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ntdll: Call pthread_sigmask directly instead of through the pthread function table.
[wine/hacks.git] / dlls / ntdll / thread.c
blob255c523633af436cd243939e83999284f2b04377
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_sigmask( 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_sigmask( 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 = wine_server_ptr_handle( reply->exe_file );
184 params->hStdInput = wine_server_ptr_handle( reply->hstdin );
185 params->hStdOutput = wine_server_ptr_handle( reply->hstdout );
186 params->hStdError = wine_server_ptr_handle( 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 (1U << sigstack_zero_bits < sigstack_total_size) sigstack_zero_bits++;
278 assert( 1U << 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 signal_init_thread( teb );
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( 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 pthread_init();
346 return exe_file;
347 }
348
349 #ifdef __i386__
350 /* wrapper for apps that don't declare the thread function correctly */
351 extern DWORD call_thread_entry_point( PRTL_THREAD_START_ROUTINE entry, void *arg );
352 __ASM_GLOBAL_FUNC(call_thread_entry_point,
353 "pushl %ebp\n\t"
354 "movl %esp,%ebp\n\t"
355 "subl $4,%esp\n\t"
356 "pushl 12(%ebp)\n\t"
357 "movl 8(%ebp),%eax\n\t"
358 "call *%eax\n\t"
359 "leave\n\t"
360 "ret" )
361 #else
362 static inline DWORD call_thread_entry_point( PRTL_THREAD_START_ROUTINE entry, void *arg )
363 {
364 LPTHREAD_START_ROUTINE func = (LPTHREAD_START_ROUTINE)entry;
365 return func( arg );
366 }
367 #endif
368
369 /***********************************************************************
370 * call_thread_func
371 *
372 * Hack to make things compatible with the thread procedures used by kernel32.CreateThread.
373 */
374 static void DECLSPEC_NORETURN call_thread_func( PRTL_THREAD_START_ROUTINE rtl_func, void *arg )
375 {
376 DWORD exit_code;
377 BOOL last;
378
379 MODULE_DllThreadAttach( NULL );
380
381 if (TRACE_ON(relay))
382 DPRINTF( "%04x:Starting thread proc %p (arg=%p)\n", GetCurrentThreadId(), rtl_func, arg );
383
384 exit_code = call_thread_entry_point( rtl_func, arg );
385
386 /* send the exit code to the server */
387 SERVER_START_REQ( terminate_thread )
388 {
389 req->handle = wine_server_obj_handle( GetCurrentThread() );
390 req->exit_code = exit_code;
391 wine_server_call( req );
392 last = reply->last;
393 }
394 SERVER_END_REQ;
395
396 if (last)
397 {
398 LdrShutdownProcess();
399 exit( exit_code );
400 }
401 else
402 {
403 LdrShutdownThread();
404 server_exit_thread( exit_code );
405 }
406 }
407
408
409 /***********************************************************************
410 * start_thread
411 *
412 * Startup routine for a newly created thread.
413 */
414 static void start_thread( struct wine_pthread_thread_info *info )
415 {
416 TEB *teb = info->teb_base;
417 struct ntdll_thread_data *thread_data = (struct ntdll_thread_data *)teb->SystemReserved2;
418 struct startup_info *startup_info = (struct startup_info *)info;
419 PRTL_THREAD_START_ROUTINE func = startup_info->entry_point;
420 void *arg = startup_info->entry_arg;
421 struct debug_info debug_info;
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 signal_init_thread( teb );
428 server_init_thread( func );
429 pthread_functions.init_thread( info );
430 virtual_alloc_thread_stack( info->stack_base, info->stack_size );
431 pthread_sigmask( SIG_UNBLOCK, &server_block_set, NULL );
432
433 RtlAcquirePebLock();
434 InsertHeadList( &tls_links, &teb->TlsLinks );
435 RtlReleasePebLock();
436
437 /* NOTE: Windows does not have an exception handler around the call to
438 * the thread attach. We do for ease of debugging */
439 if (unhandled_exception_filter)
440 {
441 __TRY
442 {
443 call_thread_func( func, arg );
444 }
445 __EXCEPT(unhandled_exception_filter)
446 {
447 NtTerminateThread( GetCurrentThread(), GetExceptionCode() );
448 }
449 __ENDTRY
450 }
451 else
452 call_thread_func( func, arg );
453 }
454
455
456 /***********************************************************************
457 * RtlCreateUserThread (NTDLL.@)
458 */
459 NTSTATUS WINAPI RtlCreateUserThread( HANDLE process, const SECURITY_DESCRIPTOR *descr,
460 BOOLEAN suspended, PVOID stack_addr,
461 SIZE_T stack_reserve, SIZE_T stack_commit,
462 PRTL_THREAD_START_ROUTINE start, void *param,
463 HANDLE *handle_ptr, CLIENT_ID *id )
464 {
465 sigset_t sigset;
466 struct ntdll_thread_data *thread_data = NULL;
467 struct ntdll_thread_regs *thread_regs;
468 struct startup_info *info = NULL;
469 void *addr = NULL;
470 HANDLE handle = 0;
471 TEB *teb;
472 DWORD tid = 0;
473 int request_pipe[2];
474 NTSTATUS status;
475 SIZE_T size, page_size = getpagesize();
476
477 if (process != NtCurrentProcess())
478 {
479 apc_call_t call;
480 apc_result_t result;
481
482 memset( &call, 0, sizeof(call) );
483
484 call.create_thread.type = APC_CREATE_THREAD;
485 call.create_thread.func = wine_server_client_ptr( start );
486 call.create_thread.arg = wine_server_client_ptr( param );
487 call.create_thread.reserve = stack_reserve;
488 call.create_thread.commit = stack_commit;
489 call.create_thread.suspend = suspended;
490 status = NTDLL_queue_process_apc( process, &call, &result );
491 if (status != STATUS_SUCCESS) return status;
492
493 if (result.create_thread.status == STATUS_SUCCESS)
494 {
495 if (id) id->UniqueThread = ULongToHandle(result.create_thread.tid);
496 if (handle_ptr) *handle_ptr = wine_server_ptr_handle( result.create_thread.handle );
497 else NtClose( wine_server_ptr_handle( result.create_thread.handle ));
498 }
499 return result.create_thread.status;
500 }
501
502 if (pipe( request_pipe ) == -1) return STATUS_TOO_MANY_OPENED_FILES;
503 fcntl( request_pipe[1], F_SETFD, 1 ); /* set close on exec flag */
504 wine_server_send_fd( request_pipe[0] );
505
506 SERVER_START_REQ( new_thread )
507 {
508 req->access = THREAD_ALL_ACCESS;
509 req->attributes = 0; /* FIXME */
510 req->suspend = suspended;
511 req->request_fd = request_pipe[0];
512 if (!(status = wine_server_call( req )))
513 {
514 handle = wine_server_ptr_handle( reply->handle );
515 tid = reply->tid;
516 }
517 close( request_pipe[0] );
518 }
519 SERVER_END_REQ;
520
521 if (status)
522 {
523 close( request_pipe[1] );
524 return status;
525 }
526
527 pthread_sigmask( SIG_BLOCK, &server_block_set, &sigset );
528
529 addr = NULL;
530 size = sigstack_total_size;
531 if ((status = NtAllocateVirtualMemory( NtCurrentProcess(), &addr, sigstack_zero_bits,
532 &size, MEM_COMMIT | MEM_TOP_DOWN, PAGE_READWRITE )))
533 goto error;
534 teb = addr;
535 teb->Peb = NtCurrentTeb()->Peb;
536 info = (struct startup_info *)(teb + 1);
537 info->pthread_info.teb_size = size;
538 if ((status = init_teb( teb ))) goto error;
539
540 teb->ClientId.UniqueProcess = ULongToHandle(GetCurrentProcessId());
541 teb->ClientId.UniqueThread = ULongToHandle(tid);
542
543 thread_data = (struct ntdll_thread_data *)teb->SystemReserved2;
544 thread_regs = (struct ntdll_thread_regs *)teb->SpareBytes1;
545 thread_data->request_fd = request_pipe[1];
546
547 info->pthread_info.teb_base = teb;
548 info->pthread_info.teb_sel = thread_data->fs;
549
550 /* inherit debug registers from parent thread */
551 thread_regs->dr0 = ntdll_get_thread_regs()->dr0;
552 thread_regs->dr1 = ntdll_get_thread_regs()->dr1;
553 thread_regs->dr2 = ntdll_get_thread_regs()->dr2;
554 thread_regs->dr3 = ntdll_get_thread_regs()->dr3;
555 thread_regs->dr6 = ntdll_get_thread_regs()->dr6;
556 thread_regs->dr7 = ntdll_get_thread_regs()->dr7;
557
558 if (!stack_reserve || !stack_commit)
559 {
560 IMAGE_NT_HEADERS *nt = RtlImageNtHeader( NtCurrentTeb()->Peb->ImageBaseAddress );
561 if (!stack_reserve) stack_reserve = nt->OptionalHeader.SizeOfStackReserve;
562 if (!stack_commit) stack_commit = nt->OptionalHeader.SizeOfStackCommit;
563 }
564 if (stack_reserve < stack_commit) stack_reserve = stack_commit;
565 stack_reserve += page_size; /* for the guard page */
566 stack_reserve = (stack_reserve + 0xffff) & ~0xffff; /* round to 64K boundary */
567 if (stack_reserve < 1024 * 1024) stack_reserve = 1024 * 1024; /* Xlib needs a large stack */
568
569 info->pthread_info.stack_base = NULL;
570 info->pthread_info.stack_size = stack_reserve;
571 info->pthread_info.entry = start_thread;
572 info->entry_point = start;
573 info->entry_arg = param;
574
575 if (pthread_functions.create_thread( &info->pthread_info ) == -1)
576 {
577 status = STATUS_NO_MEMORY;
578 goto error;
579 }
580 pthread_sigmask( SIG_SETMASK, &sigset, NULL );
581
582 if (id) id->UniqueThread = ULongToHandle(tid);
583 if (handle_ptr) *handle_ptr = handle;
584 else NtClose( handle );
585
586 return STATUS_SUCCESS;
587
588 error:
589 if (thread_data) wine_ldt_free_fs( thread_data->fs );
590 if (addr)
591 {
592 SIZE_T size = 0;
593 NtFreeVirtualMemory( NtCurrentProcess(), &addr, &size, MEM_RELEASE );
594 }
595 if (handle) NtClose( handle );
596 pthread_sigmask( SIG_SETMASK, &sigset, NULL );
597 close( request_pipe[1] );
598 return status;
599 }
600
601
602 /***********************************************************************
603 * RtlExitUserThread (NTDLL.@)
604 */
605 void WINAPI RtlExitUserThread( ULONG status )
606 {
607 BOOL last;
608
609 SERVER_START_REQ( terminate_thread )
610 {
611 /* send the exit code to the server */
612 req->handle = wine_server_obj_handle( GetCurrentThread() );
613 req->exit_code = status;
614 wine_server_call( req );
615 last = reply->last;
616 }
617 SERVER_END_REQ;
618
619 if (last)
620 {
621 LdrShutdownProcess();
622 exit( status );
623 }
624 else
625 {
626 LdrShutdownThread();
627 server_exit_thread( status );
628 }
629 }
630
631
632 /***********************************************************************
633 * NtOpenThread (NTDLL.@)
634 * ZwOpenThread (NTDLL.@)
635 */
636 NTSTATUS WINAPI NtOpenThread( HANDLE *handle, ACCESS_MASK access,
637 const OBJECT_ATTRIBUTES *attr, const CLIENT_ID *id )
638 {
639 NTSTATUS ret;
640
641 SERVER_START_REQ( open_thread )
642 {
643 req->tid = HandleToULong(id->UniqueThread);
644 req->access = access;
645 req->attributes = attr ? attr->Attributes : 0;
646 ret = wine_server_call( req );
647 *handle = wine_server_ptr_handle( reply->handle );
648 }
649 SERVER_END_REQ;
650 return ret;
651 }
652
653
654 /******************************************************************************
655 * NtSuspendThread (NTDLL.@)
656 * ZwSuspendThread (NTDLL.@)
657 */
658 NTSTATUS WINAPI NtSuspendThread( HANDLE handle, PULONG count )
659 {
660 NTSTATUS ret;
661
662 SERVER_START_REQ( suspend_thread )
663 {
664 req->handle = wine_server_obj_handle( handle );
665 if (!(ret = wine_server_call( req ))) *count = reply->count;
666 }
667 SERVER_END_REQ;
668 return ret;
669 }
670
671
672 /******************************************************************************
673 * NtResumeThread (NTDLL.@)
674 * ZwResumeThread (NTDLL.@)
675 */
676 NTSTATUS WINAPI NtResumeThread( HANDLE handle, PULONG count )
677 {
678 NTSTATUS ret;
679
680 SERVER_START_REQ( resume_thread )
681 {
682 req->handle = wine_server_obj_handle( handle );
683 if (!(ret = wine_server_call( req ))) *count = reply->count;
684 }
685 SERVER_END_REQ;
686 return ret;
687 }
688
689
690 /******************************************************************************
691 * NtAlertResumeThread (NTDLL.@)
692 * ZwAlertResumeThread (NTDLL.@)
693 */
694 NTSTATUS WINAPI NtAlertResumeThread( HANDLE handle, PULONG count )
695 {
696 FIXME( "stub: should alert thread %p\n", handle );
697 return NtResumeThread( handle, count );
698 }
699
700
701 /******************************************************************************
702 * NtAlertThread (NTDLL.@)
703 * ZwAlertThread (NTDLL.@)
704 */
705 NTSTATUS WINAPI NtAlertThread( HANDLE handle )
706 {
707 FIXME( "stub: %p\n", handle );
708 return STATUS_NOT_IMPLEMENTED;
709 }
710
711
712 /******************************************************************************
713 * NtTerminateThread (NTDLL.@)
714 * ZwTerminateThread (NTDLL.@)
715 */
716 NTSTATUS WINAPI NtTerminateThread( HANDLE handle, LONG exit_code )
717 {
718 NTSTATUS ret;
719 BOOL self, last;
720
721 SERVER_START_REQ( terminate_thread )
722 {
723 req->handle = wine_server_obj_handle( handle );
724 req->exit_code = exit_code;
725 ret = wine_server_call( req );
726 self = !ret && reply->self;
727 last = reply->last;
728 }
729 SERVER_END_REQ;
730
731 if (self)
732 {
733 if (last) exit( exit_code );
734 else server_abort_thread( exit_code );
735 }
736 return ret;
737 }
738
739
740 /******************************************************************************
741 * NtQueueApcThread (NTDLL.@)
742 */
743 NTSTATUS WINAPI NtQueueApcThread( HANDLE handle, PNTAPCFUNC func, ULONG_PTR arg1,
744 ULONG_PTR arg2, ULONG_PTR arg3 )
745 {
746 NTSTATUS ret;
747 SERVER_START_REQ( queue_apc )
748 {
749 req->handle = wine_server_obj_handle( handle );
750 if (func)
751 {
752 req->call.type = APC_USER;
753 req->call.user.func = wine_server_client_ptr( func );
754 req->call.user.args[0] = arg1;
755 req->call.user.args[1] = arg2;
756 req->call.user.args[2] = arg3;
757 }
758 else req->call.type = APC_NONE; /* wake up only */
759 ret = wine_server_call( req );
760 }
761 SERVER_END_REQ;
762 return ret;
763 }
764
765
766 /***********************************************************************
767 * NtSetContextThread (NTDLL.@)
768 * ZwSetContextThread (NTDLL.@)
769 */
770 NTSTATUS WINAPI NtSetContextThread( HANDLE handle, const CONTEXT *context )
771 {
772 NTSTATUS ret;
773 DWORD dummy, i;
774 BOOL self = FALSE;
775
776 #ifdef __i386__
777 /* on i386 debug registers always require a server call */
778 self = (handle == GetCurrentThread());
779 if (self && (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386)))
780 {
781 struct ntdll_thread_regs * const regs = ntdll_get_thread_regs();
782 self = (regs->dr0 == context->Dr0 && regs->dr1 == context->Dr1 &&
783 regs->dr2 == context->Dr2 && regs->dr3 == context->Dr3 &&
784 regs->dr6 == context->Dr6 && regs->dr7 == context->Dr7);
785 }
786 #endif
787
788 if (!self)
789 {
790 SERVER_START_REQ( set_thread_context )
791 {
792 req->handle = wine_server_obj_handle( handle );
793 req->flags = context->ContextFlags;
794 req->suspend = 0;
795 wine_server_add_data( req, context, sizeof(*context) );
796 ret = wine_server_call( req );
797 self = reply->self;
798 }
799 SERVER_END_REQ;
800
801 if (ret == STATUS_PENDING)
802 {
803 if (NtSuspendThread( handle, &dummy ) == STATUS_SUCCESS)
804 {
805 for (i = 0; i < 100; i++)
806 {
807 SERVER_START_REQ( set_thread_context )
808 {
809 req->handle = wine_server_obj_handle( handle );
810 req->flags = context->ContextFlags;
811 req->suspend = 0;
812 wine_server_add_data( req, context, sizeof(*context) );
813 ret = wine_server_call( req );
814 }
815 SERVER_END_REQ;
816 if (ret == STATUS_PENDING)
817 {
818 LARGE_INTEGER timeout;
819 timeout.QuadPart = -10000;
820 NtDelayExecution( FALSE, &timeout );
821 }
822 else break;
823 }
824 NtResumeThread( handle, &dummy );
825 }
826 if (ret == STATUS_PENDING) ret = STATUS_ACCESS_DENIED;
827 }
828
829 if (ret) return ret;
830 }
831
832 if (self) set_cpu_context( context );
833 return STATUS_SUCCESS;
834 }
835
836
837 /* copy a context structure according to the flags */
838 static inline void copy_context( CONTEXT *to, const CONTEXT *from, DWORD flags )
839 {
840 #ifdef __i386__
841 flags &= ~CONTEXT_i386; /* get rid of CPU id */
842 if (flags & CONTEXT_INTEGER)
843 {
844 to->Eax = from->Eax;
845 to->Ebx = from->Ebx;
846 to->Ecx = from->Ecx;
847 to->Edx = from->Edx;
848 to->Esi = from->Esi;
849 to->Edi = from->Edi;
850 }
851 if (flags & CONTEXT_CONTROL)
852 {
853 to->Ebp = from->Ebp;
854 to->Esp = from->Esp;
855 to->Eip = from->Eip;
856 to->SegCs = from->SegCs;
857 to->SegSs = from->SegSs;
858 to->EFlags = from->EFlags;
859 }
860 if (flags & CONTEXT_SEGMENTS)
861 {
862 to->SegDs = from->SegDs;
863 to->SegEs = from->SegEs;
864 to->SegFs = from->SegFs;
865 to->SegGs = from->SegGs;
866 }
867 if (flags & CONTEXT_DEBUG_REGISTERS)
868 {
869 to->Dr0 = from->Dr0;
870 to->Dr1 = from->Dr1;
871 to->Dr2 = from->Dr2;
872 to->Dr3 = from->Dr3;
873 to->Dr6 = from->Dr6;
874 to->Dr7 = from->Dr7;
875 }
876 if (flags & CONTEXT_FLOATING_POINT)
877 {
878 to->FloatSave = from->FloatSave;
879 }
880 if (flags & CONTEXT_EXTENDED_REGISTERS)
881 {
882 memcpy( to->ExtendedRegisters, from->ExtendedRegisters, sizeof(to->ExtendedRegisters) );
883 }
884 #elif defined(__x86_64__)
885 flags &= ~CONTEXT_AMD64; /* get rid of CPU id */
886 if (flags & CONTEXT_CONTROL)
887 {
888 to->Rbp = from->Rbp;
889 to->Rip = from->Rip;
890 to->Rsp = from->Rsp;
891 to->SegCs = from->SegCs;
892 to->SegSs = from->SegSs;
893 to->EFlags = from->EFlags;
894 to->MxCsr = from->MxCsr;
895 }
896 if (flags & CONTEXT_INTEGER)
897 {
898 to->Rax = from->Rax;
899 to->Rcx = from->Rcx;
900 to->Rdx = from->Rdx;
901 to->Rbx = from->Rbx;
902 to->Rsi = from->Rsi;
903 to->Rdi = from->Rdi;
904 to->R8 = from->R8;
905 to->R9 = from->R9;
906 to->R10 = from->R10;
907 to->R11 = from->R11;
908 to->R12 = from->R12;
909 to->R13 = from->R13;
910 to->R14 = from->R14;
911 to->R15 = from->R15;
912 }
913 if (flags & CONTEXT_SEGMENTS)
914 {
915 to->SegDs = from->SegDs;
916 to->SegEs = from->SegEs;
917 to->SegFs = from->SegFs;
918 to->SegGs = from->SegGs;
919 }
920 if (flags & CONTEXT_FLOATING_POINT)
921 {
922 to->u.FltSave = from->u.FltSave;
923 }
924 if (flags & CONTEXT_DEBUG_REGISTERS)
925 {
926 to->Dr0 = from->Dr0;
927 to->Dr1 = from->Dr1;
928 to->Dr2 = from->Dr2;
929 to->Dr3 = from->Dr3;
930 to->Dr6 = from->Dr6;
931 to->Dr7 = from->Dr7;
932 }
933 #elif defined(__sparc__)
934 flags &= ~CONTEXT_SPARC; /* get rid of CPU id */
935 if (flags & CONTEXT_CONTROL)
936 {
937 to->psr = from->psr;
938 to->pc = from->pc;
939 to->npc = from->npc;
940 to->y = from->y;
941 to->wim = from->wim;
942 to->tbr = from->tbr;
943 }
944 if (flags & CONTEXT_INTEGER)
945 {
946 to->g0 = from->g0;
947 to->g1 = from->g1;
948 to->g2 = from->g2;
949 to->g3 = from->g3;
950 to->g4 = from->g4;
951 to->g5 = from->g5;
952 to->g6 = from->g6;
953 to->g7 = from->g7;
954 to->o0 = from->o0;
955 to->o1 = from->o1;
956 to->o2 = from->o2;
957 to->o3 = from->o3;
958 to->o4 = from->o4;
959 to->o5 = from->o5;
960 to->o6 = from->o6;
961 to->o7 = from->o7;
962 to->l0 = from->l0;
963 to->l1 = from->l1;
964 to->l2 = from->l2;
965 to->l3 = from->l3;
966 to->l4 = from->l4;
967 to->l5 = from->l5;
968 to->l6 = from->l6;
969 to->l7 = from->l7;
970 to->i0 = from->i0;
971 to->i1 = from->i1;
972 to->i2 = from->i2;
973 to->i3 = from->i3;
974 to->i4 = from->i4;
975 to->i5 = from->i5;
976 to->i6 = from->i6;
977 to->i7 = from->i7;
978 }
979 if (flags & CONTEXT_FLOATING_POINT)
980 {
981 /* FIXME */
982 }
983 #elif defined(__powerpc__)
984 /* Has no CPU id */
985 if (flags & CONTEXT_CONTROL)
986 {
987 to->Msr = from->Msr;
988 to->Ctr = from->Ctr;
989 to->Iar = from->Iar;
990 }
991 if (flags & CONTEXT_INTEGER)
992 {
993 to->Gpr0 = from->Gpr0;
994 to->Gpr1 = from->Gpr1;
995 to->Gpr2 = from->Gpr2;
996 to->Gpr3 = from->Gpr3;
997 to->Gpr4 = from->Gpr4;
998 to->Gpr5 = from->Gpr5;
999 to->Gpr6 = from->Gpr6;
1000 to->Gpr7 = from->Gpr7;
1001 to->Gpr8 = from->Gpr8;
1002 to->Gpr9 = from->Gpr9;
1003 to->Gpr10 = from->Gpr10;
1004 to->Gpr11 = from->Gpr11;
1005 to->Gpr12 = from->Gpr12;
1006 to->Gpr13 = from->Gpr13;
1007 to->Gpr14 = from->Gpr14;
1008 to->Gpr15 = from->Gpr15;
1009 to->Gpr16 = from->Gpr16;
1010 to->Gpr17 = from->Gpr17;
1011 to->Gpr18 = from->Gpr18;
1012 to->Gpr19 = from->Gpr19;
1013 to->Gpr20 = from->Gpr20;
1014 to->Gpr21 = from->Gpr21;
1015 to->Gpr22 = from->Gpr22;
1016 to->Gpr23 = from->Gpr23;
1017 to->Gpr24 = from->Gpr24;
1018 to->Gpr25 = from->Gpr25;
1019 to->Gpr26 = from->Gpr26;
1020 to->Gpr27 = from->Gpr27;
1021 to->Gpr28 = from->Gpr28;
1022 to->Gpr29 = from->Gpr29;
1023 to->Gpr30 = from->Gpr30;
1024 to->Gpr31 = from->Gpr31;
1025 to->Xer = from->Xer;
1026 to->Cr = from->Cr;
1027 }
1028 if (flags & CONTEXT_FLOATING_POINT)
1029 {
1030 to->Fpr0 = from->Fpr0;
1031 to->Fpr1 = from->Fpr1;
1032 to->Fpr2 = from->Fpr2;
1033 to->Fpr3 = from->Fpr3;
1034 to->Fpr4 = from->Fpr4;
1035 to->Fpr5 = from->Fpr5;
1036 to->Fpr6 = from->Fpr6;
1037 to->Fpr7 = from->Fpr7;
1038 to->Fpr8 = from->Fpr8;
1039 to->Fpr9 = from->Fpr9;
1040 to->Fpr10 = from->Fpr10;
1041 to->Fpr11 = from->Fpr11;
1042 to->Fpr12 = from->Fpr12;
1043 to->Fpr13 = from->Fpr13;
1044 to->Fpr14 = from->Fpr14;
1045 to->Fpr15 = from->Fpr15;
1046 to->Fpr16 = from->Fpr16;
1047 to->Fpr17 = from->Fpr17;
1048 to->Fpr18 = from->Fpr18;
1049 to->Fpr19 = from->Fpr19;
1050 to->Fpr20 = from->Fpr20;
1051 to->Fpr21 = from->Fpr21;
1052 to->Fpr22 = from->Fpr22;
1053 to->Fpr23 = from->Fpr23;
1054 to->Fpr24 = from->Fpr24;
1055 to->Fpr25 = from->Fpr25;
1056 to->Fpr26 = from->Fpr26;
1057 to->Fpr27 = from->Fpr27;
1058 to->Fpr28 = from->Fpr28;
1059 to->Fpr29 = from->Fpr29;
1060 to->Fpr30 = from->Fpr30;
1061 to->Fpr31 = from->Fpr31;
1062 to->Fpscr = from->Fpscr;
1063 }
1064 #else
1065 #error You must implement context copying for your CPU
1066 #endif
1067 }
1068
1069
1070 /***********************************************************************
1071 * NtGetContextThread (NTDLL.@)
1072 * ZwGetContextThread (NTDLL.@)
1073 */
1074 NTSTATUS WINAPI NtGetContextThread( HANDLE handle, CONTEXT *context )
1075 {
1076 NTSTATUS ret;
1077 CONTEXT ctx;
1078 DWORD dummy, i;
1079 DWORD needed_flags = context->ContextFlags;
1080 BOOL self = (handle == GetCurrentThread());
1081
1082 #ifdef __i386__
1083 /* on i386 debug registers always require a server call */
1084 if (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386)) self = FALSE;
1085 #endif
1086
1087 if (!self)
1088 {
1089 SERVER_START_REQ( get_thread_context )
1090 {
1091 req->handle = wine_server_obj_handle( handle );
1092 req->flags = context->ContextFlags;
1093 req->suspend = 0;
1094 wine_server_set_reply( req, &ctx, sizeof(ctx) );
1095 ret = wine_server_call( req );
1096 self = reply->self;
1097 }
1098 SERVER_END_REQ;
1099
1100 if (ret == STATUS_PENDING)
1101 {
1102 if (NtSuspendThread( handle, &dummy ) == STATUS_SUCCESS)
1103 {
1104 for (i = 0; i < 100; i++)
1105 {
1106 SERVER_START_REQ( get_thread_context )
1107 {
1108 req->handle = wine_server_obj_handle( handle );
1109 req->flags = context->ContextFlags;
1110 req->suspend = 0;
1111 wine_server_set_reply( req, &ctx, sizeof(ctx) );
1112 ret = wine_server_call( req );
1113 }
1114 SERVER_END_REQ;
1115 if (ret == STATUS_PENDING)
1116 {
1117 LARGE_INTEGER timeout;
1118 timeout.QuadPart = -10000;
1119 NtDelayExecution( FALSE, &timeout );
1120 }
1121 else break;
1122 }
1123 NtResumeThread( handle, &dummy );
1124 }
1125 if (ret == STATUS_PENDING) ret = STATUS_ACCESS_DENIED;
1126 }
1127 if (ret) return ret;
1128 copy_context( context, &ctx, context->ContextFlags & ctx.ContextFlags );
1129 needed_flags &= ~ctx.ContextFlags;
1130 }
1131
1132 if (self)
1133 {
1134 if (needed_flags)
1135 {
1136 RtlCaptureContext( &ctx );
1137 copy_context( context, &ctx, ctx.ContextFlags & needed_flags );
1138 }
1139 #ifdef __i386__
1140 /* update the cached version of the debug registers */
1141 if (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386))
1142 {
1143 struct ntdll_thread_regs * const regs = ntdll_get_thread_regs();
1144 regs->dr0 = context->Dr0;
1145 regs->dr1 = context->Dr1;
1146 regs->dr2 = context->Dr2;
1147 regs->dr3 = context->Dr3;
1148 regs->dr6 = context->Dr6;
1149 regs->dr7 = context->Dr7;
1150 }
1151 #endif
1152 }
1153 return STATUS_SUCCESS;
1154 }
1155
1156
1157 /******************************************************************************
1158 * NtQueryInformationThread (NTDLL.@)
1159 * ZwQueryInformationThread (NTDLL.@)
1160 */
1161 NTSTATUS WINAPI NtQueryInformationThread( HANDLE handle, THREADINFOCLASS class,
1162 void *data, ULONG length, ULONG *ret_len )
1163 {
1164 NTSTATUS status;
1165
1166 switch(class)
1167 {
1168 case ThreadBasicInformation:
1169 {
1170 THREAD_BASIC_INFORMATION info;
1171 const ULONG_PTR affinity_mask = ((ULONG_PTR)1 << NtCurrentTeb()->Peb->NumberOfProcessors) - 1;
1172
1173 SERVER_START_REQ( get_thread_info )
1174 {
1175 req->handle = wine_server_obj_handle( handle );
1176 req->tid_in = 0;
1177 if (!(status = wine_server_call( req )))
1178 {
1179 info.ExitStatus = reply->exit_code;
1180 info.TebBaseAddress = wine_server_get_ptr( reply->teb );
1181 info.ClientId.UniqueProcess = ULongToHandle(reply->pid);
1182 info.ClientId.UniqueThread = ULongToHandle(reply->tid);
1183 info.AffinityMask = reply->affinity & affinity_mask;
1184 info.Priority = reply->priority;
1185 info.BasePriority = reply->priority; /* FIXME */
1186 }
1187 }
1188 SERVER_END_REQ;
1189 if (status == STATUS_SUCCESS)
1190 {
1191 if (data) memcpy( data, &info, min( length, sizeof(info) ));
1192 if (ret_len) *ret_len = min( length, sizeof(info) );
1193 }
1194 }
1195 return status;
1196 case ThreadAffinityMask:
1197 {
1198 const ULONG_PTR affinity_mask = ((ULONG_PTR)1 << NtCurrentTeb()->Peb->NumberOfProcessors) - 1;
1199 ULONG_PTR affinity = 0;
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 = 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 ThreadTimes:
1217 {
1218 KERNEL_USER_TIMES kusrt;
1219 /* We need to do a server call to get the creation time or exit time */
1220 /* This works on any thread */
1221 SERVER_START_REQ( get_thread_info )
1222 {
1223 req->handle = wine_server_obj_handle( handle );
1224 req->tid_in = 0;
1225 status = wine_server_call( req );
1226 if (status == STATUS_SUCCESS)
1227 {
1228 kusrt.CreateTime.QuadPart = reply->creation_time;
1229 kusrt.ExitTime.QuadPart = reply->exit_time;
1230 }
1231 }
1232 SERVER_END_REQ;
1233 if (status == STATUS_SUCCESS)
1234 {
1235 /* We call times(2) for kernel time or user time */
1236 /* We can only (portably) do this for the current thread */
1237 if (handle == GetCurrentThread())
1238 {
1239 struct tms time_buf;
1240 long clocks_per_sec = sysconf(_SC_CLK_TCK);
1241
1242 times(&time_buf);
1243 kusrt.KernelTime.QuadPart = (ULONGLONG)time_buf.tms_stime * 10000000 / clocks_per_sec;
1244 kusrt.UserTime.QuadPart = (ULONGLONG)time_buf.tms_utime * 10000000 / clocks_per_sec;
1245 }
1246 else
1247 {
1248 static BOOL reported = FALSE;
1249
1250 kusrt.KernelTime.QuadPart = 0;
1251 kusrt.UserTime.QuadPart = 0;
1252 if (reported)
1253 TRACE("Cannot get kerneltime or usertime of other threads\n");
1254 else
1255 {
1256 FIXME("Cannot get kerneltime or usertime of other threads\n");
1257 reported = TRUE;
1258 }
1259 }
1260 if (data) memcpy( data, &kusrt, min( length, sizeof(kusrt) ));
1261 if (ret_len) *ret_len = min( length, sizeof(kusrt) );
1262 }
1263 }
1264 return status;
1265 case ThreadDescriptorTableEntry:
1266 {
1267 #ifdef __i386__
1268 THREAD_DESCRIPTOR_INFORMATION* tdi = data;
1269 if (length < sizeof(*tdi))
1270 status = STATUS_INFO_LENGTH_MISMATCH;
1271 else if (!(tdi->Selector & 4)) /* GDT selector */
1272 {
1273 unsigned sel = tdi->Selector & ~3; /* ignore RPL */
1274 status = STATUS_SUCCESS;
1275 if (!sel) /* null selector */
1276 memset( &tdi->Entry, 0, sizeof(tdi->Entry) );
1277 else
1278 {
1279 tdi->Entry.BaseLow = 0;
1280 tdi->Entry.HighWord.Bits.BaseMid = 0;
1281 tdi->Entry.HighWord.Bits.BaseHi = 0;
1282 tdi->Entry.LimitLow = 0xffff;
1283 tdi->Entry.HighWord.Bits.LimitHi = 0xf;
1284 tdi->Entry.HighWord.Bits.Dpl = 3;
1285 tdi->Entry.HighWord.Bits.Sys = 0;
1286 tdi->Entry.HighWord.Bits.Pres = 1;
1287 tdi->Entry.HighWord.Bits.Granularity = 1;
1288 tdi->Entry.HighWord.Bits.Default_Big = 1;
1289 tdi->Entry.HighWord.Bits.Type = 0x12;
1290 /* it has to be one of the system GDT selectors */
1291 if (sel != (wine_get_ds() & ~3) && sel != (wine_get_ss() & ~3))
1292 {
1293 if (sel == (wine_get_cs() & ~3))
1294 tdi->Entry.HighWord.Bits.Type |= 8; /* code segment */
1295 else status = STATUS_ACCESS_DENIED;
1296 }
1297 }
1298 }
1299 else
1300 {
1301 SERVER_START_REQ( get_selector_entry )
1302 {
1303 req->handle = wine_server_obj_handle( handle );
1304 req->entry = tdi->Selector >> 3;
1305 status = wine_server_call( req );
1306 if (!status)
1307 {
1308 if (!(reply->flags & WINE_LDT_FLAGS_ALLOCATED))
1309 status = STATUS_ACCESS_VIOLATION;
1310 else
1311 {
1312 wine_ldt_set_base ( &tdi->Entry, (void *)reply->base );
1313 wine_ldt_set_limit( &tdi->Entry, reply->limit );
1314 wine_ldt_set_flags( &tdi->Entry, reply->flags );
1315 }
1316 }
1317 }
1318 SERVER_END_REQ;
1319 }
1320 if (status == STATUS_SUCCESS && ret_len)
1321 /* yes, that's a bit strange, but it's the way it is */
1322 *ret_len = sizeof(LDT_ENTRY);
1323 #else
1324 status = STATUS_NOT_IMPLEMENTED;
1325 #endif
1326 return status;
1327 }
1328 case ThreadAmILastThread:
1329 {
1330 SERVER_START_REQ(get_thread_info)
1331 {
1332 req->handle = wine_server_obj_handle( handle );
1333 req->tid_in = 0;
1334 status = wine_server_call( req );
1335 if (status == STATUS_SUCCESS)
1336 {
1337 BOOLEAN last = reply->last;
1338 if (data) memcpy( data, &last, min( length, sizeof(last) ));
1339 if (ret_len) *ret_len = min( length, sizeof(last) );
1340 }
1341 }
1342 SERVER_END_REQ;
1343 return status;
1344 }
1345 case ThreadPriority:
1346 case ThreadBasePriority:
1347 case ThreadImpersonationToken:
1348 case ThreadEnableAlignmentFaultFixup:
1349 case ThreadEventPair_Reusable:
1350 case ThreadQuerySetWin32StartAddress:
1351 case ThreadZeroTlsCell:
1352 case ThreadPerformanceCount:
1353 case ThreadIdealProcessor:
1354 case ThreadPriorityBoost:
1355 case ThreadSetTlsArrayAddress:
1356 case ThreadIsIoPending:
1357 default:
1358 FIXME( "info class %d not supported yet\n", class );
1359 return STATUS_NOT_IMPLEMENTED;
1360 }
1361 }
1362
1363
1364 /******************************************************************************
1365 * NtSetInformationThread (NTDLL.@)
1366 * ZwSetInformationThread (NTDLL.@)
1367 */
1368 NTSTATUS WINAPI NtSetInformationThread( HANDLE handle, THREADINFOCLASS class,
1369 LPCVOID data, ULONG length )
1370 {
1371 NTSTATUS status;
1372 switch(class)
1373 {
1374 case ThreadZeroTlsCell:
1375 if (handle == GetCurrentThread())
1376 {
1377 LIST_ENTRY *entry;
1378 DWORD index;
1379
1380 if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
1381 index = *(const DWORD *)data;
1382 if (index < TLS_MINIMUM_AVAILABLE)
1383 {
1384 RtlAcquirePebLock();
1385 for (entry = tls_links.Flink; entry != &tls_links; entry = entry->Flink)
1386 {
1387 TEB *teb = CONTAINING_RECORD(entry, TEB, TlsLinks);
1388 teb->TlsSlots[index] = 0;
1389 }
1390 RtlReleasePebLock();
1391 }
1392 else
1393 {
1394 index -= TLS_MINIMUM_AVAILABLE;
1395 if (index >= 8 * sizeof(NtCurrentTeb()->Peb->TlsExpansionBitmapBits))
1396 return STATUS_INVALID_PARAMETER;
1397 RtlAcquirePebLock();
1398 for (entry = tls_links.Flink; entry != &tls_links; entry = entry->Flink)
1399 {
1400 TEB *teb = CONTAINING_RECORD(entry, TEB, TlsLinks);
1401 if (teb->TlsExpansionSlots) teb->TlsExpansionSlots[index] = 0;
1402 }
1403 RtlReleasePebLock();
1404 }
1405 return STATUS_SUCCESS;
1406 }
1407 FIXME( "ZeroTlsCell not supported on other threads\n" );
1408 return STATUS_NOT_IMPLEMENTED;
1409
1410 case ThreadImpersonationToken:
1411 {
1412 const HANDLE *phToken = data;
1413 if (length != sizeof(HANDLE)) return STATUS_INVALID_PARAMETER;
1414 TRACE("Setting ThreadImpersonationToken handle to %p\n", *phToken );
1415 SERVER_START_REQ( set_thread_info )
1416 {
1417 req->handle = wine_server_obj_handle( handle );
1418 req->token = wine_server_obj_handle( *phToken );
1419 req->mask = SET_THREAD_INFO_TOKEN;
1420 status = wine_server_call( req );
1421 }
1422 SERVER_END_REQ;
1423 }
1424 return status;
1425 case ThreadBasePriority:
1426 {
1427 const DWORD *pprio = data;
1428 if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
1429 SERVER_START_REQ( set_thread_info )
1430 {
1431 req->handle = wine_server_obj_handle( handle );
1432 req->priority = *pprio;
1433 req->mask = SET_THREAD_INFO_PRIORITY;
1434 status = wine_server_call( req );
1435 }
1436 SERVER_END_REQ;
1437 }
1438 return status;
1439 case ThreadAffinityMask:
1440 {
1441 const ULONG_PTR affinity_mask = ((ULONG_PTR)1 << NtCurrentTeb()->Peb->NumberOfProcessors) - 1;
1442 const ULONG_PTR *paff = data;
1443 if (length != sizeof(ULONG_PTR)) return STATUS_INVALID_PARAMETER;
1444 if (*paff & ~affinity_mask) return STATUS_INVALID_PARAMETER;
1445 SERVER_START_REQ( set_thread_info )
1446 {
1447 req->handle = wine_server_obj_handle( handle );
1448 req->affinity = *paff;
1449 req->mask = SET_THREAD_INFO_AFFINITY;
1450 status = wine_server_call( req );
1451 }
1452 SERVER_END_REQ;
1453 }
1454 return status;
1455 case ThreadBasicInformation:
1456 case ThreadTimes:
1457 case ThreadPriority:
1458 case ThreadDescriptorTableEntry:
1459 case ThreadEnableAlignmentFaultFixup:
1460 case ThreadEventPair_Reusable:
1461 case ThreadQuerySetWin32StartAddress:
1462 case ThreadPerformanceCount:
1463 case ThreadAmILastThread:
1464 case ThreadIdealProcessor:
1465 case ThreadPriorityBoost:
1466 case ThreadSetTlsArrayAddress:
1467 case ThreadIsIoPending:
1468 default:
1469 FIXME( "info class %d not supported yet\n", class );
1470 return STATUS_NOT_IMPLEMENTED;
1471 }
1472 }
useful hacks and other patches not (yet) suitable for mainline