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ntdll: Fixed typo in previous patch, spotted by Ken Thomases.
[wine/wine64.git] / dlls / ntdll / thread.c
blob1fb0db61e030b8bbcf474bd5071e75ad17d8d3ae
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 <sys/types.h>
26 #ifdef HAVE_SYS_MMAN_H
27 #include <sys/mman.h>
28 #endif
29 #ifdef HAVE_SYS_TIMES_H
30 #include <sys/times.h>
31 #endif
32
33 #define NONAMELESSUNION
34 #include "ntstatus.h"
35 #define WIN32_NO_STATUS
36 #include "thread.h"
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 "wine/exception.h"
44
45 WINE_DEFAULT_DEBUG_CHANNEL(thread);
46 WINE_DECLARE_DEBUG_CHANNEL(relay);
47
48 /* info passed to a starting thread */
49 struct startup_info
50 {
51 struct wine_pthread_thread_info pthread_info;
52 PRTL_THREAD_START_ROUTINE entry_point;
53 void *entry_arg;
54 };
55
56 static PEB_LDR_DATA ldr;
57 static RTL_USER_PROCESS_PARAMETERS params; /* default parameters if no parent */
58 static WCHAR current_dir[MAX_NT_PATH_LENGTH];
59 static RTL_BITMAP tls_bitmap;
60 static RTL_BITMAP tls_expansion_bitmap;
61 static LIST_ENTRY tls_links;
62 static size_t sigstack_total_size;
63 static ULONG sigstack_zero_bits;
64
65 struct wine_pthread_functions pthread_functions = { NULL };
66
67
68 static RTL_CRITICAL_SECTION ldt_section;
69 static RTL_CRITICAL_SECTION_DEBUG critsect_debug =
70 {
71 0, 0, &ldt_section,
72 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
73 0, 0, { (DWORD_PTR)(__FILE__ ": ldt_section") }
74 };
75 static RTL_CRITICAL_SECTION ldt_section = { &critsect_debug, -1, 0, 0, 0, 0 };
76 static sigset_t ldt_sigset;
77
78 /***********************************************************************
79 * locking for LDT routines
80 */
81 static void ldt_lock(void)
82 {
83 sigset_t sigset;
84
85 pthread_functions.sigprocmask( SIG_BLOCK, &server_block_set, &sigset );
86 RtlEnterCriticalSection( &ldt_section );
87 if (ldt_section.RecursionCount == 1) ldt_sigset = sigset;
88 }
89
90 static void ldt_unlock(void)
91 {
92 if (ldt_section.RecursionCount == 1)
93 {
94 sigset_t sigset = ldt_sigset;
95 RtlLeaveCriticalSection( &ldt_section );
96 pthread_functions.sigprocmask( SIG_SETMASK, &sigset, NULL );
97 }
98 else RtlLeaveCriticalSection( &ldt_section );
99 }
100
101
102 /***********************************************************************
103 * init_teb
104 */
105 static inline NTSTATUS init_teb( TEB *teb )
106 {
107 struct ntdll_thread_data *thread_data = (struct ntdll_thread_data *)teb->SystemReserved2;
108 struct ntdll_thread_regs *thread_regs = (struct ntdll_thread_regs *)teb->SpareBytes1;
109
110 teb->Tib.ExceptionList = (void *)~0UL;
111 teb->Tib.StackBase = (void *)~0UL;
112 teb->Tib.Self = &teb->Tib;
113 teb->StaticUnicodeString.Buffer = teb->StaticUnicodeBuffer;
114 teb->StaticUnicodeString.MaximumLength = sizeof(teb->StaticUnicodeBuffer);
115
116 if (!(thread_regs->fs = wine_ldt_alloc_fs())) return STATUS_TOO_MANY_THREADS;
117 thread_data->request_fd = -1;
118 thread_data->reply_fd = -1;
119 thread_data->wait_fd[0] = -1;
120 thread_data->wait_fd[1] = -1;
121
122 return STATUS_SUCCESS;
123 }
124
125
126 /***********************************************************************
127 * fix_unicode_string
128 *
129 * Make sure the unicode string doesn't point beyond the end pointer
130 */
131 static inline void fix_unicode_string( UNICODE_STRING *str, char *end_ptr )
132 {
133 if ((char *)str->Buffer >= end_ptr)
134 {
135 str->Length = str->MaximumLength = 0;
136 str->Buffer = NULL;
137 return;
138 }
139 if ((char *)str->Buffer + str->MaximumLength > end_ptr)
140 {
141 str->MaximumLength = (end_ptr - (char *)str->Buffer) & ~(sizeof(WCHAR) - 1);
142 }
143 if (str->Length >= str->MaximumLength)
144 {
145 if (str->MaximumLength >= sizeof(WCHAR))
146 str->Length = str->MaximumLength - sizeof(WCHAR);
147 else
148 str->Length = str->MaximumLength = 0;
149 }
150 }
151
152
153 /***********************************************************************
154 * init_user_process_params
155 *
156 * Fill the RTL_USER_PROCESS_PARAMETERS structure from the server.
157 */
158 static NTSTATUS init_user_process_params( SIZE_T info_size, HANDLE *exe_file )
159 {
160 void *ptr;
161 SIZE_T env_size;
162 NTSTATUS status;
163 RTL_USER_PROCESS_PARAMETERS *params = NULL;
164
165 status = NtAllocateVirtualMemory( NtCurrentProcess(), (void **)&params, 0, &info_size,
166 MEM_COMMIT, PAGE_READWRITE );
167 if (status != STATUS_SUCCESS) return status;
168
169 params->AllocationSize = info_size;
170 NtCurrentTeb()->Peb->ProcessParameters = params;
171
172 SERVER_START_REQ( get_startup_info )
173 {
174 wine_server_set_reply( req, params, info_size );
175 if (!(status = wine_server_call( req )))
176 {
177 info_size = wine_server_reply_size( reply );
178 *exe_file = reply->exe_file;
179 params->hStdInput = reply->hstdin;
180 params->hStdOutput = reply->hstdout;
181 params->hStdError = reply->hstderr;
182 }
183 }
184 SERVER_END_REQ;
185 if (status != STATUS_SUCCESS) return status;
186
187 if (params->Size > info_size) params->Size = info_size;
188
189 /* make sure the strings are valid */
190 fix_unicode_string( &params->CurrentDirectory.DosPath, (char *)info_size );
191 fix_unicode_string( &params->DllPath, (char *)info_size );
192 fix_unicode_string( &params->ImagePathName, (char *)info_size );
193 fix_unicode_string( &params->CommandLine, (char *)info_size );
194 fix_unicode_string( &params->WindowTitle, (char *)info_size );
195 fix_unicode_string( &params->Desktop, (char *)info_size );
196 fix_unicode_string( &params->ShellInfo, (char *)info_size );
197 fix_unicode_string( &params->RuntimeInfo, (char *)info_size );
198
199 /* environment needs to be a separate memory block */
200 env_size = info_size - params->Size;
201 if (!env_size) env_size = 1;
202 ptr = NULL;
203 status = NtAllocateVirtualMemory( NtCurrentProcess(), &ptr, 0, &env_size,
204 MEM_COMMIT, PAGE_READWRITE );
205 if (status != STATUS_SUCCESS) return status;
206 memcpy( ptr, (char *)params + params->Size, info_size - params->Size );
207 params->Environment = ptr;
208
209 RtlNormalizeProcessParams( params );
210 return status;
211 }
212
213
214 /***********************************************************************
215 * thread_init
216 *
217 * Setup the initial thread.
218 *
219 * NOTES: The first allocated TEB on NT is at 0x7ffde000.
220 */
221 HANDLE thread_init(void)
222 {
223 PEB *peb;
224 TEB *teb;
225 void *addr;
226 SIZE_T size, info_size;
227 HANDLE exe_file = 0;
228 struct ntdll_thread_data *thread_data;
229 struct ntdll_thread_regs *thread_regs;
230 struct wine_pthread_thread_info thread_info;
231 static struct debug_info debug_info; /* debug info for initial thread */
232
233 virtual_init();
234
235 /* reserve space for shared user data */
236
237 addr = (void *)0x7ffe0000;
238 size = 0x10000;
239 NtAllocateVirtualMemory( NtCurrentProcess(), &addr, 0, &size, MEM_RESERVE, PAGE_READONLY );
240
241 /* allocate and initialize the PEB */
242
243 addr = NULL;
244 size = sizeof(*peb);
245 NtAllocateVirtualMemory( NtCurrentProcess(), &addr, 1, &size,
246 MEM_COMMIT | MEM_TOP_DOWN, PAGE_READWRITE );
247 peb = addr;
248
249 peb->NumberOfProcessors = 1;
250 peb->ProcessParameters = &params;
251 peb->TlsBitmap = &tls_bitmap;
252 peb->TlsExpansionBitmap = &tls_expansion_bitmap;
253 peb->LdrData = &ldr;
254 params.CurrentDirectory.DosPath.Buffer = current_dir;
255 params.CurrentDirectory.DosPath.MaximumLength = sizeof(current_dir);
256 params.wShowWindow = 1; /* SW_SHOWNORMAL */
257 RtlInitializeBitMap( &tls_bitmap, peb->TlsBitmapBits, sizeof(peb->TlsBitmapBits) * 8 );
258 RtlInitializeBitMap( &tls_expansion_bitmap, peb->TlsExpansionBitmapBits,
259 sizeof(peb->TlsExpansionBitmapBits) * 8 );
260 InitializeListHead( &ldr.InLoadOrderModuleList );
261 InitializeListHead( &ldr.InMemoryOrderModuleList );
262 InitializeListHead( &ldr.InInitializationOrderModuleList );
263 InitializeListHead( &tls_links );
264
265 /* allocate and initialize the initial TEB */
266
267 sigstack_total_size = get_signal_stack_total_size();
268 while (1 << sigstack_zero_bits < sigstack_total_size) sigstack_zero_bits++;
269 assert( 1 << sigstack_zero_bits == sigstack_total_size ); /* must be a power of 2 */
270 assert( sigstack_total_size >= sizeof(TEB) + sizeof(struct startup_info) );
271 thread_info.teb_size = sigstack_total_size;
272
273 addr = NULL;
274 size = sigstack_total_size;
275 NtAllocateVirtualMemory( NtCurrentProcess(), &addr, sigstack_zero_bits,
276 &size, MEM_COMMIT | MEM_TOP_DOWN, PAGE_READWRITE );
277 teb = addr;
278 teb->Peb = peb;
279 thread_info.teb_size = size;
280 init_teb( teb );
281 thread_data = (struct ntdll_thread_data *)teb->SystemReserved2;
282 thread_regs = (struct ntdll_thread_regs *)teb->SpareBytes1;
283 thread_data->debug_info = &debug_info;
284 InsertHeadList( &tls_links, &teb->TlsLinks );
285
286 thread_info.stack_base = NULL;
287 thread_info.stack_size = 0;
288 thread_info.teb_base = teb;
289 thread_info.teb_sel = thread_regs->fs;
290 wine_pthread_get_functions( &pthread_functions, sizeof(pthread_functions) );
291 pthread_functions.init_current_teb( &thread_info );
292 pthread_functions.init_thread( &thread_info );
293 virtual_init_threading();
294
295 debug_info.str_pos = debug_info.strings;
296 debug_info.out_pos = debug_info.output;
297 debug_init();
298
299 /* setup the server connection */
300 server_init_process();
301 info_size = server_init_thread( thread_info.pid, thread_info.tid, NULL );
302
303 /* create the process heap */
304 if (!(peb->ProcessHeap = RtlCreateHeap( HEAP_GROWABLE, NULL, 0, 0, NULL, NULL )))
305 {
306 MESSAGE( "wine: failed to create the process heap\n" );
307 exit(1);
308 }
309
310 /* allocate user parameters */
311 if (info_size)
312 {
313 init_user_process_params( info_size, &exe_file );
314 }
315 else
316 {
317 /* This is wine specific: we have no parent (we're started from unix)
318 * so, create a simple console with bare handles to unix stdio
319 */
320 wine_server_fd_to_handle( 0, GENERIC_READ|SYNCHRONIZE, OBJ_INHERIT, &params.hStdInput );
321 wine_server_fd_to_handle( 1, GENERIC_WRITE|SYNCHRONIZE, OBJ_INHERIT, &params.hStdOutput );
322 wine_server_fd_to_handle( 2, GENERIC_WRITE|SYNCHRONIZE, OBJ_INHERIT, &params.hStdError );
323 }
324
325 /* initialize LDT locking */
326 wine_ldt_init_locking( ldt_lock, ldt_unlock );
327
328 return exe_file;
329 }
330
331 typedef LONG (WINAPI *PUNHANDLED_EXCEPTION_FILTER)(PEXCEPTION_POINTERS);
332 static PUNHANDLED_EXCEPTION_FILTER get_unhandled_exception_filter(void)
333 {
334 static PUNHANDLED_EXCEPTION_FILTER unhandled_exception_filter;
335 static const WCHAR kernel32W[] = {'k','e','r','n','e','l','3','2','.','d','l','l',0};
336 UNICODE_STRING module_name;
337 ANSI_STRING func_name;
338 HMODULE kernel32_handle;
339
340 if (unhandled_exception_filter) return unhandled_exception_filter;
341
342 RtlInitUnicodeString(&module_name, kernel32W);
343 RtlInitAnsiString( &func_name, "UnhandledExceptionFilter" );
344
345 if (LdrGetDllHandle( 0, 0, &module_name, &kernel32_handle ) == STATUS_SUCCESS)
346 LdrGetProcedureAddress( kernel32_handle, &func_name, 0,
347 (void **)&unhandled_exception_filter );
348
349 return unhandled_exception_filter;
350 }
351
352 #ifdef __i386__
353 /* wrapper for apps that don't declare the thread function correctly */
354 extern DWORD call_thread_entry_point( PRTL_THREAD_START_ROUTINE entry, void *arg );
355 __ASM_GLOBAL_FUNC(call_thread_entry_point,
356 "pushl %ebp\n\t"
357 "movl %esp,%ebp\n\t"
358 "subl $4,%esp\n\t"
359 "pushl 12(%ebp)\n\t"
360 "movl 8(%ebp),%eax\n\t"
361 "call *%eax\n\t"
362 "leave\n\t"
363 "ret" );
364 #else
365 static inline DWORD call_thread_entry_point( PRTL_THREAD_START_ROUTINE entry, void *arg )
366 {
367 LPTHREAD_START_ROUTINE func = (LPTHREAD_START_ROUTINE)entry;
368 return func( arg );
369 }
370 #endif
371
372 /***********************************************************************
373 * call_thread_func
374 *
375 * Hack to make things compatible with the thread procedures used by kernel32.CreateThread.
376 */
377 static void DECLSPEC_NORETURN call_thread_func( PRTL_THREAD_START_ROUTINE rtl_func, void *arg )
378 {
379 DWORD exit_code;
380 BOOL last;
381
382 MODULE_DllThreadAttach( NULL );
383
384 if (TRACE_ON(relay))
385 DPRINTF( "%04x:Starting thread proc %p (arg=%p)\n", GetCurrentThreadId(), rtl_func, arg );
386
387 exit_code = call_thread_entry_point( rtl_func, arg );
388
389 /* send the exit code to the server */
390 SERVER_START_REQ( terminate_thread )
391 {
392 req->handle = GetCurrentThread();
393 req->exit_code = exit_code;
394 wine_server_call( req );
395 last = reply->last;
396 }
397 SERVER_END_REQ;
398
399 if (last)
400 {
401 LdrShutdownProcess();
402 exit( exit_code );
403 }
404 else
405 {
406 LdrShutdownThread();
407 server_exit_thread( exit_code );
408 }
409 }
410
411
412 /***********************************************************************
413 * start_thread
414 *
415 * Startup routine for a newly created thread.
416 */
417 static void start_thread( struct wine_pthread_thread_info *info )
418 {
419 TEB *teb = info->teb_base;
420 struct ntdll_thread_data *thread_data = (struct ntdll_thread_data *)teb->SystemReserved2;
421 struct startup_info *startup_info = (struct startup_info *)info;
422 PRTL_THREAD_START_ROUTINE func = startup_info->entry_point;
423 void *arg = startup_info->entry_arg;
424 struct debug_info debug_info;
425 SIZE_T size, page_size = getpagesize();
426
427 debug_info.str_pos = debug_info.strings;
428 debug_info.out_pos = debug_info.output;
429 thread_data->debug_info = &debug_info;
430
431 pthread_functions.init_current_teb( info );
432 SIGNAL_Init();
433 server_init_thread( info->pid, info->tid, func );
434 pthread_functions.init_thread( info );
435
436 /* allocate a memory view for the stack */
437 size = info->stack_size;
438 teb->DeallocationStack = info->stack_base;
439 NtAllocateVirtualMemory( NtCurrentProcess(), &teb->DeallocationStack, 0,
440 &size, MEM_SYSTEM, PAGE_READWRITE );
441 /* limit is lower than base since the stack grows down */
442 teb->Tib.StackBase = (char *)info->stack_base + info->stack_size;
443 teb->Tib.StackLimit = (char *)info->stack_base + page_size;
444
445 /* setup the guard page */
446 size = page_size;
447 NtProtectVirtualMemory( NtCurrentProcess(), &teb->DeallocationStack, &size, PAGE_NOACCESS, NULL );
448
449 pthread_functions.sigprocmask( SIG_UNBLOCK, &server_block_set, NULL );
450
451 RtlAcquirePebLock();
452 InsertHeadList( &tls_links, &teb->TlsLinks );
453 RtlReleasePebLock();
454
455 /* NOTE: Windows does not have an exception handler around the call to
456 * the thread attach. We do for ease of debugging */
457 if (get_unhandled_exception_filter())
458 {
459 __TRY
460 {
461 call_thread_func( func, arg );
462 }
463 __EXCEPT(get_unhandled_exception_filter())
464 {
465 NtTerminateThread( GetCurrentThread(), GetExceptionCode() );
466 }
467 __ENDTRY
468 }
469 else
470 call_thread_func( func, arg );
471 }
472
473
474 /***********************************************************************
475 * RtlCreateUserThread (NTDLL.@)
476 */
477 NTSTATUS WINAPI RtlCreateUserThread( HANDLE process, const SECURITY_DESCRIPTOR *descr,
478 BOOLEAN suspended, PVOID stack_addr,
479 SIZE_T stack_reserve, SIZE_T stack_commit,
480 PRTL_THREAD_START_ROUTINE start, void *param,
481 HANDLE *handle_ptr, CLIENT_ID *id )
482 {
483 sigset_t sigset;
484 struct ntdll_thread_data *thread_data;
485 struct ntdll_thread_regs *thread_regs = NULL;
486 struct startup_info *info = NULL;
487 void *addr = NULL;
488 HANDLE handle = 0;
489 TEB *teb;
490 DWORD tid = 0;
491 int request_pipe[2];
492 NTSTATUS status;
493 SIZE_T size, page_size = getpagesize();
494
495 if (process != NtCurrentProcess())
496 {
497 apc_call_t call;
498 apc_result_t result;
499
500 call.create_thread.type = APC_CREATE_THREAD;
501 call.create_thread.func = start;
502 call.create_thread.arg = param;
503 call.create_thread.reserve = stack_reserve;
504 call.create_thread.commit = stack_commit;
505 call.create_thread.suspend = suspended;
506 status = NTDLL_queue_process_apc( process, &call, &result );
507 if (status != STATUS_SUCCESS) return status;
508
509 if (result.create_thread.status == STATUS_SUCCESS)
510 {
511 if (id) id->UniqueThread = (HANDLE)result.create_thread.tid;
512 if (handle_ptr) *handle_ptr = result.create_thread.handle;
513 else NtClose( result.create_thread.handle );
514 }
515 return result.create_thread.status;
516 }
517
518 if (pipe( request_pipe ) == -1) return STATUS_TOO_MANY_OPENED_FILES;
519 fcntl( request_pipe[1], F_SETFD, 1 ); /* set close on exec flag */
520 wine_server_send_fd( request_pipe[0] );
521
522 SERVER_START_REQ( new_thread )
523 {
524 req->access = THREAD_ALL_ACCESS;
525 req->attributes = 0; /* FIXME */
526 req->suspend = suspended;
527 req->request_fd = request_pipe[0];
528 if (!(status = wine_server_call( req )))
529 {
530 handle = reply->handle;
531 tid = reply->tid;
532 }
533 close( request_pipe[0] );
534 }
535 SERVER_END_REQ;
536
537 if (status)
538 {
539 close( request_pipe[1] );
540 return status;
541 }
542
543 pthread_functions.sigprocmask( SIG_BLOCK, &server_block_set, &sigset );
544
545 addr = NULL;
546 size = sigstack_total_size;
547 if ((status = NtAllocateVirtualMemory( NtCurrentProcess(), &addr, sigstack_zero_bits,
548 &size, MEM_COMMIT | MEM_TOP_DOWN, PAGE_READWRITE )))
549 goto error;
550 teb = addr;
551 teb->Peb = NtCurrentTeb()->Peb;
552 info = (struct startup_info *)(teb + 1);
553 info->pthread_info.teb_size = size;
554 if ((status = init_teb( teb ))) goto error;
555
556 teb->ClientId.UniqueProcess = (HANDLE)GetCurrentProcessId();
557 teb->ClientId.UniqueThread = (HANDLE)tid;
558
559 thread_data = (struct ntdll_thread_data *)teb->SystemReserved2;
560 thread_regs = (struct ntdll_thread_regs *)teb->SpareBytes1;
561 thread_data->request_fd = request_pipe[1];
562
563 info->pthread_info.teb_base = teb;
564 info->pthread_info.teb_sel = thread_regs->fs;
565
566 /* inherit debug registers from parent thread */
567 thread_regs->dr0 = ntdll_get_thread_regs()->dr0;
568 thread_regs->dr1 = ntdll_get_thread_regs()->dr1;
569 thread_regs->dr2 = ntdll_get_thread_regs()->dr2;
570 thread_regs->dr3 = ntdll_get_thread_regs()->dr3;
571 thread_regs->dr6 = ntdll_get_thread_regs()->dr6;
572 thread_regs->dr7 = ntdll_get_thread_regs()->dr7;
573
574 if (!stack_reserve || !stack_commit)
575 {
576 IMAGE_NT_HEADERS *nt = RtlImageNtHeader( NtCurrentTeb()->Peb->ImageBaseAddress );
577 if (!stack_reserve) stack_reserve = nt->OptionalHeader.SizeOfStackReserve;
578 if (!stack_commit) stack_commit = nt->OptionalHeader.SizeOfStackCommit;
579 }
580 if (stack_reserve < stack_commit) stack_reserve = stack_commit;
581 stack_reserve += page_size; /* for the guard page */
582 stack_reserve = (stack_reserve + 0xffff) & ~0xffff; /* round to 64K boundary */
583 if (stack_reserve < 1024 * 1024) stack_reserve = 1024 * 1024; /* Xlib needs a large stack */
584
585 info->pthread_info.stack_base = NULL;
586 info->pthread_info.stack_size = stack_reserve;
587 info->pthread_info.entry = start_thread;
588 info->entry_point = start;
589 info->entry_arg = param;
590
591 if (pthread_functions.create_thread( &info->pthread_info ) == -1)
592 {
593 status = STATUS_NO_MEMORY;
594 goto error;
595 }
596 pthread_functions.sigprocmask( SIG_SETMASK, &sigset, NULL );
597
598 if (id) id->UniqueThread = (HANDLE)tid;
599 if (handle_ptr) *handle_ptr = handle;
600 else NtClose( handle );
601
602 return STATUS_SUCCESS;
603
604 error:
605 if (thread_regs) wine_ldt_free_fs( thread_regs->fs );
606 if (addr)
607 {
608 SIZE_T size = 0;
609 NtFreeVirtualMemory( NtCurrentProcess(), &addr, &size, MEM_RELEASE );
610 }
611 if (handle) NtClose( handle );
612 pthread_functions.sigprocmask( SIG_SETMASK, &sigset, NULL );
613 close( request_pipe[1] );
614 return status;
615 }
616
617
618 /***********************************************************************
619 * RtlExitUserThread (NTDLL.@)
620 */
621 void WINAPI RtlExitUserThread( ULONG status )
622 {
623 LdrShutdownThread();
624 server_exit_thread( status );
625 }
626
627
628 /***********************************************************************
629 * NtOpenThread (NTDLL.@)
630 * ZwOpenThread (NTDLL.@)
631 */
632 NTSTATUS WINAPI NtOpenThread( HANDLE *handle, ACCESS_MASK access,
633 const OBJECT_ATTRIBUTES *attr, const CLIENT_ID *id )
634 {
635 NTSTATUS ret;
636
637 SERVER_START_REQ( open_thread )
638 {
639 req->tid = (thread_id_t)id->UniqueThread;
640 req->access = access;
641 req->attributes = attr ? attr->Attributes : 0;
642 ret = wine_server_call( req );
643 *handle = reply->handle;
644 }
645 SERVER_END_REQ;
646 return ret;
647 }
648
649
650 /******************************************************************************
651 * NtSuspendThread (NTDLL.@)
652 * ZwSuspendThread (NTDLL.@)
653 */
654 NTSTATUS WINAPI NtSuspendThread( HANDLE handle, PULONG count )
655 {
656 NTSTATUS ret;
657
658 SERVER_START_REQ( suspend_thread )
659 {
660 req->handle = handle;
661 if (!(ret = wine_server_call( req ))) *count = reply->count;
662 }
663 SERVER_END_REQ;
664 return ret;
665 }
666
667
668 /******************************************************************************
669 * NtResumeThread (NTDLL.@)
670 * ZwResumeThread (NTDLL.@)
671 */
672 NTSTATUS WINAPI NtResumeThread( HANDLE handle, PULONG count )
673 {
674 NTSTATUS ret;
675
676 SERVER_START_REQ( resume_thread )
677 {
678 req->handle = handle;
679 if (!(ret = wine_server_call( req ))) *count = reply->count;
680 }
681 SERVER_END_REQ;
682 return ret;
683 }
684
685
686 /******************************************************************************
687 * NtAlertResumeThread (NTDLL.@)
688 * ZwAlertResumeThread (NTDLL.@)
689 */
690 NTSTATUS WINAPI NtAlertResumeThread( HANDLE handle, PULONG count )
691 {
692 FIXME( "stub: should alert thread %p\n", handle );
693 return NtResumeThread( handle, count );
694 }
695
696
697 /******************************************************************************
698 * NtAlertThread (NTDLL.@)
699 * ZwAlertThread (NTDLL.@)
700 */
701 NTSTATUS WINAPI NtAlertThread( HANDLE handle )
702 {
703 FIXME( "stub: %p\n", handle );
704 return STATUS_NOT_IMPLEMENTED;
705 }
706
707
708 /******************************************************************************
709 * NtTerminateThread (NTDLL.@)
710 * ZwTerminateThread (NTDLL.@)
711 */
712 NTSTATUS WINAPI NtTerminateThread( HANDLE handle, LONG exit_code )
713 {
714 NTSTATUS ret;
715 BOOL self, last;
716
717 SERVER_START_REQ( terminate_thread )
718 {
719 req->handle = handle;
720 req->exit_code = exit_code;
721 ret = wine_server_call( req );
722 self = !ret && reply->self;
723 last = reply->last;
724 }
725 SERVER_END_REQ;
726
727 if (self)
728 {
729 if (last) exit( exit_code );
730 else server_abort_thread( exit_code );
731 }
732 return ret;
733 }
734
735
736 /******************************************************************************
737 * NtQueueApcThread (NTDLL.@)
738 */
739 NTSTATUS WINAPI NtQueueApcThread( HANDLE handle, PNTAPCFUNC func, ULONG_PTR arg1,
740 ULONG_PTR arg2, ULONG_PTR arg3 )
741 {
742 NTSTATUS ret;
743 SERVER_START_REQ( queue_apc )
744 {
745 req->thread = handle;
746 if (func)
747 {
748 req->call.type = APC_USER;
749 req->call.user.func = func;
750 req->call.user.args[0] = arg1;
751 req->call.user.args[1] = arg2;
752 req->call.user.args[2] = arg3;
753 }
754 else req->call.type = APC_NONE; /* wake up only */
755 ret = wine_server_call( req );
756 }
757 SERVER_END_REQ;
758 return ret;
759 }
760
761
762 /***********************************************************************
763 * NtSetContextThread (NTDLL.@)
764 * ZwSetContextThread (NTDLL.@)
765 */
766 NTSTATUS WINAPI NtSetContextThread( HANDLE handle, const CONTEXT *context )
767 {
768 NTSTATUS ret;
769 DWORD dummy, i;
770 BOOL self = FALSE;
771
772 #ifdef __i386__
773 /* on i386 debug registers always require a server call */
774 self = (handle == GetCurrentThread());
775 if (self && (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386)))
776 {
777 struct ntdll_thread_regs * const regs = ntdll_get_thread_regs();
778 self = (regs->dr0 == context->Dr0 && regs->dr1 == context->Dr1 &&
779 regs->dr2 == context->Dr2 && regs->dr3 == context->Dr3 &&
780 regs->dr6 == context->Dr6 && regs->dr7 == context->Dr7);
781 }
782 #endif
783
784 if (!self)
785 {
786 SERVER_START_REQ( set_thread_context )
787 {
788 req->handle = handle;
789 req->flags = context->ContextFlags;
790 req->suspend = 0;
791 wine_server_add_data( req, context, sizeof(*context) );
792 ret = wine_server_call( req );
793 self = reply->self;
794 }
795 SERVER_END_REQ;
796
797 if (ret == STATUS_PENDING)
798 {
799 if (NtSuspendThread( handle, &dummy ) == STATUS_SUCCESS)
800 {
801 for (i = 0; i < 100; i++)
802 {
803 SERVER_START_REQ( set_thread_context )
804 {
805 req->handle = handle;
806 req->flags = context->ContextFlags;
807 req->suspend = 0;
808 wine_server_add_data( req, context, sizeof(*context) );
809 ret = wine_server_call( req );
810 }
811 SERVER_END_REQ;
812 if (ret != STATUS_PENDING) break;
813 NtYieldExecution();
814 }
815 NtResumeThread( handle, &dummy );
816 }
817 if (ret == STATUS_PENDING) ret = STATUS_ACCESS_DENIED;
818 }
819
820 if (ret) return ret;
821 }
822
823 if (self) set_cpu_context( context );
824 return STATUS_SUCCESS;
825 }
826
827
828 /* copy a context structure according to the flags */
829 static inline void copy_context( CONTEXT *to, const CONTEXT *from, DWORD flags )
830 {
831 #ifdef __i386__
832 flags &= ~CONTEXT_i386; /* get rid of CPU id */
833 if (flags & CONTEXT_INTEGER)
834 {
835 to->Eax = from->Eax;
836 to->Ebx = from->Ebx;
837 to->Ecx = from->Ecx;
838 to->Edx = from->Edx;
839 to->Esi = from->Esi;
840 to->Edi = from->Edi;
841 }
842 if (flags & CONTEXT_CONTROL)
843 {
844 to->Ebp = from->Ebp;
845 to->Esp = from->Esp;
846 to->Eip = from->Eip;
847 to->SegCs = from->SegCs;
848 to->SegSs = from->SegSs;
849 to->EFlags = from->EFlags;
850 }
851 if (flags & CONTEXT_SEGMENTS)
852 {
853 to->SegDs = from->SegDs;
854 to->SegEs = from->SegEs;
855 to->SegFs = from->SegFs;
856 to->SegGs = from->SegGs;
857 }
858 if (flags & CONTEXT_DEBUG_REGISTERS)
859 {
860 to->Dr0 = from->Dr0;
861 to->Dr1 = from->Dr1;
862 to->Dr2 = from->Dr2;
863 to->Dr3 = from->Dr3;
864 to->Dr6 = from->Dr6;
865 to->Dr7 = from->Dr7;
866 }
867 if (flags & CONTEXT_FLOATING_POINT)
868 {
869 to->FloatSave = from->FloatSave;
870 }
871 #elif defined(__x86_64__)
872 flags &= ~CONTEXT_AMD64; /* get rid of CPU id */
873 if (flags & CONTEXT_CONTROL)
874 {
875 to->Rbp = from->Rbp;
876 to->Rip = from->Rip;
877 to->Rsp = from->Rsp;
878 to->SegCs = from->SegCs;
879 to->SegSs = from->SegSs;
880 to->EFlags = from->EFlags;
881 to->MxCsr = from->MxCsr;
882 }
883 if (flags & CONTEXT_INTEGER)
884 {
885 to->Rax = from->Rax;
886 to->Rcx = from->Rcx;
887 to->Rdx = from->Rdx;
888 to->Rbx = from->Rbx;
889 to->Rsi = from->Rsi;
890 to->Rdi = from->Rdi;
891 to->R8 = from->R8;
892 to->R9 = from->R9;
893 to->R10 = from->R10;
894 to->R11 = from->R11;
895 to->R12 = from->R12;
896 to->R13 = from->R13;
897 to->R14 = from->R14;
898 to->R15 = from->R15;
899 }
900 if (flags & CONTEXT_SEGMENTS)
901 {
902 to->SegDs = from->SegDs;
903 to->SegEs = from->SegEs;
904 to->SegFs = from->SegFs;
905 to->SegGs = from->SegGs;
906 }
907 if (flags & CONTEXT_FLOATING_POINT)
908 {
909 to->u.FltSave = from->u.FltSave;
910 }
911 if (flags & CONTEXT_DEBUG_REGISTERS)
912 {
913 to->Dr0 = from->Dr0;
914 to->Dr1 = from->Dr1;
915 to->Dr2 = from->Dr2;
916 to->Dr3 = from->Dr3;
917 to->Dr6 = from->Dr6;
918 to->Dr7 = from->Dr7;
919 }
920 #elif defined(__sparc__)
921 flags &= ~CONTEXT_SPARC; /* get rid of CPU id */
922 if (flags & CONTEXT_CONTROL)
923 {
924 to->psr = from->psr;
925 to->pc = from->pc;
926 to->npc = from->npc;
927 to->y = from->y;
928 to->wim = from->wim;
929 to->tbr = from->tbr;
930 }
931 if (flags & CONTEXT_INTEGER)
932 {
933 to->g0 = from->g0;
934 to->g1 = from->g1;
935 to->g2 = from->g2;
936 to->g3 = from->g3;
937 to->g4 = from->g4;
938 to->g5 = from->g5;
939 to->g6 = from->g6;
940 to->g7 = from->g7;
941 to->o0 = from->o0;
942 to->o1 = from->o1;
943 to->o2 = from->o2;
944 to->o3 = from->o3;
945 to->o4 = from->o4;
946 to->o5 = from->o5;
947 to->o6 = from->o6;
948 to->o7 = from->o7;
949 to->l0 = from->l0;
950 to->l1 = from->l1;
951 to->l2 = from->l2;
952 to->l3 = from->l3;
953 to->l4 = from->l4;
954 to->l5 = from->l5;
955 to->l6 = from->l6;
956 to->l7 = from->l7;
957 to->i0 = from->i0;
958 to->i1 = from->i1;
959 to->i2 = from->i2;
960 to->i3 = from->i3;
961 to->i4 = from->i4;
962 to->i5 = from->i5;
963 to->i6 = from->i6;
964 to->i7 = from->i7;
965 }
966 if (flags & CONTEXT_FLOATING_POINT)
967 {
968 /* FIXME */
969 }
970 #elif defined(__powerpc__)
971 /* Has no CPU id */
972 if (flags & CONTEXT_CONTROL)
973 {
974 to->Msr = from->Msr;
975 to->Ctr = from->Ctr;
976 to->Iar = from->Iar;
977 }
978 if (flags & CONTEXT_INTEGER)
979 {
980 to->Gpr0 = from->Gpr0;
981 to->Gpr1 = from->Gpr1;
982 to->Gpr2 = from->Gpr2;
983 to->Gpr3 = from->Gpr3;
984 to->Gpr4 = from->Gpr4;
985 to->Gpr5 = from->Gpr5;
986 to->Gpr6 = from->Gpr6;
987 to->Gpr7 = from->Gpr7;
988 to->Gpr8 = from->Gpr8;
989 to->Gpr9 = from->Gpr9;
990 to->Gpr10 = from->Gpr10;
991 to->Gpr11 = from->Gpr11;
992 to->Gpr12 = from->Gpr12;
993 to->Gpr13 = from->Gpr13;
994 to->Gpr14 = from->Gpr14;
995 to->Gpr15 = from->Gpr15;
996 to->Gpr16 = from->Gpr16;
997 to->Gpr17 = from->Gpr17;
998 to->Gpr18 = from->Gpr18;
999 to->Gpr19 = from->Gpr19;
1000 to->Gpr20 = from->Gpr20;
1001 to->Gpr21 = from->Gpr21;
1002 to->Gpr22 = from->Gpr22;
1003 to->Gpr23 = from->Gpr23;
1004 to->Gpr24 = from->Gpr24;
1005 to->Gpr25 = from->Gpr25;
1006 to->Gpr26 = from->Gpr26;
1007 to->Gpr27 = from->Gpr27;
1008 to->Gpr28 = from->Gpr28;
1009 to->Gpr29 = from->Gpr29;
1010 to->Gpr30 = from->Gpr30;
1011 to->Gpr31 = from->Gpr31;
1012 to->Xer = from->Xer;
1013 to->Cr = from->Cr;
1014 }
1015 if (flags & CONTEXT_FLOATING_POINT)
1016 {
1017 to->Fpr0 = from->Fpr0;
1018 to->Fpr1 = from->Fpr1;
1019 to->Fpr2 = from->Fpr2;
1020 to->Fpr3 = from->Fpr3;
1021 to->Fpr4 = from->Fpr4;
1022 to->Fpr5 = from->Fpr5;
1023 to->Fpr6 = from->Fpr6;
1024 to->Fpr7 = from->Fpr7;
1025 to->Fpr8 = from->Fpr8;
1026 to->Fpr9 = from->Fpr9;
1027 to->Fpr10 = from->Fpr10;
1028 to->Fpr11 = from->Fpr11;
1029 to->Fpr12 = from->Fpr12;
1030 to->Fpr13 = from->Fpr13;
1031 to->Fpr14 = from->Fpr14;
1032 to->Fpr15 = from->Fpr15;
1033 to->Fpr16 = from->Fpr16;
1034 to->Fpr17 = from->Fpr17;
1035 to->Fpr18 = from->Fpr18;
1036 to->Fpr19 = from->Fpr19;
1037 to->Fpr20 = from->Fpr20;
1038 to->Fpr21 = from->Fpr21;
1039 to->Fpr22 = from->Fpr22;
1040 to->Fpr23 = from->Fpr23;
1041 to->Fpr24 = from->Fpr24;
1042 to->Fpr25 = from->Fpr25;
1043 to->Fpr26 = from->Fpr26;
1044 to->Fpr27 = from->Fpr27;
1045 to->Fpr28 = from->Fpr28;
1046 to->Fpr29 = from->Fpr29;
1047 to->Fpr30 = from->Fpr30;
1048 to->Fpr31 = from->Fpr31;
1049 to->Fpscr = from->Fpscr;
1050 }
1051 #else
1052 #error You must implement context copying for your CPU
1053 #endif
1054 }
1055
1056
1057 /***********************************************************************
1058 * NtGetContextThread (NTDLL.@)
1059 * ZwGetContextThread (NTDLL.@)
1060 */
1061 NTSTATUS WINAPI NtGetContextThread( HANDLE handle, CONTEXT *context )
1062 {
1063 NTSTATUS ret;
1064 CONTEXT ctx;
1065 DWORD dummy, i;
1066 DWORD needed_flags = context->ContextFlags;
1067 BOOL self = (handle == GetCurrentThread());
1068
1069 #ifdef __i386__
1070 /* on i386 debug registers always require a server call */
1071 if (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386)) self = FALSE;
1072 #endif
1073
1074 if (!self)
1075 {
1076 SERVER_START_REQ( get_thread_context )
1077 {
1078 req->handle = handle;
1079 req->flags = context->ContextFlags;
1080 req->suspend = 0;
1081 wine_server_set_reply( req, &ctx, sizeof(ctx) );
1082 ret = wine_server_call( req );
1083 self = reply->self;
1084 }
1085 SERVER_END_REQ;
1086
1087 if (ret == STATUS_PENDING)
1088 {
1089 if (NtSuspendThread( handle, &dummy ) == STATUS_SUCCESS)
1090 {
1091 for (i = 0; i < 100; i++)
1092 {
1093 SERVER_START_REQ( get_thread_context )
1094 {
1095 req->handle = handle;
1096 req->flags = context->ContextFlags;
1097 req->suspend = 0;
1098 wine_server_set_reply( req, &ctx, sizeof(ctx) );
1099 ret = wine_server_call( req );
1100 }
1101 SERVER_END_REQ;
1102 if (ret != STATUS_PENDING) break;
1103 NtYieldExecution();
1104 }
1105 NtResumeThread( handle, &dummy );
1106 }
1107 if (ret == STATUS_PENDING) ret = STATUS_ACCESS_DENIED;
1108 }
1109 if (ret) return ret;
1110 copy_context( context, &ctx, context->ContextFlags & ctx.ContextFlags );
1111 needed_flags &= ~ctx.ContextFlags;
1112 }
1113
1114 if (self)
1115 {
1116 if (needed_flags)
1117 {
1118 get_cpu_context( &ctx );
1119 copy_context( context, &ctx, ctx.ContextFlags & needed_flags );
1120 }
1121 #ifdef __i386__
1122 /* update the cached version of the debug registers */
1123 if (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386))
1124 {
1125 struct ntdll_thread_regs * const regs = ntdll_get_thread_regs();
1126 regs->dr0 = context->Dr0;
1127 regs->dr1 = context->Dr1;
1128 regs->dr2 = context->Dr2;
1129 regs->dr3 = context->Dr3;
1130 regs->dr6 = context->Dr6;
1131 regs->dr7 = context->Dr7;
1132 }
1133 #endif
1134 }
1135 return STATUS_SUCCESS;
1136 }
1137
1138
1139 /******************************************************************************
1140 * NtQueryInformationThread (NTDLL.@)
1141 * ZwQueryInformationThread (NTDLL.@)
1142 */
1143 NTSTATUS WINAPI NtQueryInformationThread( HANDLE handle, THREADINFOCLASS class,
1144 void *data, ULONG length, ULONG *ret_len )
1145 {
1146 NTSTATUS status;
1147
1148 switch(class)
1149 {
1150 case ThreadBasicInformation:
1151 {
1152 THREAD_BASIC_INFORMATION info;
1153
1154 SERVER_START_REQ( get_thread_info )
1155 {
1156 req->handle = handle;
1157 req->tid_in = 0;
1158 if (!(status = wine_server_call( req )))
1159 {
1160 info.ExitStatus = reply->exit_code;
1161 info.TebBaseAddress = reply->teb;
1162 info.ClientId.UniqueProcess = (HANDLE)reply->pid;
1163 info.ClientId.UniqueThread = (HANDLE)reply->tid;
1164 info.AffinityMask = reply->affinity;
1165 info.Priority = reply->priority;
1166 info.BasePriority = reply->priority; /* FIXME */
1167 }
1168 }
1169 SERVER_END_REQ;
1170 if (status == STATUS_SUCCESS)
1171 {
1172 if (data) memcpy( data, &info, min( length, sizeof(info) ));
1173 if (ret_len) *ret_len = min( length, sizeof(info) );
1174 }
1175 }
1176 return status;
1177 case ThreadTimes:
1178 {
1179 KERNEL_USER_TIMES kusrt;
1180 /* We need to do a server call to get the creation time or exit time */
1181 /* This works on any thread */
1182 SERVER_START_REQ( get_thread_info )
1183 {
1184 req->handle = handle;
1185 req->tid_in = 0;
1186 status = wine_server_call( req );
1187 if (status == STATUS_SUCCESS)
1188 {
1189 NTDLL_from_server_abstime( &kusrt.CreateTime, &reply->creation_time );
1190 NTDLL_from_server_abstime( &kusrt.ExitTime, &reply->exit_time );
1191 }
1192 }
1193 SERVER_END_REQ;
1194 if (status == STATUS_SUCCESS)
1195 {
1196 /* We call times(2) for kernel time or user time */
1197 /* We can only (portably) do this for the current thread */
1198 if (handle == GetCurrentThread())
1199 {
1200 struct tms time_buf;
1201 long clocks_per_sec = sysconf(_SC_CLK_TCK);
1202
1203 times(&time_buf);
1204 kusrt.KernelTime.QuadPart = (ULONGLONG)time_buf.tms_stime * 10000000 / clocks_per_sec;
1205 kusrt.UserTime.QuadPart = (ULONGLONG)time_buf.tms_utime * 10000000 / clocks_per_sec;
1206 }
1207 else
1208 {
1209 kusrt.KernelTime.QuadPart = 0;
1210 kusrt.UserTime.QuadPart = 0;
1211 FIXME("Cannot get kerneltime or usertime of other threads\n");
1212 }
1213 if (data) memcpy( data, &kusrt, min( length, sizeof(kusrt) ));
1214 if (ret_len) *ret_len = min( length, sizeof(kusrt) );
1215 }
1216 }
1217 return status;
1218 case ThreadDescriptorTableEntry:
1219 {
1220 #ifdef __i386__
1221 THREAD_DESCRIPTOR_INFORMATION* tdi = data;
1222 if (length < sizeof(*tdi))
1223 status = STATUS_INFO_LENGTH_MISMATCH;
1224 else if (!(tdi->Selector & 4)) /* GDT selector */
1225 {
1226 unsigned sel = tdi->Selector & ~3; /* ignore RPL */
1227 status = STATUS_SUCCESS;
1228 if (!sel) /* null selector */
1229 memset( &tdi->Entry, 0, sizeof(tdi->Entry) );
1230 else
1231 {
1232 tdi->Entry.BaseLow = 0;
1233 tdi->Entry.HighWord.Bits.BaseMid = 0;
1234 tdi->Entry.HighWord.Bits.BaseHi = 0;
1235 tdi->Entry.LimitLow = 0xffff;
1236 tdi->Entry.HighWord.Bits.LimitHi = 0xf;
1237 tdi->Entry.HighWord.Bits.Dpl = 3;
1238 tdi->Entry.HighWord.Bits.Sys = 0;
1239 tdi->Entry.HighWord.Bits.Pres = 1;
1240 tdi->Entry.HighWord.Bits.Granularity = 1;
1241 tdi->Entry.HighWord.Bits.Default_Big = 1;
1242 tdi->Entry.HighWord.Bits.Type = 0x12;
1243 /* it has to be one of the system GDT selectors */
1244 if (sel != (wine_get_ds() & ~3) && sel != (wine_get_ss() & ~3))
1245 {
1246 if (sel == (wine_get_cs() & ~3))
1247 tdi->Entry.HighWord.Bits.Type |= 8; /* code segment */
1248 else status = STATUS_ACCESS_DENIED;
1249 }
1250 }
1251 }
1252 else
1253 {
1254 SERVER_START_REQ( get_selector_entry )
1255 {
1256 req->handle = handle;
1257 req->entry = tdi->Selector >> 3;
1258 status = wine_server_call( req );
1259 if (!status)
1260 {
1261 if (!(reply->flags & WINE_LDT_FLAGS_ALLOCATED))
1262 status = STATUS_ACCESS_VIOLATION;
1263 else
1264 {
1265 wine_ldt_set_base ( &tdi->Entry, (void *)reply->base );
1266 wine_ldt_set_limit( &tdi->Entry, reply->limit );
1267 wine_ldt_set_flags( &tdi->Entry, reply->flags );
1268 }
1269 }
1270 }
1271 SERVER_END_REQ;
1272 }
1273 if (status == STATUS_SUCCESS && ret_len)
1274 /* yes, that's a bit strange, but it's the way it is */
1275 *ret_len = sizeof(LDT_ENTRY);
1276 #else
1277 status = STATUS_NOT_IMPLEMENTED;
1278 #endif
1279 return status;
1280 }
1281 case ThreadAmILastThread:
1282 {
1283 SERVER_START_REQ(get_thread_info)
1284 {
1285 req->handle = handle;
1286 req->tid_in = 0;
1287 status = wine_server_call( req );
1288 if (status == STATUS_SUCCESS)
1289 {
1290 BOOLEAN last = reply->last;
1291 if (data) memcpy( data, &last, min( length, sizeof(last) ));
1292 if (ret_len) *ret_len = min( length, sizeof(last) );
1293 }
1294 }
1295 SERVER_END_REQ;
1296 return status;
1297 }
1298 case ThreadPriority:
1299 case ThreadBasePriority:
1300 case ThreadAffinityMask:
1301 case ThreadImpersonationToken:
1302 case ThreadEnableAlignmentFaultFixup:
1303 case ThreadEventPair_Reusable:
1304 case ThreadQuerySetWin32StartAddress:
1305 case ThreadZeroTlsCell:
1306 case ThreadPerformanceCount:
1307 case ThreadIdealProcessor:
1308 case ThreadPriorityBoost:
1309 case ThreadSetTlsArrayAddress:
1310 case ThreadIsIoPending:
1311 default:
1312 FIXME( "info class %d not supported yet\n", class );
1313 return STATUS_NOT_IMPLEMENTED;
1314 }
1315 }
1316
1317
1318 /******************************************************************************
1319 * NtSetInformationThread (NTDLL.@)
1320 * ZwSetInformationThread (NTDLL.@)
1321 */
1322 NTSTATUS WINAPI NtSetInformationThread( HANDLE handle, THREADINFOCLASS class,
1323 LPCVOID data, ULONG length )
1324 {
1325 NTSTATUS status;
1326 switch(class)
1327 {
1328 case ThreadZeroTlsCell:
1329 if (handle == GetCurrentThread())
1330 {
1331 LIST_ENTRY *entry;
1332 DWORD index;
1333
1334 if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
1335 index = *(const DWORD *)data;
1336 if (index < TLS_MINIMUM_AVAILABLE)
1337 {
1338 RtlAcquirePebLock();
1339 for (entry = tls_links.Flink; entry != &tls_links; entry = entry->Flink)
1340 {
1341 TEB *teb = CONTAINING_RECORD(entry, TEB, TlsLinks);
1342 teb->TlsSlots[index] = 0;
1343 }
1344 RtlReleasePebLock();
1345 }
1346 else
1347 {
1348 index -= TLS_MINIMUM_AVAILABLE;
1349 if (index >= 8 * sizeof(NtCurrentTeb()->Peb->TlsExpansionBitmapBits))
1350 return STATUS_INVALID_PARAMETER;
1351 RtlAcquirePebLock();
1352 for (entry = tls_links.Flink; entry != &tls_links; entry = entry->Flink)
1353 {
1354 TEB *teb = CONTAINING_RECORD(entry, TEB, TlsLinks);
1355 if (teb->TlsExpansionSlots) teb->TlsExpansionSlots[index] = 0;
1356 }
1357 RtlReleasePebLock();
1358 }
1359 return STATUS_SUCCESS;
1360 }
1361 FIXME( "ZeroTlsCell not supported on other threads\n" );
1362 return STATUS_NOT_IMPLEMENTED;
1363
1364 case ThreadImpersonationToken:
1365 {
1366 const HANDLE *phToken = data;
1367 if (length != sizeof(HANDLE)) return STATUS_INVALID_PARAMETER;
1368 TRACE("Setting ThreadImpersonationToken handle to %p\n", *phToken );
1369 SERVER_START_REQ( set_thread_info )
1370 {
1371 req->handle = handle;
1372 req->token = *phToken;
1373 req->mask = SET_THREAD_INFO_TOKEN;
1374 status = wine_server_call( req );
1375 }
1376 SERVER_END_REQ;
1377 }
1378 return status;
1379 case ThreadBasePriority:
1380 {
1381 const DWORD *pprio = data;
1382 if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
1383 SERVER_START_REQ( set_thread_info )
1384 {
1385 req->handle = handle;
1386 req->priority = *pprio;
1387 req->mask = SET_THREAD_INFO_PRIORITY;
1388 status = wine_server_call( req );
1389 }
1390 SERVER_END_REQ;
1391 }
1392 return status;
1393 case ThreadAffinityMask:
1394 {
1395 const DWORD *paff = data;
1396 if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
1397 SERVER_START_REQ( set_thread_info )
1398 {
1399 req->handle = handle;
1400 req->affinity = *paff;
1401 req->mask = SET_THREAD_INFO_AFFINITY;
1402 status = wine_server_call( req );
1403 }
1404 SERVER_END_REQ;
1405 }
1406 return status;
1407 case ThreadBasicInformation:
1408 case ThreadTimes:
1409 case ThreadPriority:
1410 case ThreadDescriptorTableEntry:
1411 case ThreadEnableAlignmentFaultFixup:
1412 case ThreadEventPair_Reusable:
1413 case ThreadQuerySetWin32StartAddress:
1414 case ThreadPerformanceCount:
1415 case ThreadAmILastThread:
1416 case ThreadIdealProcessor:
1417 case ThreadPriorityBoost:
1418 case ThreadSetTlsArrayAddress:
1419 case ThreadIsIoPending:
1420 default:
1421 FIXME( "info class %d not supported yet\n", class );
1422 return STATUS_NOT_IMPLEMENTED;
1423 }
1424 }
1425
1426
1427 /**********************************************************************
1428 * NtCurrentTeb (NTDLL.@)
1429 */
1430 #if defined(__i386__) && defined(__GNUC__)
1431
1432 __ASM_GLOBAL_FUNC( NtCurrentTeb, ".byte 0x64\n\tmovl 0x18,%eax\n\tret" )
1433
1434 #elif defined(__i386__) && defined(_MSC_VER)
1435
1436 /* Nothing needs to be done. MS C "magically" exports the inline version from winnt.h */
1437
1438 #else
1439
1440 /**********************************************************************/
1441
1442 TEB * WINAPI NtCurrentTeb(void)
1443 {
1444 return pthread_functions.get_current_teb();
1445 }
1446
1447 #endif /* __i386__ */