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