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ntdll: Enforce correct protection values in virtual memory functions.
[wine/wine64.git] / dlls / ntdll / thread.c
blob65a27edc68b1b12344ef60ab6b301f9a5c7b957d
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 = 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 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 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 pthread_functions.init_current_teb( info );
428 signal_init_thread();
429 server_init_thread( info->pid, info->tid, func );
430 pthread_functions.init_thread( info );
431 virtual_alloc_thread_stack( info->stack_base, info->stack_size );
432 pthread_functions.sigprocmask( SIG_UNBLOCK, &server_block_set, NULL );
433
434 RtlAcquirePebLock();
435 InsertHeadList( &tls_links, &teb->TlsLinks );
436 RtlReleasePebLock();
437
438 /* NOTE: Windows does not have an exception handler around the call to
439 * the thread attach. We do for ease of debugging */
440 if (unhandled_exception_filter)
441 {
442 __TRY
443 {
444 call_thread_func( func, arg );
445 }
446 __EXCEPT(unhandled_exception_filter)
447 {
448 NtTerminateThread( GetCurrentThread(), GetExceptionCode() );
449 }
450 __ENDTRY
451 }
452 else
453 call_thread_func( func, arg );
454 }
455
456
457 /***********************************************************************
458 * RtlCreateUserThread (NTDLL.@)
459 */
460 NTSTATUS WINAPI RtlCreateUserThread( HANDLE process, const SECURITY_DESCRIPTOR *descr,
461 BOOLEAN suspended, PVOID stack_addr,
462 SIZE_T stack_reserve, SIZE_T stack_commit,
463 PRTL_THREAD_START_ROUTINE start, void *param,
464 HANDLE *handle_ptr, CLIENT_ID *id )
465 {
466 sigset_t sigset;
467 struct ntdll_thread_data *thread_data = NULL;
468 struct ntdll_thread_regs *thread_regs;
469 struct startup_info *info = NULL;
470 void *addr = NULL;
471 HANDLE handle = 0;
472 TEB *teb;
473 DWORD tid = 0;
474 int request_pipe[2];
475 NTSTATUS status;
476 SIZE_T size, page_size = getpagesize();
477
478 if (process != NtCurrentProcess())
479 {
480 apc_call_t call;
481 apc_result_t result;
482
483 memset( &call, 0, sizeof(call) );
484
485 call.create_thread.type = APC_CREATE_THREAD;
486 call.create_thread.func = start;
487 call.create_thread.arg = param;
488 call.create_thread.reserve = stack_reserve;
489 call.create_thread.commit = stack_commit;
490 call.create_thread.suspend = suspended;
491 status = NTDLL_queue_process_apc( process, &call, &result );
492 if (status != STATUS_SUCCESS) return status;
493
494 if (result.create_thread.status == STATUS_SUCCESS)
495 {
496 if (id) id->UniqueThread = ULongToHandle(result.create_thread.tid);
497 if (handle_ptr) *handle_ptr = wine_server_ptr_handle( result.create_thread.handle );
498 else NtClose( wine_server_ptr_handle( result.create_thread.handle ));
499 }
500 return result.create_thread.status;
501 }
502
503 if (pipe( request_pipe ) == -1) return STATUS_TOO_MANY_OPENED_FILES;
504 fcntl( request_pipe[1], F_SETFD, 1 ); /* set close on exec flag */
505 wine_server_send_fd( request_pipe[0] );
506
507 SERVER_START_REQ( new_thread )
508 {
509 req->access = THREAD_ALL_ACCESS;
510 req->attributes = 0; /* FIXME */
511 req->suspend = suspended;
512 req->request_fd = request_pipe[0];
513 if (!(status = wine_server_call( req )))
514 {
515 handle = wine_server_ptr_handle( reply->handle );
516 tid = reply->tid;
517 }
518 close( request_pipe[0] );
519 }
520 SERVER_END_REQ;
521
522 if (status)
523 {
524 close( request_pipe[1] );
525 return status;
526 }
527
528 pthread_functions.sigprocmask( SIG_BLOCK, &server_block_set, &sigset );
529
530 addr = NULL;
531 size = sigstack_total_size;
532 if ((status = NtAllocateVirtualMemory( NtCurrentProcess(), &addr, sigstack_zero_bits,
533 &size, MEM_COMMIT | MEM_TOP_DOWN, PAGE_READWRITE )))
534 goto error;
535 teb = addr;
536 teb->Peb = NtCurrentTeb()->Peb;
537 info = (struct startup_info *)(teb + 1);
538 info->pthread_info.teb_size = size;
539 if ((status = init_teb( teb ))) goto error;
540
541 teb->ClientId.UniqueProcess = ULongToHandle(GetCurrentProcessId());
542 teb->ClientId.UniqueThread = ULongToHandle(tid);
543
544 thread_data = (struct ntdll_thread_data *)teb->SystemReserved2;
545 thread_regs = (struct ntdll_thread_regs *)teb->SpareBytes1;
546 thread_data->request_fd = request_pipe[1];
547
548 info->pthread_info.teb_base = teb;
549 info->pthread_info.teb_sel = thread_data->fs;
550
551 /* inherit debug registers from parent thread */
552 thread_regs->dr0 = ntdll_get_thread_regs()->dr0;
553 thread_regs->dr1 = ntdll_get_thread_regs()->dr1;
554 thread_regs->dr2 = ntdll_get_thread_regs()->dr2;
555 thread_regs->dr3 = ntdll_get_thread_regs()->dr3;
556 thread_regs->dr6 = ntdll_get_thread_regs()->dr6;
557 thread_regs->dr7 = ntdll_get_thread_regs()->dr7;
558
559 if (!stack_reserve || !stack_commit)
560 {
561 IMAGE_NT_HEADERS *nt = RtlImageNtHeader( NtCurrentTeb()->Peb->ImageBaseAddress );
562 if (!stack_reserve) stack_reserve = nt->OptionalHeader.SizeOfStackReserve;
563 if (!stack_commit) stack_commit = nt->OptionalHeader.SizeOfStackCommit;
564 }
565 if (stack_reserve < stack_commit) stack_reserve = stack_commit;
566 stack_reserve += page_size; /* for the guard page */
567 stack_reserve = (stack_reserve + 0xffff) & ~0xffff; /* round to 64K boundary */
568 if (stack_reserve < 1024 * 1024) stack_reserve = 1024 * 1024; /* Xlib needs a large stack */
569
570 info->pthread_info.stack_base = NULL;
571 info->pthread_info.stack_size = stack_reserve;
572 info->pthread_info.entry = start_thread;
573 info->entry_point = start;
574 info->entry_arg = param;
575
576 if (pthread_functions.create_thread( &info->pthread_info ) == -1)
577 {
578 status = STATUS_NO_MEMORY;
579 goto error;
580 }
581 pthread_functions.sigprocmask( SIG_SETMASK, &sigset, NULL );
582
583 if (id) id->UniqueThread = ULongToHandle(tid);
584 if (handle_ptr) *handle_ptr = handle;
585 else NtClose( handle );
586
587 return STATUS_SUCCESS;
588
589 error:
590 if (thread_data) wine_ldt_free_fs( thread_data->fs );
591 if (addr)
592 {
593 SIZE_T size = 0;
594 NtFreeVirtualMemory( NtCurrentProcess(), &addr, &size, MEM_RELEASE );
595 }
596 if (handle) NtClose( handle );
597 pthread_functions.sigprocmask( SIG_SETMASK, &sigset, NULL );
598 close( request_pipe[1] );
599 return status;
600 }
601
602
603 /***********************************************************************
604 * RtlExitUserThread (NTDLL.@)
605 */
606 void WINAPI RtlExitUserThread( ULONG status )
607 {
608 BOOL last;
609
610 SERVER_START_REQ( terminate_thread )
611 {
612 /* send the exit code to the server */
613 req->handle = wine_server_obj_handle( GetCurrentThread() );
614 req->exit_code = status;
615 wine_server_call( req );
616 last = reply->last;
617 }
618 SERVER_END_REQ;
619
620 if (last)
621 {
622 LdrShutdownProcess();
623 exit( status );
624 }
625 else
626 {
627 LdrShutdownThread();
628 server_exit_thread( status );
629 }
630 }
631
632
633 /***********************************************************************
634 * NtOpenThread (NTDLL.@)
635 * ZwOpenThread (NTDLL.@)
636 */
637 NTSTATUS WINAPI NtOpenThread( HANDLE *handle, ACCESS_MASK access,
638 const OBJECT_ATTRIBUTES *attr, const CLIENT_ID *id )
639 {
640 NTSTATUS ret;
641
642 SERVER_START_REQ( open_thread )
643 {
644 req->tid = HandleToULong(id->UniqueThread);
645 req->access = access;
646 req->attributes = attr ? attr->Attributes : 0;
647 ret = wine_server_call( req );
648 *handle = wine_server_ptr_handle( reply->handle );
649 }
650 SERVER_END_REQ;
651 return ret;
652 }
653
654
655 /******************************************************************************
656 * NtSuspendThread (NTDLL.@)
657 * ZwSuspendThread (NTDLL.@)
658 */
659 NTSTATUS WINAPI NtSuspendThread( HANDLE handle, PULONG count )
660 {
661 NTSTATUS ret;
662
663 SERVER_START_REQ( suspend_thread )
664 {
665 req->handle = wine_server_obj_handle( handle );
666 if (!(ret = wine_server_call( req ))) *count = reply->count;
667 }
668 SERVER_END_REQ;
669 return ret;
670 }
671
672
673 /******************************************************************************
674 * NtResumeThread (NTDLL.@)
675 * ZwResumeThread (NTDLL.@)
676 */
677 NTSTATUS WINAPI NtResumeThread( HANDLE handle, PULONG count )
678 {
679 NTSTATUS ret;
680
681 SERVER_START_REQ( resume_thread )
682 {
683 req->handle = wine_server_obj_handle( handle );
684 if (!(ret = wine_server_call( req ))) *count = reply->count;
685 }
686 SERVER_END_REQ;
687 return ret;
688 }
689
690
691 /******************************************************************************
692 * NtAlertResumeThread (NTDLL.@)
693 * ZwAlertResumeThread (NTDLL.@)
694 */
695 NTSTATUS WINAPI NtAlertResumeThread( HANDLE handle, PULONG count )
696 {
697 FIXME( "stub: should alert thread %p\n", handle );
698 return NtResumeThread( handle, count );
699 }
700
701
702 /******************************************************************************
703 * NtAlertThread (NTDLL.@)
704 * ZwAlertThread (NTDLL.@)
705 */
706 NTSTATUS WINAPI NtAlertThread( HANDLE handle )
707 {
708 FIXME( "stub: %p\n", handle );
709 return STATUS_NOT_IMPLEMENTED;
710 }
711
712
713 /******************************************************************************
714 * NtTerminateThread (NTDLL.@)
715 * ZwTerminateThread (NTDLL.@)
716 */
717 NTSTATUS WINAPI NtTerminateThread( HANDLE handle, LONG exit_code )
718 {
719 NTSTATUS ret;
720 BOOL self, last;
721
722 SERVER_START_REQ( terminate_thread )
723 {
724 req->handle = wine_server_obj_handle( handle );
725 req->exit_code = exit_code;
726 ret = wine_server_call( req );
727 self = !ret && reply->self;
728 last = reply->last;
729 }
730 SERVER_END_REQ;
731
732 if (self)
733 {
734 if (last) exit( exit_code );
735 else server_abort_thread( exit_code );
736 }
737 return ret;
738 }
739
740
741 /******************************************************************************
742 * NtQueueApcThread (NTDLL.@)
743 */
744 NTSTATUS WINAPI NtQueueApcThread( HANDLE handle, PNTAPCFUNC func, ULONG_PTR arg1,
745 ULONG_PTR arg2, ULONG_PTR arg3 )
746 {
747 NTSTATUS ret;
748 SERVER_START_REQ( queue_apc )
749 {
750 req->thread = wine_server_obj_handle( handle );
751 if (func)
752 {
753 req->call.type = APC_USER;
754 req->call.user.func = func;
755 req->call.user.args[0] = arg1;
756 req->call.user.args[1] = arg2;
757 req->call.user.args[2] = arg3;
758 }
759 else req->call.type = APC_NONE; /* wake up only */
760 ret = wine_server_call( req );
761 }
762 SERVER_END_REQ;
763 return ret;
764 }
765
766
767 /***********************************************************************
768 * NtSetContextThread (NTDLL.@)
769 * ZwSetContextThread (NTDLL.@)
770 */
771 NTSTATUS WINAPI NtSetContextThread( HANDLE handle, const CONTEXT *context )
772 {
773 NTSTATUS ret;
774 DWORD dummy, i;
775 BOOL self = FALSE;
776
777 #ifdef __i386__
778 /* on i386 debug registers always require a server call */
779 self = (handle == GetCurrentThread());
780 if (self && (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386)))
781 {
782 struct ntdll_thread_regs * const regs = ntdll_get_thread_regs();
783 self = (regs->dr0 == context->Dr0 && regs->dr1 == context->Dr1 &&
784 regs->dr2 == context->Dr2 && regs->dr3 == context->Dr3 &&
785 regs->dr6 == context->Dr6 && regs->dr7 == context->Dr7);
786 }
787 #endif
788
789 if (!self)
790 {
791 SERVER_START_REQ( set_thread_context )
792 {
793 req->handle = wine_server_obj_handle( handle );
794 req->flags = context->ContextFlags;
795 req->suspend = 0;
796 wine_server_add_data( req, context, sizeof(*context) );
797 ret = wine_server_call( req );
798 self = reply->self;
799 }
800 SERVER_END_REQ;
801
802 if (ret == STATUS_PENDING)
803 {
804 if (NtSuspendThread( handle, &dummy ) == STATUS_SUCCESS)
805 {
806 for (i = 0; i < 100; i++)
807 {
808 SERVER_START_REQ( set_thread_context )
809 {
810 req->handle = wine_server_obj_handle( handle );
811 req->flags = context->ContextFlags;
812 req->suspend = 0;
813 wine_server_add_data( req, context, sizeof(*context) );
814 ret = wine_server_call( req );
815 }
816 SERVER_END_REQ;
817 if (ret == STATUS_PENDING)
818 {
819 LARGE_INTEGER timeout;
820 timeout.QuadPart = -10000;
821 NtDelayExecution( FALSE, &timeout );
822 }
823 else break;
824 }
825 NtResumeThread( handle, &dummy );
826 }
827 if (ret == STATUS_PENDING) ret = STATUS_ACCESS_DENIED;
828 }
829
830 if (ret) return ret;
831 }
832
833 if (self) set_cpu_context( context );
834 return STATUS_SUCCESS;
835 }
836
837
838 /* copy a context structure according to the flags */
839 static inline void copy_context( CONTEXT *to, const CONTEXT *from, DWORD flags )
840 {
841 #ifdef __i386__
842 flags &= ~CONTEXT_i386; /* get rid of CPU id */
843 if (flags & CONTEXT_INTEGER)
844 {
845 to->Eax = from->Eax;
846 to->Ebx = from->Ebx;
847 to->Ecx = from->Ecx;
848 to->Edx = from->Edx;
849 to->Esi = from->Esi;
850 to->Edi = from->Edi;
851 }
852 if (flags & CONTEXT_CONTROL)
853 {
854 to->Ebp = from->Ebp;
855 to->Esp = from->Esp;
856 to->Eip = from->Eip;
857 to->SegCs = from->SegCs;
858 to->SegSs = from->SegSs;
859 to->EFlags = from->EFlags;
860 }
861 if (flags & CONTEXT_SEGMENTS)
862 {
863 to->SegDs = from->SegDs;
864 to->SegEs = from->SegEs;
865 to->SegFs = from->SegFs;
866 to->SegGs = from->SegGs;
867 }
868 if (flags & CONTEXT_DEBUG_REGISTERS)
869 {
870 to->Dr0 = from->Dr0;
871 to->Dr1 = from->Dr1;
872 to->Dr2 = from->Dr2;
873 to->Dr3 = from->Dr3;
874 to->Dr6 = from->Dr6;
875 to->Dr7 = from->Dr7;
876 }
877 if (flags & CONTEXT_FLOATING_POINT)
878 {
879 to->FloatSave = from->FloatSave;
880 }
881 if (flags & CONTEXT_EXTENDED_REGISTERS)
882 {
883 memcpy( to->ExtendedRegisters, from->ExtendedRegisters, sizeof(to->ExtendedRegisters) );
884 }
885 #elif defined(__x86_64__)
886 flags &= ~CONTEXT_AMD64; /* get rid of CPU id */
887 if (flags & CONTEXT_CONTROL)
888 {
889 to->Rbp = from->Rbp;
890 to->Rip = from->Rip;
891 to->Rsp = from->Rsp;
892 to->SegCs = from->SegCs;
893 to->SegSs = from->SegSs;
894 to->EFlags = from->EFlags;
895 to->MxCsr = from->MxCsr;
896 }
897 if (flags & CONTEXT_INTEGER)
898 {
899 to->Rax = from->Rax;
900 to->Rcx = from->Rcx;
901 to->Rdx = from->Rdx;
902 to->Rbx = from->Rbx;
903 to->Rsi = from->Rsi;
904 to->Rdi = from->Rdi;
905 to->R8 = from->R8;
906 to->R9 = from->R9;
907 to->R10 = from->R10;
908 to->R11 = from->R11;
909 to->R12 = from->R12;
910 to->R13 = from->R13;
911 to->R14 = from->R14;
912 to->R15 = from->R15;
913 }
914 if (flags & CONTEXT_SEGMENTS)
915 {
916 to->SegDs = from->SegDs;
917 to->SegEs = from->SegEs;
918 to->SegFs = from->SegFs;
919 to->SegGs = from->SegGs;
920 }
921 if (flags & CONTEXT_FLOATING_POINT)
922 {
923 to->u.FltSave = from->u.FltSave;
924 }
925 if (flags & CONTEXT_DEBUG_REGISTERS)
926 {
927 to->Dr0 = from->Dr0;
928 to->Dr1 = from->Dr1;
929 to->Dr2 = from->Dr2;
930 to->Dr3 = from->Dr3;
931 to->Dr6 = from->Dr6;
932 to->Dr7 = from->Dr7;
933 }
934 #elif defined(__sparc__)
935 flags &= ~CONTEXT_SPARC; /* get rid of CPU id */
936 if (flags & CONTEXT_CONTROL)
937 {
938 to->psr = from->psr;
939 to->pc = from->pc;
940 to->npc = from->npc;
941 to->y = from->y;
942 to->wim = from->wim;
943 to->tbr = from->tbr;
944 }
945 if (flags & CONTEXT_INTEGER)
946 {
947 to->g0 = from->g0;
948 to->g1 = from->g1;
949 to->g2 = from->g2;
950 to->g3 = from->g3;
951 to->g4 = from->g4;
952 to->g5 = from->g5;
953 to->g6 = from->g6;
954 to->g7 = from->g7;
955 to->o0 = from->o0;
956 to->o1 = from->o1;
957 to->o2 = from->o2;
958 to->o3 = from->o3;
959 to->o4 = from->o4;
960 to->o5 = from->o5;
961 to->o6 = from->o6;
962 to->o7 = from->o7;
963 to->l0 = from->l0;
964 to->l1 = from->l1;
965 to->l2 = from->l2;
966 to->l3 = from->l3;
967 to->l4 = from->l4;
968 to->l5 = from->l5;
969 to->l6 = from->l6;
970 to->l7 = from->l7;
971 to->i0 = from->i0;
972 to->i1 = from->i1;
973 to->i2 = from->i2;
974 to->i3 = from->i3;
975 to->i4 = from->i4;
976 to->i5 = from->i5;
977 to->i6 = from->i6;
978 to->i7 = from->i7;
979 }
980 if (flags & CONTEXT_FLOATING_POINT)
981 {
982 /* FIXME */
983 }
984 #elif defined(__powerpc__)
985 /* Has no CPU id */
986 if (flags & CONTEXT_CONTROL)
987 {
988 to->Msr = from->Msr;
989 to->Ctr = from->Ctr;
990 to->Iar = from->Iar;
991 }
992 if (flags & CONTEXT_INTEGER)
993 {
994 to->Gpr0 = from->Gpr0;
995 to->Gpr1 = from->Gpr1;
996 to->Gpr2 = from->Gpr2;
997 to->Gpr3 = from->Gpr3;
998 to->Gpr4 = from->Gpr4;
999 to->Gpr5 = from->Gpr5;
1000 to->Gpr6 = from->Gpr6;
1001 to->Gpr7 = from->Gpr7;
1002 to->Gpr8 = from->Gpr8;
1003 to->Gpr9 = from->Gpr9;
1004 to->Gpr10 = from->Gpr10;
1005 to->Gpr11 = from->Gpr11;
1006 to->Gpr12 = from->Gpr12;
1007 to->Gpr13 = from->Gpr13;
1008 to->Gpr14 = from->Gpr14;
1009 to->Gpr15 = from->Gpr15;
1010 to->Gpr16 = from->Gpr16;
1011 to->Gpr17 = from->Gpr17;
1012 to->Gpr18 = from->Gpr18;
1013 to->Gpr19 = from->Gpr19;
1014 to->Gpr20 = from->Gpr20;
1015 to->Gpr21 = from->Gpr21;
1016 to->Gpr22 = from->Gpr22;
1017 to->Gpr23 = from->Gpr23;
1018 to->Gpr24 = from->Gpr24;
1019 to->Gpr25 = from->Gpr25;
1020 to->Gpr26 = from->Gpr26;
1021 to->Gpr27 = from->Gpr27;
1022 to->Gpr28 = from->Gpr28;
1023 to->Gpr29 = from->Gpr29;
1024 to->Gpr30 = from->Gpr30;
1025 to->Gpr31 = from->Gpr31;
1026 to->Xer = from->Xer;
1027 to->Cr = from->Cr;
1028 }
1029 if (flags & CONTEXT_FLOATING_POINT)
1030 {
1031 to->Fpr0 = from->Fpr0;
1032 to->Fpr1 = from->Fpr1;
1033 to->Fpr2 = from->Fpr2;
1034 to->Fpr3 = from->Fpr3;
1035 to->Fpr4 = from->Fpr4;
1036 to->Fpr5 = from->Fpr5;
1037 to->Fpr6 = from->Fpr6;
1038 to->Fpr7 = from->Fpr7;
1039 to->Fpr8 = from->Fpr8;
1040 to->Fpr9 = from->Fpr9;
1041 to->Fpr10 = from->Fpr10;
1042 to->Fpr11 = from->Fpr11;
1043 to->Fpr12 = from->Fpr12;
1044 to->Fpr13 = from->Fpr13;
1045 to->Fpr14 = from->Fpr14;
1046 to->Fpr15 = from->Fpr15;
1047 to->Fpr16 = from->Fpr16;
1048 to->Fpr17 = from->Fpr17;
1049 to->Fpr18 = from->Fpr18;
1050 to->Fpr19 = from->Fpr19;
1051 to->Fpr20 = from->Fpr20;
1052 to->Fpr21 = from->Fpr21;
1053 to->Fpr22 = from->Fpr22;
1054 to->Fpr23 = from->Fpr23;
1055 to->Fpr24 = from->Fpr24;
1056 to->Fpr25 = from->Fpr25;
1057 to->Fpr26 = from->Fpr26;
1058 to->Fpr27 = from->Fpr27;
1059 to->Fpr28 = from->Fpr28;
1060 to->Fpr29 = from->Fpr29;
1061 to->Fpr30 = from->Fpr30;
1062 to->Fpr31 = from->Fpr31;
1063 to->Fpscr = from->Fpscr;
1064 }
1065 #else
1066 #error You must implement context copying for your CPU
1067 #endif
1068 }
1069
1070
1071 /***********************************************************************
1072 * NtGetContextThread (NTDLL.@)
1073 * ZwGetContextThread (NTDLL.@)
1074 */
1075 NTSTATUS WINAPI NtGetContextThread( HANDLE handle, CONTEXT *context )
1076 {
1077 NTSTATUS ret;
1078 CONTEXT ctx;
1079 DWORD dummy, i;
1080 DWORD needed_flags = context->ContextFlags;
1081 BOOL self = (handle == GetCurrentThread());
1082
1083 #ifdef __i386__
1084 /* on i386 debug registers always require a server call */
1085 if (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386)) self = FALSE;
1086 #endif
1087
1088 if (!self)
1089 {
1090 SERVER_START_REQ( get_thread_context )
1091 {
1092 req->handle = wine_server_obj_handle( handle );
1093 req->flags = context->ContextFlags;
1094 req->suspend = 0;
1095 wine_server_set_reply( req, &ctx, sizeof(ctx) );
1096 ret = wine_server_call( req );
1097 self = reply->self;
1098 }
1099 SERVER_END_REQ;
1100
1101 if (ret == STATUS_PENDING)
1102 {
1103 if (NtSuspendThread( handle, &dummy ) == STATUS_SUCCESS)
1104 {
1105 for (i = 0; i < 100; i++)
1106 {
1107 SERVER_START_REQ( get_thread_context )
1108 {
1109 req->handle = wine_server_obj_handle( handle );
1110 req->flags = context->ContextFlags;
1111 req->suspend = 0;
1112 wine_server_set_reply( req, &ctx, sizeof(ctx) );
1113 ret = wine_server_call( req );
1114 }
1115 SERVER_END_REQ;
1116 if (ret == STATUS_PENDING)
1117 {
1118 LARGE_INTEGER timeout;
1119 timeout.QuadPart = -10000;
1120 NtDelayExecution( FALSE, &timeout );
1121 }
1122 else break;
1123 }
1124 NtResumeThread( handle, &dummy );
1125 }
1126 if (ret == STATUS_PENDING) ret = STATUS_ACCESS_DENIED;
1127 }
1128 if (ret) return ret;
1129 copy_context( context, &ctx, context->ContextFlags & ctx.ContextFlags );
1130 needed_flags &= ~ctx.ContextFlags;
1131 }
1132
1133 if (self)
1134 {
1135 if (needed_flags)
1136 {
1137 get_cpu_context( &ctx );
1138 copy_context( context, &ctx, ctx.ContextFlags & needed_flags );
1139 }
1140 #ifdef __i386__
1141 /* update the cached version of the debug registers */
1142 if (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386))
1143 {
1144 struct ntdll_thread_regs * const regs = ntdll_get_thread_regs();
1145 regs->dr0 = context->Dr0;
1146 regs->dr1 = context->Dr1;
1147 regs->dr2 = context->Dr2;
1148 regs->dr3 = context->Dr3;
1149 regs->dr6 = context->Dr6;
1150 regs->dr7 = context->Dr7;
1151 }
1152 #endif
1153 }
1154 return STATUS_SUCCESS;
1155 }
1156
1157
1158 /******************************************************************************
1159 * NtQueryInformationThread (NTDLL.@)
1160 * ZwQueryInformationThread (NTDLL.@)
1161 */
1162 NTSTATUS WINAPI NtQueryInformationThread( HANDLE handle, THREADINFOCLASS class,
1163 void *data, ULONG length, ULONG *ret_len )
1164 {
1165 NTSTATUS status;
1166
1167 switch(class)
1168 {
1169 case ThreadBasicInformation:
1170 {
1171 THREAD_BASIC_INFORMATION info;
1172 const unsigned int affinity_mask = (1 << NtCurrentTeb()->Peb->NumberOfProcessors) - 1;
1173
1174 SERVER_START_REQ( get_thread_info )
1175 {
1176 req->handle = wine_server_obj_handle( handle );
1177 req->tid_in = 0;
1178 if (!(status = wine_server_call( req )))
1179 {
1180 info.ExitStatus = reply->exit_code;
1181 info.TebBaseAddress = reply->teb;
1182 info.ClientId.UniqueProcess = ULongToHandle(reply->pid);
1183 info.ClientId.UniqueThread = ULongToHandle(reply->tid);
1184 info.AffinityMask = reply->affinity & affinity_mask;
1185 info.Priority = reply->priority;
1186 info.BasePriority = reply->priority; /* FIXME */
1187 }
1188 }
1189 SERVER_END_REQ;
1190 if (status == STATUS_SUCCESS)
1191 {
1192 if (data) memcpy( data, &info, min( length, sizeof(info) ));
1193 if (ret_len) *ret_len = min( length, sizeof(info) );
1194 }
1195 }
1196 return status;
1197 case ThreadTimes:
1198 {
1199 KERNEL_USER_TIMES kusrt;
1200 /* We need to do a server call to get the creation time or exit time */
1201 /* This works on any thread */
1202 SERVER_START_REQ( get_thread_info )
1203 {
1204 req->handle = wine_server_obj_handle( handle );
1205 req->tid_in = 0;
1206 status = wine_server_call( req );
1207 if (status == STATUS_SUCCESS)
1208 {
1209 kusrt.CreateTime.QuadPart = reply->creation_time;
1210 kusrt.ExitTime.QuadPart = reply->exit_time;
1211 }
1212 }
1213 SERVER_END_REQ;
1214 if (status == STATUS_SUCCESS)
1215 {
1216 /* We call times(2) for kernel time or user time */
1217 /* We can only (portably) do this for the current thread */
1218 if (handle == GetCurrentThread())
1219 {
1220 struct tms time_buf;
1221 long clocks_per_sec = sysconf(_SC_CLK_TCK);
1222
1223 times(&time_buf);
1224 kusrt.KernelTime.QuadPart = (ULONGLONG)time_buf.tms_stime * 10000000 / clocks_per_sec;
1225 kusrt.UserTime.QuadPart = (ULONGLONG)time_buf.tms_utime * 10000000 / clocks_per_sec;
1226 }
1227 else
1228 {
1229 static BOOL reported = FALSE;
1230
1231 kusrt.KernelTime.QuadPart = 0;
1232 kusrt.UserTime.QuadPart = 0;
1233 if (reported)
1234 TRACE("Cannot get kerneltime or usertime of other threads\n");
1235 else
1236 {
1237 FIXME("Cannot get kerneltime or usertime of other threads\n");
1238 reported = TRUE;
1239 }
1240 }
1241 if (data) memcpy( data, &kusrt, min( length, sizeof(kusrt) ));
1242 if (ret_len) *ret_len = min( length, sizeof(kusrt) );
1243 }
1244 }
1245 return status;
1246 case ThreadDescriptorTableEntry:
1247 {
1248 #ifdef __i386__
1249 THREAD_DESCRIPTOR_INFORMATION* tdi = data;
1250 if (length < sizeof(*tdi))
1251 status = STATUS_INFO_LENGTH_MISMATCH;
1252 else if (!(tdi->Selector & 4)) /* GDT selector */
1253 {
1254 unsigned sel = tdi->Selector & ~3; /* ignore RPL */
1255 status = STATUS_SUCCESS;
1256 if (!sel) /* null selector */
1257 memset( &tdi->Entry, 0, sizeof(tdi->Entry) );
1258 else
1259 {
1260 tdi->Entry.BaseLow = 0;
1261 tdi->Entry.HighWord.Bits.BaseMid = 0;
1262 tdi->Entry.HighWord.Bits.BaseHi = 0;
1263 tdi->Entry.LimitLow = 0xffff;
1264 tdi->Entry.HighWord.Bits.LimitHi = 0xf;
1265 tdi->Entry.HighWord.Bits.Dpl = 3;
1266 tdi->Entry.HighWord.Bits.Sys = 0;
1267 tdi->Entry.HighWord.Bits.Pres = 1;
1268 tdi->Entry.HighWord.Bits.Granularity = 1;
1269 tdi->Entry.HighWord.Bits.Default_Big = 1;
1270 tdi->Entry.HighWord.Bits.Type = 0x12;
1271 /* it has to be one of the system GDT selectors */
1272 if (sel != (wine_get_ds() & ~3) && sel != (wine_get_ss() & ~3))
1273 {
1274 if (sel == (wine_get_cs() & ~3))
1275 tdi->Entry.HighWord.Bits.Type |= 8; /* code segment */
1276 else status = STATUS_ACCESS_DENIED;
1277 }
1278 }
1279 }
1280 else
1281 {
1282 SERVER_START_REQ( get_selector_entry )
1283 {
1284 req->handle = wine_server_obj_handle( handle );
1285 req->entry = tdi->Selector >> 3;
1286 status = wine_server_call( req );
1287 if (!status)
1288 {
1289 if (!(reply->flags & WINE_LDT_FLAGS_ALLOCATED))
1290 status = STATUS_ACCESS_VIOLATION;
1291 else
1292 {
1293 wine_ldt_set_base ( &tdi->Entry, (void *)reply->base );
1294 wine_ldt_set_limit( &tdi->Entry, reply->limit );
1295 wine_ldt_set_flags( &tdi->Entry, reply->flags );
1296 }
1297 }
1298 }
1299 SERVER_END_REQ;
1300 }
1301 if (status == STATUS_SUCCESS && ret_len)
1302 /* yes, that's a bit strange, but it's the way it is */
1303 *ret_len = sizeof(LDT_ENTRY);
1304 #else
1305 status = STATUS_NOT_IMPLEMENTED;
1306 #endif
1307 return status;
1308 }
1309 case ThreadAmILastThread:
1310 {
1311 SERVER_START_REQ(get_thread_info)
1312 {
1313 req->handle = wine_server_obj_handle( handle );
1314 req->tid_in = 0;
1315 status = wine_server_call( req );
1316 if (status == STATUS_SUCCESS)
1317 {
1318 BOOLEAN last = reply->last;
1319 if (data) memcpy( data, &last, min( length, sizeof(last) ));
1320 if (ret_len) *ret_len = min( length, sizeof(last) );
1321 }
1322 }
1323 SERVER_END_REQ;
1324 return status;
1325 }
1326 case ThreadPriority:
1327 case ThreadBasePriority:
1328 case ThreadAffinityMask:
1329 case ThreadImpersonationToken:
1330 case ThreadEnableAlignmentFaultFixup:
1331 case ThreadEventPair_Reusable:
1332 case ThreadQuerySetWin32StartAddress:
1333 case ThreadZeroTlsCell:
1334 case ThreadPerformanceCount:
1335 case ThreadIdealProcessor:
1336 case ThreadPriorityBoost:
1337 case ThreadSetTlsArrayAddress:
1338 case ThreadIsIoPending:
1339 default:
1340 FIXME( "info class %d not supported yet\n", class );
1341 return STATUS_NOT_IMPLEMENTED;
1342 }
1343 }
1344
1345
1346 /******************************************************************************
1347 * NtSetInformationThread (NTDLL.@)
1348 * ZwSetInformationThread (NTDLL.@)
1349 */
1350 NTSTATUS WINAPI NtSetInformationThread( HANDLE handle, THREADINFOCLASS class,
1351 LPCVOID data, ULONG length )
1352 {
1353 NTSTATUS status;
1354 switch(class)
1355 {
1356 case ThreadZeroTlsCell:
1357 if (handle == GetCurrentThread())
1358 {
1359 LIST_ENTRY *entry;
1360 DWORD index;
1361
1362 if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
1363 index = *(const DWORD *)data;
1364 if (index < TLS_MINIMUM_AVAILABLE)
1365 {
1366 RtlAcquirePebLock();
1367 for (entry = tls_links.Flink; entry != &tls_links; entry = entry->Flink)
1368 {
1369 TEB *teb = CONTAINING_RECORD(entry, TEB, TlsLinks);
1370 teb->TlsSlots[index] = 0;
1371 }
1372 RtlReleasePebLock();
1373 }
1374 else
1375 {
1376 index -= TLS_MINIMUM_AVAILABLE;
1377 if (index >= 8 * sizeof(NtCurrentTeb()->Peb->TlsExpansionBitmapBits))
1378 return STATUS_INVALID_PARAMETER;
1379 RtlAcquirePebLock();
1380 for (entry = tls_links.Flink; entry != &tls_links; entry = entry->Flink)
1381 {
1382 TEB *teb = CONTAINING_RECORD(entry, TEB, TlsLinks);
1383 if (teb->TlsExpansionSlots) teb->TlsExpansionSlots[index] = 0;
1384 }
1385 RtlReleasePebLock();
1386 }
1387 return STATUS_SUCCESS;
1388 }
1389 FIXME( "ZeroTlsCell not supported on other threads\n" );
1390 return STATUS_NOT_IMPLEMENTED;
1391
1392 case ThreadImpersonationToken:
1393 {
1394 const HANDLE *phToken = data;
1395 if (length != sizeof(HANDLE)) return STATUS_INVALID_PARAMETER;
1396 TRACE("Setting ThreadImpersonationToken handle to %p\n", *phToken );
1397 SERVER_START_REQ( set_thread_info )
1398 {
1399 req->handle = wine_server_obj_handle( handle );
1400 req->token = wine_server_obj_handle( *phToken );
1401 req->mask = SET_THREAD_INFO_TOKEN;
1402 status = wine_server_call( req );
1403 }
1404 SERVER_END_REQ;
1405 }
1406 return status;
1407 case ThreadBasePriority:
1408 {
1409 const DWORD *pprio = data;
1410 if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
1411 SERVER_START_REQ( set_thread_info )
1412 {
1413 req->handle = wine_server_obj_handle( handle );
1414 req->priority = *pprio;
1415 req->mask = SET_THREAD_INFO_PRIORITY;
1416 status = wine_server_call( req );
1417 }
1418 SERVER_END_REQ;
1419 }
1420 return status;
1421 case ThreadAffinityMask:
1422 {
1423 const DWORD affinity_mask = (1 << NtCurrentTeb()->Peb->NumberOfProcessors) - 1;
1424 const DWORD *paff = data;
1425 if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
1426 if (*paff & ~affinity_mask) return STATUS_INVALID_PARAMETER;
1427 SERVER_START_REQ( set_thread_info )
1428 {
1429 req->handle = wine_server_obj_handle( handle );
1430 req->affinity = *paff;
1431 req->mask = SET_THREAD_INFO_AFFINITY;
1432 status = wine_server_call( req );
1433 }
1434 SERVER_END_REQ;
1435 }
1436 return status;
1437 case ThreadBasicInformation:
1438 case ThreadTimes:
1439 case ThreadPriority:
1440 case ThreadDescriptorTableEntry:
1441 case ThreadEnableAlignmentFaultFixup:
1442 case ThreadEventPair_Reusable:
1443 case ThreadQuerySetWin32StartAddress:
1444 case ThreadPerformanceCount:
1445 case ThreadAmILastThread:
1446 case ThreadIdealProcessor:
1447 case ThreadPriorityBoost:
1448 case ThreadSetTlsArrayAddress:
1449 case ThreadIsIoPending:
1450 default:
1451 FIXME( "info class %d not supported yet\n", class );
1452 return STATUS_NOT_IMPLEMENTED;
1453 }
1454 }
1455
1456
1457 /**********************************************************************
1458 * NtCurrentTeb (NTDLL.@)
1459 */
1460 #if defined(__i386__) && defined(__GNUC__)
1461
1462 __ASM_GLOBAL_FUNC( NtCurrentTeb, ".byte 0x64\n\tmovl 0x18,%eax\n\tret" )
1463
1464 #elif defined(__i386__) && defined(_MSC_VER)
1465
1466 /* Nothing needs to be done. MS C "magically" exports the inline version from winnt.h */
1467
1468 #else
1469
1470 /**********************************************************************/
1471
1472 TEB * WINAPI NtCurrentTeb(void)
1473 {
1474 return pthread_functions.get_current_teb();
1475 }
1476
1477 #endif /* __i386__ */