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 <stdarg.h>
  26 #include <sys/types.h>
  27 #ifdef HAVE_SYS_MMAN_H
  28 #include <sys/mman.h>
  29 #endif
  30 #ifdef HAVE_SYS_TIMES_H
  31 #include <sys/times.h>
  32 #endif
  33
  34 #define NONAMELESSUNION
  35 #include "ntstatus.h"
  36 #define WIN32_NO_STATUS
  37 #include "winternl.h"
  38 #include "wine/library.h"
  39 #include "wine/server.h"
  40 #include "wine/debug.h"
  41 #include "ntdll_misc.h"
  42 #include "ddk/wdm.h"
  43 #include "wine/exception.h"
  44
  45 WINE_DEFAULT_DEBUG_CHANNEL(thread);
  46 WINE_DECLARE_DEBUG_CHANNEL(relay);
  47
  48 struct _KUSER_SHARED_DATA *user_shared_data = NULL;
  49
  50 PUNHANDLED_EXCEPTION_FILTER unhandled_exception_filter = NULL;
  51
  52 /* info passed to a starting thread */
  53 struct startup_info
  54 {
  55     TEB                            *teb;
  56     PRTL_THREAD_START_ROUTINE       entry_point;
  57     void                           *entry_arg;
  58 };
  59
  60 static PEB_LDR_DATA ldr;
  61 static RTL_USER_PROCESS_PARAMETERS params;  /* default parameters if no parent */
  62 static WCHAR current_dir[MAX_NT_PATH_LENGTH];
  63 static RTL_BITMAP tls_bitmap;
  64 static RTL_BITMAP tls_expansion_bitmap;
  65 static RTL_BITMAP fls_bitmap;
  66 static LIST_ENTRY tls_links;
  67 static size_t sigstack_total_size;
  68 static ULONG sigstack_zero_bits;
  69 static int nb_threads = 1;
  70
  71 static RTL_CRITICAL_SECTION ldt_section;
  72 static RTL_CRITICAL_SECTION_DEBUG critsect_debug =
  73 {
  74     0, 0, &ldt_section,
  75     { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
  76       0, 0, { (DWORD_PTR)(__FILE__ ": ldt_section") }
  77 };
  78 static RTL_CRITICAL_SECTION ldt_section = { &critsect_debug, -1, 0, 0, 0, 0 };
  79 static sigset_t ldt_sigset;
  80
  81 /***********************************************************************
  82  *           locking for LDT routines
  83  */
  84 static void ldt_lock(void)
  85 {
  86     sigset_t sigset;
  87
  88     pthread_sigmask( SIG_BLOCK, &server_block_set, &sigset );
  89     RtlEnterCriticalSection( &ldt_section );
  90     if (ldt_section.RecursionCount == 1) ldt_sigset = sigset;
  91 }
  92
  93 static void ldt_unlock(void)
  94 {
  95     if (ldt_section.RecursionCount == 1)
  96     {
  97         sigset_t sigset = ldt_sigset;
  98         RtlLeaveCriticalSection( &ldt_section );
  99         pthread_sigmask( SIG_SETMASK, &sigset, NULL );
 100     }
 101     else RtlLeaveCriticalSection( &ldt_section );
 102 }
 103
 104
 105 /***********************************************************************
 106  *           init_teb
 107  */
 108 static inline NTSTATUS init_teb( TEB *teb )
 109 {
 110     struct ntdll_thread_data *thread_data = (struct ntdll_thread_data *)teb->SystemReserved2;
 111
 112     teb->Tib.ExceptionList = (void *)~0UL;
 113     teb->Tib.StackBase     = (void *)~0UL;
 114     teb->Tib.Self          = &teb->Tib;
 115     teb->StaticUnicodeString.Buffer        = teb->StaticUnicodeBuffer;
 116     teb->StaticUnicodeString.MaximumLength = sizeof(teb->StaticUnicodeBuffer);
 117
 118     if (!(thread_data->fs = wine_ldt_alloc_fs())) return STATUS_TOO_MANY_THREADS;
 119     thread_data->request_fd = -1;
 120     thread_data->reply_fd   = -1;
 121     thread_data->wait_fd[0] = -1;
 122     thread_data->wait_fd[1] = -1;
 123
 124     return STATUS_SUCCESS;
 125 }
 126
 127
 128 /***********************************************************************
 129  *           fix_unicode_string
 130  *
 131  * Make sure the unicode string doesn't point beyond the end pointer
 132  */
 133 static inline void fix_unicode_string( UNICODE_STRING *str, const char *end_ptr )
 134 {
 135     if ((char *)str->Buffer >= end_ptr)
 136     {
 137         str->Length = str->MaximumLength = 0;
 138         str->Buffer = NULL;
 139         return;
 140     }
 141     if ((char *)str->Buffer + str->MaximumLength > end_ptr)
 142     {
 143         str->MaximumLength = (end_ptr - (char *)str->Buffer) & ~(sizeof(WCHAR) - 1);
 144     }
 145     if (str->Length >= str->MaximumLength)
 146     {
 147         if (str->MaximumLength >= sizeof(WCHAR))
 148             str->Length = str->MaximumLength - sizeof(WCHAR);
 149         else
 150             str->Length = str->MaximumLength = 0;
 151     }
 152 }
 153
 154
 155 /***********************************************************************
 156  *           init_user_process_params
 157  *
 158  * Fill the RTL_USER_PROCESS_PARAMETERS structure from the server.
 159  */
 160 static NTSTATUS init_user_process_params( SIZE_T info_size, HANDLE *exe_file )
 161 {
 162     void *ptr;
 163     SIZE_T env_size;
 164     NTSTATUS status;
 165     RTL_USER_PROCESS_PARAMETERS *params = NULL;
 166
 167     status = NtAllocateVirtualMemory( NtCurrentProcess(), (void **)&params, 0, &info_size,
 168                                       MEM_COMMIT, PAGE_READWRITE );
 169     if (status != STATUS_SUCCESS) return status;
 170
 171     params->AllocationSize = info_size;
 172     NtCurrentTeb()->Peb->ProcessParameters = params;
 173
 174     SERVER_START_REQ( get_startup_info )
 175     {
 176         wine_server_set_reply( req, params, info_size );
 177         if (!(status = wine_server_call( req )))
 178         {
 179             info_size = wine_server_reply_size( reply );
 180             *exe_file = wine_server_ptr_handle( reply->exe_file );
 181             params->hStdInput  = wine_server_ptr_handle( reply->hstdin );
 182             params->hStdOutput = wine_server_ptr_handle( reply->hstdout );
 183             params->hStdError  = wine_server_ptr_handle( reply->hstderr );
 184         }
 185     }
 186     SERVER_END_REQ;
 187     if (status != STATUS_SUCCESS) return status;
 188
 189     if (params->Size > info_size) params->Size = info_size;
 190
 191     /* make sure the strings are valid */
 192     fix_unicode_string( &params->CurrentDirectory.DosPath, (char *)info_size );
 193     fix_unicode_string( &params->DllPath, (char *)info_size );
 194     fix_unicode_string( &params->ImagePathName, (char *)info_size );
 195     fix_unicode_string( &params->CommandLine, (char *)info_size );
 196     fix_unicode_string( &params->WindowTitle, (char *)info_size );
 197     fix_unicode_string( &params->Desktop, (char *)info_size );
 198     fix_unicode_string( &params->ShellInfo, (char *)info_size );
 199     fix_unicode_string( &params->RuntimeInfo, (char *)info_size );
 200
 201     /* environment needs to be a separate memory block */
 202     env_size = info_size - params->Size;
 203     if (!env_size) env_size = 1;
 204     ptr = NULL;
 205     status = NtAllocateVirtualMemory( NtCurrentProcess(), &ptr, 0, &env_size,
 206                                       MEM_COMMIT, PAGE_READWRITE );
 207     if (status != STATUS_SUCCESS) return status;
 208     memcpy( ptr, (char *)params + params->Size, info_size - params->Size );
 209     params->Environment = ptr;
 210
 211     RtlNormalizeProcessParams( params );
 212     return status;
 213 }
 214
 215
 216 /***********************************************************************
 217  *           thread_init
 218  *
 219  * Setup the initial thread.
 220  *
 221  * NOTES: The first allocated TEB on NT is at 0x7ffde000.
 222  */
 223 HANDLE thread_init(void)
 224 {
 225     PEB *peb;
 226     TEB *teb;
 227     void *addr;
 228     SIZE_T size, info_size;
 229     HANDLE exe_file = 0;
 230     LARGE_INTEGER now;
 231     struct ntdll_thread_data *thread_data;
 232     static struct debug_info debug_info;  /* debug info for initial thread */
 233
 234     virtual_init();
 235
 236     /* reserve space for shared user data */
 237
 238     addr = (void *)0x7ffe0000;
 239     size = 0x10000;
 240     NtAllocateVirtualMemory( NtCurrentProcess(), &addr, 0, &size, MEM_RESERVE|MEM_COMMIT, PAGE_READWRITE );
 241     user_shared_data = addr;
 242
 243     /* allocate and initialize the PEB */
 244
 245     addr = NULL;
 246     size = sizeof(*peb);
 247     NtAllocateVirtualMemory( NtCurrentProcess(), &addr, 1, &size,
 248                              MEM_COMMIT | MEM_TOP_DOWN, PAGE_READWRITE );
 249     peb = addr;
 250
 251     peb->NumberOfProcessors = 1;
 252     peb->ProcessParameters  = &params;
 253     peb->TlsBitmap          = &tls_bitmap;
 254     peb->TlsExpansionBitmap = &tls_expansion_bitmap;
 255     peb->FlsBitmap          = &fls_bitmap;
 256     peb->LdrData            = &ldr;
 257     params.CurrentDirectory.DosPath.Buffer = current_dir;
 258     params.CurrentDirectory.DosPath.MaximumLength = sizeof(current_dir);
 259     params.wShowWindow = 1; /* SW_SHOWNORMAL */
 260     RtlInitializeBitMap( &tls_bitmap, peb->TlsBitmapBits, sizeof(peb->TlsBitmapBits) * 8 );
 261     RtlInitializeBitMap( &tls_expansion_bitmap, peb->TlsExpansionBitmapBits,
 262                          sizeof(peb->TlsExpansionBitmapBits) * 8 );
 263     RtlInitializeBitMap( &fls_bitmap, peb->FlsBitmapBits, sizeof(peb->FlsBitmapBits) * 8 );
 264     InitializeListHead( &peb->FlsListHead );
 265     InitializeListHead( &ldr.InLoadOrderModuleList );
 266     InitializeListHead( &ldr.InMemoryOrderModuleList );
 267     InitializeListHead( &ldr.InInitializationOrderModuleList );
 268     InitializeListHead( &tls_links );
 269
 270     /* allocate and initialize the initial TEB */
 271
 272     sigstack_total_size = get_signal_stack_total_size();
 273     while (1U << sigstack_zero_bits < sigstack_total_size) sigstack_zero_bits++;
 274     assert( 1U << sigstack_zero_bits == sigstack_total_size );  /* must be a power of 2 */
 275     assert( sigstack_total_size >= sizeof(TEB) + sizeof(struct startup_info) );
 276
 277     addr = NULL;
 278     size = sigstack_total_size;
 279     NtAllocateVirtualMemory( NtCurrentProcess(), &addr, sigstack_zero_bits,
 280                              &size, MEM_COMMIT | MEM_TOP_DOWN, PAGE_READWRITE );
 281     teb = addr;
 282     teb->Peb = peb;
 283     init_teb( teb );
 284     thread_data = (struct ntdll_thread_data *)teb->SystemReserved2;
 285     thread_data->debug_info = &debug_info;
 286     InsertHeadList( &tls_links, &teb->TlsLinks );
 287
 288     signal_init_thread( teb );
 289     virtual_init_threading();
 290
 291     debug_info.str_pos = debug_info.strings;
 292     debug_info.out_pos = debug_info.output;
 293     debug_init();
 294
 295     /* setup the server connection */
 296     server_init_process();
 297     info_size = server_init_thread( peb );
 298
 299     /* create the process heap */
 300     if (!(peb->ProcessHeap = RtlCreateHeap( HEAP_GROWABLE, NULL, 0, 0, NULL, NULL )))
 301     {
 302         MESSAGE( "wine: failed to create the process heap\n" );
 303         exit(1);
 304     }
 305
 306     /* allocate user parameters */
 307     if (info_size)
 308     {
 309         init_user_process_params( info_size, &exe_file );
 310     }
 311     else
 312     {
 313         /* This is wine specific: we have no parent (we're started from unix)
 314          * so, create a simple console with bare handles to unix stdio
 315          */
 316         wine_server_fd_to_handle( 0, GENERIC_READ|SYNCHRONIZE,  OBJ_INHERIT, &params.hStdInput );
 317         wine_server_fd_to_handle( 1, GENERIC_WRITE|SYNCHRONIZE, OBJ_INHERIT, &params.hStdOutput );
 318         wine_server_fd_to_handle( 2, GENERIC_WRITE|SYNCHRONIZE, OBJ_INHERIT, &params.hStdError );
 319     }
 320
 321     /* initialize LDT locking */
 322     wine_ldt_init_locking( ldt_lock, ldt_unlock );
 323
 324     /* initialize time values in user_shared_data */
 325     NtQuerySystemTime( &now );
 326     user_shared_data->SystemTime.LowPart = now.u.LowPart;
 327     user_shared_data->SystemTime.High1Time = user_shared_data->SystemTime.High2Time = now.u.HighPart;
 328     user_shared_data->u.TickCountQuad = (now.QuadPart - server_start_time) / 10000;
 329     user_shared_data->u.TickCount.High2Time = user_shared_data->u.TickCount.High1Time;
 330     user_shared_data->TickCountLowDeprecated = user_shared_data->u.TickCount.LowPart;
 331     user_shared_data->TickCountMultiplier = 1 << 24;
 332
 333     return exe_file;
 334 }
 335
 336
 337 /***********************************************************************
 338  *           abort_thread
 339  */
 340 void abort_thread( int status )
 341 {
 342     pthread_sigmask( SIG_BLOCK, &server_block_set, NULL );
 343     if (interlocked_xchg_add( &nb_threads, -1 ) <= 1) _exit( status );
 344
 345     close( ntdll_get_thread_data()->wait_fd[0] );
 346     close( ntdll_get_thread_data()->wait_fd[1] );
 347     close( ntdll_get_thread_data()->reply_fd );
 348     close( ntdll_get_thread_data()->request_fd );
 349     pthread_exit( UIntToPtr(status) );
 350 }
 351
 352
 353 /***********************************************************************
 354  *           exit_thread
 355  */
 356 void exit_thread( int status )
 357 {
 358     static void *prev_teb;
 359     TEB *teb;
 360
 361     if (status)  /* send the exit code to the server (0 is already the default) */
 362     {
 363         SERVER_START_REQ( terminate_thread )
 364         {
 365             req->handle    = wine_server_obj_handle( GetCurrentThread() );
 366             req->exit_code = status;
 367             wine_server_call( req );
 368         }
 369         SERVER_END_REQ;
 370     }
 371
 372     if (interlocked_xchg_add( &nb_threads, -1 ) <= 1)
 373     {
 374         LdrShutdownProcess();
 375         exit( status );
 376     }
 377
 378     LdrShutdownThread();
 379     RtlAcquirePebLock();
 380     RemoveEntryList( &NtCurrentTeb()->TlsLinks );
 381     RtlReleasePebLock();
 382     RtlFreeHeap( GetProcessHeap(), 0, NtCurrentTeb()->FlsSlots );
 383     RtlFreeHeap( GetProcessHeap(), 0, NtCurrentTeb()->TlsExpansionSlots );
 384
 385     pthread_sigmask( SIG_BLOCK, &server_block_set, NULL );
 386
 387     if ((teb = interlocked_xchg_ptr( &prev_teb, NtCurrentTeb() )))
 388     {
 389         struct ntdll_thread_data *thread_data = (struct ntdll_thread_data *)teb->SystemReserved2;
 390         SIZE_T size;
 391
 392         pthread_join( thread_data->pthread_id, NULL );
 393         wine_ldt_free_fs( thread_data->fs );
 394         size = 0;
 395         NtFreeVirtualMemory( GetCurrentProcess(), &teb->DeallocationStack, &size, MEM_RELEASE );
 396         size = 0;
 397         NtFreeVirtualMemory( GetCurrentProcess(), (void **)&teb, &size, MEM_RELEASE );
 398     }
 399
 400     close( ntdll_get_thread_data()->wait_fd[0] );
 401     close( ntdll_get_thread_data()->wait_fd[1] );
 402     close( ntdll_get_thread_data()->reply_fd );
 403     close( ntdll_get_thread_data()->request_fd );
 404     pthread_exit( UIntToPtr(status) );
 405 }
 406
 407
 408 /***********************************************************************
 409  *           start_thread
 410  *
 411  * Startup routine for a newly created thread.
 412  */
 413 static void start_thread( struct startup_info *info )
 414 {
 415     TEB *teb = info->teb;
 416     struct ntdll_thread_data *thread_data = (struct ntdll_thread_data *)teb->SystemReserved2;
 417     PRTL_THREAD_START_ROUTINE func = info->entry_point;
 418     void *arg = info->entry_arg;
 419     struct debug_info debug_info;
 420
 421     debug_info.str_pos = debug_info.strings;
 422     debug_info.out_pos = debug_info.output;
 423     thread_data->debug_info = &debug_info;
 424     thread_data->pthread_id = pthread_self();
 425
 426     signal_init_thread( teb );
 427     server_init_thread( func );
 428     pthread_sigmask( SIG_UNBLOCK, &server_block_set, NULL );
 429
 430     RtlAcquirePebLock();
 431     InsertHeadList( &tls_links, &teb->TlsLinks );
 432     RtlReleasePebLock();
 433
 434     MODULE_DllThreadAttach( NULL );
 435
 436     if (TRACE_ON(relay))
 437         DPRINTF( "%04x:Starting thread proc %p (arg=%p)\n", GetCurrentThreadId(), func, arg );
 438
 439     call_thread_entry_point( (LPTHREAD_START_ROUTINE)func, arg );
 440 }
 441
 442
 443 /***********************************************************************
 444  *              RtlCreateUserThread   (NTDLL.@)
 445  */
 446 NTSTATUS WINAPI RtlCreateUserThread( HANDLE process, const SECURITY_DESCRIPTOR *descr,
 447                                      BOOLEAN suspended, PVOID stack_addr,
 448                                      SIZE_T stack_reserve, SIZE_T stack_commit,
 449                                      PRTL_THREAD_START_ROUTINE start, void *param,
 450                                      HANDLE *handle_ptr, CLIENT_ID *id )
 451 {
 452     sigset_t sigset;
 453     pthread_t pthread_id;
 454     pthread_attr_t attr;
 455     struct ntdll_thread_data *thread_data = NULL;
 456     struct ntdll_thread_regs *thread_regs;
 457     struct startup_info *info = NULL;
 458     void *addr = NULL;
 459     HANDLE handle = 0;
 460     TEB *teb;
 461     DWORD tid = 0;
 462     int request_pipe[2];
 463     NTSTATUS status;
 464     SIZE_T size;
 465
 466     if (process != NtCurrentProcess())
 467     {
 468         apc_call_t call;
 469         apc_result_t result;
 470
 471         memset( &call, 0, sizeof(call) );
 472
 473         call.create_thread.type    = APC_CREATE_THREAD;
 474         call.create_thread.func    = wine_server_client_ptr( start );
 475         call.create_thread.arg     = wine_server_client_ptr( param );
 476         call.create_thread.reserve = stack_reserve;
 477         call.create_thread.commit  = stack_commit;
 478         call.create_thread.suspend = suspended;
 479         status = NTDLL_queue_process_apc( process, &call, &result );
 480         if (status != STATUS_SUCCESS) return status;
 481
 482         if (result.create_thread.status == STATUS_SUCCESS)
 483         {
 484             if (id) id->UniqueThread = ULongToHandle(result.create_thread.tid);
 485             if (handle_ptr) *handle_ptr = wine_server_ptr_handle( result.create_thread.handle );
 486             else NtClose( wine_server_ptr_handle( result.create_thread.handle ));
 487         }
 488         return result.create_thread.status;
 489     }
 490
 491     if (pipe( request_pipe ) == -1) return STATUS_TOO_MANY_OPENED_FILES;
 492     fcntl( request_pipe[1], F_SETFD, 1 ); /* set close on exec flag */
 493     wine_server_send_fd( request_pipe[0] );
 494
 495     SERVER_START_REQ( new_thread )
 496     {
 497         req->access     = THREAD_ALL_ACCESS;
 498         req->attributes = 0;  /* FIXME */
 499         req->suspend    = suspended;
 500         req->request_fd = request_pipe[0];
 501         if (!(status = wine_server_call( req )))
 502         {
 503             handle = wine_server_ptr_handle( reply->handle );
 504             tid = reply->tid;
 505         }
 506         close( request_pipe[0] );
 507     }
 508     SERVER_END_REQ;
 509
 510     if (status)
 511     {
 512         close( request_pipe[1] );
 513         return status;
 514     }
 515
 516     pthread_sigmask( SIG_BLOCK, &server_block_set, &sigset );
 517
 518     addr = NULL;
 519     size = sigstack_total_size;
 520     if ((status = NtAllocateVirtualMemory( NtCurrentProcess(), &addr, sigstack_zero_bits,
 521                                            &size, MEM_COMMIT | MEM_TOP_DOWN, PAGE_READWRITE )))
 522         goto error;
 523     teb = addr;
 524     teb->Peb = NtCurrentTeb()->Peb;
 525     info = (struct startup_info *)(teb + 1);
 526     info->teb         = teb;
 527     info->entry_point = start;
 528     info->entry_arg   = param;
 529
 530     if ((status = init_teb( teb ))) goto error;
 531
 532     teb->ClientId.UniqueProcess = ULongToHandle(GetCurrentProcessId());
 533     teb->ClientId.UniqueThread  = ULongToHandle(tid);
 534
 535     thread_data = (struct ntdll_thread_data *)teb->SystemReserved2;
 536     thread_regs = (struct ntdll_thread_regs *)teb->SpareBytes1;
 537     thread_data->request_fd  = request_pipe[1];
 538
 539     /* inherit debug registers from parent thread */
 540     thread_regs->dr0 = ntdll_get_thread_regs()->dr0;
 541     thread_regs->dr1 = ntdll_get_thread_regs()->dr1;
 542     thread_regs->dr2 = ntdll_get_thread_regs()->dr2;
 543     thread_regs->dr3 = ntdll_get_thread_regs()->dr3;
 544     thread_regs->dr6 = ntdll_get_thread_regs()->dr6;
 545     thread_regs->dr7 = ntdll_get_thread_regs()->dr7;
 546
 547     if ((status = virtual_alloc_thread_stack( teb, stack_reserve, stack_commit ))) goto error;
 548
 549     pthread_attr_init( &attr );
 550     pthread_attr_setstack( &attr, teb->DeallocationStack,
 551                            (char *)teb->Tib.StackBase - (char *)teb->DeallocationStack );
 552     pthread_attr_setscope( &attr, PTHREAD_SCOPE_SYSTEM ); /* force creating a kernel thread */
 553     interlocked_xchg_add( &nb_threads, 1 );
 554     if (pthread_create( &pthread_id, &attr, (void * (*)(void *))start_thread, info ))
 555     {
 556         interlocked_xchg_add( &nb_threads, -1 );
 557         pthread_attr_destroy( &attr );
 558         size = 0;
 559         NtFreeVirtualMemory( NtCurrentProcess(), &teb->DeallocationStack, &size, MEM_RELEASE );
 560         status = STATUS_NO_MEMORY;
 561         goto error;
 562     }
 563     pthread_attr_destroy( &attr );
 564     pthread_sigmask( SIG_SETMASK, &sigset, NULL );
 565
 566     if (id) id->UniqueThread = ULongToHandle(tid);
 567     if (handle_ptr) *handle_ptr = handle;
 568     else NtClose( handle );
 569
 570     return STATUS_SUCCESS;
 571
 572 error:
 573     if (thread_data) wine_ldt_free_fs( thread_data->fs );
 574     if (addr)
 575     {
 576         size = 0;
 577         NtFreeVirtualMemory( NtCurrentProcess(), &addr, &size, MEM_RELEASE );
 578     }
 579     if (handle) NtClose( handle );
 580     pthread_sigmask( SIG_SETMASK, &sigset, NULL );
 581     close( request_pipe[1] );
 582     return status;
 583 }
 584
 585
 586 /***********************************************************************
 587  *              NtOpenThread   (NTDLL.@)
 588  *              ZwOpenThread   (NTDLL.@)
 589  */
 590 NTSTATUS WINAPI NtOpenThread( HANDLE *handle, ACCESS_MASK access,
 591                               const OBJECT_ATTRIBUTES *attr, const CLIENT_ID *id )
 592 {
 593     NTSTATUS ret;
 594
 595     SERVER_START_REQ( open_thread )
 596     {
 597         req->tid        = HandleToULong(id->UniqueThread);
 598         req->access     = access;
 599         req->attributes = attr ? attr->Attributes : 0;
 600         ret = wine_server_call( req );
 601         *handle = wine_server_ptr_handle( reply->handle );
 602     }
 603     SERVER_END_REQ;
 604     return ret;
 605 }
 606
 607
 608 /******************************************************************************
 609  *              NtSuspendThread   (NTDLL.@)
 610  *              ZwSuspendThread   (NTDLL.@)
 611  */
 612 NTSTATUS WINAPI NtSuspendThread( HANDLE handle, PULONG count )
 613 {
 614     NTSTATUS ret;
 615
 616     SERVER_START_REQ( suspend_thread )
 617     {
 618         req->handle = wine_server_obj_handle( handle );
 619         if (!(ret = wine_server_call( req ))) *count = reply->count;
 620     }
 621     SERVER_END_REQ;
 622     return ret;
 623 }
 624
 625
 626 /******************************************************************************
 627  *              NtResumeThread   (NTDLL.@)
 628  *              ZwResumeThread   (NTDLL.@)
 629  */
 630 NTSTATUS WINAPI NtResumeThread( HANDLE handle, PULONG count )
 631 {
 632     NTSTATUS ret;
 633
 634     SERVER_START_REQ( resume_thread )
 635     {
 636         req->handle = wine_server_obj_handle( handle );
 637         if (!(ret = wine_server_call( req ))) *count = reply->count;
 638     }
 639     SERVER_END_REQ;
 640     return ret;
 641 }
 642
 643
 644 /******************************************************************************
 645  *              NtAlertResumeThread   (NTDLL.@)
 646  *              ZwAlertResumeThread   (NTDLL.@)
 647  */
 648 NTSTATUS WINAPI NtAlertResumeThread( HANDLE handle, PULONG count )
 649 {
 650     FIXME( "stub: should alert thread %p\n", handle );
 651     return NtResumeThread( handle, count );
 652 }
 653
 654
 655 /******************************************************************************
 656  *              NtAlertThread   (NTDLL.@)
 657  *              ZwAlertThread   (NTDLL.@)
 658  */
 659 NTSTATUS WINAPI NtAlertThread( HANDLE handle )
 660 {
 661     FIXME( "stub: %p\n", handle );
 662     return STATUS_NOT_IMPLEMENTED;
 663 }
 664
 665
 666 /******************************************************************************
 667  *              NtTerminateThread  (NTDLL.@)
 668  *              ZwTerminateThread  (NTDLL.@)
 669  */
 670 NTSTATUS WINAPI NtTerminateThread( HANDLE handle, LONG exit_code )
 671 {
 672     NTSTATUS ret;
 673     BOOL self, last;
 674
 675     SERVER_START_REQ( terminate_thread )
 676     {
 677         req->handle    = wine_server_obj_handle( handle );
 678         req->exit_code = exit_code;
 679         ret = wine_server_call( req );
 680         self = !ret && reply->self;
 681         last = reply->last;
 682     }
 683     SERVER_END_REQ;
 684
 685     if (self)
 686     {
 687         if (last) _exit( exit_code );
 688         else abort_thread( exit_code );
 689     }
 690     return ret;
 691 }
 692
 693
 694 /******************************************************************************
 695  *              NtQueueApcThread  (NTDLL.@)
 696  */
 697 NTSTATUS WINAPI NtQueueApcThread( HANDLE handle, PNTAPCFUNC func, ULONG_PTR arg1,
 698                                   ULONG_PTR arg2, ULONG_PTR arg3 )
 699 {
 700     NTSTATUS ret;
 701     SERVER_START_REQ( queue_apc )
 702     {
 703         req->handle = wine_server_obj_handle( handle );
 704         if (func)
 705         {
 706             req->call.type         = APC_USER;
 707             req->call.user.func    = wine_server_client_ptr( func );
 708             req->call.user.args[0] = arg1;
 709             req->call.user.args[1] = arg2;
 710             req->call.user.args[2] = arg3;
 711         }
 712         else req->call.type = APC_NONE;  /* wake up only */
 713         ret = wine_server_call( req );
 714     }
 715     SERVER_END_REQ;
 716     return ret;
 717 }
 718
 719
 720 /***********************************************************************
 721  *              NtSetContextThread  (NTDLL.@)
 722  *              ZwSetContextThread  (NTDLL.@)
 723  */
 724 NTSTATUS WINAPI NtSetContextThread( HANDLE handle, const CONTEXT *context )
 725 {
 726     NTSTATUS ret;
 727     DWORD dummy, i;
 728     BOOL self = FALSE;
 729
 730 #ifdef __i386__
 731     /* on i386 debug registers always require a server call */
 732     self = (handle == GetCurrentThread());
 733     if (self && (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386)))
 734     {
 735         struct ntdll_thread_regs * const regs = ntdll_get_thread_regs();
 736         self = (regs->dr0 == context->Dr0 && regs->dr1 == context->Dr1 &&
 737                 regs->dr2 == context->Dr2 && regs->dr3 == context->Dr3 &&
 738                 regs->dr6 == context->Dr6 && regs->dr7 == context->Dr7);
 739     }
 740 #endif
 741
 742     if (!self)
 743     {
 744         context_t server_context;
 745
 746         context_to_server( &server_context, context );
 747
 748         SERVER_START_REQ( set_thread_context )
 749         {
 750             req->handle  = wine_server_obj_handle( handle );
 751             req->suspend = 0;
 752             wine_server_add_data( req, &server_context, sizeof(server_context) );
 753             ret = wine_server_call( req );
 754             self = reply->self;
 755         }
 756         SERVER_END_REQ;
 757
 758         if (ret == STATUS_PENDING)
 759         {
 760             if (NtSuspendThread( handle, &dummy ) == STATUS_SUCCESS)
 761             {
 762                 for (i = 0; i < 100; i++)
 763                 {
 764                     SERVER_START_REQ( set_thread_context )
 765                     {
 766                         req->handle  = wine_server_obj_handle( handle );
 767                         req->suspend = 0;
 768                         wine_server_add_data( req, &server_context, sizeof(server_context) );
 769                         ret = wine_server_call( req );
 770                     }
 771                     SERVER_END_REQ;
 772                     if (ret == STATUS_PENDING)
 773                     {
 774                         LARGE_INTEGER timeout;
 775                         timeout.QuadPart = -10000;
 776                         NtDelayExecution( FALSE, &timeout );
 777                     }
 778                     else break;
 779                 }
 780                 NtResumeThread( handle, &dummy );
 781             }
 782             if (ret == STATUS_PENDING) ret = STATUS_ACCESS_DENIED;
 783         }
 784
 785         if (ret) return ret;
 786     }
 787
 788     if (self) set_cpu_context( context );
 789     return STATUS_SUCCESS;
 790 }
 791
 792
 793 /* convert CPU-specific flags to generic server flags */
 794 static inline unsigned int get_server_context_flags( DWORD flags )
 795 {
 796     unsigned int ret = 0;
 797
 798     flags &= ~0x3f;  /* mask CPU id flags */
 799     if (flags & CONTEXT_CONTROL) ret |= SERVER_CTX_CONTROL;
 800     if (flags & CONTEXT_INTEGER) ret |= SERVER_CTX_INTEGER;
 801 #ifdef CONTEXT_SEGMENTS
 802     if (flags & CONTEXT_SEGMENTS) ret |= SERVER_CTX_SEGMENTS;
 803 #endif
 804 #ifdef CONTEXT_FLOATING_POINT
 805     if (flags & CONTEXT_FLOATING_POINT) ret |= SERVER_CTX_FLOATING_POINT;
 806 #endif
 807 #ifdef CONTEXT_DEBUG_REGISTERS
 808     if (flags & CONTEXT_DEBUG_REGISTERS) ret |= SERVER_CTX_DEBUG_REGISTERS;
 809 #endif
 810 #ifdef CONTEXT_EXTENDED_REGISTERS
 811     if (flags & CONTEXT_EXTENDED_REGISTERS) ret |= SERVER_CTX_EXTENDED_REGISTERS;
 812 #endif
 813     return ret;
 814 }
 815
 816 /***********************************************************************
 817  *              NtGetContextThread  (NTDLL.@)
 818  *              ZwGetContextThread  (NTDLL.@)
 819  */
 820 NTSTATUS WINAPI NtGetContextThread( HANDLE handle, CONTEXT *context )
 821 {
 822     NTSTATUS ret;
 823     DWORD dummy, i;
 824     DWORD needed_flags = context->ContextFlags;
 825     BOOL self = (handle == GetCurrentThread());
 826
 827 #ifdef __i386__
 828     /* on i386 debug registers always require a server call */
 829     if (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386)) self = FALSE;
 830 #endif
 831
 832     if (!self)
 833     {
 834         unsigned int server_flags = get_server_context_flags( context->ContextFlags );
 835         context_t server_context;
 836
 837         SERVER_START_REQ( get_thread_context )
 838         {
 839             req->handle  = wine_server_obj_handle( handle );
 840             req->flags   = server_flags;
 841             req->suspend = 0;
 842             wine_server_set_reply( req, &server_context, sizeof(server_context) );
 843             ret = wine_server_call( req );
 844             self = reply->self;
 845         }
 846         SERVER_END_REQ;
 847
 848         if (ret == STATUS_PENDING)
 849         {
 850             if (NtSuspendThread( handle, &dummy ) == STATUS_SUCCESS)
 851             {
 852                 for (i = 0; i < 100; i++)
 853                 {
 854                     SERVER_START_REQ( get_thread_context )
 855                     {
 856                         req->handle  = wine_server_obj_handle( handle );
 857                         req->flags   = server_flags;
 858                         req->suspend = 0;
 859                         wine_server_set_reply( req, &server_context, sizeof(server_context) );
 860                         ret = wine_server_call( req );
 861                     }
 862                     SERVER_END_REQ;
 863                     if (ret == STATUS_PENDING)
 864                     {
 865                         LARGE_INTEGER timeout;
 866                         timeout.QuadPart = -10000;
 867                         NtDelayExecution( FALSE, &timeout );
 868                     }
 869                     else break;
 870                 }
 871                 NtResumeThread( handle, &dummy );
 872             }
 873             if (ret == STATUS_PENDING) ret = STATUS_ACCESS_DENIED;
 874         }
 875         if (!ret) ret = context_from_server( context, &server_context );
 876         if (ret) return ret;
 877         needed_flags &= ~context->ContextFlags;
 878     }
 879
 880     if (self)
 881     {
 882         if (needed_flags)
 883         {
 884             CONTEXT ctx;
 885             RtlCaptureContext( &ctx );
 886             copy_context( context, &ctx, ctx.ContextFlags & needed_flags );
 887             context->ContextFlags |= ctx.ContextFlags & needed_flags;
 888         }
 889 #ifdef __i386__
 890         /* update the cached version of the debug registers */
 891         if (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386))
 892         {
 893             struct ntdll_thread_regs * const regs = ntdll_get_thread_regs();
 894             regs->dr0 = context->Dr0;
 895             regs->dr1 = context->Dr1;
 896             regs->dr2 = context->Dr2;
 897             regs->dr3 = context->Dr3;
 898             regs->dr6 = context->Dr6;
 899             regs->dr7 = context->Dr7;
 900         }
 901 #endif
 902     }
 903     return STATUS_SUCCESS;
 904 }
 905
 906
 907 /******************************************************************************
 908  *              NtQueryInformationThread  (NTDLL.@)
 909  *              ZwQueryInformationThread  (NTDLL.@)
 910  */
 911 NTSTATUS WINAPI NtQueryInformationThread( HANDLE handle, THREADINFOCLASS class,
 912                                           void *data, ULONG length, ULONG *ret_len )
 913 {
 914     NTSTATUS status;
 915
 916     switch(class)
 917     {
 918     case ThreadBasicInformation:
 919         {
 920             THREAD_BASIC_INFORMATION info;
 921             const ULONG_PTR affinity_mask = ((ULONG_PTR)1 << NtCurrentTeb()->Peb->NumberOfProcessors) - 1;
 922
 923             SERVER_START_REQ( get_thread_info )
 924             {
 925                 req->handle = wine_server_obj_handle( handle );
 926                 req->tid_in = 0;
 927                 if (!(status = wine_server_call( req )))
 928                 {
 929                     info.ExitStatus             = reply->exit_code;
 930                     info.TebBaseAddress         = wine_server_get_ptr( reply->teb );
 931                     info.ClientId.UniqueProcess = ULongToHandle(reply->pid);
 932                     info.ClientId.UniqueThread  = ULongToHandle(reply->tid);
 933                     info.AffinityMask           = reply->affinity & affinity_mask;
 934                     info.Priority               = reply->priority;
 935                     info.BasePriority           = reply->priority;  /* FIXME */
 936                 }
 937             }
 938             SERVER_END_REQ;
 939             if (status == STATUS_SUCCESS)
 940             {
 941                 if (data) memcpy( data, &info, min( length, sizeof(info) ));
 942                 if (ret_len) *ret_len = min( length, sizeof(info) );
 943             }
 944         }
 945         return status;
 946     case ThreadAffinityMask:
 947         {
 948             const ULONG_PTR affinity_mask = ((ULONG_PTR)1 << NtCurrentTeb()->Peb->NumberOfProcessors) - 1;
 949             ULONG_PTR affinity = 0;
 950
 951             SERVER_START_REQ( get_thread_info )
 952             {
 953                 req->handle = wine_server_obj_handle( handle );
 954                 req->tid_in = 0;
 955                 if (!(status = wine_server_call( req )))
 956                     affinity = reply->affinity & affinity_mask;
 957             }
 958             SERVER_END_REQ;
 959             if (status == STATUS_SUCCESS)
 960             {
 961                 if (data) memcpy( data, &affinity, min( length, sizeof(affinity) ));
 962                 if (ret_len) *ret_len = min( length, sizeof(affinity) );
 963             }
 964         }
 965         return status;
 966     case ThreadTimes:
 967         {
 968             KERNEL_USER_TIMES   kusrt;
 969             /* We need to do a server call to get the creation time or exit time */
 970             /* This works on any thread */
 971             SERVER_START_REQ( get_thread_info )
 972             {
 973                 req->handle = wine_server_obj_handle( handle );
 974                 req->tid_in = 0;
 975                 status = wine_server_call( req );
 976                 if (status == STATUS_SUCCESS)
 977                 {
 978                     kusrt.CreateTime.QuadPart = reply->creation_time;
 979                     kusrt.ExitTime.QuadPart = reply->exit_time;
 980                 }
 981             }
 982             SERVER_END_REQ;
 983             if (status == STATUS_SUCCESS)
 984             {
 985                 /* We call times(2) for kernel time or user time */
 986                 /* We can only (portably) do this for the current thread */
 987                 if (handle == GetCurrentThread())
 988                 {
 989                     struct tms time_buf;
 990                     long clocks_per_sec = sysconf(_SC_CLK_TCK);
 991
 992                     times(&time_buf);
 993                     kusrt.KernelTime.QuadPart = (ULONGLONG)time_buf.tms_stime * 10000000 / clocks_per_sec;
 994                     kusrt.UserTime.QuadPart = (ULONGLONG)time_buf.tms_utime * 10000000 / clocks_per_sec;
 995                 }
 996                 else
 997                 {
 998                     static BOOL reported = FALSE;
 999
1000                     kusrt.KernelTime.QuadPart = 0;
1001                     kusrt.UserTime.QuadPart = 0;
1002                     if (reported)
1003                         TRACE("Cannot get kerneltime or usertime of other threads\n");
1004                     else
1005                     {
1006                         FIXME("Cannot get kerneltime or usertime of other threads\n");
1007                         reported = TRUE;
1008                     }
1009                 }
1010                 if (data) memcpy( data, &kusrt, min( length, sizeof(kusrt) ));
1011                 if (ret_len) *ret_len = min( length, sizeof(kusrt) );
1012             }
1013         }
1014         return status;
1015     case ThreadDescriptorTableEntry:
1016         {
1017 #ifdef __i386__
1018             THREAD_DESCRIPTOR_INFORMATION*      tdi = data;
1019             if (length < sizeof(*tdi))
1020                 status = STATUS_INFO_LENGTH_MISMATCH;
1021             else if (!(tdi->Selector & 4))  /* GDT selector */
1022             {
1023                 unsigned sel = tdi->Selector & ~3;  /* ignore RPL */
1024                 status = STATUS_SUCCESS;
1025                 if (!sel)  /* null selector */
1026                     memset( &tdi->Entry, 0, sizeof(tdi->Entry) );
1027                 else
1028                 {
1029                     tdi->Entry.BaseLow                   = 0;
1030                     tdi->Entry.HighWord.Bits.BaseMid     = 0;
1031                     tdi->Entry.HighWord.Bits.BaseHi      = 0;
1032                     tdi->Entry.LimitLow                  = 0xffff;
1033                     tdi->Entry.HighWord.Bits.LimitHi     = 0xf;
1034                     tdi->Entry.HighWord.Bits.Dpl         = 3;
1035                     tdi->Entry.HighWord.Bits.Sys         = 0;
1036                     tdi->Entry.HighWord.Bits.Pres        = 1;
1037                     tdi->Entry.HighWord.Bits.Granularity = 1;
1038                     tdi->Entry.HighWord.Bits.Default_Big = 1;
1039                     tdi->Entry.HighWord.Bits.Type        = 0x12;
1040                     /* it has to be one of the system GDT selectors */
1041                     if (sel != (wine_get_ds() & ~3) && sel != (wine_get_ss() & ~3))
1042                     {
1043                         if (sel == (wine_get_cs() & ~3))
1044                             tdi->Entry.HighWord.Bits.Type |= 8;  /* code segment */
1045                         else status = STATUS_ACCESS_DENIED;
1046                     }
1047                 }
1048             }
1049             else
1050             {
1051                 SERVER_START_REQ( get_selector_entry )
1052                 {
1053                     req->handle = wine_server_obj_handle( handle );
1054                     req->entry = tdi->Selector >> 3;
1055                     status = wine_server_call( req );
1056                     if (!status)
1057                     {
1058                         if (!(reply->flags & WINE_LDT_FLAGS_ALLOCATED))
1059                             status = STATUS_ACCESS_VIOLATION;
1060                         else
1061                         {
1062                             wine_ldt_set_base ( &tdi->Entry, (void *)reply->base );
1063                             wine_ldt_set_limit( &tdi->Entry, reply->limit );
1064                             wine_ldt_set_flags( &tdi->Entry, reply->flags );
1065                         }
1066                     }
1067                 }
1068                 SERVER_END_REQ;
1069             }
1070             if (status == STATUS_SUCCESS && ret_len)
1071                 /* yes, that's a bit strange, but it's the way it is */
1072                 *ret_len = sizeof(LDT_ENTRY);
1073 #else
1074             status = STATUS_NOT_IMPLEMENTED;
1075 #endif
1076             return status;
1077         }
1078     case ThreadAmILastThread:
1079         {
1080             SERVER_START_REQ(get_thread_info)
1081             {
1082                 req->handle = wine_server_obj_handle( handle );
1083                 req->tid_in = 0;
1084                 status = wine_server_call( req );
1085                 if (status == STATUS_SUCCESS)
1086                 {
1087                     BOOLEAN last = reply->last;
1088                     if (data) memcpy( data, &last, min( length, sizeof(last) ));
1089                     if (ret_len) *ret_len = min( length, sizeof(last) );
1090                 }
1091             }
1092             SERVER_END_REQ;
1093             return status;
1094         }
1095     case ThreadPriority:
1096     case ThreadBasePriority:
1097     case ThreadImpersonationToken:
1098     case ThreadEnableAlignmentFaultFixup:
1099     case ThreadEventPair_Reusable:
1100     case ThreadQuerySetWin32StartAddress:
1101     case ThreadZeroTlsCell:
1102     case ThreadPerformanceCount:
1103     case ThreadIdealProcessor:
1104     case ThreadPriorityBoost:
1105     case ThreadSetTlsArrayAddress:
1106     case ThreadIsIoPending:
1107     default:
1108         FIXME( "info class %d not supported yet\n", class );
1109         return STATUS_NOT_IMPLEMENTED;
1110     }
1111 }
1112
1113
1114 /******************************************************************************
1115  *              NtSetInformationThread  (NTDLL.@)
1116  *              ZwSetInformationThread  (NTDLL.@)
1117  */
1118 NTSTATUS WINAPI NtSetInformationThread( HANDLE handle, THREADINFOCLASS class,
1119                                         LPCVOID data, ULONG length )
1120 {
1121     NTSTATUS status;
1122     switch(class)
1123     {
1124     case ThreadZeroTlsCell:
1125         if (handle == GetCurrentThread())
1126         {
1127             LIST_ENTRY *entry;
1128             DWORD index;
1129
1130             if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
1131             index = *(const DWORD *)data;
1132             if (index < TLS_MINIMUM_AVAILABLE)
1133             {
1134                 RtlAcquirePebLock();
1135                 for (entry = tls_links.Flink; entry != &tls_links; entry = entry->Flink)
1136                 {
1137                     TEB *teb = CONTAINING_RECORD(entry, TEB, TlsLinks);
1138                     teb->TlsSlots[index] = 0;
1139                 }
1140                 RtlReleasePebLock();
1141             }
1142             else
1143             {
1144                 index -= TLS_MINIMUM_AVAILABLE;
1145                 if (index >= 8 * sizeof(NtCurrentTeb()->Peb->TlsExpansionBitmapBits))
1146                     return STATUS_INVALID_PARAMETER;
1147                 RtlAcquirePebLock();
1148                 for (entry = tls_links.Flink; entry != &tls_links; entry = entry->Flink)
1149                 {
1150                     TEB *teb = CONTAINING_RECORD(entry, TEB, TlsLinks);
1151                     if (teb->TlsExpansionSlots) teb->TlsExpansionSlots[index] = 0;
1152                 }
1153                 RtlReleasePebLock();
1154             }
1155             return STATUS_SUCCESS;
1156         }
1157         FIXME( "ZeroTlsCell not supported on other threads\n" );
1158         return STATUS_NOT_IMPLEMENTED;
1159
1160     case ThreadImpersonationToken:
1161         {
1162             const HANDLE *phToken = data;
1163             if (length != sizeof(HANDLE)) return STATUS_INVALID_PARAMETER;
1164             TRACE("Setting ThreadImpersonationToken handle to %p\n", *phToken );
1165             SERVER_START_REQ( set_thread_info )
1166             {
1167                 req->handle   = wine_server_obj_handle( handle );
1168                 req->token    = wine_server_obj_handle( *phToken );
1169                 req->mask     = SET_THREAD_INFO_TOKEN;
1170                 status = wine_server_call( req );
1171             }
1172             SERVER_END_REQ;
1173         }
1174         return status;
1175     case ThreadBasePriority:
1176         {
1177             const DWORD *pprio = data;
1178             if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
1179             SERVER_START_REQ( set_thread_info )
1180             {
1181                 req->handle   = wine_server_obj_handle( handle );
1182                 req->priority = *pprio;
1183                 req->mask     = SET_THREAD_INFO_PRIORITY;
1184                 status = wine_server_call( req );
1185             }
1186             SERVER_END_REQ;
1187         }
1188         return status;
1189     case ThreadAffinityMask:
1190         {
1191             const ULONG_PTR affinity_mask = ((ULONG_PTR)1 << NtCurrentTeb()->Peb->NumberOfProcessors) - 1;
1192             const ULONG_PTR *paff = data;
1193             if (length != sizeof(ULONG_PTR)) return STATUS_INVALID_PARAMETER;
1194             if (*paff & ~affinity_mask) return STATUS_INVALID_PARAMETER;
1195             SERVER_START_REQ( set_thread_info )
1196             {
1197                 req->handle   = wine_server_obj_handle( handle );
1198                 req->affinity = *paff;
1199                 req->mask     = SET_THREAD_INFO_AFFINITY;
1200                 status = wine_server_call( req );
1201             }
1202             SERVER_END_REQ;
1203         }
1204         return status;
1205     case ThreadBasicInformation:
1206     case ThreadTimes:
1207     case ThreadPriority:
1208     case ThreadDescriptorTableEntry:
1209     case ThreadEnableAlignmentFaultFixup:
1210     case ThreadEventPair_Reusable:
1211     case ThreadQuerySetWin32StartAddress:
1212     case ThreadPerformanceCount:
1213     case ThreadAmILastThread:
1214     case ThreadIdealProcessor:
1215     case ThreadPriorityBoost:
1216     case ThreadSetTlsArrayAddress:
1217     case ThreadIsIoPending:
1218     default:
1219         FIXME( "info class %d not supported yet\n", class );
1220         return STATUS_NOT_IMPLEMENTED;
1221     }
1222 }