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crypt32: Fix some chain failures on Win9x/NT4.
[wine/multimedia.git] / dlls / ntdll / thread.c
blob9411db1087816071798ceb057d262da2f474f9d2
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
422 debug_info.str_pos = debug_info.strings;
423 debug_info.out_pos = debug_info.output;
424 thread_data->debug_info = &debug_info;
425
426 pthread_functions.init_current_teb( info );
427 signal_init_thread();
428 server_init_thread( info->pid, info->tid, func );
429 pthread_functions.init_thread( info );
430 virtual_alloc_thread_stack( info->stack_base, info->stack_size );
431 pthread_functions.sigprocmask( 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 = start;
486 call.create_thread.arg = 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 = result.create_thread.handle;
497 else NtClose( 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 = 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_functions.sigprocmask( 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_functions.sigprocmask( 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_functions.sigprocmask( 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 LdrShutdownThread();
608 server_exit_thread( status );
609 }
610
611
612 /***********************************************************************
613 * NtOpenThread (NTDLL.@)
614 * ZwOpenThread (NTDLL.@)
615 */
616 NTSTATUS WINAPI NtOpenThread( HANDLE *handle, ACCESS_MASK access,
617 const OBJECT_ATTRIBUTES *attr, const CLIENT_ID *id )
618 {
619 NTSTATUS ret;
620
621 SERVER_START_REQ( open_thread )
622 {
623 req->tid = HandleToULong(id->UniqueThread);
624 req->access = access;
625 req->attributes = attr ? attr->Attributes : 0;
626 ret = wine_server_call( req );
627 *handle = reply->handle;
628 }
629 SERVER_END_REQ;
630 return ret;
631 }
632
633
634 /******************************************************************************
635 * NtSuspendThread (NTDLL.@)
636 * ZwSuspendThread (NTDLL.@)
637 */
638 NTSTATUS WINAPI NtSuspendThread( HANDLE handle, PULONG count )
639 {
640 NTSTATUS ret;
641
642 SERVER_START_REQ( suspend_thread )
643 {
644 req->handle = handle;
645 if (!(ret = wine_server_call( req ))) *count = reply->count;
646 }
647 SERVER_END_REQ;
648 return ret;
649 }
650
651
652 /******************************************************************************
653 * NtResumeThread (NTDLL.@)
654 * ZwResumeThread (NTDLL.@)
655 */
656 NTSTATUS WINAPI NtResumeThread( HANDLE handle, PULONG count )
657 {
658 NTSTATUS ret;
659
660 SERVER_START_REQ( resume_thread )
661 {
662 req->handle = handle;
663 if (!(ret = wine_server_call( req ))) *count = reply->count;
664 }
665 SERVER_END_REQ;
666 return ret;
667 }
668
669
670 /******************************************************************************
671 * NtAlertResumeThread (NTDLL.@)
672 * ZwAlertResumeThread (NTDLL.@)
673 */
674 NTSTATUS WINAPI NtAlertResumeThread( HANDLE handle, PULONG count )
675 {
676 FIXME( "stub: should alert thread %p\n", handle );
677 return NtResumeThread( handle, count );
678 }
679
680
681 /******************************************************************************
682 * NtAlertThread (NTDLL.@)
683 * ZwAlertThread (NTDLL.@)
684 */
685 NTSTATUS WINAPI NtAlertThread( HANDLE handle )
686 {
687 FIXME( "stub: %p\n", handle );
688 return STATUS_NOT_IMPLEMENTED;
689 }
690
691
692 /******************************************************************************
693 * NtTerminateThread (NTDLL.@)
694 * ZwTerminateThread (NTDLL.@)
695 */
696 NTSTATUS WINAPI NtTerminateThread( HANDLE handle, LONG exit_code )
697 {
698 NTSTATUS ret;
699 BOOL self, last;
700
701 SERVER_START_REQ( terminate_thread )
702 {
703 req->handle = handle;
704 req->exit_code = exit_code;
705 ret = wine_server_call( req );
706 self = !ret && reply->self;
707 last = reply->last;
708 }
709 SERVER_END_REQ;
710
711 if (self)
712 {
713 if (last) exit( exit_code );
714 else server_abort_thread( exit_code );
715 }
716 return ret;
717 }
718
719
720 /******************************************************************************
721 * NtQueueApcThread (NTDLL.@)
722 */
723 NTSTATUS WINAPI NtQueueApcThread( HANDLE handle, PNTAPCFUNC func, ULONG_PTR arg1,
724 ULONG_PTR arg2, ULONG_PTR arg3 )
725 {
726 NTSTATUS ret;
727 SERVER_START_REQ( queue_apc )
728 {
729 req->thread = handle;
730 if (func)
731 {
732 req->call.type = APC_USER;
733 req->call.user.func = func;
734 req->call.user.args[0] = arg1;
735 req->call.user.args[1] = arg2;
736 req->call.user.args[2] = arg3;
737 }
738 else req->call.type = APC_NONE; /* wake up only */
739 ret = wine_server_call( req );
740 }
741 SERVER_END_REQ;
742 return ret;
743 }
744
745
746 /***********************************************************************
747 * NtSetContextThread (NTDLL.@)
748 * ZwSetContextThread (NTDLL.@)
749 */
750 NTSTATUS WINAPI NtSetContextThread( HANDLE handle, const CONTEXT *context )
751 {
752 NTSTATUS ret;
753 DWORD dummy, i;
754 BOOL self = FALSE;
755
756 #ifdef __i386__
757 /* on i386 debug registers always require a server call */
758 self = (handle == GetCurrentThread());
759 if (self && (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386)))
760 {
761 struct ntdll_thread_regs * const regs = ntdll_get_thread_regs();
762 self = (regs->dr0 == context->Dr0 && regs->dr1 == context->Dr1 &&
763 regs->dr2 == context->Dr2 && regs->dr3 == context->Dr3 &&
764 regs->dr6 == context->Dr6 && regs->dr7 == context->Dr7);
765 }
766 #endif
767
768 if (!self)
769 {
770 SERVER_START_REQ( set_thread_context )
771 {
772 req->handle = handle;
773 req->flags = context->ContextFlags;
774 req->suspend = 0;
775 wine_server_add_data( req, context, sizeof(*context) );
776 ret = wine_server_call( req );
777 self = reply->self;
778 }
779 SERVER_END_REQ;
780
781 if (ret == STATUS_PENDING)
782 {
783 if (NtSuspendThread( handle, &dummy ) == STATUS_SUCCESS)
784 {
785 for (i = 0; i < 100; i++)
786 {
787 SERVER_START_REQ( set_thread_context )
788 {
789 req->handle = handle;
790 req->flags = context->ContextFlags;
791 req->suspend = 0;
792 wine_server_add_data( req, context, sizeof(*context) );
793 ret = wine_server_call( req );
794 }
795 SERVER_END_REQ;
796 if (ret == STATUS_PENDING)
797 {
798 LARGE_INTEGER timeout;
799 timeout.QuadPart = -10000;
800 NtDelayExecution( FALSE, &timeout );
801 }
802 else break;
803 }
804 NtResumeThread( handle, &dummy );
805 }
806 if (ret == STATUS_PENDING) ret = STATUS_ACCESS_DENIED;
807 }
808
809 if (ret) return ret;
810 }
811
812 if (self) set_cpu_context( context );
813 return STATUS_SUCCESS;
814 }
815
816
817 /* copy a context structure according to the flags */
818 static inline void copy_context( CONTEXT *to, const CONTEXT *from, DWORD flags )
819 {
820 #ifdef __i386__
821 flags &= ~CONTEXT_i386; /* get rid of CPU id */
822 if (flags & CONTEXT_INTEGER)
823 {
824 to->Eax = from->Eax;
825 to->Ebx = from->Ebx;
826 to->Ecx = from->Ecx;
827 to->Edx = from->Edx;
828 to->Esi = from->Esi;
829 to->Edi = from->Edi;
830 }
831 if (flags & CONTEXT_CONTROL)
832 {
833 to->Ebp = from->Ebp;
834 to->Esp = from->Esp;
835 to->Eip = from->Eip;
836 to->SegCs = from->SegCs;
837 to->SegSs = from->SegSs;
838 to->EFlags = from->EFlags;
839 }
840 if (flags & CONTEXT_SEGMENTS)
841 {
842 to->SegDs = from->SegDs;
843 to->SegEs = from->SegEs;
844 to->SegFs = from->SegFs;
845 to->SegGs = from->SegGs;
846 }
847 if (flags & CONTEXT_DEBUG_REGISTERS)
848 {
849 to->Dr0 = from->Dr0;
850 to->Dr1 = from->Dr1;
851 to->Dr2 = from->Dr2;
852 to->Dr3 = from->Dr3;
853 to->Dr6 = from->Dr6;
854 to->Dr7 = from->Dr7;
855 }
856 if (flags & CONTEXT_FLOATING_POINT)
857 {
858 to->FloatSave = from->FloatSave;
859 }
860 if (flags & CONTEXT_EXTENDED_REGISTERS)
861 {
862 memcpy( to->ExtendedRegisters, from->ExtendedRegisters, sizeof(to->ExtendedRegisters) );
863 }
864 #elif defined(__x86_64__)
865 flags &= ~CONTEXT_AMD64; /* get rid of CPU id */
866 if (flags & CONTEXT_CONTROL)
867 {
868 to->Rbp = from->Rbp;
869 to->Rip = from->Rip;
870 to->Rsp = from->Rsp;
871 to->SegCs = from->SegCs;
872 to->SegSs = from->SegSs;
873 to->EFlags = from->EFlags;
874 to->MxCsr = from->MxCsr;
875 }
876 if (flags & CONTEXT_INTEGER)
877 {
878 to->Rax = from->Rax;
879 to->Rcx = from->Rcx;
880 to->Rdx = from->Rdx;
881 to->Rbx = from->Rbx;
882 to->Rsi = from->Rsi;
883 to->Rdi = from->Rdi;
884 to->R8 = from->R8;
885 to->R9 = from->R9;
886 to->R10 = from->R10;
887 to->R11 = from->R11;
888 to->R12 = from->R12;
889 to->R13 = from->R13;
890 to->R14 = from->R14;
891 to->R15 = from->R15;
892 }
893 if (flags & CONTEXT_SEGMENTS)
894 {
895 to->SegDs = from->SegDs;
896 to->SegEs = from->SegEs;
897 to->SegFs = from->SegFs;
898 to->SegGs = from->SegGs;
899 }
900 if (flags & CONTEXT_FLOATING_POINT)
901 {
902 to->u.FltSave = from->u.FltSave;
903 }
904 if (flags & CONTEXT_DEBUG_REGISTERS)
905 {
906 to->Dr0 = from->Dr0;
907 to->Dr1 = from->Dr1;
908 to->Dr2 = from->Dr2;
909 to->Dr3 = from->Dr3;
910 to->Dr6 = from->Dr6;
911 to->Dr7 = from->Dr7;
912 }
913 #elif defined(__sparc__)
914 flags &= ~CONTEXT_SPARC; /* get rid of CPU id */
915 if (flags & CONTEXT_CONTROL)
916 {
917 to->psr = from->psr;
918 to->pc = from->pc;
919 to->npc = from->npc;
920 to->y = from->y;
921 to->wim = from->wim;
922 to->tbr = from->tbr;
923 }
924 if (flags & CONTEXT_INTEGER)
925 {
926 to->g0 = from->g0;
927 to->g1 = from->g1;
928 to->g2 = from->g2;
929 to->g3 = from->g3;
930 to->g4 = from->g4;
931 to->g5 = from->g5;
932 to->g6 = from->g6;
933 to->g7 = from->g7;
934 to->o0 = from->o0;
935 to->o1 = from->o1;
936 to->o2 = from->o2;
937 to->o3 = from->o3;
938 to->o4 = from->o4;
939 to->o5 = from->o5;
940 to->o6 = from->o6;
941 to->o7 = from->o7;
942 to->l0 = from->l0;
943 to->l1 = from->l1;
944 to->l2 = from->l2;
945 to->l3 = from->l3;
946 to->l4 = from->l4;
947 to->l5 = from->l5;
948 to->l6 = from->l6;
949 to->l7 = from->l7;
950 to->i0 = from->i0;
951 to->i1 = from->i1;
952 to->i2 = from->i2;
953 to->i3 = from->i3;
954 to->i4 = from->i4;
955 to->i5 = from->i5;
956 to->i6 = from->i6;
957 to->i7 = from->i7;
958 }
959 if (flags & CONTEXT_FLOATING_POINT)
960 {
961 /* FIXME */
962 }
963 #elif defined(__powerpc__)
964 /* Has no CPU id */
965 if (flags & CONTEXT_CONTROL)
966 {
967 to->Msr = from->Msr;
968 to->Ctr = from->Ctr;
969 to->Iar = from->Iar;
970 }
971 if (flags & CONTEXT_INTEGER)
972 {
973 to->Gpr0 = from->Gpr0;
974 to->Gpr1 = from->Gpr1;
975 to->Gpr2 = from->Gpr2;
976 to->Gpr3 = from->Gpr3;
977 to->Gpr4 = from->Gpr4;
978 to->Gpr5 = from->Gpr5;
979 to->Gpr6 = from->Gpr6;
980 to->Gpr7 = from->Gpr7;
981 to->Gpr8 = from->Gpr8;
982 to->Gpr9 = from->Gpr9;
983 to->Gpr10 = from->Gpr10;
984 to->Gpr11 = from->Gpr11;
985 to->Gpr12 = from->Gpr12;
986 to->Gpr13 = from->Gpr13;
987 to->Gpr14 = from->Gpr14;
988 to->Gpr15 = from->Gpr15;
989 to->Gpr16 = from->Gpr16;
990 to->Gpr17 = from->Gpr17;
991 to->Gpr18 = from->Gpr18;
992 to->Gpr19 = from->Gpr19;
993 to->Gpr20 = from->Gpr20;
994 to->Gpr21 = from->Gpr21;
995 to->Gpr22 = from->Gpr22;
996 to->Gpr23 = from->Gpr23;
997 to->Gpr24 = from->Gpr24;
998 to->Gpr25 = from->Gpr25;
999 to->Gpr26 = from->Gpr26;
1000 to->Gpr27 = from->Gpr27;
1001 to->Gpr28 = from->Gpr28;
1002 to->Gpr29 = from->Gpr29;
1003 to->Gpr30 = from->Gpr30;
1004 to->Gpr31 = from->Gpr31;
1005 to->Xer = from->Xer;
1006 to->Cr = from->Cr;
1007 }
1008 if (flags & CONTEXT_FLOATING_POINT)
1009 {
1010 to->Fpr0 = from->Fpr0;
1011 to->Fpr1 = from->Fpr1;
1012 to->Fpr2 = from->Fpr2;
1013 to->Fpr3 = from->Fpr3;
1014 to->Fpr4 = from->Fpr4;
1015 to->Fpr5 = from->Fpr5;
1016 to->Fpr6 = from->Fpr6;
1017 to->Fpr7 = from->Fpr7;
1018 to->Fpr8 = from->Fpr8;
1019 to->Fpr9 = from->Fpr9;
1020 to->Fpr10 = from->Fpr10;
1021 to->Fpr11 = from->Fpr11;
1022 to->Fpr12 = from->Fpr12;
1023 to->Fpr13 = from->Fpr13;
1024 to->Fpr14 = from->Fpr14;
1025 to->Fpr15 = from->Fpr15;
1026 to->Fpr16 = from->Fpr16;
1027 to->Fpr17 = from->Fpr17;
1028 to->Fpr18 = from->Fpr18;
1029 to->Fpr19 = from->Fpr19;
1030 to->Fpr20 = from->Fpr20;
1031 to->Fpr21 = from->Fpr21;
1032 to->Fpr22 = from->Fpr22;
1033 to->Fpr23 = from->Fpr23;
1034 to->Fpr24 = from->Fpr24;
1035 to->Fpr25 = from->Fpr25;
1036 to->Fpr26 = from->Fpr26;
1037 to->Fpr27 = from->Fpr27;
1038 to->Fpr28 = from->Fpr28;
1039 to->Fpr29 = from->Fpr29;
1040 to->Fpr30 = from->Fpr30;
1041 to->Fpr31 = from->Fpr31;
1042 to->Fpscr = from->Fpscr;
1043 }
1044 #else
1045 #error You must implement context copying for your CPU
1046 #endif
1047 }
1048
1049
1050 /***********************************************************************
1051 * NtGetContextThread (NTDLL.@)
1052 * ZwGetContextThread (NTDLL.@)
1053 */
1054 NTSTATUS WINAPI NtGetContextThread( HANDLE handle, CONTEXT *context )
1055 {
1056 NTSTATUS ret;
1057 CONTEXT ctx;
1058 DWORD dummy, i;
1059 DWORD needed_flags = context->ContextFlags;
1060 BOOL self = (handle == GetCurrentThread());
1061
1062 #ifdef __i386__
1063 /* on i386 debug registers always require a server call */
1064 if (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386)) self = FALSE;
1065 #endif
1066
1067 if (!self)
1068 {
1069 SERVER_START_REQ( get_thread_context )
1070 {
1071 req->handle = handle;
1072 req->flags = context->ContextFlags;
1073 req->suspend = 0;
1074 wine_server_set_reply( req, &ctx, sizeof(ctx) );
1075 ret = wine_server_call( req );
1076 self = reply->self;
1077 }
1078 SERVER_END_REQ;
1079
1080 if (ret == STATUS_PENDING)
1081 {
1082 if (NtSuspendThread( handle, &dummy ) == STATUS_SUCCESS)
1083 {
1084 for (i = 0; i < 100; i++)
1085 {
1086 SERVER_START_REQ( get_thread_context )
1087 {
1088 req->handle = handle;
1089 req->flags = context->ContextFlags;
1090 req->suspend = 0;
1091 wine_server_set_reply( req, &ctx, sizeof(ctx) );
1092 ret = wine_server_call( req );
1093 }
1094 SERVER_END_REQ;
1095 if (ret == STATUS_PENDING)
1096 {
1097 LARGE_INTEGER timeout;
1098 timeout.QuadPart = -10000;
1099 NtDelayExecution( FALSE, &timeout );
1100 }
1101 else break;
1102 }
1103 NtResumeThread( handle, &dummy );
1104 }
1105 if (ret == STATUS_PENDING) ret = STATUS_ACCESS_DENIED;
1106 }
1107 if (ret) return ret;
1108 copy_context( context, &ctx, context->ContextFlags & ctx.ContextFlags );
1109 needed_flags &= ~ctx.ContextFlags;
1110 }
1111
1112 if (self)
1113 {
1114 if (needed_flags)
1115 {
1116 get_cpu_context( &ctx );
1117 copy_context( context, &ctx, ctx.ContextFlags & needed_flags );
1118 }
1119 #ifdef __i386__
1120 /* update the cached version of the debug registers */
1121 if (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386))
1122 {
1123 struct ntdll_thread_regs * const regs = ntdll_get_thread_regs();
1124 regs->dr0 = context->Dr0;
1125 regs->dr1 = context->Dr1;
1126 regs->dr2 = context->Dr2;
1127 regs->dr3 = context->Dr3;
1128 regs->dr6 = context->Dr6;
1129 regs->dr7 = context->Dr7;
1130 }
1131 #endif
1132 }
1133 return STATUS_SUCCESS;
1134 }
1135
1136
1137 /******************************************************************************
1138 * NtQueryInformationThread (NTDLL.@)
1139 * ZwQueryInformationThread (NTDLL.@)
1140 */
1141 NTSTATUS WINAPI NtQueryInformationThread( HANDLE handle, THREADINFOCLASS class,
1142 void *data, ULONG length, ULONG *ret_len )
1143 {
1144 NTSTATUS status;
1145
1146 switch(class)
1147 {
1148 case ThreadBasicInformation:
1149 {
1150 THREAD_BASIC_INFORMATION info;
1151 const unsigned int affinity_mask = (1 << NtCurrentTeb()->Peb->NumberOfProcessors) - 1;
1152
1153 SERVER_START_REQ( get_thread_info )
1154 {
1155 req->handle = handle;
1156 req->tid_in = 0;
1157 if (!(status = wine_server_call( req )))
1158 {
1159 info.ExitStatus = reply->exit_code;
1160 info.TebBaseAddress = reply->teb;
1161 info.ClientId.UniqueProcess = ULongToHandle(reply->pid);
1162 info.ClientId.UniqueThread = ULongToHandle(reply->tid);
1163 info.AffinityMask = reply->affinity & affinity_mask;
1164 info.Priority = reply->priority;
1165 info.BasePriority = reply->priority; /* FIXME */
1166 }
1167 }
1168 SERVER_END_REQ;
1169 if (status == STATUS_SUCCESS)
1170 {
1171 if (data) memcpy( data, &info, min( length, sizeof(info) ));
1172 if (ret_len) *ret_len = min( length, sizeof(info) );
1173 }
1174 }
1175 return status;
1176 case ThreadTimes:
1177 {
1178 KERNEL_USER_TIMES kusrt;
1179 /* We need to do a server call to get the creation time or exit time */
1180 /* This works on any thread */
1181 SERVER_START_REQ( get_thread_info )
1182 {
1183 req->handle = handle;
1184 req->tid_in = 0;
1185 status = wine_server_call( req );
1186 if (status == STATUS_SUCCESS)
1187 {
1188 kusrt.CreateTime.QuadPart = reply->creation_time;
1189 kusrt.ExitTime.QuadPart = reply->exit_time;
1190 }
1191 }
1192 SERVER_END_REQ;
1193 if (status == STATUS_SUCCESS)
1194 {
1195 /* We call times(2) for kernel time or user time */
1196 /* We can only (portably) do this for the current thread */
1197 if (handle == GetCurrentThread())
1198 {
1199 struct tms time_buf;
1200 long clocks_per_sec = sysconf(_SC_CLK_TCK);
1201
1202 times(&time_buf);
1203 kusrt.KernelTime.QuadPart = (ULONGLONG)time_buf.tms_stime * 10000000 / clocks_per_sec;
1204 kusrt.UserTime.QuadPart = (ULONGLONG)time_buf.tms_utime * 10000000 / clocks_per_sec;
1205 }
1206 else
1207 {
1208 static BOOL reported = FALSE;
1209
1210 kusrt.KernelTime.QuadPart = 0;
1211 kusrt.UserTime.QuadPart = 0;
1212 if (reported)
1213 TRACE("Cannot get kerneltime or usertime of other threads\n");
1214 else
1215 {
1216 FIXME("Cannot get kerneltime or usertime of other threads\n");
1217 reported = TRUE;
1218 }
1219 }
1220 if (data) memcpy( data, &kusrt, min( length, sizeof(kusrt) ));
1221 if (ret_len) *ret_len = min( length, sizeof(kusrt) );
1222 }
1223 }
1224 return status;
1225 case ThreadDescriptorTableEntry:
1226 {
1227 #ifdef __i386__
1228 THREAD_DESCRIPTOR_INFORMATION* tdi = data;
1229 if (length < sizeof(*tdi))
1230 status = STATUS_INFO_LENGTH_MISMATCH;
1231 else if (!(tdi->Selector & 4)) /* GDT selector */
1232 {
1233 unsigned sel = tdi->Selector & ~3; /* ignore RPL */
1234 status = STATUS_SUCCESS;
1235 if (!sel) /* null selector */
1236 memset( &tdi->Entry, 0, sizeof(tdi->Entry) );
1237 else
1238 {
1239 tdi->Entry.BaseLow = 0;
1240 tdi->Entry.HighWord.Bits.BaseMid = 0;
1241 tdi->Entry.HighWord.Bits.BaseHi = 0;
1242 tdi->Entry.LimitLow = 0xffff;
1243 tdi->Entry.HighWord.Bits.LimitHi = 0xf;
1244 tdi->Entry.HighWord.Bits.Dpl = 3;
1245 tdi->Entry.HighWord.Bits.Sys = 0;
1246 tdi->Entry.HighWord.Bits.Pres = 1;
1247 tdi->Entry.HighWord.Bits.Granularity = 1;
1248 tdi->Entry.HighWord.Bits.Default_Big = 1;
1249 tdi->Entry.HighWord.Bits.Type = 0x12;
1250 /* it has to be one of the system GDT selectors */
1251 if (sel != (wine_get_ds() & ~3) && sel != (wine_get_ss() & ~3))
1252 {
1253 if (sel == (wine_get_cs() & ~3))
1254 tdi->Entry.HighWord.Bits.Type |= 8; /* code segment */
1255 else status = STATUS_ACCESS_DENIED;
1256 }
1257 }
1258 }
1259 else
1260 {
1261 SERVER_START_REQ( get_selector_entry )
1262 {
1263 req->handle = handle;
1264 req->entry = tdi->Selector >> 3;
1265 status = wine_server_call( req );
1266 if (!status)
1267 {
1268 if (!(reply->flags & WINE_LDT_FLAGS_ALLOCATED))
1269 status = STATUS_ACCESS_VIOLATION;
1270 else
1271 {
1272 wine_ldt_set_base ( &tdi->Entry, (void *)reply->base );
1273 wine_ldt_set_limit( &tdi->Entry, reply->limit );
1274 wine_ldt_set_flags( &tdi->Entry, reply->flags );
1275 }
1276 }
1277 }
1278 SERVER_END_REQ;
1279 }
1280 if (status == STATUS_SUCCESS && ret_len)
1281 /* yes, that's a bit strange, but it's the way it is */
1282 *ret_len = sizeof(LDT_ENTRY);
1283 #else
1284 status = STATUS_NOT_IMPLEMENTED;
1285 #endif
1286 return status;
1287 }
1288 case ThreadAmILastThread:
1289 {
1290 SERVER_START_REQ(get_thread_info)
1291 {
1292 req->handle = handle;
1293 req->tid_in = 0;
1294 status = wine_server_call( req );
1295 if (status == STATUS_SUCCESS)
1296 {
1297 BOOLEAN last = reply->last;
1298 if (data) memcpy( data, &last, min( length, sizeof(last) ));
1299 if (ret_len) *ret_len = min( length, sizeof(last) );
1300 }
1301 }
1302 SERVER_END_REQ;
1303 return status;
1304 }
1305 case ThreadPriority:
1306 case ThreadBasePriority:
1307 case ThreadAffinityMask:
1308 case ThreadImpersonationToken:
1309 case ThreadEnableAlignmentFaultFixup:
1310 case ThreadEventPair_Reusable:
1311 case ThreadQuerySetWin32StartAddress:
1312 case ThreadZeroTlsCell:
1313 case ThreadPerformanceCount:
1314 case ThreadIdealProcessor:
1315 case ThreadPriorityBoost:
1316 case ThreadSetTlsArrayAddress:
1317 case ThreadIsIoPending:
1318 default:
1319 FIXME( "info class %d not supported yet\n", class );
1320 return STATUS_NOT_IMPLEMENTED;
1321 }
1322 }
1323
1324
1325 /******************************************************************************
1326 * NtSetInformationThread (NTDLL.@)
1327 * ZwSetInformationThread (NTDLL.@)
1328 */
1329 NTSTATUS WINAPI NtSetInformationThread( HANDLE handle, THREADINFOCLASS class,
1330 LPCVOID data, ULONG length )
1331 {
1332 NTSTATUS status;
1333 switch(class)
1334 {
1335 case ThreadZeroTlsCell:
1336 if (handle == GetCurrentThread())
1337 {
1338 LIST_ENTRY *entry;
1339 DWORD index;
1340
1341 if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
1342 index = *(const DWORD *)data;
1343 if (index < TLS_MINIMUM_AVAILABLE)
1344 {
1345 RtlAcquirePebLock();
1346 for (entry = tls_links.Flink; entry != &tls_links; entry = entry->Flink)
1347 {
1348 TEB *teb = CONTAINING_RECORD(entry, TEB, TlsLinks);
1349 teb->TlsSlots[index] = 0;
1350 }
1351 RtlReleasePebLock();
1352 }
1353 else
1354 {
1355 index -= TLS_MINIMUM_AVAILABLE;
1356 if (index >= 8 * sizeof(NtCurrentTeb()->Peb->TlsExpansionBitmapBits))
1357 return STATUS_INVALID_PARAMETER;
1358 RtlAcquirePebLock();
1359 for (entry = tls_links.Flink; entry != &tls_links; entry = entry->Flink)
1360 {
1361 TEB *teb = CONTAINING_RECORD(entry, TEB, TlsLinks);
1362 if (teb->TlsExpansionSlots) teb->TlsExpansionSlots[index] = 0;
1363 }
1364 RtlReleasePebLock();
1365 }
1366 return STATUS_SUCCESS;
1367 }
1368 FIXME( "ZeroTlsCell not supported on other threads\n" );
1369 return STATUS_NOT_IMPLEMENTED;
1370
1371 case ThreadImpersonationToken:
1372 {
1373 const HANDLE *phToken = data;
1374 if (length != sizeof(HANDLE)) return STATUS_INVALID_PARAMETER;
1375 TRACE("Setting ThreadImpersonationToken handle to %p\n", *phToken );
1376 SERVER_START_REQ( set_thread_info )
1377 {
1378 req->handle = handle;
1379 req->token = *phToken;
1380 req->mask = SET_THREAD_INFO_TOKEN;
1381 status = wine_server_call( req );
1382 }
1383 SERVER_END_REQ;
1384 }
1385 return status;
1386 case ThreadBasePriority:
1387 {
1388 const DWORD *pprio = data;
1389 if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
1390 SERVER_START_REQ( set_thread_info )
1391 {
1392 req->handle = handle;
1393 req->priority = *pprio;
1394 req->mask = SET_THREAD_INFO_PRIORITY;
1395 status = wine_server_call( req );
1396 }
1397 SERVER_END_REQ;
1398 }
1399 return status;
1400 case ThreadAffinityMask:
1401 {
1402 const DWORD affinity_mask = (1 << NtCurrentTeb()->Peb->NumberOfProcessors) - 1;
1403 const DWORD *paff = data;
1404 if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
1405 if (*paff & ~affinity_mask) return STATUS_INVALID_PARAMETER;
1406 SERVER_START_REQ( set_thread_info )
1407 {
1408 req->handle = handle;
1409 req->affinity = *paff;
1410 req->mask = SET_THREAD_INFO_AFFINITY;
1411 status = wine_server_call( req );
1412 }
1413 SERVER_END_REQ;
1414 }
1415 return status;
1416 case ThreadBasicInformation:
1417 case ThreadTimes:
1418 case ThreadPriority:
1419 case ThreadDescriptorTableEntry:
1420 case ThreadEnableAlignmentFaultFixup:
1421 case ThreadEventPair_Reusable:
1422 case ThreadQuerySetWin32StartAddress:
1423 case ThreadPerformanceCount:
1424 case ThreadAmILastThread:
1425 case ThreadIdealProcessor:
1426 case ThreadPriorityBoost:
1427 case ThreadSetTlsArrayAddress:
1428 case ThreadIsIoPending:
1429 default:
1430 FIXME( "info class %d not supported yet\n", class );
1431 return STATUS_NOT_IMPLEMENTED;
1432 }
1433 }
1434
1435
1436 /**********************************************************************
1437 * NtCurrentTeb (NTDLL.@)
1438 */
1439 #if defined(__i386__) && defined(__GNUC__)
1440
1441 __ASM_GLOBAL_FUNC( NtCurrentTeb, ".byte 0x64\n\tmovl 0x18,%eax\n\tret" )
1442
1443 #elif defined(__i386__) && defined(_MSC_VER)
1444
1445 /* Nothing needs to be done. MS C "magically" exports the inline version from winnt.h */
1446
1447 #else
1448
1449 /**********************************************************************/
1450
1451 TEB * WINAPI NtCurrentTeb(void)
1452 {
1453 return pthread_functions.get_current_teb();
1454 }
1455
1456 #endif /* __i386__ */
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