 if (self && (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386)))
774 {
775 struct ntdll_thread_regs * const regs = ntdll_get_thread_regs();
776 self = (regs->dr0 == context->Dr0 && regs->dr1 == context->Dr1 &&
777 regs->dr2 == context->Dr2 && regs->dr3 == context->Dr3 &&
778 regs->dr6 == context->Dr6 && regs->dr7 == context->Dr7);
779 }
780 #endif
781
782 if (!self)
783 {
784 SERVER_START_REQ( set_thread_context )
785 {
786 req->handle = handle;
787 req->flags = context->ContextFlags;
788 req->suspend = 0;
789 wine_server_add_data( req, context, sizeof(*context) );
790 ret = wine_server_call( req );
791 self = reply->self;
792 }
793 SERVER_END_REQ;
794
795 if (ret == STATUS_PENDING)
796 {
797 if (NtSuspendThread( handle, &dummy ) == STATUS_SUCCESS)
798 {
799 for (i = 0; i < 100; i++)
800 {
801 SERVER_START_REQ( set_thread_context )
802 {
803 req->handle = handle;
804 req->flags = context->ContextFlags;
805 req->suspend = 0;
806 wine_server_add_data( req, context, sizeof(*context) );
807 ret = wine_server_call( req );
808 }
809 SERVER_END_REQ;
810 if (ret == STATUS_PENDING)
811 {
812 LARGE_INTEGER timeout;
813 timeout.QuadPart = -10000;
814 NtDelayExecution( FALSE, &timeout );
815 }
816 else break;
817 }
818 NtResumeThread( handle, &dummy );
819 }
820 if (ret == STATUS_PENDING) ret = STATUS_ACCESS_DENIED;
821 }
822
823 if (ret) return ret;
824 }
825
826 if (self) set_cpu_context( context );
827 return STATUS_SUCCESS;
828 }
829
830
831 /* copy a context structure according to the flags */
832 static inline void copy_context( CONTEXT *to, const CONTEXT *from, DWORD flags )
833 {
834 #ifdef __i386__
835 flags &= ~CONTEXT_i386; /* get rid of CPU id */
836 if (flags & CONTEXT_INTEGER)
837 {
838 to->Eax = from->Eax;
839 to->Ebx = from->Ebx;
840 to->Ecx = from->Ecx;
841 to->Edx = from->Edx;
842 to->Esi = from->Esi;
843 to->Edi = from->Edi;
844 }
845 if (flags & CONTEXT_CONTROL)
846 {
847 to->Ebp = from->Ebp;
848 to->Esp = from->Esp;
849 to->Eip = from->Eip;
850 to->SegCs = from->SegCs;
851 to->SegSs = from->SegSs;
852 to->EFlags = from->EFlags;
853 }
854 if (flags & CONTEXT_SEGMENTS)
855 {
856 to->SegDs = from->SegDs;
857 to->SegEs = from->SegEs;
858 to->SegFs = from->SegFs;
859 to->SegGs = from->SegGs;
860 }
861 if (flags & CONTEXT_DEBUG_REGISTERS)
862 {
863 to->Dr0 = from->Dr0;
864 to->Dr1 = from->Dr1;
865 to->Dr2 = from->Dr2;
866 to->Dr3 = from->Dr3;
867 to->Dr6 = from->Dr6;
868 to->Dr7 = from->Dr7;
869 }
870 if (flags & CONTEXT_FLOATING_POINT)
871 {
872 to->FloatSave = from->FloatSave;
873 }
874 if (flags & CONTEXT_EXTENDED_REGISTERS)
875 {
876 memcpy( to->ExtendedRegisters, from->ExtendedRegisters, sizeof(to->ExtendedRegisters) );
877 }
878 #elif defined(__x86_64__)
879 flags &= ~CONTEXT_AMD64; /* get rid of CPU id */
880 if (flags & CONTEXT_CONTROL)
881 {
882 to->Rbp = from->Rbp;
883 to->Rip = from->Rip;
884 to->Rsp = from->Rsp;
885 to->SegCs = from->SegCs;
886 to->SegSs = from->SegSs;
887 to->EFlags = from->EFlags;
888 to->MxCsr = from->MxCsr;
889 }
890 if (flags & CONTEXT_INTEGER)
891 {
892 to->Rax = from->Rax;
893 to->Rcx = from->Rcx;
894 to->Rdx = from->Rdx;
895 to->Rbx = from->Rbx;
896 to->Rsi = from->Rsi;
897 to->Rdi = from->Rdi;
898 to->R8 = from->R8;
899 to->R9 = from->R9;
900 to->R10 = from->R10;
901 to->R11 = from->R11;
902 to->R12 = from->R12;
903 to->R13 = from->R13;
904 to->R14 = from->R14;
905 to->R15 = from->R15;
906 }
907 if (flags & CONTEXT_SEGMENTS)
908 {
909 to->SegDs = from->SegDs;
910 to->SegEs = from->SegEs;
911 to->SegFs = from->SegFs;
912 to->SegGs = from->SegGs;
913 }
914 if (flags & CONTEXT_FLOATING_POINT)
915 {
916 to->u.FltSave = from->u.FltSave;
917 }
918 if (flags & CONTEXT_DEBUG_REGISTERS)
919 {
920 to->Dr0 = from->Dr0;
921 to->Dr1 = from->Dr1;
922 to->Dr2 = from->Dr2;
923 to->Dr3 = from->Dr3;
924 to->Dr6 = from->Dr6;
925 to->Dr7 = from->Dr7;
926 }
927 #elif defined(__sparc__)
928 flags &= ~CONTEXT_SPARC; /* get rid of CPU id */
929 if (flags & CONTEXT_CONTROL)
930 {
931 to->psr = from->psr;
932 to->pc = from->pc;
933 to->npc = from->npc;
934 to->y = from->y;
935 to->wim = from->wim;
936 to->tbr = from->tbr;
937 }
938 if (flags & CONTEXT_INTEGER)
939 {
940 to->g0 = from->g0;
941 to->g1 = from->g1;
942 to->g2 = from->g2;
943 to->g3 = from->g3;
944 to->g4 = from->g4;
945 to->g5 = from->g5;
946 to->g6 = from->g6;
947 to->g7 = from->g7;
948 to->o0 = from->o0;
949 to->o1 = from->o1;
950 to->o2 = from->o2;
951 to->o3 = from->o3;
952 to->o4 = from->o4;
953 to->o5 = from->o5;
954 to->o6 = from->o6;
955 to->o7 = from->o7;
956 to->l0 = from->l0;
957 to->l1 = from->l1;
958 to->l2 = from->l2;
959 to->l3 = from->l3;
960 to->l4 = from->l4;
961 to->l5 = from->l5;
962 to->l6 = from->l6;
963 to->l7 = from->l7;
964 to->i0 = from->i0;
965 to->i1 = from->i1;
966 to->i2 = from->i2;
967 to->i3 = from->i3;
968 to->i4 = from->i4;
969 to->i5 = from->i5;
970 to->i6 = from->i6;
971 to->i7 = from->i7;
972 }
973 if (flags & CONTEXT_FLOATING_POINT)
974 {
975 /* FIXME */
976 }
977 #elif defined(__powerpc__)
978 /* Has no CPU id */
979 if (flags & CONTEXT_CONTROL)
980 {
981 to->Msr = from->Msr;
982 to->Ctr = from->Ctr;
983 to->Iar = from->Iar;
984 }
985 if (flags & CONTEXT_INTEGER)
986 {
987 to->Gpr0 = from->Gpr0;
988 to->Gpr1 = from->Gpr1;
989 to->Gpr2 = from->Gpr2;
990 to->Gpr3 = from->Gpr3;
991 to->Gpr4 = from->Gpr4;
992 to->Gpr5 = from->Gpr5;
993 to->Gpr6 = from->Gpr6;
994 to->Gpr7 = from->Gpr7;
995 to->Gpr8 = from->Gpr8;
996 to->Gpr9 = from->Gpr9;
997 to->Gpr10 = from->Gpr10;
998 to->Gpr11 = from->Gpr11;
999 to->Gpr12 = from->Gpr12;
1000 to->Gpr13 = from->Gpr13;
1001 to->Gpr14 = from->Gpr14;
1002 to->Gpr15 = from->Gpr15;
1003 to->Gpr16 = from->Gpr16;
1004 to->Gpr17 = from->Gpr17;
1005 to->Gpr18 = from->Gpr18;
1006 to->Gpr19 = from->Gpr19;
1007 to->Gpr20 = from->Gpr20;
1008 to->Gpr21 = from->Gpr21;
1009 to->Gpr22 = from->Gpr22;
1010 to->Gpr23 = from->Gpr23;
1011 to->Gpr24 = from->Gpr24;
1012 to->Gpr25 = from->Gpr25;
1013 to->Gpr26 = from->Gpr26;
1014 to->Gpr27 = from->Gpr27;
1015 to->Gpr28 = from->Gpr28;
1016 to->Gpr29 = from->Gpr29;
1017 to->Gpr30 = from->Gpr30;
1018 to->Gpr31 = from->Gpr31;
1019 to->Xer = from->Xer;
1020 to->Cr = from->Cr;
1021 }
1022 if (flags & CONTEXT_FLOATING_POINT)
1023 {
1024 to->Fpr0 = from->Fpr0;
1025 to->Fpr1 = from->Fpr1;
1026 to->Fpr2 = from->Fpr2;
1027 to->Fpr3 = from->Fpr3;
1028 to->Fpr4 = from->Fpr4;
1029 to->Fpr5 = from->Fpr5;
1030 to->Fpr6 = from->Fpr6;
1031 to->Fpr7 = from->Fpr7;
1032 to->Fpr8 = from->Fpr8;
1033 to->Fpr9 = from->Fpr9;
1034 to->Fpr10 = from->Fpr10;
1035 to->Fpr11 = from->Fpr11;
1036 to->Fpr12 = from->Fpr12;
1037 to->Fpr13 = from->Fpr13;
1038 to->Fpr14 = from->Fpr14;
1039 to->Fpr15 = from->Fpr15;
1040 to->Fpr16 = from->Fpr16;
1041 to->Fpr17 = from->Fpr17;
1042 to->Fpr18 = from->Fpr18;
1043 to->Fpr19 = from->Fpr19;
1044 to->Fpr20 = from->Fpr20;
1045 to->Fpr21 = from->Fpr21;
1046 to->Fpr22 = from->Fpr22;
1047 to->Fpr23 = from->Fpr23;
1048 to->Fpr24 = from->Fpr24;
1049 to->Fpr25 = from->Fpr25;
1050 to->Fpr26 = from->Fpr26;
1051 to->Fpr27 = from->Fpr27;
1052 to->Fpr28 = from->Fpr28;
1053 to->Fpr29 = from->Fpr29;
1054 to->Fpr30 = from->Fpr30;
1055 to->Fpr31 = from->Fpr31;
1056 to->Fpscr = from->Fpscr;
1057 }
1058 #else
1059 #error You must implement context copying for your CPU
1060 #endif
1061 }
1062
1063
1064 /***********************************************************************
1065 * NtGetContextThread (NTDLL.@)
1066 * ZwGetContextThread (NTDLL.@)
1067 */
1068 NTSTATUS WINAPI NtGetContextThread( HANDLE handle, CONTEXT *context )
1069 {
1070 NTSTATUS ret;
1071 CONTEXT ctx;
1072 DWORD dummy, i;
1073 DWORD needed_flags = context->ContextFlags;
1074 BOOL self = (handle == GetCurrentThread());
1075
1076 #ifdef __i386__
1077 /* on i386 debug registers always require a server call */
1078 if (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386)) self = FALSE;
1079 #endif
1080
1081 if (!self)
1082 {
1083 SERVER_START_REQ( get_thread_context )
1084 {
1085 req->handle = handle;
1086 req->flags = context->ContextFlags;
1087 req->suspend = 0;
1088 wine_server_set_reply( req, &ctx, sizeof(ctx) );
1089 ret = wine_server_call( req );
1090 self = reply->self;
1091 }
1092 SERVER_END_REQ;
1093
1094 if (ret == STATUS_PENDING)
1095 {
1096 if (NtSuspendThread( handle, &dummy ) == STATUS_SUCCESS)
1097 {
1098 for (i = 0; i < 100; i++)
1099 {
1100 SERVER_START_REQ( get_thread_context )
1101 {
1102 req->handle = handle;
1103 req->flags = context->ContextFlags;
1104 req->suspend = 0;
1105 wine_server_set_reply( req, &ctx, sizeof(ctx) );
1106 ret = wine_server_call( req );
1107 }
1108 SERVER_END_REQ;
1109 if (ret == STATUS_PENDING)
1110 {
1111 LARGE_INTEGER timeout;
1112 timeout.QuadPart = -10000;
1113 NtDelayExecution( FALSE, &timeout );
1114 }
1115 else break;
1116 }
1117 NtResumeThread( handle, &dummy );
1118 }
1119 if (ret == STATUS_PENDING) ret = STATUS_ACCESS_DENIED;
1120 }
1121 if (ret) return ret;
1122 copy_context( context, &ctx, context->ContextFlags & ctx.ContextFlags );
1123 needed_flags &= ~ctx.ContextFlags;
1124 }
1125
1126 if (self)
1127 {
1128 if (needed_flags)
1129 {
1130 get_cpu_context( &ctx );
1131 copy_context( context, &ctx, ctx.ContextFlags & needed_flags );
1132 }
1133 #ifdef __i386__
1134 /* update the cached version of the debug registers */
1135 if (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386))
1136 {
1137 struct ntdll_thread_regs * const regs = ntdll_get_thread_regs();
1138 regs->dr0 = context->Dr0;
1139 regs->dr1 = context->Dr1;
1140 regs->dr2 = context->Dr2;
1141 regs->dr3 = context->Dr3;
1142 regs->dr6 = context->Dr6;
1143 regs->dr7 = context->Dr7;
1144 }
1145 #endif
1146 }
1147 return STATUS_SUCCESS;
1148 }
1149
1150
1151 /******************************************************************************
1152 * NtQueryInformationThread (NTDLL.@)
1153 * ZwQueryInformationThread (NTDLL.@)
1154 */
1155 NTSTATUS WINAPI NtQueryInformationThread( HANDLE handle, THREADINFOCLASS class,
1156 void *data, ULONG length, ULONG *ret_len )
1157 {
1158 NTSTATUS status;
1159
1160 switch(class)
1161 {
1162 case ThreadBasicInformation:
1163 {
1164 THREAD_BASIC_INFORMATION info;
1165 const unsigned int affinity_mask = (1 << NtCurrentTeb()->Peb->NumberOfProcessors) - 1;
1166
1167 SERVER_START_REQ( get_thread_info )
1168 {
1169 req->handle = handle;
1170 req->tid_in = 0;
1171 if (!(status = wine_server_call( req )))
1172 {
1173 info.ExitStatus = reply->exit_code;
1174 info.TebBaseAddress = reply->teb;
1175 info.ClientId.UniqueProcess = ULongToHandle(reply->pid);
1176 info.ClientId.UniqueThread = ULongToHandle(reply->tid);
1177 info.AffinityMask = reply->affinity & affinity_mask;
1178 info.Priority = reply->priority;
1179 info.BasePriority = reply->priority; /* FIXME */
1180 }
1181 }
1182 SERVER_END_REQ;
1183 if (status == STATUS_SUCCESS)
1184 {
1185 if (data) memcpy( data, &info, min( length, sizeof(info) ));
1186 if (ret_len) *ret_len = min( length, sizeof(info) );
1187 }
1188 }
1189 return status;
1190 case ThreadTimes:
1191 {
1192 KERNEL_USER_TIMES kusrt;
1193 /* We need to do a server call to get the creation time or exit time */
1194 /* This works on any thread */
1195 SERVER_START_REQ( get_thread_info )
1196 {
1197 req->handle = handle;
1198 req->tid_in = 0;
1199 status = wine_server_call( req );
1200 if (status == STATUS_SUCCESS)
1201 {
1202 kusrt.CreateTime.QuadPart = reply->creation_time;
1203 kusrt.ExitTime.QuadPart = reply->exit_time;
1204 }
1205 }
1206 SERVER_END_REQ;
1207 if (status == STATUS_SUCCESS)
1208 {
1209 /* We call times(2) for kernel time or user time */
1210 /* We can only (portably) do this for the current thread */
1211 if (handle == GetCurrentThread())
1212 {
1213 struct tms time_buf;
1214 long clocks_per_sec = sysconf(_SC_CLK_TCK);
1215
1216 times(&time_buf);
1217 kusrt.KernelTime.QuadPart = (ULONGLONG)time_buf.tms_stime * 10000000 / clocks_per_sec;
1218 kusrt.UserTime.QuadPart = (ULONGLONG)time_buf.tms_utime * 10000000 / clocks_per_sec;
1219 }
1220 else
1221 {
1222 static BOOL reported = FALSE;
1223
1224 kusrt.KernelTime.QuadPart = 0;
1225 kusrt.UserTime.QuadPart = 0;
1226 if (reported)
1227 TRACE("Cannot get kerneltime or usertime of other threads\n");
1228 else
1229 {
1230 FIXME("Cannot get kerneltime or usertime of other threads\n");
1231 reported = TRUE;
1232 }
1233 }
1234 if (data) memcpy( data, &kusrt, min( length, sizeof(kusrt) ));
1235 if (ret_len) *ret_len = min( length, sizeof(kusrt) );
1236 }
1237 }
1238 return status;
1239 case ThreadDescriptorTableEntry:
1240 {
1241 #ifdef __i386__
1242 THREAD_DESCRIPTOR_INFORMATION* tdi = data;
1243 if (length < sizeof(*tdi))
1244 status = STATUS_INFO_LENGTH_MISMATCH;
1245 else if (!(tdi->Selector & 4)) /* GDT selector */
1246 {
1247 unsigned sel = tdi->Selector & ~3; /* ignore RPL */
1248 status = STATUS_SUCCESS;
1249 if (!sel) /* null selector */
1250 memset( &tdi->Entry, 0, sizeof(tdi->Entry) );
1251 else
1252 {
1253 tdi->Entry.BaseLow = 0;
1254 tdi->Entry.HighWord.Bits.BaseMid = 0;
1255 tdi->Entry.HighWord.Bits.BaseHi = 0;
1256 tdi->Entry.LimitLow = 0xffff;
1257 tdi->Entry.HighWord.Bits.LimitHi = 0xf;
1258 tdi->Entry.HighWord.Bits.Dpl = 3;
1259 tdi->Entry.HighWord.Bits.Sys = 0;
1260 tdi->Entry.HighWord.Bits.Pres = 1;
1261 tdi->Entry.HighWord.Bits.Granularity = 1;
1262 tdi->Entry.HighWord.Bits.Default_Big = 1;
1263 tdi->Entry.HighWord.Bits.Type = 0x12;
1264 /* it has to be one of the system GDT selectors */
1265 if (sel != (wine_get_ds() & ~3) && sel != (wine_get_ss() & ~3))
1266 {
1267 if (sel == (wine_get_cs() & ~3))
1268 tdi->Entry.HighWord.Bits.Type |= 8; /* code segment */
1269 else status = STATUS_ACCESS_DENIED;
1270 }
1271 }
1272 }
1273 else
1274 {
1275 SERVER_START_REQ( get_selector_entry )
1276 {
1277 req->handle = handle;
1278 req->entry = tdi->Selector >> 3;
1279 status = wine_server_call( req );
1280 if (!status)
1281 {
1282 if (!(reply->flags & WINE_LDT_FLAGS_ALLOCATED))
1283 status = STATUS_ACCESS_VIOLATION;
1284 else
1285 {
1286 wine_ldt_set_base ( &tdi->Entry, (void *)reply->base );
1287 wine_ldt_set_limit( &tdi->Entry, reply->limit );
1288 wine_ldt_set_flags( &tdi->Entry, reply->flags );
1289 }
1290 }
1291 }
1292 SERVER_END_REQ;
1293 }
1294 if (status == STATUS_SUCCESS && ret_len)
1295 /* yes, that's a bit strange, but it's the way it is */
1296 *ret_len = sizeof(LDT_ENTRY);
1297 #else
1298 status = STATUS_NOT_IMPLEMENTED;
1299 #endif
1300 return status;
1301 }
1302 case ThreadAmILastThread:
1303 {
1304 SERVER_START_REQ(get_thread_info)
1305 {
1306 req->handle = handle;
1307 req->tid_in = 0;
1308 status = wine_server_call( req );
1309 if (status == STATUS_SUCCESS)
1310 {
1311 BOOLEAN last = reply->last;
1312 if (data) memcpy( data, &last, min( length, sizeof(last) ));
1313 if (ret_len) *ret_len = min( length, sizeof(last) );
1314 }
1315 }
1316 SERVER_END_REQ;
1317 return status;
1318 }
1319 case ThreadPriority:
1320 case ThreadBasePriority:
1321 case ThreadAffinityMask:
1322 case ThreadImpersonationToken:
1323 case ThreadEnableAlignmentFaultFixup:
1324 case ThreadEventPair_Reusable:
1325 case ThreadQuerySetWin32StartAddress:
1326 case ThreadZeroTlsCell:
1327 case ThreadPerformanceCount:
1328 case ThreadIdealProcessor:
1329 case ThreadPriorityBoost:
1330 case ThreadSetTlsArrayAddress:
1331 case ThreadIsIoPending:
1332 default:
1333 FIXME( "info class %d not supported yet\n", class );
1334 return STATUS_NOT_IMPLEMENTED;
1335 }
1336 }
1337
1338
1339 /******************************************************************************
1340 * NtSetInformationThread (NTDLL.@)
1341 * ZwSetInformationThread (NTDLL.@)
1342 */
1343 NTSTATUS WINAPI NtSetInformationThread( HANDLE handle, THREADINFOCLASS class,
1344 LPCVOID data, ULONG length )
1345 {
1346 NTSTATUS status;
1347 switch(class)
1348 {
1349 case ThreadZeroTlsCell:
1350 if (handle == GetCurrentThread())
1351 {
1352 LIST_ENTRY *entry;
1353 DWORD index;
1354
1355 if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
1356 index = *(const DWORD *)data;
1357 if (index < TLS_MINIMUM_AVAILABLE)
1358 {
1359 RtlAcquirePebLock();
1360 for (entry = tls_links.Flink; entry != &tls_links; entry = entry->Flink)
1361 {
1362 TEB *teb = CONTAINING_RECORD(entry, TEB, TlsLinks);
1363 teb->TlsSlots[index] = 0;
1364 }
1365 RtlReleasePebLock();
1366 }
1367 else
1368 {
1369 index -= TLS_MINIMUM_AVAILABLE;
1370 if (index >= 8 * sizeof(NtCurrentTeb()->Peb->TlsExpansionBitmapBits))
1371 return STATUS_INVALID_PARAMETER;
1372 RtlAcquirePebLock();
1373 for (entry = tls_links.Flink; entry != &tls_links; entry = entry->Flink)
1374 {
1375 TEB *teb = CONTAINING_RECORD(entry, TEB, TlsLinks);
1376 if (teb->TlsExpansionSlots) teb->TlsExpansionSlots[index] = 0;
1377 }
1378 RtlReleasePebLock();
1379 }
1380 return STATUS_SUCCESS;
1381 }
1382 FIXME( "ZeroTlsCell not supported on other threads\n" );
1383 return STATUS_NOT_IMPLEMENTED;
1384
1385 case ThreadImpersonationToken:
1386 {
1387 const HANDLE *phToken = data;
1388 if (length != sizeof(HANDLE)) return STATUS_INVALID_PARAMETER;
1389 TRACE("Setting ThreadImpersonationToken handle to %p\n", *phToken );
1390 SERVER_START_REQ( set_thread_info )
1391 {
1392 req->handle = handle;
1393 req->token = *phToken;
1394 req->mask = SET_THREAD_INFO_TOKEN;
1395 status = wine_server_call( req );
1396 }
1397 SERVER_END_REQ;
1398 }
1399 return status;
1400 case ThreadBasePriority:
1401 {
1402 const DWORD *pprio = data;
1403 if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
1404 SERVER_START_REQ( set_thread_info )
1405 {
1406 req->handle = handle;
1407 req->priority = *pprio;
1408 req->mask = SET_THREAD_INFO_PRIORITY;
1409 status = wine_server_call( req );
1410 }
1411 SERVER_END_REQ;
1412 }
1413 return status;
1414 case ThreadAffinityMask:
1415 {
1416 const DWORD affinity_mask = (1 << NtCurrentTeb()->Peb->NumberOfProcessors) - 1;
1417 const DWORD *paff = data;
1418 if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
1419 if (*paff & ~affinity_mask) return STATUS_INVALID_PARAMETER;
1420 SERVER_START_REQ( set_thread_info )
1421 {
1422 req->handle = handle;
1423 req->affinity = *paff;
1424 req->mask = SET_THREAD_INFO_AFFINITY;
1425 status = wine_server_call( req );
1426 }
1427 SERVER_END_REQ;
1428 }
1429 return status;
1430 case ThreadBasicInformation:
1431 case ThreadTimes:
1432 case ThreadPriority:
1433 case ThreadDescriptorTableEntry:
1434 case ThreadEnableAlignmentFaultFixup:
1435 case ThreadEventPair_Reusable:
1436 case ThreadQuerySetWin32StartAddress:
1437 case ThreadPerformanceCount:
1438 case ThreadAmILastThread:
1439 case ThreadIdealProcessor:
1440 case ThreadPriorityBoost:
1441 case ThreadSetTlsArrayAddress:
1442 case ThreadIsIoPending:
1443 default:
1444 FIXME( "info class %d not supported yet\n", class );
1445 return STATUS_NOT_IMPLEMENTED;
1446 }
1447 }
1448
1449
1450 /**********************************************************************
1451 * NtCurrentTeb (NTDLL.@)
1452 */
1453 #if defined(__i386__) && defined(__GNUC__)
1454
1455 __ASM_GLOBAL_FUNC( NtCurrentTeb, ".byte 0x64\n\tmovl 0x18,%eax\n\tret" )
1456
1457 #elif defined(__i386__) && defined(_MSC_VER)
1458
1459 /* Nothing needs to be done. MS C "magically" exports the inline version from winnt.h */
1460
1461 #else
1462
1463 /**********************************************************************/
1464
1465 TEB * WINAPI NtCurrentTeb(void)
1466 {
1467 return pthread_functions.get_current_teb();
1468 }
1469
1470 #endif /* __i386__ */
Windows API implementation