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 <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 int nb_threads = 1;
  68
  69 static RTL_CRITICAL_SECTION ldt_section;
  70 static RTL_CRITICAL_SECTION_DEBUG critsect_debug =
  71 {
  72     0, 0, &ldt_section,
  73     { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
  74       0, 0, { (DWORD_PTR)(__FILE__ ": ldt_section") }
  75 };
  76 static RTL_CRITICAL_SECTION ldt_section = { &critsect_debug, -1, 0, 0, 0, 0 };
  77 static sigset_t ldt_sigset;
  78
  79 /***********************************************************************
  80  *           locking for LDT routines
  81  */
  82 static void ldt_lock(void)
  83 {
  84     sigset_t sigset;
  85
  86     pthread_sigmask( SIG_BLOCK, &server_block_set, &sigset );
  87     RtlEnterCriticalSection( &ldt_section );
  88     if (ldt_section.RecursionCount == 1) ldt_sigset = sigset;
  89 }
  90
  91 static void ldt_unlock(void)
  92 {
  93     if (ldt_section.RecursionCount == 1)
  94     {
  95         sigset_t sigset = ldt_sigset;
  96         RtlLeaveCriticalSection( &ldt_section );
  97         pthread_sigmask( SIG_SETMASK, &sigset, NULL );
  98     }
  99     else RtlLeaveCriticalSection( &ldt_section );
 100 }
 101
 102
 103 /***********************************************************************
 104  *           get_unicode_string
 105  *
 106  * Copy a unicode string from the startup info.
 107  */
 108 static inline void get_unicode_string( UNICODE_STRING *str, WCHAR **src, WCHAR **dst, UINT len )
 109 {
 110     str->Buffer = *dst;
 111     str->Length = len;
 112     str->MaximumLength = len + sizeof(WCHAR);
 113     memcpy( str->Buffer, *src, len );
 114     str->Buffer[len / sizeof(WCHAR)] = 0;
 115     *src += len / sizeof(WCHAR);
 116     *dst += len / sizeof(WCHAR) + 1;
 117 }
 118
 119 /***********************************************************************
 120  *           init_user_process_params
 121  *
 122  * Fill the RTL_USER_PROCESS_PARAMETERS structure from the server.
 123  */
 124 static NTSTATUS init_user_process_params( SIZE_T data_size, HANDLE *exe_file )
 125 {
 126     void *ptr;
 127     WCHAR *src, *dst;
 128     SIZE_T info_size, env_size, size, alloc_size;
 129     NTSTATUS status;
 130     startup_info_t *info;
 131     RTL_USER_PROCESS_PARAMETERS *params = NULL;
 132
 133     if (!(info = RtlAllocateHeap( GetProcessHeap(), 0, data_size )))
 134         return STATUS_NO_MEMORY;
 135
 136     SERVER_START_REQ( get_startup_info )
 137     {
 138         wine_server_set_reply( req, info, data_size );
 139         if (!(status = wine_server_call( req )))
 140         {
 141             data_size = wine_server_reply_size( reply );
 142             info_size = reply->info_size;
 143             env_size  = data_size - info_size;
 144             *exe_file = wine_server_ptr_handle( reply->exe_file );
 145         }
 146     }
 147     SERVER_END_REQ;
 148     if (status != STATUS_SUCCESS) goto done;
 149
 150     size = sizeof(*params);
 151     size += MAX_NT_PATH_LENGTH * sizeof(WCHAR);
 152     size += info->dllpath_len + sizeof(WCHAR);
 153     size += info->imagepath_len + sizeof(WCHAR);
 154     size += info->cmdline_len + sizeof(WCHAR);
 155     size += info->title_len + sizeof(WCHAR);
 156     size += info->desktop_len + sizeof(WCHAR);
 157     size += info->shellinfo_len + sizeof(WCHAR);
 158     size += info->runtime_len + sizeof(WCHAR);
 159
 160     alloc_size = size;
 161     status = NtAllocateVirtualMemory( NtCurrentProcess(), (void **)&params, 0, &alloc_size,
 162                                       MEM_COMMIT, PAGE_READWRITE );
 163     if (status != STATUS_SUCCESS) goto done;
 164
 165     NtCurrentTeb()->Peb->ProcessParameters = params;
 166     params->AllocationSize  = alloc_size;
 167     params->Size            = size;
 168     params->Flags           = PROCESS_PARAMS_FLAG_NORMALIZED;
 169     params->DebugFlags      = info->debug_flags;
 170     params->ConsoleHandle   = wine_server_ptr_handle( info->console );
 171     params->ConsoleFlags    = info->console_flags;
 172     params->hStdInput       = wine_server_ptr_handle( info->hstdin );
 173     params->hStdOutput      = wine_server_ptr_handle( info->hstdout );
 174     params->hStdError       = wine_server_ptr_handle( info->hstderr );
 175     params->dwX             = info->x;
 176     params->dwY             = info->y;
 177     params->dwXSize         = info->xsize;
 178     params->dwYSize         = info->ysize;
 179     params->dwXCountChars   = info->xchars;
 180     params->dwYCountChars   = info->ychars;
 181     params->dwFillAttribute = info->attribute;
 182     params->dwFlags         = info->flags;
 183     params->wShowWindow     = info->show;
 184
 185     src = (WCHAR *)(info + 1);
 186     dst = (WCHAR *)(params + 1);
 187
 188     /* current directory needs more space */
 189     get_unicode_string( &params->CurrentDirectory.DosPath, &src, &dst, info->curdir_len );
 190     params->CurrentDirectory.DosPath.MaximumLength = MAX_NT_PATH_LENGTH * sizeof(WCHAR);
 191     dst = (WCHAR *)(params + 1) + MAX_NT_PATH_LENGTH;
 192
 193     get_unicode_string( &params->DllPath, &src, &dst, info->dllpath_len );
 194     get_unicode_string( &params->ImagePathName, &src, &dst, info->imagepath_len );
 195     get_unicode_string( &params->CommandLine, &src, &dst, info->cmdline_len );
 196     get_unicode_string( &params->WindowTitle, &src, &dst, info->title_len );
 197     get_unicode_string( &params->Desktop, &src, &dst, info->desktop_len );
 198     get_unicode_string( &params->ShellInfo, &src, &dst, info->shellinfo_len );
 199
 200     /* runtime info isn't a real string */
 201     params->RuntimeInfo.Buffer = dst;
 202     params->RuntimeInfo.Length = params->RuntimeInfo.MaximumLength = info->runtime_len;
 203     memcpy( dst, src, info->runtime_len );
 204
 205     /* environment needs to be a separate memory block */
 206     ptr = NULL;
 207     alloc_size = max( 1, env_size );
 208     status = NtAllocateVirtualMemory( NtCurrentProcess(), &ptr, 0, &alloc_size,
 209                                       MEM_COMMIT, PAGE_READWRITE );
 210     if (status != STATUS_SUCCESS) goto done;
 211     memcpy( ptr, (char *)info + info_size, env_size );
 212     params->Environment = ptr;
 213
 214 done:
 215     RtlFreeHeap( GetProcessHeap(), 0, info );
 216     return status;
 217 }
 218
 219 /***********************************************************************
 220  *           get_global_flag
 221  *
 222  * This is called before the process heap is created,
 223  * but after the connection to the server is established.
 224  * No windows heap allocation is permitted.
 225  */
 226 static DWORD get_global_flag(void)
 227 {
 228     static const WCHAR sessionman_keyW[] = {'M','a','c','h','i','n','e','\\',
 229                                             'S','y','s','t','e','m','\\',
 230                                             'C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
 231                                             'C','o','n','t','r','o','l','\\',
 232                                             'S','e','s','s','i','o','n',' ','M','a','n','a','g','e','r',0};
 233     static const WCHAR global_flagW[] = {'G','l','o','b','a','l','F','l','a','g',0};
 234     OBJECT_ATTRIBUTES attr;
 235     UNICODE_STRING nameW, valueW;
 236     HANDLE hkey;
 237     char tmp[32];
 238     DWORD count;
 239     KEY_VALUE_PARTIAL_INFORMATION *info = (KEY_VALUE_PARTIAL_INFORMATION *)tmp;
 240     NTSTATUS status;
 241
 242     attr.Length = sizeof(attr);
 243     attr.RootDirectory = 0;
 244     attr.ObjectName = &nameW;
 245     attr.Attributes = 0;
 246     attr.SecurityDescriptor = NULL;
 247     attr.SecurityQualityOfService = NULL;
 248     RtlInitUnicodeString( &nameW, sessionman_keyW );
 249
 250     status = NtOpenKey( &hkey, KEY_ALL_ACCESS, &attr );
 251     if (status != STATUS_SUCCESS)
 252         return 0;
 253
 254     RtlInitUnicodeString( &valueW, global_flagW );
 255     status = NtQueryValueKey( hkey, &valueW, KeyValuePartialInformation, tmp, sizeof(tmp)-1, &count );
 256     if (status != STATUS_SUCCESS)
 257         return 0;
 258
 259     /* Some documents say this can be a string, so handle either type */
 260     if (info->Type == REG_DWORD)
 261         return *(DWORD *)info->Data;
 262     if (info->Type == REG_SZ)
 263         return strtol((char *)info->Data, NULL, 16);
 264     return 0;
 265 }
 266
 267 /***********************************************************************
 268  *           thread_init
 269  *
 270  * Setup the initial thread.
 271  *
 272  * NOTES: The first allocated TEB on NT is at 0x7ffde000.
 273  */
 274 HANDLE thread_init(void)
 275 {
 276     PEB *peb;
 277     TEB *teb;
 278     void *addr;
 279     SIZE_T size, info_size;
 280     HANDLE exe_file = 0;
 281     LARGE_INTEGER now;
 282     struct ntdll_thread_data *thread_data;
 283     static struct debug_info debug_info;  /* debug info for initial thread */
 284
 285     virtual_init();
 286
 287     /* reserve space for shared user data */
 288
 289     addr = (void *)0x7ffe0000;
 290     size = 0x10000;
 291     NtAllocateVirtualMemory( NtCurrentProcess(), &addr, 0, &size, MEM_RESERVE|MEM_COMMIT, PAGE_READWRITE );
 292     user_shared_data = addr;
 293
 294     /* allocate and initialize the PEB */
 295
 296     addr = NULL;
 297     size = sizeof(*peb);
 298     NtAllocateVirtualMemory( NtCurrentProcess(), &addr, 1, &size,
 299                              MEM_COMMIT | MEM_TOP_DOWN, PAGE_READWRITE );
 300     peb = addr;
 301
 302     peb->ProcessParameters  = &params;
 303     peb->TlsBitmap          = &tls_bitmap;
 304     peb->TlsExpansionBitmap = &tls_expansion_bitmap;
 305     peb->FlsBitmap          = &fls_bitmap;
 306     peb->LdrData            = &ldr;
 307     params.CurrentDirectory.DosPath.Buffer = current_dir;
 308     params.CurrentDirectory.DosPath.MaximumLength = sizeof(current_dir);
 309     params.wShowWindow = 1; /* SW_SHOWNORMAL */
 310     RtlInitializeBitMap( &tls_bitmap, peb->TlsBitmapBits, sizeof(peb->TlsBitmapBits) * 8 );
 311     RtlInitializeBitMap( &tls_expansion_bitmap, peb->TlsExpansionBitmapBits,
 312                          sizeof(peb->TlsExpansionBitmapBits) * 8 );
 313     RtlInitializeBitMap( &fls_bitmap, peb->FlsBitmapBits, sizeof(peb->FlsBitmapBits) * 8 );
 314     InitializeListHead( &peb->FlsListHead );
 315     InitializeListHead( &ldr.InLoadOrderModuleList );
 316     InitializeListHead( &ldr.InMemoryOrderModuleList );
 317     InitializeListHead( &ldr.InInitializationOrderModuleList );
 318     InitializeListHead( &tls_links );
 319
 320     /* allocate and initialize the initial TEB */
 321
 322     signal_alloc_thread( &teb );
 323     teb->Peb = peb;
 324     teb->Tib.StackBase = (void *)~0UL;
 325     teb->StaticUnicodeString.Buffer = teb->StaticUnicodeBuffer;
 326     teb->StaticUnicodeString.MaximumLength = sizeof(teb->StaticUnicodeBuffer);
 327
 328     thread_data = (struct ntdll_thread_data *)teb->SpareBytes1;
 329     thread_data->request_fd = -1;
 330     thread_data->reply_fd   = -1;
 331     thread_data->wait_fd[0] = -1;
 332     thread_data->wait_fd[1] = -1;
 333     thread_data->debug_info = &debug_info;
 334     InsertHeadList( &tls_links, &teb->TlsLinks );
 335
 336     signal_init_thread( teb );
 337     virtual_init_threading();
 338
 339     debug_info.str_pos = debug_info.strings;
 340     debug_info.out_pos = debug_info.output;
 341     debug_init();
 342
 343     /* setup the server connection */
 344     server_init_process();
 345     info_size = server_init_thread( peb );
 346
 347     /* retrieve the global flags settings from the registry */
 348     peb->NtGlobalFlag = get_global_flag();
 349
 350     /* create the process heap */
 351     if (!(peb->ProcessHeap = RtlCreateHeap( HEAP_GROWABLE, NULL, 0, 0, NULL, NULL )))
 352     {
 353         MESSAGE( "wine: failed to create the process heap\n" );
 354         exit(1);
 355     }
 356
 357     /* allocate user parameters */
 358     if (info_size)
 359     {
 360         init_user_process_params( info_size, &exe_file );
 361     }
 362     else
 363     {
 364         /* This is wine specific: we have no parent (we're started from unix)
 365          * so, create a simple console with bare handles to unix stdio
 366          */
 367         wine_server_fd_to_handle( 0, GENERIC_READ|SYNCHRONIZE,  OBJ_INHERIT, &params.hStdInput );
 368         wine_server_fd_to_handle( 1, GENERIC_WRITE|SYNCHRONIZE, OBJ_INHERIT, &params.hStdOutput );
 369         wine_server_fd_to_handle( 2, GENERIC_WRITE|SYNCHRONIZE, OBJ_INHERIT, &params.hStdError );
 370     }
 371
 372     /* initialize LDT locking */
 373     wine_ldt_init_locking( ldt_lock, ldt_unlock );
 374
 375     /* initialize time values in user_shared_data */
 376     NtQuerySystemTime( &now );
 377     user_shared_data->SystemTime.LowPart = now.u.LowPart;
 378     user_shared_data->SystemTime.High1Time = user_shared_data->SystemTime.High2Time = now.u.HighPart;
 379     user_shared_data->u.TickCountQuad = (now.QuadPart - server_start_time) / 10000;
 380     user_shared_data->u.TickCount.High2Time = user_shared_data->u.TickCount.High1Time;
 381     user_shared_data->TickCountLowDeprecated = user_shared_data->u.TickCount.LowPart;
 382     user_shared_data->TickCountMultiplier = 1 << 24;
 383
 384     fill_cpu_info();
 385
 386     return exe_file;
 387 }
 388
 389
 390 /***********************************************************************
 391  *           terminate_thread
 392  */
 393 void terminate_thread( int status )
 394 {
 395     pthread_sigmask( SIG_BLOCK, &server_block_set, NULL );
 396     if (interlocked_xchg_add( &nb_threads, -1 ) <= 1) _exit( status );
 397
 398     close( ntdll_get_thread_data()->wait_fd[0] );
 399     close( ntdll_get_thread_data()->wait_fd[1] );
 400     close( ntdll_get_thread_data()->reply_fd );
 401     close( ntdll_get_thread_data()->request_fd );
 402     pthread_exit( UIntToPtr(status) );
 403 }
 404
 405
 406 /***********************************************************************
 407  *           exit_thread
 408  */
 409 void exit_thread( int status )
 410 {
 411     static void *prev_teb;
 412     TEB *teb;
 413
 414     if (status)  /* send the exit code to the server (0 is already the default) */
 415     {
 416         SERVER_START_REQ( terminate_thread )
 417         {
 418             req->handle    = wine_server_obj_handle( GetCurrentThread() );
 419             req->exit_code = status;
 420             wine_server_call( req );
 421         }
 422         SERVER_END_REQ;
 423     }
 424
 425     if (interlocked_xchg_add( &nb_threads, -1 ) <= 1)
 426     {
 427         LdrShutdownProcess();
 428         exit( status );
 429     }
 430
 431     LdrShutdownThread();
 432     RtlAcquirePebLock();
 433     RemoveEntryList( &NtCurrentTeb()->TlsLinks );
 434     RtlReleasePebLock();
 435     RtlFreeHeap( GetProcessHeap(), 0, NtCurrentTeb()->FlsSlots );
 436     RtlFreeHeap( GetProcessHeap(), 0, NtCurrentTeb()->TlsExpansionSlots );
 437
 438     pthread_sigmask( SIG_BLOCK, &server_block_set, NULL );
 439
 440     if ((teb = interlocked_xchg_ptr( &prev_teb, NtCurrentTeb() )))
 441     {
 442         struct ntdll_thread_data *thread_data = (struct ntdll_thread_data *)teb->SpareBytes1;
 443
 444         pthread_join( thread_data->pthread_id, NULL );
 445         signal_free_thread( teb );
 446     }
 447
 448     close( ntdll_get_thread_data()->wait_fd[0] );
 449     close( ntdll_get_thread_data()->wait_fd[1] );
 450     close( ntdll_get_thread_data()->reply_fd );
 451     close( ntdll_get_thread_data()->request_fd );
 452     pthread_exit( UIntToPtr(status) );
 453 }
 454
 455
 456 /***********************************************************************
 457  *           start_thread
 458  *
 459  * Startup routine for a newly created thread.
 460  */
 461 static void start_thread( struct startup_info *info )
 462 {
 463     TEB *teb = info->teb;
 464     struct ntdll_thread_data *thread_data = (struct ntdll_thread_data *)teb->SpareBytes1;
 465     PRTL_THREAD_START_ROUTINE func = info->entry_point;
 466     void *arg = info->entry_arg;
 467     struct debug_info debug_info;
 468
 469     debug_info.str_pos = debug_info.strings;
 470     debug_info.out_pos = debug_info.output;
 471     thread_data->debug_info = &debug_info;
 472     thread_data->pthread_id = pthread_self();
 473
 474     signal_init_thread( teb );
 475     server_init_thread( func );
 476     pthread_sigmask( SIG_UNBLOCK, &server_block_set, NULL );
 477
 478     RtlAcquirePebLock();
 479     InsertHeadList( &tls_links, &teb->TlsLinks );
 480     RtlReleasePebLock();
 481
 482     MODULE_DllThreadAttach( NULL );
 483
 484     if (TRACE_ON(relay))
 485         DPRINTF( "%04x:Starting thread proc %p (arg=%p)\n", GetCurrentThreadId(), func, arg );
 486
 487     call_thread_entry_point( (LPTHREAD_START_ROUTINE)func, arg );
 488 }
 489
 490
 491 /***********************************************************************
 492  *              RtlCreateUserThread   (NTDLL.@)
 493  */
 494 NTSTATUS WINAPI RtlCreateUserThread( HANDLE process, const SECURITY_DESCRIPTOR *descr,
 495                                      BOOLEAN suspended, PVOID stack_addr,
 496                                      SIZE_T stack_reserve, SIZE_T stack_commit,
 497                                      PRTL_THREAD_START_ROUTINE start, void *param,
 498                                      HANDLE *handle_ptr, CLIENT_ID *id )
 499 {
 500     sigset_t sigset;
 501     pthread_t pthread_id;
 502     pthread_attr_t attr;
 503     struct ntdll_thread_data *thread_data;
 504     struct startup_info *info = NULL;
 505     HANDLE handle = 0;
 506     TEB *teb = NULL;
 507     DWORD tid = 0;
 508     int request_pipe[2];
 509     NTSTATUS status;
 510
 511     if (process != NtCurrentProcess())
 512     {
 513         apc_call_t call;
 514         apc_result_t result;
 515
 516         memset( &call, 0, sizeof(call) );
 517
 518         call.create_thread.type    = APC_CREATE_THREAD;
 519         call.create_thread.func    = wine_server_client_ptr( start );
 520         call.create_thread.arg     = wine_server_client_ptr( param );
 521         call.create_thread.reserve = stack_reserve;
 522         call.create_thread.commit  = stack_commit;
 523         call.create_thread.suspend = suspended;
 524         status = NTDLL_queue_process_apc( process, &call, &result );
 525         if (status != STATUS_SUCCESS) return status;
 526
 527         if (result.create_thread.status == STATUS_SUCCESS)
 528         {
 529             if (id) id->UniqueThread = ULongToHandle(result.create_thread.tid);
 530             if (handle_ptr) *handle_ptr = wine_server_ptr_handle( result.create_thread.handle );
 531             else NtClose( wine_server_ptr_handle( result.create_thread.handle ));
 532         }
 533         return result.create_thread.status;
 534     }
 535
 536     if (server_pipe( request_pipe ) == -1) return STATUS_TOO_MANY_OPENED_FILES;
 537     wine_server_send_fd( request_pipe[0] );
 538
 539     SERVER_START_REQ( new_thread )
 540     {
 541         req->access     = THREAD_ALL_ACCESS;
 542         req->attributes = 0;  /* FIXME */
 543         req->suspend    = suspended;
 544         req->request_fd = request_pipe[0];
 545         if (!(status = wine_server_call( req )))
 546         {
 547             handle = wine_server_ptr_handle( reply->handle );
 548             tid = reply->tid;
 549         }
 550         close( request_pipe[0] );
 551     }
 552     SERVER_END_REQ;
 553
 554     if (status)
 555     {
 556         close( request_pipe[1] );
 557         return status;
 558     }
 559
 560     pthread_sigmask( SIG_BLOCK, &server_block_set, &sigset );
 561
 562     if ((status = signal_alloc_thread( &teb ))) goto error;
 563
 564     teb->Peb = NtCurrentTeb()->Peb;
 565     teb->ClientId.UniqueProcess = ULongToHandle(GetCurrentProcessId());
 566     teb->ClientId.UniqueThread  = ULongToHandle(tid);
 567     teb->StaticUnicodeString.Buffer        = teb->StaticUnicodeBuffer;
 568     teb->StaticUnicodeString.MaximumLength = sizeof(teb->StaticUnicodeBuffer);
 569
 570     info = (struct startup_info *)(teb + 1);
 571     info->teb         = teb;
 572     info->entry_point = start;
 573     info->entry_arg   = param;
 574
 575     thread_data = (struct ntdll_thread_data *)teb->SpareBytes1;
 576     thread_data->request_fd  = request_pipe[1];
 577     thread_data->reply_fd    = -1;
 578     thread_data->wait_fd[0]  = -1;
 579     thread_data->wait_fd[1]  = -1;
 580
 581     if ((status = virtual_alloc_thread_stack( teb, stack_reserve, stack_commit ))) goto error;
 582
 583     pthread_attr_init( &attr );
 584     pthread_attr_setstack( &attr, teb->DeallocationStack,
 585                            (char *)teb->Tib.StackBase - (char *)teb->DeallocationStack );
 586     pthread_attr_setscope( &attr, PTHREAD_SCOPE_SYSTEM ); /* force creating a kernel thread */
 587     interlocked_xchg_add( &nb_threads, 1 );
 588     if (pthread_create( &pthread_id, &attr, (void * (*)(void *))start_thread, info ))
 589     {
 590         interlocked_xchg_add( &nb_threads, -1 );
 591         pthread_attr_destroy( &attr );
 592         status = STATUS_NO_MEMORY;
 593         goto error;
 594     }
 595     pthread_attr_destroy( &attr );
 596     pthread_sigmask( SIG_SETMASK, &sigset, NULL );
 597
 598     if (id) id->UniqueThread = ULongToHandle(tid);
 599     if (handle_ptr) *handle_ptr = handle;
 600     else NtClose( handle );
 601
 602     return STATUS_SUCCESS;
 603
 604 error:
 605     if (teb) signal_free_thread( teb );
 606     if (handle) NtClose( handle );
 607     pthread_sigmask( SIG_SETMASK, &sigset, NULL );
 608     close( request_pipe[1] );
 609     return status;
 610 }
 611
 612
 613 /***********************************************************************
 614  *              NtOpenThread   (NTDLL.@)
 615  *              ZwOpenThread   (NTDLL.@)
 616  */
 617 NTSTATUS WINAPI NtOpenThread( HANDLE *handle, ACCESS_MASK access,
 618                               const OBJECT_ATTRIBUTES *attr, const CLIENT_ID *id )
 619 {
 620     NTSTATUS ret;
 621
 622     SERVER_START_REQ( open_thread )
 623     {
 624         req->tid        = HandleToULong(id->UniqueThread);
 625         req->access     = access;
 626         req->attributes = attr ? attr->Attributes : 0;
 627         ret = wine_server_call( req );
 628         *handle = wine_server_ptr_handle( reply->handle );
 629     }
 630     SERVER_END_REQ;
 631     return ret;
 632 }
 633
 634
 635 /******************************************************************************
 636  *              NtSuspendThread   (NTDLL.@)
 637  *              ZwSuspendThread   (NTDLL.@)
 638  */
 639 NTSTATUS WINAPI NtSuspendThread( HANDLE handle, PULONG count )
 640 {
 641     NTSTATUS ret;
 642
 643     SERVER_START_REQ( suspend_thread )
 644     {
 645         req->handle = wine_server_obj_handle( handle );
 646         if (!(ret = wine_server_call( req ))) *count = reply->count;
 647     }
 648     SERVER_END_REQ;
 649     return ret;
 650 }
 651
 652
 653 /******************************************************************************
 654  *              NtResumeThread   (NTDLL.@)
 655  *              ZwResumeThread   (NTDLL.@)
 656  */
 657 NTSTATUS WINAPI NtResumeThread( HANDLE handle, PULONG count )
 658 {
 659     NTSTATUS ret;
 660
 661     SERVER_START_REQ( resume_thread )
 662     {
 663         req->handle = wine_server_obj_handle( handle );
 664         if (!(ret = wine_server_call( req ))) *count = reply->count;
 665     }
 666     SERVER_END_REQ;
 667     return ret;
 668 }
 669
 670
 671 /******************************************************************************
 672  *              NtAlertResumeThread   (NTDLL.@)
 673  *              ZwAlertResumeThread   (NTDLL.@)
 674  */
 675 NTSTATUS WINAPI NtAlertResumeThread( HANDLE handle, PULONG count )
 676 {
 677     FIXME( "stub: should alert thread %p\n", handle );
 678     return NtResumeThread( handle, count );
 679 }
 680
 681
 682 /******************************************************************************
 683  *              NtAlertThread   (NTDLL.@)
 684  *              ZwAlertThread   (NTDLL.@)
 685  */
 686 NTSTATUS WINAPI NtAlertThread( HANDLE handle )
 687 {
 688     FIXME( "stub: %p\n", handle );
 689     return STATUS_NOT_IMPLEMENTED;
 690 }
 691
 692
 693 /******************************************************************************
 694  *              NtTerminateThread  (NTDLL.@)
 695  *              ZwTerminateThread  (NTDLL.@)
 696  */
 697 NTSTATUS WINAPI NtTerminateThread( HANDLE handle, LONG exit_code )
 698 {
 699     NTSTATUS ret;
 700     BOOL self;
 701
 702     SERVER_START_REQ( terminate_thread )
 703     {
 704         req->handle    = wine_server_obj_handle( handle );
 705         req->exit_code = exit_code;
 706         ret = wine_server_call( req );
 707         self = !ret && reply->self;
 708     }
 709     SERVER_END_REQ;
 710
 711     if (self) abort_thread( exit_code );
 712     return ret;
 713 }
 714
 715
 716 /******************************************************************************
 717  *              NtQueueApcThread  (NTDLL.@)
 718  */
 719 NTSTATUS WINAPI NtQueueApcThread( HANDLE handle, PNTAPCFUNC func, ULONG_PTR arg1,
 720                                   ULONG_PTR arg2, ULONG_PTR arg3 )
 721 {
 722     NTSTATUS ret;
 723     SERVER_START_REQ( queue_apc )
 724     {
 725         req->handle = wine_server_obj_handle( handle );
 726         if (func)
 727         {
 728             req->call.type         = APC_USER;
 729             req->call.user.func    = wine_server_client_ptr( func );
 730             req->call.user.args[0] = arg1;
 731             req->call.user.args[1] = arg2;
 732             req->call.user.args[2] = arg3;
 733         }
 734         else req->call.type = APC_NONE;  /* wake up only */
 735         ret = wine_server_call( req );
 736     }
 737     SERVER_END_REQ;
 738     return ret;
 739 }
 740
 741
 742 /***********************************************************************
 743  *              NtSetContextThread  (NTDLL.@)
 744  *              ZwSetContextThread  (NTDLL.@)
 745  */
 746 NTSTATUS WINAPI NtSetContextThread( HANDLE handle, const CONTEXT *context )
 747 {
 748     NTSTATUS ret;
 749     DWORD dummy, i;
 750     BOOL self = FALSE;
 751
 752 #ifdef __i386__
 753     /* on i386 debug registers always require a server call */
 754     self = (handle == GetCurrentThread());
 755     if (self && (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386)))
 756     {
 757         self = (ntdll_get_thread_data()->dr0 == context->Dr0 &&
 758                 ntdll_get_thread_data()->dr1 == context->Dr1 &&
 759                 ntdll_get_thread_data()->dr2 == context->Dr2 &&
 760                 ntdll_get_thread_data()->dr3 == context->Dr3 &&
 761                 ntdll_get_thread_data()->dr6 == context->Dr6 &&
 762                 ntdll_get_thread_data()->dr7 == context->Dr7);
 763     }
 764 #endif
 765
 766     if (!self)
 767     {
 768         context_t server_context;
 769
 770         context_to_server( &server_context, context );
 771
 772         SERVER_START_REQ( set_thread_context )
 773         {
 774             req->handle  = wine_server_obj_handle( handle );
 775             req->suspend = 0;
 776             wine_server_add_data( req, &server_context, sizeof(server_context) );
 777             ret = wine_server_call( req );
 778             self = reply->self;
 779         }
 780         SERVER_END_REQ;
 781
 782         if (ret == STATUS_PENDING)
 783         {
 784             if (NtSuspendThread( handle, &dummy ) == STATUS_SUCCESS)
 785             {
 786                 for (i = 0; i < 100; i++)
 787                 {
 788                     SERVER_START_REQ( set_thread_context )
 789                     {
 790                         req->handle  = wine_server_obj_handle( handle );
 791                         req->suspend = 0;
 792                         wine_server_add_data( req, &server_context, sizeof(server_context) );
 793                         ret = wine_server_call( req );
 794                     }
 795                     SERVER_END_REQ;
 796                     if (ret == STATUS_PENDING)
 797                     {
 798                         LARGE_INTEGER timeout;
 799                         timeout.QuadPart = -10000;
 800                         NtDelayExecution( FALSE, &timeout );
 801                     }
 802                     else break;
 803                 }
 804                 NtResumeThread( handle, &dummy );
 805             }
 806             if (ret == STATUS_PENDING) ret = STATUS_ACCESS_DENIED;
 807         }
 808
 809         if (ret) return ret;
 810     }
 811
 812     if (self) set_cpu_context( context );
 813     return STATUS_SUCCESS;
 814 }
 815
 816
 817 /* convert CPU-specific flags to generic server flags */
 818 static inline unsigned int get_server_context_flags( DWORD flags )
 819 {
 820     unsigned int ret = 0;
 821
 822     flags &= 0x3f;  /* mask CPU id flags */
 823     if (flags & CONTEXT_CONTROL) ret |= SERVER_CTX_CONTROL;
 824     if (flags & CONTEXT_INTEGER) ret |= SERVER_CTX_INTEGER;
 825 #ifdef CONTEXT_SEGMENTS
 826     if (flags & CONTEXT_SEGMENTS) ret |= SERVER_CTX_SEGMENTS;
 827 #endif
 828 #ifdef CONTEXT_FLOATING_POINT
 829     if (flags & CONTEXT_FLOATING_POINT) ret |= SERVER_CTX_FLOATING_POINT;
 830 #endif
 831 #ifdef CONTEXT_DEBUG_REGISTERS
 832     if (flags & CONTEXT_DEBUG_REGISTERS) ret |= SERVER_CTX_DEBUG_REGISTERS;
 833 #endif
 834 #ifdef CONTEXT_EXTENDED_REGISTERS
 835     if (flags & CONTEXT_EXTENDED_REGISTERS) ret |= SERVER_CTX_EXTENDED_REGISTERS;
 836 #endif
 837     return ret;
 838 }
 839
 840 /***********************************************************************
 841  *              NtGetContextThread  (NTDLL.@)
 842  *              ZwGetContextThread  (NTDLL.@)
 843  */
 844 NTSTATUS WINAPI NtGetContextThread( HANDLE handle, CONTEXT *context )
 845 {
 846     NTSTATUS ret;
 847     DWORD dummy, i;
 848     DWORD needed_flags = context->ContextFlags;
 849     BOOL self = (handle == GetCurrentThread());
 850
 851 #ifdef __i386__
 852     /* on i386 debug registers always require a server call */
 853     if (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386)) self = FALSE;
 854 #endif
 855
 856     if (!self)
 857     {
 858         unsigned int server_flags = get_server_context_flags( context->ContextFlags );
 859         context_t server_context;
 860
 861         SERVER_START_REQ( get_thread_context )
 862         {
 863             req->handle  = wine_server_obj_handle( handle );
 864             req->flags   = server_flags;
 865             req->suspend = 0;
 866             wine_server_set_reply( req, &server_context, sizeof(server_context) );
 867             ret = wine_server_call( req );
 868             self = reply->self;
 869         }
 870         SERVER_END_REQ;
 871
 872         if (ret == STATUS_PENDING)
 873         {
 874             if (NtSuspendThread( handle, &dummy ) == STATUS_SUCCESS)
 875             {
 876                 for (i = 0; i < 100; i++)
 877                 {
 878                     SERVER_START_REQ( get_thread_context )
 879                     {
 880                         req->handle  = wine_server_obj_handle( handle );
 881                         req->flags   = server_flags;
 882                         req->suspend = 0;
 883                         wine_server_set_reply( req, &server_context, sizeof(server_context) );
 884                         ret = wine_server_call( req );
 885                     }
 886                     SERVER_END_REQ;
 887                     if (ret == STATUS_PENDING)
 888                     {
 889                         LARGE_INTEGER timeout;
 890                         timeout.QuadPart = -10000;
 891                         NtDelayExecution( FALSE, &timeout );
 892                     }
 893                     else break;
 894                 }
 895                 NtResumeThread( handle, &dummy );
 896             }
 897             if (ret == STATUS_PENDING) ret = STATUS_ACCESS_DENIED;
 898         }
 899         if (!ret) ret = context_from_server( context, &server_context );
 900         if (ret) return ret;
 901         needed_flags &= ~context->ContextFlags;
 902     }
 903
 904     if (self)
 905     {
 906         if (needed_flags)
 907         {
 908             CONTEXT ctx;
 909             RtlCaptureContext( &ctx );
 910             copy_context( context, &ctx, ctx.ContextFlags & needed_flags );
 911             context->ContextFlags |= ctx.ContextFlags & needed_flags;
 912         }
 913 #ifdef __i386__
 914         /* update the cached version of the debug registers */
 915         if (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386))
 916         {
 917             ntdll_get_thread_data()->dr0 = context->Dr0;
 918             ntdll_get_thread_data()->dr1 = context->Dr1;
 919             ntdll_get_thread_data()->dr2 = context->Dr2;
 920             ntdll_get_thread_data()->dr3 = context->Dr3;
 921             ntdll_get_thread_data()->dr6 = context->Dr6;
 922             ntdll_get_thread_data()->dr7 = context->Dr7;
 923         }
 924 #endif
 925     }
 926     return STATUS_SUCCESS;
 927 }
 928
 929
 930 /******************************************************************************
 931  *              NtQueryInformationThread  (NTDLL.@)
 932  *              ZwQueryInformationThread  (NTDLL.@)
 933  */
 934 NTSTATUS WINAPI NtQueryInformationThread( HANDLE handle, THREADINFOCLASS class,
 935                                           void *data, ULONG length, ULONG *ret_len )
 936 {
 937     NTSTATUS status;
 938
 939     switch(class)
 940     {
 941     case ThreadBasicInformation:
 942         {
 943             THREAD_BASIC_INFORMATION info;
 944             const ULONG_PTR affinity_mask = ((ULONG_PTR)1 << NtCurrentTeb()->Peb->NumberOfProcessors) - 1;
 945
 946             SERVER_START_REQ( get_thread_info )
 947             {
 948                 req->handle = wine_server_obj_handle( handle );
 949                 req->tid_in = 0;
 950                 if (!(status = wine_server_call( req )))
 951                 {
 952                     info.ExitStatus             = reply->exit_code;
 953                     info.TebBaseAddress         = wine_server_get_ptr( reply->teb );
 954                     info.ClientId.UniqueProcess = ULongToHandle(reply->pid);
 955                     info.ClientId.UniqueThread  = ULongToHandle(reply->tid);
 956                     info.AffinityMask           = reply->affinity & affinity_mask;
 957                     info.Priority               = reply->priority;
 958                     info.BasePriority           = reply->priority;  /* FIXME */
 959                 }
 960             }
 961             SERVER_END_REQ;
 962             if (status == STATUS_SUCCESS)
 963             {
 964                 if (data) memcpy( data, &info, min( length, sizeof(info) ));
 965                 if (ret_len) *ret_len = min( length, sizeof(info) );
 966             }
 967         }
 968         return status;
 969     case ThreadAffinityMask:
 970         {
 971             const ULONG_PTR affinity_mask = ((ULONG_PTR)1 << NtCurrentTeb()->Peb->NumberOfProcessors) - 1;
 972             ULONG_PTR affinity = 0;
 973
 974             SERVER_START_REQ( get_thread_info )
 975             {
 976                 req->handle = wine_server_obj_handle( handle );
 977                 req->tid_in = 0;
 978                 if (!(status = wine_server_call( req )))
 979                     affinity = reply->affinity & affinity_mask;
 980             }
 981             SERVER_END_REQ;
 982             if (status == STATUS_SUCCESS)
 983             {
 984                 if (data) memcpy( data, &affinity, min( length, sizeof(affinity) ));
 985                 if (ret_len) *ret_len = min( length, sizeof(affinity) );
 986             }
 987         }
 988         return status;
 989     case ThreadTimes:
 990         {
 991             KERNEL_USER_TIMES   kusrt;
 992             /* We need to do a server call to get the creation time or exit time */
 993             /* This works on any thread */
 994             SERVER_START_REQ( get_thread_info )
 995             {
 996                 req->handle = wine_server_obj_handle( handle );
 997                 req->tid_in = 0;
 998                 status = wine_server_call( req );
 999                 if (status == STATUS_SUCCESS)
1000                 {
1001                     kusrt.CreateTime.QuadPart = reply->creation_time;
1002                     kusrt.ExitTime.QuadPart = reply->exit_time;
1003                 }
1004             }
1005             SERVER_END_REQ;
1006             if (status == STATUS_SUCCESS)
1007             {
1008                 /* We call times(2) for kernel time or user time */
1009                 /* We can only (portably) do this for the current thread */
1010                 if (handle == GetCurrentThread())
1011                 {
1012                     struct tms time_buf;
1013                     long clocks_per_sec = sysconf(_SC_CLK_TCK);
1014
1015                     times(&time_buf);
1016                     kusrt.KernelTime.QuadPart = (ULONGLONG)time_buf.tms_stime * 10000000 / clocks_per_sec;
1017                     kusrt.UserTime.QuadPart = (ULONGLONG)time_buf.tms_utime * 10000000 / clocks_per_sec;
1018                 }
1019                 else
1020                 {
1021                     static BOOL reported = FALSE;
1022
1023                     kusrt.KernelTime.QuadPart = 0;
1024                     kusrt.UserTime.QuadPart = 0;
1025                     if (reported)
1026                         TRACE("Cannot get kerneltime or usertime of other threads\n");
1027                     else
1028                     {
1029                         FIXME("Cannot get kerneltime or usertime of other threads\n");
1030                         reported = TRUE;
1031                     }
1032                 }
1033                 if (data) memcpy( data, &kusrt, min( length, sizeof(kusrt) ));
1034                 if (ret_len) *ret_len = min( length, sizeof(kusrt) );
1035             }
1036         }
1037         return status;
1038     case ThreadDescriptorTableEntry:
1039         {
1040 #ifdef __i386__
1041             THREAD_DESCRIPTOR_INFORMATION*      tdi = data;
1042             if (length < sizeof(*tdi))
1043                 status = STATUS_INFO_LENGTH_MISMATCH;
1044             else if (!(tdi->Selector & 4))  /* GDT selector */
1045             {
1046                 unsigned sel = tdi->Selector & ~3;  /* ignore RPL */
1047                 status = STATUS_SUCCESS;
1048                 if (!sel)  /* null selector */
1049                     memset( &tdi->Entry, 0, sizeof(tdi->Entry) );
1050                 else
1051                 {
1052                     tdi->Entry.BaseLow                   = 0;
1053                     tdi->Entry.HighWord.Bits.BaseMid     = 0;
1054                     tdi->Entry.HighWord.Bits.BaseHi      = 0;
1055                     tdi->Entry.LimitLow                  = 0xffff;
1056                     tdi->Entry.HighWord.Bits.LimitHi     = 0xf;
1057                     tdi->Entry.HighWord.Bits.Dpl         = 3;
1058                     tdi->Entry.HighWord.Bits.Sys         = 0;
1059                     tdi->Entry.HighWord.Bits.Pres        = 1;
1060                     tdi->Entry.HighWord.Bits.Granularity = 1;
1061                     tdi->Entry.HighWord.Bits.Default_Big = 1;
1062                     tdi->Entry.HighWord.Bits.Type        = 0x12;
1063                     /* it has to be one of the system GDT selectors */
1064                     if (sel != (wine_get_ds() & ~3) && sel != (wine_get_ss() & ~3))
1065                     {
1066                         if (sel == (wine_get_cs() & ~3))
1067                             tdi->Entry.HighWord.Bits.Type |= 8;  /* code segment */
1068                         else status = STATUS_ACCESS_DENIED;
1069                     }
1070                 }
1071             }
1072             else
1073             {
1074                 SERVER_START_REQ( get_selector_entry )
1075                 {
1076                     req->handle = wine_server_obj_handle( handle );
1077                     req->entry = tdi->Selector >> 3;
1078                     status = wine_server_call( req );
1079                     if (!status)
1080                     {
1081                         if (!(reply->flags & WINE_LDT_FLAGS_ALLOCATED))
1082                             status = STATUS_ACCESS_VIOLATION;
1083                         else
1084                         {
1085                             wine_ldt_set_base ( &tdi->Entry, (void *)reply->base );
1086                             wine_ldt_set_limit( &tdi->Entry, reply->limit );
1087                             wine_ldt_set_flags( &tdi->Entry, reply->flags );
1088                         }
1089                     }
1090                 }
1091                 SERVER_END_REQ;
1092             }
1093             if (status == STATUS_SUCCESS && ret_len)
1094                 /* yes, that's a bit strange, but it's the way it is */
1095                 *ret_len = sizeof(LDT_ENTRY);
1096 #else
1097             status = STATUS_NOT_IMPLEMENTED;
1098 #endif
1099             return status;
1100         }
1101     case ThreadAmILastThread:
1102         {
1103             SERVER_START_REQ(get_thread_info)
1104             {
1105                 req->handle = wine_server_obj_handle( handle );
1106                 req->tid_in = 0;
1107                 status = wine_server_call( req );
1108                 if (status == STATUS_SUCCESS)
1109                 {
1110                     BOOLEAN last = reply->last;
1111                     if (data) memcpy( data, &last, min( length, sizeof(last) ));
1112                     if (ret_len) *ret_len = min( length, sizeof(last) );
1113                 }
1114             }
1115             SERVER_END_REQ;
1116             return status;
1117         }
1118     case ThreadPriority:
1119     case ThreadBasePriority:
1120     case ThreadImpersonationToken:
1121     case ThreadEnableAlignmentFaultFixup:
1122     case ThreadEventPair_Reusable:
1123     case ThreadQuerySetWin32StartAddress:
1124     case ThreadZeroTlsCell:
1125     case ThreadPerformanceCount:
1126     case ThreadIdealProcessor:
1127     case ThreadPriorityBoost:
1128     case ThreadSetTlsArrayAddress:
1129     case ThreadIsIoPending:
1130     default:
1131         FIXME( "info class %d not supported yet\n", class );
1132         return STATUS_NOT_IMPLEMENTED;
1133     }
1134 }
1135
1136
1137 /******************************************************************************
1138  *              NtSetInformationThread  (NTDLL.@)
1139  *              ZwSetInformationThread  (NTDLL.@)
1140  */
1141 NTSTATUS WINAPI NtSetInformationThread( HANDLE handle, THREADINFOCLASS class,
1142                                         LPCVOID data, ULONG length )
1143 {
1144     NTSTATUS status;
1145     switch(class)
1146     {
1147     case ThreadZeroTlsCell:
1148         if (handle == GetCurrentThread())
1149         {
1150             LIST_ENTRY *entry;
1151             DWORD index;
1152
1153             if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
1154             index = *(const DWORD *)data;
1155             if (index < TLS_MINIMUM_AVAILABLE)
1156             {
1157                 RtlAcquirePebLock();
1158                 for (entry = tls_links.Flink; entry != &tls_links; entry = entry->Flink)
1159                 {
1160                     TEB *teb = CONTAINING_RECORD(entry, TEB, TlsLinks);
1161                     teb->TlsSlots[index] = 0;
1162                 }
1163                 RtlReleasePebLock();
1164             }
1165             else
1166             {
1167                 index -= TLS_MINIMUM_AVAILABLE;
1168                 if (index >= 8 * sizeof(NtCurrentTeb()->Peb->TlsExpansionBitmapBits))
1169                     return STATUS_INVALID_PARAMETER;
1170                 RtlAcquirePebLock();
1171                 for (entry = tls_links.Flink; entry != &tls_links; entry = entry->Flink)
1172                 {
1173                     TEB *teb = CONTAINING_RECORD(entry, TEB, TlsLinks);
1174                     if (teb->TlsExpansionSlots) teb->TlsExpansionSlots[index] = 0;
1175                 }
1176                 RtlReleasePebLock();
1177             }
1178             return STATUS_SUCCESS;
1179         }
1180         FIXME( "ZeroTlsCell not supported on other threads\n" );
1181         return STATUS_NOT_IMPLEMENTED;
1182
1183     case ThreadImpersonationToken:
1184         {
1185             const HANDLE *phToken = data;
1186             if (length != sizeof(HANDLE)) return STATUS_INVALID_PARAMETER;
1187             TRACE("Setting ThreadImpersonationToken handle to %p\n", *phToken );
1188             SERVER_START_REQ( set_thread_info )
1189             {
1190                 req->handle   = wine_server_obj_handle( handle );
1191                 req->token    = wine_server_obj_handle( *phToken );
1192                 req->mask     = SET_THREAD_INFO_TOKEN;
1193                 status = wine_server_call( req );
1194             }
1195             SERVER_END_REQ;
1196         }
1197         return status;
1198     case ThreadBasePriority:
1199         {
1200             const DWORD *pprio = data;
1201             if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
1202             SERVER_START_REQ( set_thread_info )
1203             {
1204                 req->handle   = wine_server_obj_handle( handle );
1205                 req->priority = *pprio;
1206                 req->mask     = SET_THREAD_INFO_PRIORITY;
1207                 status = wine_server_call( req );
1208             }
1209             SERVER_END_REQ;
1210         }
1211         return status;
1212     case ThreadAffinityMask:
1213         {
1214             const ULONG_PTR affinity_mask = ((ULONG_PTR)1 << NtCurrentTeb()->Peb->NumberOfProcessors) - 1;
1215             const ULONG_PTR *paff = data;
1216             if (length != sizeof(ULONG_PTR)) return STATUS_INVALID_PARAMETER;
1217             if (*paff & ~affinity_mask) return STATUS_INVALID_PARAMETER;
1218             if (!*paff) return STATUS_INVALID_PARAMETER;
1219             SERVER_START_REQ( set_thread_info )
1220             {
1221                 req->handle   = wine_server_obj_handle( handle );
1222                 req->affinity = *paff;
1223                 req->mask     = SET_THREAD_INFO_AFFINITY;
1224                 status = wine_server_call( req );
1225             }
1226             SERVER_END_REQ;
1227         }
1228         return status;
1229     case ThreadHideFromDebugger:
1230         /* pretend the call succeeded to satisfy some code protectors */
1231         return STATUS_SUCCESS;
1232
1233     case ThreadBasicInformation:
1234     case ThreadTimes:
1235     case ThreadPriority:
1236     case ThreadDescriptorTableEntry:
1237     case ThreadEnableAlignmentFaultFixup:
1238     case ThreadEventPair_Reusable:
1239     case ThreadQuerySetWin32StartAddress:
1240     case ThreadPerformanceCount:
1241     case ThreadAmILastThread:
1242     case ThreadIdealProcessor:
1243     case ThreadPriorityBoost:
1244     case ThreadSetTlsArrayAddress:
1245     case ThreadIsIoPending:
1246     default:
1247         FIXME( "info class %d not supported yet\n", class );
1248         return STATUS_NOT_IMPLEMENTED;
1249     }
1250 }