advapi32: Test for OpenProcessToken with MAXIMUM_ALLOWED access.
[wine] / dlls / ntdll / thread.c
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
47 /* info passed to a starting thread */
48 struct startup_info
49 {
50     struct wine_pthread_thread_info pthread_info;
51     PRTL_THREAD_START_ROUTINE       entry_point;
52     void                           *entry_arg;
53 };
54
55 static PEB_LDR_DATA ldr;
56 static RTL_USER_PROCESS_PARAMETERS params;  /* default parameters if no parent */
57 static WCHAR current_dir[MAX_NT_PATH_LENGTH];
58 static RTL_BITMAP tls_bitmap;
59 static RTL_BITMAP tls_expansion_bitmap;
60 static LIST_ENTRY tls_links;
61 static size_t sigstack_total_size;
62 static ULONG sigstack_zero_bits;
63
64 struct wine_pthread_functions pthread_functions = { NULL };
65
66 /***********************************************************************
67  *           init_teb
68  */
69 static inline NTSTATUS init_teb( TEB *teb )
70 {
71     struct ntdll_thread_data *thread_data = (struct ntdll_thread_data *)teb->SystemReserved2;
72     struct ntdll_thread_regs *thread_regs = (struct ntdll_thread_regs *)teb->SpareBytes1;
73
74     teb->Tib.ExceptionList = (void *)~0UL;
75     teb->Tib.StackBase     = (void *)~0UL;
76     teb->Tib.Self          = &teb->Tib;
77     teb->StaticUnicodeString.Buffer        = teb->StaticUnicodeBuffer;
78     teb->StaticUnicodeString.MaximumLength = sizeof(teb->StaticUnicodeBuffer);
79
80     if (!(thread_regs->fs = wine_ldt_alloc_fs())) return STATUS_TOO_MANY_THREADS;
81     thread_data->request_fd = -1;
82     thread_data->reply_fd   = -1;
83     thread_data->wait_fd[0] = -1;
84     thread_data->wait_fd[1] = -1;
85
86     return STATUS_SUCCESS;
87 }
88
89
90 /***********************************************************************
91  *           free_teb
92  */
93 static inline void free_teb( TEB *teb )
94 {
95     SIZE_T size = 0;
96     void *addr = teb;
97     struct ntdll_thread_regs *thread_regs = (struct ntdll_thread_regs *)teb->SpareBytes1;
98
99     NtFreeVirtualMemory( NtCurrentProcess(), &addr, &size, MEM_RELEASE );
100     wine_ldt_free_fs( thread_regs->fs );
101     munmap( teb, sigstack_total_size );
102 }
103
104
105 /***********************************************************************
106  *           fix_unicode_string
107  *
108  * Make sure the unicode string doesn't point beyond the end pointer
109  */
110 static inline void fix_unicode_string( UNICODE_STRING *str, char *end_ptr )
111 {
112     if ((char *)str->Buffer >= end_ptr)
113     {
114         str->Length = str->MaximumLength = 0;
115         str->Buffer = NULL;
116         return;
117     }
118     if ((char *)str->Buffer + str->MaximumLength > end_ptr)
119     {
120         str->MaximumLength = (end_ptr - (char *)str->Buffer) & ~(sizeof(WCHAR) - 1);
121     }
122     if (str->Length >= str->MaximumLength)
123     {
124         if (str->MaximumLength >= sizeof(WCHAR))
125             str->Length = str->MaximumLength - sizeof(WCHAR);
126         else
127             str->Length = str->MaximumLength = 0;
128     }
129 }
130
131
132 /***********************************************************************
133  *           init_user_process_params
134  *
135  * Fill the RTL_USER_PROCESS_PARAMETERS structure from the server.
136  */
137 static NTSTATUS init_user_process_params( SIZE_T info_size, HANDLE *exe_file )
138 {
139     void *ptr;
140     SIZE_T env_size;
141     NTSTATUS status;
142     RTL_USER_PROCESS_PARAMETERS *params = NULL;
143
144     status = NtAllocateVirtualMemory( NtCurrentProcess(), (void **)&params, 0, &info_size,
145                                       MEM_COMMIT, PAGE_READWRITE );
146     if (status != STATUS_SUCCESS) return status;
147
148     params->AllocationSize = info_size;
149     NtCurrentTeb()->Peb->ProcessParameters = params;
150
151     SERVER_START_REQ( get_startup_info )
152     {
153         wine_server_set_reply( req, params, info_size );
154         if (!(status = wine_server_call( req )))
155         {
156             info_size = wine_server_reply_size( reply );
157             *exe_file = reply->exe_file;
158             params->hStdInput  = reply->hstdin;
159             params->hStdOutput = reply->hstdout;
160             params->hStdError  = reply->hstderr;
161         }
162     }
163     SERVER_END_REQ;
164     if (status != STATUS_SUCCESS) return status;
165
166     if (params->Size > info_size) params->Size = info_size;
167
168     /* make sure the strings are valid */
169     fix_unicode_string( &params->CurrentDirectory.DosPath, (char *)info_size );
170     fix_unicode_string( &params->DllPath, (char *)info_size );
171     fix_unicode_string( &params->ImagePathName, (char *)info_size );
172     fix_unicode_string( &params->CommandLine, (char *)info_size );
173     fix_unicode_string( &params->WindowTitle, (char *)info_size );
174     fix_unicode_string( &params->Desktop, (char *)info_size );
175     fix_unicode_string( &params->ShellInfo, (char *)info_size );
176     fix_unicode_string( &params->RuntimeInfo, (char *)info_size );
177
178     /* environment needs to be a separate memory block */
179     env_size = info_size - params->Size;
180     if (!env_size) env_size = 1;
181     ptr = NULL;
182     status = NtAllocateVirtualMemory( NtCurrentProcess(), &ptr, 0, &env_size,
183                                       MEM_COMMIT, PAGE_READWRITE );
184     if (status != STATUS_SUCCESS) return status;
185     memcpy( ptr, (char *)params + params->Size, info_size - params->Size );
186     params->Environment = ptr;
187
188     RtlNormalizeProcessParams( params );
189     return status;
190 }
191
192
193 /***********************************************************************
194  *           thread_init
195  *
196  * Setup the initial thread.
197  *
198  * NOTES: The first allocated TEB on NT is at 0x7ffde000.
199  */
200 HANDLE thread_init(void)
201 {
202     PEB *peb;
203     TEB *teb;
204     void *addr;
205     SIZE_T size, info_size;
206     HANDLE exe_file = 0;
207     struct ntdll_thread_data *thread_data;
208     struct ntdll_thread_regs *thread_regs;
209     struct wine_pthread_thread_info thread_info;
210     static struct debug_info debug_info;  /* debug info for initial thread */
211
212     virtual_init();
213
214     /* reserve space for shared user data */
215
216     addr = (void *)0x7ffe0000;
217     size = 0x10000;
218     NtAllocateVirtualMemory( NtCurrentProcess(), &addr, 0, &size, MEM_RESERVE, PAGE_READONLY );
219
220     /* allocate and initialize the PEB */
221
222     addr = NULL;
223     size = sizeof(*peb);
224     NtAllocateVirtualMemory( NtCurrentProcess(), &addr, 1, &size,
225                              MEM_COMMIT | MEM_TOP_DOWN, PAGE_READWRITE );
226     peb = addr;
227
228     peb->NumberOfProcessors = 1;
229     peb->ProcessParameters  = &params;
230     peb->TlsBitmap          = &tls_bitmap;
231     peb->TlsExpansionBitmap = &tls_expansion_bitmap;
232     peb->LdrData            = &ldr;
233     params.CurrentDirectory.DosPath.Buffer = current_dir;
234     params.CurrentDirectory.DosPath.MaximumLength = sizeof(current_dir);
235     params.wShowWindow = 1; /* SW_SHOWNORMAL */
236     RtlInitializeBitMap( &tls_bitmap, peb->TlsBitmapBits, sizeof(peb->TlsBitmapBits) * 8 );
237     RtlInitializeBitMap( &tls_expansion_bitmap, peb->TlsExpansionBitmapBits,
238                          sizeof(peb->TlsExpansionBitmapBits) * 8 );
239     InitializeListHead( &ldr.InLoadOrderModuleList );
240     InitializeListHead( &ldr.InMemoryOrderModuleList );
241     InitializeListHead( &ldr.InInitializationOrderModuleList );
242     InitializeListHead( &tls_links );
243
244     /* allocate and initialize the initial TEB */
245
246     sigstack_total_size = get_signal_stack_total_size();
247     while (1 << sigstack_zero_bits < sigstack_total_size) sigstack_zero_bits++;
248     assert( 1 << sigstack_zero_bits == sigstack_total_size );  /* must be a power of 2 */
249     thread_info.teb_size = sigstack_total_size;
250
251     addr = NULL;
252     size = sigstack_total_size;
253     NtAllocateVirtualMemory( NtCurrentProcess(), &addr, sigstack_zero_bits,
254                              &size, MEM_COMMIT | MEM_TOP_DOWN, PAGE_READWRITE );
255     teb = addr;
256     teb->Peb = peb;
257     thread_info.teb_size = size;
258     init_teb( teb );
259     thread_data = (struct ntdll_thread_data *)teb->SystemReserved2;
260     thread_regs = (struct ntdll_thread_regs *)teb->SpareBytes1;
261     thread_data->debug_info = &debug_info;
262     InsertHeadList( &tls_links, &teb->TlsLinks );
263
264     thread_info.stack_base = NULL;
265     thread_info.stack_size = 0;
266     thread_info.teb_base   = teb;
267     thread_info.teb_sel    = thread_regs->fs;
268     wine_pthread_get_functions( &pthread_functions, sizeof(pthread_functions) );
269     pthread_functions.init_current_teb( &thread_info );
270     pthread_functions.init_thread( &thread_info );
271     virtual_init_threading();
272
273     debug_info.str_pos = debug_info.strings;
274     debug_info.out_pos = debug_info.output;
275     debug_init();
276
277     /* setup the server connection */
278     server_init_process();
279     info_size = server_init_thread( thread_info.pid, thread_info.tid, NULL );
280
281     /* create the process heap */
282     if (!(peb->ProcessHeap = RtlCreateHeap( HEAP_GROWABLE, NULL, 0, 0, NULL, NULL )))
283     {
284         MESSAGE( "wine: failed to create the process heap\n" );
285         exit(1);
286     }
287
288     /* allocate user parameters */
289     if (info_size)
290     {
291         init_user_process_params( info_size, &exe_file );
292     }
293     else
294     {
295         /* This is wine specific: we have no parent (we're started from unix)
296          * so, create a simple console with bare handles to unix stdio
297          */
298         wine_server_fd_to_handle( 0, GENERIC_READ|SYNCHRONIZE,  OBJ_INHERIT, &params.hStdInput );
299         wine_server_fd_to_handle( 1, GENERIC_WRITE|SYNCHRONIZE, OBJ_INHERIT, &params.hStdOutput );
300         wine_server_fd_to_handle( 2, GENERIC_WRITE|SYNCHRONIZE, OBJ_INHERIT, &params.hStdError );
301     }
302     return exe_file;
303 }
304
305 typedef LONG (WINAPI *PUNHANDLED_EXCEPTION_FILTER)(PEXCEPTION_POINTERS);
306 static PUNHANDLED_EXCEPTION_FILTER get_unhandled_exception_filter(void)
307 {
308     static PUNHANDLED_EXCEPTION_FILTER unhandled_exception_filter;
309     static const WCHAR kernel32W[] = {'k','e','r','n','e','l','3','2','.','d','l','l',0};
310     UNICODE_STRING module_name;
311     ANSI_STRING func_name;
312     HMODULE kernel32_handle;
313
314     if (unhandled_exception_filter) return unhandled_exception_filter;
315
316     RtlInitUnicodeString(&module_name, kernel32W);
317     RtlInitAnsiString( &func_name, "UnhandledExceptionFilter" );
318
319     if (LdrGetDllHandle( 0, 0, &module_name, &kernel32_handle ) == STATUS_SUCCESS)
320         LdrGetProcedureAddress( kernel32_handle, &func_name, 0,
321                                 (void **)&unhandled_exception_filter );
322
323     return unhandled_exception_filter;
324 }
325
326 /***********************************************************************
327  *           start_thread
328  *
329  * Startup routine for a newly created thread.
330  */
331 static void start_thread( struct wine_pthread_thread_info *info )
332 {
333     TEB *teb = info->teb_base;
334     struct ntdll_thread_data *thread_data = (struct ntdll_thread_data *)teb->SystemReserved2;
335     struct startup_info *startup_info = (struct startup_info *)info;
336     PRTL_THREAD_START_ROUTINE func = startup_info->entry_point;
337     void *arg = startup_info->entry_arg;
338     struct debug_info debug_info;
339     SIZE_T size, page_size = getpagesize();
340
341     debug_info.str_pos = debug_info.strings;
342     debug_info.out_pos = debug_info.output;
343     thread_data->debug_info = &debug_info;
344
345     pthread_functions.init_current_teb( info );
346     SIGNAL_Init();
347     server_init_thread( info->pid, info->tid, func );
348     pthread_functions.init_thread( info );
349
350     /* allocate a memory view for the stack */
351     size = info->stack_size;
352     teb->DeallocationStack = info->stack_base;
353     NtAllocateVirtualMemory( NtCurrentProcess(), &teb->DeallocationStack, 0,
354                              &size, MEM_SYSTEM, PAGE_READWRITE );
355     /* limit is lower than base since the stack grows down */
356     teb->Tib.StackBase  = (char *)info->stack_base + info->stack_size;
357     teb->Tib.StackLimit = (char *)info->stack_base + page_size;
358
359     /* setup the guard page */
360     size = page_size;
361     NtProtectVirtualMemory( NtCurrentProcess(), &teb->DeallocationStack, &size, PAGE_NOACCESS, NULL );
362     RtlFreeHeap( GetProcessHeap(), 0, info );
363
364     RtlAcquirePebLock();
365     InsertHeadList( &tls_links, &teb->TlsLinks );
366     RtlReleasePebLock();
367
368     /* NOTE: Windows does not have an exception handler around the call to
369      * the thread attach. We do for ease of debugging */
370     if (get_unhandled_exception_filter())
371     {
372         __TRY
373         {
374             MODULE_DllThreadAttach( NULL );
375         }
376         __EXCEPT(get_unhandled_exception_filter())
377         {
378             NtTerminateThread( GetCurrentThread(), GetExceptionCode() );
379         }
380         __ENDTRY
381     }
382     else
383         MODULE_DllThreadAttach( NULL );
384
385     func( arg );
386 }
387
388
389 /***********************************************************************
390  *              RtlCreateUserThread   (NTDLL.@)
391  */
392 NTSTATUS WINAPI RtlCreateUserThread( HANDLE process, const SECURITY_DESCRIPTOR *descr,
393                                      BOOLEAN suspended, PVOID stack_addr,
394                                      SIZE_T stack_reserve, SIZE_T stack_commit,
395                                      PRTL_THREAD_START_ROUTINE start, void *param,
396                                      HANDLE *handle_ptr, CLIENT_ID *id )
397 {
398     struct ntdll_thread_data *thread_data;
399     struct ntdll_thread_regs *thread_regs = NULL;
400     struct startup_info *info = NULL;
401     void *addr = NULL;
402     HANDLE handle = 0;
403     TEB *teb;
404     DWORD tid = 0;
405     int request_pipe[2];
406     NTSTATUS status;
407     SIZE_T size, page_size = getpagesize();
408
409     if( ! is_current_process( process ) )
410     {
411         ERR("Unsupported on other process\n");
412         return STATUS_ACCESS_DENIED;
413     }
414
415     if (pipe( request_pipe ) == -1) return STATUS_TOO_MANY_OPENED_FILES;
416     fcntl( request_pipe[1], F_SETFD, 1 ); /* set close on exec flag */
417     wine_server_send_fd( request_pipe[0] );
418
419     SERVER_START_REQ( new_thread )
420     {
421         req->access     = THREAD_ALL_ACCESS;
422         req->attributes = 0;  /* FIXME */
423         req->suspend    = suspended;
424         req->request_fd = request_pipe[0];
425         if (!(status = wine_server_call( req )))
426         {
427             handle = reply->handle;
428             tid = reply->tid;
429         }
430         close( request_pipe[0] );
431     }
432     SERVER_END_REQ;
433
434     if (status) goto error;
435
436     if (!(info = RtlAllocateHeap( GetProcessHeap(), 0, sizeof(*info) )))
437     {
438         status = STATUS_NO_MEMORY;
439         goto error;
440     }
441
442     addr = NULL;
443     size = sigstack_total_size;
444     if ((status = NtAllocateVirtualMemory( NtCurrentProcess(), &addr, sigstack_zero_bits,
445                                            &size, MEM_COMMIT | MEM_TOP_DOWN, PAGE_READWRITE )))
446         goto error;
447     teb = addr;
448     teb->Peb = NtCurrentTeb()->Peb;
449     info->pthread_info.teb_size = size;
450     if ((status = init_teb( teb ))) goto error;
451
452     teb->ClientId.UniqueProcess = (HANDLE)GetCurrentProcessId();
453     teb->ClientId.UniqueThread  = (HANDLE)tid;
454
455     thread_data = (struct ntdll_thread_data *)teb->SystemReserved2;
456     thread_regs = (struct ntdll_thread_regs *)teb->SpareBytes1;
457     thread_data->request_fd  = request_pipe[1];
458
459     info->pthread_info.teb_base = teb;
460     info->pthread_info.teb_sel  = thread_regs->fs;
461
462     /* inherit debug registers from parent thread */
463     thread_regs->dr0 = ntdll_get_thread_regs()->dr0;
464     thread_regs->dr1 = ntdll_get_thread_regs()->dr1;
465     thread_regs->dr2 = ntdll_get_thread_regs()->dr2;
466     thread_regs->dr3 = ntdll_get_thread_regs()->dr3;
467     thread_regs->dr6 = ntdll_get_thread_regs()->dr6;
468     thread_regs->dr7 = ntdll_get_thread_regs()->dr7;
469
470     if (!stack_reserve || !stack_commit)
471     {
472         IMAGE_NT_HEADERS *nt = RtlImageNtHeader( NtCurrentTeb()->Peb->ImageBaseAddress );
473         if (!stack_reserve) stack_reserve = nt->OptionalHeader.SizeOfStackReserve;
474         if (!stack_commit) stack_commit = nt->OptionalHeader.SizeOfStackCommit;
475     }
476     if (stack_reserve < stack_commit) stack_reserve = stack_commit;
477     stack_reserve += page_size;  /* for the guard page */
478     stack_reserve = (stack_reserve + 0xffff) & ~0xffff;  /* round to 64K boundary */
479     if (stack_reserve < 1024 * 1024) stack_reserve = 1024 * 1024;  /* Xlib needs a large stack */
480
481     info->pthread_info.stack_base = NULL;
482     info->pthread_info.stack_size = stack_reserve;
483     info->pthread_info.entry      = start_thread;
484     info->entry_point             = start;
485     info->entry_arg               = param;
486
487     if (pthread_functions.create_thread( &info->pthread_info ) == -1)
488     {
489         status = STATUS_NO_MEMORY;
490         goto error;
491     }
492
493     if (id) id->UniqueThread = (HANDLE)tid;
494     if (handle_ptr) *handle_ptr = handle;
495     else NtClose( handle );
496
497     return STATUS_SUCCESS;
498
499 error:
500     if (thread_regs) wine_ldt_free_fs( thread_regs->fs );
501     if (addr)
502     {
503         SIZE_T size = 0;
504         NtFreeVirtualMemory( NtCurrentProcess(), &addr, &size, MEM_RELEASE );
505     }
506     RtlFreeHeap( GetProcessHeap(), 0, info );
507     if (handle) NtClose( handle );
508     close( request_pipe[1] );
509     return status;
510 }
511
512
513 /***********************************************************************
514  *           RtlExitUserThread  (NTDLL.@)
515  */
516 void WINAPI RtlExitUserThread( ULONG status )
517 {
518     LdrShutdownThread();
519     server_exit_thread( status );
520 }
521
522
523 /***********************************************************************
524  *              NtOpenThread   (NTDLL.@)
525  *              ZwOpenThread   (NTDLL.@)
526  */
527 NTSTATUS WINAPI NtOpenThread( HANDLE *handle, ACCESS_MASK access,
528                               const OBJECT_ATTRIBUTES *attr, const CLIENT_ID *id )
529 {
530     NTSTATUS ret;
531
532     SERVER_START_REQ( open_thread )
533     {
534         req->tid        = (thread_id_t)id->UniqueThread;
535         req->access     = access;
536         req->attributes = attr ? attr->Attributes : 0;
537         ret = wine_server_call( req );
538         *handle = reply->handle;
539     }
540     SERVER_END_REQ;
541     return ret;
542 }
543
544
545 /******************************************************************************
546  *              NtSuspendThread   (NTDLL.@)
547  *              ZwSuspendThread   (NTDLL.@)
548  */
549 NTSTATUS WINAPI NtSuspendThread( HANDLE handle, PULONG count )
550 {
551     NTSTATUS ret;
552
553     SERVER_START_REQ( suspend_thread )
554     {
555         req->handle = handle;
556         if (!(ret = wine_server_call( req ))) *count = reply->count;
557     }
558     SERVER_END_REQ;
559     return ret;
560 }
561
562
563 /******************************************************************************
564  *              NtResumeThread   (NTDLL.@)
565  *              ZwResumeThread   (NTDLL.@)
566  */
567 NTSTATUS WINAPI NtResumeThread( HANDLE handle, PULONG count )
568 {
569     NTSTATUS ret;
570
571     SERVER_START_REQ( resume_thread )
572     {
573         req->handle = handle;
574         if (!(ret = wine_server_call( req ))) *count = reply->count;
575     }
576     SERVER_END_REQ;
577     return ret;
578 }
579
580
581 /******************************************************************************
582  *              NtAlertResumeThread   (NTDLL.@)
583  *              ZwAlertResumeThread   (NTDLL.@)
584  */
585 NTSTATUS WINAPI NtAlertResumeThread( HANDLE handle, PULONG count )
586 {
587     FIXME( "stub: should alert thread %p\n", handle );
588     return NtResumeThread( handle, count );
589 }
590
591
592 /******************************************************************************
593  *              NtAlertThread   (NTDLL.@)
594  *              ZwAlertThread   (NTDLL.@)
595  */
596 NTSTATUS WINAPI NtAlertThread( HANDLE handle )
597 {
598     FIXME( "stub: %p\n", handle );
599     return STATUS_NOT_IMPLEMENTED;
600 }
601
602
603 /******************************************************************************
604  *              NtTerminateThread  (NTDLL.@)
605  *              ZwTerminateThread  (NTDLL.@)
606  */
607 NTSTATUS WINAPI NtTerminateThread( HANDLE handle, LONG exit_code )
608 {
609     NTSTATUS ret;
610     BOOL self, last;
611
612     SERVER_START_REQ( terminate_thread )
613     {
614         req->handle    = handle;
615         req->exit_code = exit_code;
616         ret = wine_server_call( req );
617         self = !ret && reply->self;
618         last = reply->last;
619     }
620     SERVER_END_REQ;
621
622     if (self)
623     {
624         if (last) exit( exit_code );
625         else server_abort_thread( exit_code );
626     }
627     return ret;
628 }
629
630
631 /******************************************************************************
632  *              NtQueueApcThread  (NTDLL.@)
633  */
634 NTSTATUS WINAPI NtQueueApcThread( HANDLE handle, PNTAPCFUNC func, ULONG_PTR arg1,
635                                   ULONG_PTR arg2, ULONG_PTR arg3 )
636 {
637     NTSTATUS ret;
638     SERVER_START_REQ( queue_apc )
639     {
640         req->handle = handle;
641         req->user   = 1;
642         req->func   = func;
643         req->arg1   = (void *)arg1;
644         req->arg2   = (void *)arg2;
645         req->arg3   = (void *)arg3;
646         ret = wine_server_call( req );
647     }
648     SERVER_END_REQ;
649     return ret;
650 }
651
652
653 /***********************************************************************
654  *              NtSetContextThread  (NTDLL.@)
655  *              ZwSetContextThread  (NTDLL.@)
656  */
657 NTSTATUS WINAPI NtSetContextThread( HANDLE handle, const CONTEXT *context )
658 {
659     NTSTATUS ret;
660     DWORD dummy, i;
661     BOOL self = FALSE;
662
663 #ifdef __i386__
664     /* on i386 debug registers always require a server call */
665     self = (handle == GetCurrentThread());
666     if (self && (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386)))
667     {
668         struct ntdll_thread_regs * const regs = ntdll_get_thread_regs();
669         self = (regs->dr0 == context->Dr0 && regs->dr1 == context->Dr1 &&
670                 regs->dr2 == context->Dr2 && regs->dr3 == context->Dr3 &&
671                 regs->dr6 == context->Dr6 && regs->dr7 == context->Dr7);
672     }
673 #endif
674
675     if (!self)
676     {
677         SERVER_START_REQ( set_thread_context )
678         {
679             req->handle  = handle;
680             req->flags   = context->ContextFlags;
681             req->suspend = 0;
682             wine_server_add_data( req, context, sizeof(*context) );
683             ret = wine_server_call( req );
684             self = reply->self;
685         }
686         SERVER_END_REQ;
687
688         if (ret == STATUS_PENDING)
689         {
690             if (NtSuspendThread( handle, &dummy ) == STATUS_SUCCESS)
691             {
692                 for (i = 0; i < 100; i++)
693                 {
694                     SERVER_START_REQ( set_thread_context )
695                     {
696                         req->handle  = handle;
697                         req->flags   = context->ContextFlags;
698                         req->suspend = 0;
699                         wine_server_add_data( req, context, sizeof(*context) );
700                         ret = wine_server_call( req );
701                     }
702                     SERVER_END_REQ;
703                     if (ret != STATUS_PENDING) break;
704                     NtYieldExecution();
705                 }
706                 NtResumeThread( handle, &dummy );
707             }
708             if (ret == STATUS_PENDING) ret = STATUS_ACCESS_DENIED;
709         }
710
711         if (ret) return ret;
712     }
713
714     if (self) set_cpu_context( context );
715     return STATUS_SUCCESS;
716 }
717
718
719 /* copy a context structure according to the flags */
720 static inline void copy_context( CONTEXT *to, const CONTEXT *from, DWORD flags )
721 {
722 #ifdef __i386__
723     flags &= ~CONTEXT_i386;  /* get rid of CPU id */
724     if (flags & CONTEXT_INTEGER)
725     {
726         to->Eax = from->Eax;
727         to->Ebx = from->Ebx;
728         to->Ecx = from->Ecx;
729         to->Edx = from->Edx;
730         to->Esi = from->Esi;
731         to->Edi = from->Edi;
732     }
733     if (flags & CONTEXT_CONTROL)
734     {
735         to->Ebp    = from->Ebp;
736         to->Esp    = from->Esp;
737         to->Eip    = from->Eip;
738         to->SegCs  = from->SegCs;
739         to->SegSs  = from->SegSs;
740         to->EFlags = from->EFlags;
741     }
742     if (flags & CONTEXT_SEGMENTS)
743     {
744         to->SegDs = from->SegDs;
745         to->SegEs = from->SegEs;
746         to->SegFs = from->SegFs;
747         to->SegGs = from->SegGs;
748     }
749     if (flags & CONTEXT_DEBUG_REGISTERS)
750     {
751         to->Dr0 = from->Dr0;
752         to->Dr1 = from->Dr1;
753         to->Dr2 = from->Dr2;
754         to->Dr3 = from->Dr3;
755         to->Dr6 = from->Dr6;
756         to->Dr7 = from->Dr7;
757     }
758     if (flags & CONTEXT_FLOATING_POINT)
759     {
760         to->FloatSave = from->FloatSave;
761     }
762 #elif defined(__x86_64__)
763     flags &= ~CONTEXT_AMD64;  /* get rid of CPU id */
764     if (flags & CONTEXT_CONTROL)
765     {
766         to->Rbp    = from->Rbp;
767         to->Rip    = from->Rip;
768         to->Rsp    = from->Rsp;
769         to->SegCs  = from->SegCs;
770         to->SegSs  = from->SegSs;
771         to->EFlags = from->EFlags;
772         to->MxCsr  = from->MxCsr;
773     }
774     if (flags & CONTEXT_INTEGER)
775     {
776         to->Rax = from->Rax;
777         to->Rcx = from->Rcx;
778         to->Rdx = from->Rdx;
779         to->Rbx = from->Rbx;
780         to->Rsi = from->Rsi;
781         to->Rdi = from->Rdi;
782         to->R8  = from->R8;
783         to->R9  = from->R9;
784         to->R10 = from->R10;
785         to->R11 = from->R11;
786         to->R12 = from->R12;
787         to->R13 = from->R13;
788         to->R14 = from->R14;
789         to->R15 = from->R15;
790     }
791     if (flags & CONTEXT_SEGMENTS)
792     {
793         to->SegDs = from->SegDs;
794         to->SegEs = from->SegEs;
795         to->SegFs = from->SegFs;
796         to->SegGs = from->SegGs;
797     }
798     if (flags & CONTEXT_FLOATING_POINT)
799     {
800         to->u.FltSave = from->u.FltSave;
801     }
802     if (flags & CONTEXT_DEBUG_REGISTERS)
803     {
804         to->Dr0 = from->Dr0;
805         to->Dr1 = from->Dr1;
806         to->Dr2 = from->Dr2;
807         to->Dr3 = from->Dr3;
808         to->Dr6 = from->Dr6;
809         to->Dr7 = from->Dr7;
810     }
811 #elif defined(__sparc__)
812     flags &= ~CONTEXT_SPARC;  /* get rid of CPU id */
813     if (flags & CONTEXT_CONTROL)
814     {
815         to->psr = from->psr;
816         to->pc  = from->pc;
817         to->npc = from->npc;
818         to->y   = from->y;
819         to->wim = from->wim;
820         to->tbr = from->tbr;
821     }
822     if (flags & CONTEXT_INTEGER)
823     {
824         to->g0 = from->g0;
825         to->g1 = from->g1;
826         to->g2 = from->g2;
827         to->g3 = from->g3;
828         to->g4 = from->g4;
829         to->g5 = from->g5;
830         to->g6 = from->g6;
831         to->g7 = from->g7;
832         to->o0 = from->o0;
833         to->o1 = from->o1;
834         to->o2 = from->o2;
835         to->o3 = from->o3;
836         to->o4 = from->o4;
837         to->o5 = from->o5;
838         to->o6 = from->o6;
839         to->o7 = from->o7;
840         to->l0 = from->l0;
841         to->l1 = from->l1;
842         to->l2 = from->l2;
843         to->l3 = from->l3;
844         to->l4 = from->l4;
845         to->l5 = from->l5;
846         to->l6 = from->l6;
847         to->l7 = from->l7;
848         to->i0 = from->i0;
849         to->i1 = from->i1;
850         to->i2 = from->i2;
851         to->i3 = from->i3;
852         to->i4 = from->i4;
853         to->i5 = from->i5;
854         to->i6 = from->i6;
855         to->i7 = from->i7;
856     }
857     if (flags & CONTEXT_FLOATING_POINT)
858     {
859         /* FIXME */
860     }
861 #elif defined(__powerpc__)
862     /* Has no CPU id */
863     if (flags & CONTEXT_CONTROL)
864     {
865         to->Msr = from->Msr;
866         to->Ctr = from->Ctr;
867         to->Iar = from->Iar;
868     }
869     if (flags & CONTEXT_INTEGER)
870     {
871         to->Gpr0  = from->Gpr0;
872         to->Gpr1  = from->Gpr1;
873         to->Gpr2  = from->Gpr2;
874         to->Gpr3  = from->Gpr3;
875         to->Gpr4  = from->Gpr4;
876         to->Gpr5  = from->Gpr5;
877         to->Gpr6  = from->Gpr6;
878         to->Gpr7  = from->Gpr7;
879         to->Gpr8  = from->Gpr8;
880         to->Gpr9  = from->Gpr9;
881         to->Gpr10 = from->Gpr10;
882         to->Gpr11 = from->Gpr11;
883         to->Gpr12 = from->Gpr12;
884         to->Gpr13 = from->Gpr13;
885         to->Gpr14 = from->Gpr14;
886         to->Gpr15 = from->Gpr15;
887         to->Gpr16 = from->Gpr16;
888         to->Gpr17 = from->Gpr17;
889         to->Gpr18 = from->Gpr18;
890         to->Gpr19 = from->Gpr19;
891         to->Gpr20 = from->Gpr20;
892         to->Gpr21 = from->Gpr21;
893         to->Gpr22 = from->Gpr22;
894         to->Gpr23 = from->Gpr23;
895         to->Gpr24 = from->Gpr24;
896         to->Gpr25 = from->Gpr25;
897         to->Gpr26 = from->Gpr26;
898         to->Gpr27 = from->Gpr27;
899         to->Gpr28 = from->Gpr28;
900         to->Gpr29 = from->Gpr29;
901         to->Gpr30 = from->Gpr30;
902         to->Gpr31 = from->Gpr31;
903         to->Xer   = from->Xer;
904         to->Cr    = from->Cr;
905     }
906     if (flags & CONTEXT_FLOATING_POINT)
907     {
908         to->Fpr0  = from->Fpr0;
909         to->Fpr1  = from->Fpr1;
910         to->Fpr2  = from->Fpr2;
911         to->Fpr3  = from->Fpr3;
912         to->Fpr4  = from->Fpr4;
913         to->Fpr5  = from->Fpr5;
914         to->Fpr6  = from->Fpr6;
915         to->Fpr7  = from->Fpr7;
916         to->Fpr8  = from->Fpr8;
917         to->Fpr9  = from->Fpr9;
918         to->Fpr10 = from->Fpr10;
919         to->Fpr11 = from->Fpr11;
920         to->Fpr12 = from->Fpr12;
921         to->Fpr13 = from->Fpr13;
922         to->Fpr14 = from->Fpr14;
923         to->Fpr15 = from->Fpr15;
924         to->Fpr16 = from->Fpr16;
925         to->Fpr17 = from->Fpr17;
926         to->Fpr18 = from->Fpr18;
927         to->Fpr19 = from->Fpr19;
928         to->Fpr20 = from->Fpr20;
929         to->Fpr21 = from->Fpr21;
930         to->Fpr22 = from->Fpr22;
931         to->Fpr23 = from->Fpr23;
932         to->Fpr24 = from->Fpr24;
933         to->Fpr25 = from->Fpr25;
934         to->Fpr26 = from->Fpr26;
935         to->Fpr27 = from->Fpr27;
936         to->Fpr28 = from->Fpr28;
937         to->Fpr29 = from->Fpr29;
938         to->Fpr30 = from->Fpr30;
939         to->Fpr31 = from->Fpr31;
940         to->Fpscr = from->Fpscr;
941     }
942 #else
943 #error You must implement context copying for your CPU
944 #endif
945 }
946
947
948 /***********************************************************************
949  *              NtGetContextThread  (NTDLL.@)
950  *              ZwGetContextThread  (NTDLL.@)
951  */
952 NTSTATUS WINAPI NtGetContextThread( HANDLE handle, CONTEXT *context )
953 {
954     NTSTATUS ret;
955     CONTEXT ctx;
956     DWORD dummy, i;
957     DWORD needed_flags = context->ContextFlags;
958     BOOL self = (handle == GetCurrentThread());
959
960 #ifdef __i386__
961     /* on i386 debug registers always require a server call */
962     if (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386)) self = FALSE;
963 #endif
964
965     if (!self)
966     {
967         SERVER_START_REQ( get_thread_context )
968         {
969             req->handle  = handle;
970             req->flags   = context->ContextFlags;
971             req->suspend = 0;
972             wine_server_set_reply( req, &ctx, sizeof(ctx) );
973             ret = wine_server_call( req );
974             self = reply->self;
975         }
976         SERVER_END_REQ;
977
978         if (ret == STATUS_PENDING)
979         {
980             if (NtSuspendThread( handle, &dummy ) == STATUS_SUCCESS)
981             {
982                 for (i = 0; i < 100; i++)
983                 {
984                     SERVER_START_REQ( get_thread_context )
985                     {
986                         req->handle  = handle;
987                         req->flags   = context->ContextFlags;
988                         req->suspend = 0;
989                         wine_server_set_reply( req, &ctx, sizeof(ctx) );
990                         ret = wine_server_call( req );
991                     }
992                     SERVER_END_REQ;
993                     if (ret != STATUS_PENDING) break;
994                     NtYieldExecution();
995                 }
996                 NtResumeThread( handle, &dummy );
997             }
998             if (ret == STATUS_PENDING) ret = STATUS_ACCESS_DENIED;
999         }
1000         if (ret) return ret;
1001         copy_context( context, &ctx, context->ContextFlags & ctx.ContextFlags );
1002         needed_flags &= ~ctx.ContextFlags;
1003     }
1004
1005     if (self)
1006     {
1007         if (needed_flags)
1008         {
1009             get_cpu_context( &ctx );
1010             copy_context( context, &ctx, ctx.ContextFlags & needed_flags );
1011         }
1012 #ifdef __i386__
1013         /* update the cached version of the debug registers */
1014         if (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386))
1015         {
1016             struct ntdll_thread_regs * const regs = ntdll_get_thread_regs();
1017             regs->dr0 = context->Dr0;
1018             regs->dr1 = context->Dr1;
1019             regs->dr2 = context->Dr2;
1020             regs->dr3 = context->Dr3;
1021             regs->dr6 = context->Dr6;
1022             regs->dr7 = context->Dr7;
1023         }
1024 #endif
1025     }
1026     return STATUS_SUCCESS;
1027 }
1028
1029
1030 /******************************************************************************
1031  *              NtQueryInformationThread  (NTDLL.@)
1032  *              ZwQueryInformationThread  (NTDLL.@)
1033  */
1034 NTSTATUS WINAPI NtQueryInformationThread( HANDLE handle, THREADINFOCLASS class,
1035                                           void *data, ULONG length, ULONG *ret_len )
1036 {
1037     NTSTATUS status;
1038
1039     switch(class)
1040     {
1041     case ThreadBasicInformation:
1042         {
1043             THREAD_BASIC_INFORMATION info;
1044
1045             SERVER_START_REQ( get_thread_info )
1046             {
1047                 req->handle = handle;
1048                 req->tid_in = 0;
1049                 if (!(status = wine_server_call( req )))
1050                 {
1051                     info.ExitStatus             = reply->exit_code;
1052                     info.TebBaseAddress         = reply->teb;
1053                     info.ClientId.UniqueProcess = (HANDLE)reply->pid;
1054                     info.ClientId.UniqueThread  = (HANDLE)reply->tid;
1055                     info.AffinityMask           = reply->affinity;
1056                     info.Priority               = reply->priority;
1057                     info.BasePriority           = reply->priority;  /* FIXME */
1058                 }
1059             }
1060             SERVER_END_REQ;
1061             if (status == STATUS_SUCCESS)
1062             {
1063                 if (data) memcpy( data, &info, min( length, sizeof(info) ));
1064                 if (ret_len) *ret_len = min( length, sizeof(info) );
1065             }
1066         }
1067         return status;
1068     case ThreadTimes:
1069         {
1070             KERNEL_USER_TIMES   kusrt;
1071             /* We need to do a server call to get the creation time or exit time */
1072             /* This works on any thread */
1073             SERVER_START_REQ( get_thread_info )
1074             {
1075                 req->handle = handle;
1076                 req->tid_in = 0;
1077                 status = wine_server_call( req );
1078                 if (status == STATUS_SUCCESS)
1079                 {
1080                     NTDLL_from_server_abstime( &kusrt.CreateTime, &reply->creation_time );
1081                     NTDLL_from_server_abstime( &kusrt.ExitTime, &reply->exit_time );
1082                 }
1083             }
1084             SERVER_END_REQ;
1085             if (status == STATUS_SUCCESS)
1086             {
1087                 /* We call times(2) for kernel time or user time */
1088                 /* We can only (portably) do this for the current thread */
1089                 if (handle == GetCurrentThread())
1090                 {
1091                     struct tms time_buf;
1092                     long clocks_per_sec = sysconf(_SC_CLK_TCK);
1093
1094                     times(&time_buf);
1095                     kusrt.KernelTime.QuadPart = (ULONGLONG)time_buf.tms_stime * 10000000 / clocks_per_sec;
1096                     kusrt.UserTime.QuadPart = (ULONGLONG)time_buf.tms_utime * 10000000 / clocks_per_sec;
1097                 }
1098                 else
1099                 {
1100                     kusrt.KernelTime.QuadPart = 0;
1101                     kusrt.UserTime.QuadPart = 0;
1102                     FIXME("Cannot get kerneltime or usertime of other threads\n");
1103                 }
1104                 if (data) memcpy( data, &kusrt, min( length, sizeof(kusrt) ));
1105                 if (ret_len) *ret_len = min( length, sizeof(kusrt) );
1106             }
1107         }
1108         return status;
1109     case ThreadDescriptorTableEntry:
1110         {
1111 #ifdef __i386__
1112             THREAD_DESCRIPTOR_INFORMATION*      tdi = data;
1113             if (length < sizeof(*tdi))
1114                 status = STATUS_INFO_LENGTH_MISMATCH;
1115             else if (!(tdi->Selector & 4))  /* GDT selector */
1116             {
1117                 unsigned sel = tdi->Selector & ~3;  /* ignore RPL */
1118                 status = STATUS_SUCCESS;
1119                 if (!sel)  /* null selector */
1120                     memset( &tdi->Entry, 0, sizeof(tdi->Entry) );
1121                 else
1122                 {
1123                     tdi->Entry.BaseLow                   = 0;
1124                     tdi->Entry.HighWord.Bits.BaseMid     = 0;
1125                     tdi->Entry.HighWord.Bits.BaseHi      = 0;
1126                     tdi->Entry.LimitLow                  = 0xffff;
1127                     tdi->Entry.HighWord.Bits.LimitHi     = 0xf;
1128                     tdi->Entry.HighWord.Bits.Dpl         = 3;
1129                     tdi->Entry.HighWord.Bits.Sys         = 0;
1130                     tdi->Entry.HighWord.Bits.Pres        = 1;
1131                     tdi->Entry.HighWord.Bits.Granularity = 1;
1132                     tdi->Entry.HighWord.Bits.Default_Big = 1;
1133                     tdi->Entry.HighWord.Bits.Type        = 0x12;
1134                     /* it has to be one of the system GDT selectors */
1135                     if (sel != (wine_get_ds() & ~3) && sel != (wine_get_ss() & ~3))
1136                     {
1137                         if (sel == (wine_get_cs() & ~3))
1138                             tdi->Entry.HighWord.Bits.Type |= 8;  /* code segment */
1139                         else status = STATUS_ACCESS_DENIED;
1140                     }
1141                 }
1142             }
1143             else
1144             {
1145                 SERVER_START_REQ( get_selector_entry )
1146                 {
1147                     req->handle = handle;
1148                     req->entry = tdi->Selector >> 3;
1149                     status = wine_server_call( req );
1150                     if (!status)
1151                     {
1152                         if (!(reply->flags & WINE_LDT_FLAGS_ALLOCATED))
1153                             status = STATUS_INVALID_LDT_OFFSET;
1154                         else
1155                         {
1156                             wine_ldt_set_base ( &tdi->Entry, (void *)reply->base );
1157                             wine_ldt_set_limit( &tdi->Entry, reply->limit );
1158                             wine_ldt_set_flags( &tdi->Entry, reply->flags );
1159                         }
1160                     }
1161                 }
1162                 SERVER_END_REQ;
1163             }
1164             if (status == STATUS_SUCCESS && ret_len) *ret_len = sizeof(*tdi);
1165 #else
1166             status = STATUS_NOT_IMPLEMENTED;
1167 #endif
1168             return status;
1169         }
1170     case ThreadAmILastThread:
1171         {
1172             SERVER_START_REQ(get_thread_info)
1173             {
1174                 req->handle = handle;
1175                 req->tid_in = 0;
1176                 status = wine_server_call( req );
1177                 if (status == STATUS_SUCCESS)
1178                 {
1179                     BOOLEAN last = reply->last;
1180                     if (data) memcpy( data, &last, min( length, sizeof(last) ));
1181                     if (ret_len) *ret_len = min( length, sizeof(last) );
1182                 }
1183             }
1184             SERVER_END_REQ;
1185             return status;
1186         }
1187     case ThreadPriority:
1188     case ThreadBasePriority:
1189     case ThreadAffinityMask:
1190     case ThreadImpersonationToken:
1191     case ThreadEnableAlignmentFaultFixup:
1192     case ThreadEventPair_Reusable:
1193     case ThreadQuerySetWin32StartAddress:
1194     case ThreadZeroTlsCell:
1195     case ThreadPerformanceCount:
1196     case ThreadIdealProcessor:
1197     case ThreadPriorityBoost:
1198     case ThreadSetTlsArrayAddress:
1199     case ThreadIsIoPending:
1200     default:
1201         FIXME( "info class %d not supported yet\n", class );
1202         return STATUS_NOT_IMPLEMENTED;
1203     }
1204 }
1205
1206
1207 /******************************************************************************
1208  *              NtSetInformationThread  (NTDLL.@)
1209  *              ZwSetInformationThread  (NTDLL.@)
1210  */
1211 NTSTATUS WINAPI NtSetInformationThread( HANDLE handle, THREADINFOCLASS class,
1212                                         LPCVOID data, ULONG length )
1213 {
1214     NTSTATUS status;
1215     switch(class)
1216     {
1217     case ThreadZeroTlsCell:
1218         if (handle == GetCurrentThread())
1219         {
1220             LIST_ENTRY *entry;
1221             DWORD index;
1222
1223             if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
1224             index = *(const DWORD *)data;
1225             if (index < TLS_MINIMUM_AVAILABLE)
1226             {
1227                 RtlAcquirePebLock();
1228                 for (entry = tls_links.Flink; entry != &tls_links; entry = entry->Flink)
1229                 {
1230                     TEB *teb = CONTAINING_RECORD(entry, TEB, TlsLinks);
1231                     teb->TlsSlots[index] = 0;
1232                 }
1233                 RtlReleasePebLock();
1234             }
1235             else
1236             {
1237                 index -= TLS_MINIMUM_AVAILABLE;
1238                 if (index >= 8 * sizeof(NtCurrentTeb()->Peb->TlsExpansionBitmapBits))
1239                     return STATUS_INVALID_PARAMETER;
1240                 RtlAcquirePebLock();
1241                 for (entry = tls_links.Flink; entry != &tls_links; entry = entry->Flink)
1242                 {
1243                     TEB *teb = CONTAINING_RECORD(entry, TEB, TlsLinks);
1244                     if (teb->TlsExpansionSlots) teb->TlsExpansionSlots[index] = 0;
1245                 }
1246                 RtlReleasePebLock();
1247             }
1248             return STATUS_SUCCESS;
1249         }
1250         FIXME( "ZeroTlsCell not supported on other threads\n" );
1251         return STATUS_NOT_IMPLEMENTED;
1252
1253     case ThreadImpersonationToken:
1254         {
1255             const HANDLE *phToken = data;
1256             if (length != sizeof(HANDLE)) return STATUS_INVALID_PARAMETER;
1257             TRACE("Setting ThreadImpersonationToken handle to %p\n", *phToken );
1258             SERVER_START_REQ( set_thread_info )
1259             {
1260                 req->handle   = handle;
1261                 req->token    = *phToken;
1262                 req->mask     = SET_THREAD_INFO_TOKEN;
1263                 status = wine_server_call( req );
1264             }
1265             SERVER_END_REQ;
1266         }
1267         return status;
1268     case ThreadBasePriority:
1269         {
1270             const DWORD *pprio = data;
1271             if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
1272             SERVER_START_REQ( set_thread_info )
1273             {
1274                 req->handle   = handle;
1275                 req->priority = *pprio;
1276                 req->mask     = SET_THREAD_INFO_PRIORITY;
1277                 status = wine_server_call( req );
1278             }
1279             SERVER_END_REQ;
1280         }
1281         return status;
1282     case ThreadAffinityMask:
1283         {
1284             const DWORD *paff = data;
1285             if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
1286             SERVER_START_REQ( set_thread_info )
1287             {
1288                 req->handle   = handle;
1289                 req->affinity = *paff;
1290                 req->mask     = SET_THREAD_INFO_AFFINITY;
1291                 status = wine_server_call( req );
1292             }
1293             SERVER_END_REQ;
1294         }
1295         return status;
1296     case ThreadBasicInformation:
1297     case ThreadTimes:
1298     case ThreadPriority:
1299     case ThreadDescriptorTableEntry:
1300     case ThreadEnableAlignmentFaultFixup:
1301     case ThreadEventPair_Reusable:
1302     case ThreadQuerySetWin32StartAddress:
1303     case ThreadPerformanceCount:
1304     case ThreadAmILastThread:
1305     case ThreadIdealProcessor:
1306     case ThreadPriorityBoost:
1307     case ThreadSetTlsArrayAddress:
1308     case ThreadIsIoPending:
1309     default:
1310         FIXME( "info class %d not supported yet\n", class );
1311         return STATUS_NOT_IMPLEMENTED;
1312     }
1313 }
1314
1315
1316 /**********************************************************************
1317  *           NtCurrentTeb   (NTDLL.@)
1318  */
1319 #if defined(__i386__) && defined(__GNUC__)
1320
1321 __ASM_GLOBAL_FUNC( NtCurrentTeb, ".byte 0x64\n\tmovl 0x18,%eax\n\tret" );
1322
1323 #elif defined(__i386__) && defined(_MSC_VER)
1324
1325 /* Nothing needs to be done. MS C "magically" exports the inline version from winnt.h */
1326
1327 #else
1328
1329 /**********************************************************************/
1330
1331 TEB * WINAPI NtCurrentTeb(void)
1332 {
1333     return pthread_functions.get_current_teb();
1334 }
1335
1336 #endif  /* __i386__ */