dlls/kernel/thread.c

   1 /*
   2  * Win32 threads
   3  *
   4  * Copyright 1996 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "config.h"
  22 #include "wine/port.h"
  23
  24 #include <assert.h>
  25 #include <fcntl.h>
  26 #include <stdarg.h>
  27 #include <sys/types.h>
  28 #ifdef HAVE_SYS_TIMES_H
  29 #include <sys/times.h>
  30 #endif
  31 #ifdef HAVE_UNISTD_H
  32 # include <unistd.h>
  33 #endif
  34
  35 #include "ntstatus.h"
  36 #include "windef.h"
  37 #include "winbase.h"
  38 #include "winerror.h"
  39 #include "winnls.h"
  40 #include "module.h"
  41 #include "thread.h"
  42 #include "wine/winbase16.h"
  43 #include "wine/library.h"
  44 #include "wine/server.h"
  45 #include "wine/debug.h"
  46
  47 WINE_DEFAULT_DEBUG_CHANNEL(thread);
  48 WINE_DECLARE_DEBUG_CHANNEL(relay);
  49
  50
  51 /* TEB of the initial thread */
  52 static TEB initial_teb;
  53 extern struct _PDB current_process;
  54
  55
  56 /***********************************************************************
  57  *           THREAD_InitTEB
  58  *
  59  * Initialization of a newly created TEB.
  60  */
  61 static BOOL THREAD_InitTEB( TEB *teb )
  62 {
  63     teb->Tib.ExceptionList = (void *)~0UL;
  64     teb->Tib.StackBase     = (void *)~0UL;
  65     teb->Tib.Self          = &teb->Tib;
  66     teb->tibflags  = TEBF_WIN32;
  67     teb->exit_code = STILL_ACTIVE;
  68     teb->request_fd = -1;
  69     teb->reply_fd   = -1;
  70     teb->wait_fd[0] = -1;
  71     teb->wait_fd[1] = -1;
  72     teb->StaticUnicodeString.MaximumLength = sizeof(teb->StaticUnicodeBuffer);
  73     teb->StaticUnicodeString.Buffer = (PWSTR)teb->StaticUnicodeBuffer;
  74     InitializeListHead(&teb->TlsLinks);
  75     teb->teb_sel = wine_ldt_alloc_fs();
  76     return (teb->teb_sel != 0);
  77 }
  78
  79
  80 /***********************************************************************
  81  *           THREAD_InitStack
  82  *
  83  * Allocate the stack of a thread.
  84  */
  85 TEB *THREAD_InitStack( TEB *teb, DWORD stack_size )
  86 {
  87     DWORD old_prot, total_size;
  88     DWORD page_size = getpagesize();
  89     void *base;
  90
  91     /* Allocate the stack */
  92
  93     /* if size is smaller than default, get stack size from parent */
  94     if (stack_size < 1024 * 1024)
  95     {
  96         if (teb)
  97             stack_size = 1024 * 1024;  /* no parent */
  98         else
  99             stack_size = ((char *)NtCurrentTeb()->Tib.StackBase
 100                         - (char *)NtCurrentTeb()->DeallocationStack
 101                         - SIGNAL_STACK_SIZE - 3 * page_size);
 102     }
 103
 104     /* FIXME: some Wine functions use a lot of stack, so we add 64Kb here */
 105     stack_size += 64 * 1024;
 106
 107     /* Memory layout in allocated block:
 108      *
 109      *   size                 contents
 110      * 1 page              NOACCESS guard page
 111      * SIGNAL_STACK_SIZE   signal stack
 112      * 1 page              NOACCESS guard page
 113      * 1 page              PAGE_GUARD guard page
 114      * stack_size          normal stack
 115      * 1 page              TEB (except for initial thread)
 116      */
 117
 118     stack_size = (stack_size + (page_size - 1)) & ~(page_size - 1);
 119     total_size = stack_size + SIGNAL_STACK_SIZE + 3 * page_size;
 120     if (!teb) total_size += page_size;
 121
 122     if (!(base = VirtualAlloc( NULL, total_size, MEM_COMMIT, PAGE_EXECUTE_READWRITE )))
 123         return NULL;
 124
 125     if (!teb)
 126     {
 127         teb = (TEB *)((char *)base + total_size - page_size);
 128         if (!THREAD_InitTEB( teb ))
 129         {
 130             VirtualFree( base, 0, MEM_RELEASE );
 131             return NULL;
 132         }
 133     }
 134
 135     teb->DeallocationStack = base;
 136     teb->signal_stack      = (char *)base + page_size;
 137     teb->Tib.StackBase     = (char *)base + 3 * page_size + SIGNAL_STACK_SIZE + stack_size;
 138     teb->Tib.StackLimit    = base;  /* note: limit is lower than base since the stack grows down */
 139
 140     /* Setup guard pages */
 141
 142     VirtualProtect( base, 1, PAGE_NOACCESS, &old_prot );
 143     VirtualProtect( (char *)teb->signal_stack + SIGNAL_STACK_SIZE, 1, PAGE_NOACCESS, &old_prot );
 144     VirtualProtect( (char *)teb->signal_stack + SIGNAL_STACK_SIZE + page_size, 1,
 145                     PAGE_EXECUTE_READWRITE | PAGE_GUARD, &old_prot );
 146     return teb;
 147 }
 148
 149
 150 /***********************************************************************
 151  *           THREAD_Init
 152  *
 153  * Setup the initial thread.
 154  *
 155  * NOTES: The first allocated TEB on NT is at 0x7ffde000.
 156  */
 157 void THREAD_Init(void)
 158 {
 159     static struct debug_info info;  /* debug info for initial thread */
 160
 161     if (!initial_teb.Tib.Self)  /* do it only once */
 162     {
 163         THREAD_InitTEB( &initial_teb );
 164         assert( initial_teb.teb_sel );
 165         info.str_pos = info.strings;
 166         info.out_pos = info.output;
 167         initial_teb.debug_info = &info;
 168         initial_teb.Peb = (PEB *)&current_process;  /* FIXME */
 169         SYSDEPS_SetCurThread( &initial_teb );
 170     }
 171 }
 172
 173 DECL_GLOBAL_CONSTRUCTOR(thread_init) { THREAD_Init(); }
 174
 175
 176 /***********************************************************************
 177  *           THREAD_Start
 178  *
 179  * Start execution of a newly created thread. Does not return.
 180  */
 181 static void THREAD_Start( TEB *teb )
 182 {
 183     LPTHREAD_START_ROUTINE func = (LPTHREAD_START_ROUTINE)teb->entry_point;
 184     struct debug_info info;
 185
 186     info.str_pos = info.strings;
 187     info.out_pos = info.output;
 188     teb->debug_info = &info;
 189
 190     SYSDEPS_SetCurThread( teb );
 191     SIGNAL_Init();
 192     wine_server_init_thread();
 193
 194     if (TRACE_ON(relay))
 195         DPRINTF("%04lx:Starting thread (entryproc=%p)\n", GetCurrentThreadId(), func );
 196
 197     __TRY
 198     {
 199         MODULE_DllThreadAttach( NULL );
 200         ExitThread( func( NtCurrentTeb()->entry_arg ) );
 201     }
 202     __EXCEPT(UnhandledExceptionFilter)
 203     {
 204         TerminateThread( GetCurrentThread(), GetExceptionCode() );
 205     }
 206     __ENDTRY
 207 }
 208
 209
 210 /***********************************************************************
 211  *           CreateThread   (KERNEL32.@)
 212  */
 213 HANDLE WINAPI CreateThread( SECURITY_ATTRIBUTES *sa, SIZE_T stack,
 214                             LPTHREAD_START_ROUTINE start, LPVOID param,
 215                             DWORD flags, LPDWORD id )
 216 {
 217     HANDLE handle = 0;
 218     TEB *teb;
 219     DWORD tid = 0;
 220     int request_pipe[2];
 221
 222     if (pipe( request_pipe ) == -1)
 223     {
 224         SetLastError( ERROR_TOO_MANY_OPEN_FILES );
 225         return 0;
 226     }
 227     fcntl( request_pipe[1], F_SETFD, 1 ); /* set close on exec flag */
 228     wine_server_send_fd( request_pipe[0] );
 229
 230     SERVER_START_REQ( new_thread )
 231     {
 232         req->suspend    = ((flags & CREATE_SUSPENDED) != 0);
 233         req->inherit    = (sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle);
 234         req->request_fd = request_pipe[0];
 235         if (!wine_server_call_err( req ))
 236         {
 237             handle = reply->handle;
 238             tid = reply->tid;
 239         }
 240         close( request_pipe[0] );
 241     }
 242     SERVER_END_REQ;
 243
 244     if (!handle || !(teb = THREAD_InitStack( NULL, stack )))
 245     {
 246         close( request_pipe[1] );
 247         return 0;
 248     }
 249
 250     teb->Peb         = NtCurrentTeb()->Peb;
 251     teb->ClientId.UniqueThread = (HANDLE)tid;
 252     teb->request_fd  = request_pipe[1];
 253     teb->entry_point = start;
 254     teb->entry_arg   = param;
 255     teb->htask16     = GetCurrentTask();
 256     RtlAcquirePebLock();
 257     InsertHeadList( &NtCurrentTeb()->TlsLinks, &teb->TlsLinks );
 258     RtlReleasePebLock();
 259
 260     if (id) *id = tid;
 261     if (SYSDEPS_SpawnThread( THREAD_Start, teb ) == -1)
 262     {
 263         CloseHandle( handle );
 264         close( request_pipe[1] );
 265         RtlAcquirePebLock();
 266         RemoveEntryList( &teb->TlsLinks );
 267         RtlReleasePebLock();
 268         wine_ldt_free_fs( teb->teb_sel );
 269         VirtualFree( teb->DeallocationStack, 0, MEM_RELEASE );
 270         return 0;
 271     }
 272     return handle;
 273 }
 274
 275
 276 /***********************************************************************
 277  * OpenThread  [KERNEL32.@]   Retrieves a handle to a thread from its thread id
 278  */
 279 HANDLE WINAPI OpenThread( DWORD dwDesiredAccess, BOOL bInheritHandle, DWORD dwThreadId )
 280 {
 281     HANDLE ret = 0;
 282     SERVER_START_REQ( open_thread )
 283     {
 284         req->tid     = dwThreadId;
 285         req->access  = dwDesiredAccess;
 286         req->inherit = bInheritHandle;
 287         if (!wine_server_call_err( req )) ret = reply->handle;
 288     }
 289     SERVER_END_REQ;
 290     return ret;
 291 }
 292
 293
 294 /***********************************************************************
 295  * ExitThread [KERNEL32.@]  Ends a thread
 296  *
 297  * RETURNS
 298  *    None
 299  */
 300 void WINAPI ExitThread( DWORD code ) /* [in] Exit code for this thread */
 301 {
 302     BOOL last;
 303     SERVER_START_REQ( terminate_thread )
 304     {
 305         /* send the exit code to the server */
 306         req->handle    = GetCurrentThread();
 307         req->exit_code = code;
 308         wine_server_call( req );
 309         last = reply->last;
 310     }
 311     SERVER_END_REQ;
 312
 313     if (last)
 314     {
 315         LdrShutdownProcess();
 316         exit( code );
 317     }
 318     else
 319     {
 320         LdrShutdownThread();
 321         RtlAcquirePebLock();
 322         RemoveEntryList( &NtCurrentTeb()->TlsLinks );
 323         RtlReleasePebLock();
 324         SYSDEPS_ExitThread( code );
 325     }
 326 }
 327
 328
 329 /**********************************************************************
 330  * TerminateThread [KERNEL32.@]  Terminates a thread
 331  *
 332  * RETURNS
 333  *    Success: TRUE
 334  *    Failure: FALSE
 335  */
 336 BOOL WINAPI TerminateThread( HANDLE handle,    /* [in] Handle to thread */
 337                              DWORD exit_code)  /* [in] Exit code for thread */
 338 {
 339     NTSTATUS status = NtTerminateThread( handle, exit_code );
 340     if (status) SetLastError( RtlNtStatusToDosError(status) );
 341     return !status;
 342 }
 343
 344
 345 /***********************************************************************
 346  *           FreeLibraryAndExitThread (KERNEL32.@)
 347  */
 348 void WINAPI FreeLibraryAndExitThread(HINSTANCE hLibModule, DWORD dwExitCode)
 349 {
 350     FreeLibrary(hLibModule);
 351     ExitThread(dwExitCode);
 352 }
 353
 354
 355 /**********************************************************************
 356  *              GetExitCodeThread (KERNEL32.@)
 357  *
 358  * Gets termination status of thread.
 359  *
 360  * RETURNS
 361  *    Success: TRUE
 362  *    Failure: FALSE
 363  */
 364 BOOL WINAPI GetExitCodeThread(
 365     HANDLE hthread, /* [in]  Handle to thread */
 366     LPDWORD exitcode) /* [out] Address to receive termination status */
 367 {
 368     THREAD_BASIC_INFORMATION info;
 369     NTSTATUS status = NtQueryInformationThread( hthread, ThreadBasicInformation,
 370                                                 &info, sizeof(info), NULL );
 371
 372     if (status)
 373     {
 374         SetLastError( RtlNtStatusToDosError(status) );
 375         return FALSE;
 376     }
 377     if (exitcode) *exitcode = info.ExitStatus;
 378     return TRUE;
 379 }
 380
 381
 382 /***********************************************************************
 383  * SetThreadContext [KERNEL32.@]  Sets context of thread.
 384  *
 385  * RETURNS
 386  *    Success: TRUE
 387  *    Failure: FALSE
 388  */
 389 BOOL WINAPI SetThreadContext( HANDLE handle,           /* [in]  Handle to thread with context */
 390                               const CONTEXT *context ) /* [in] Address of context structure */
 391 {
 392     NTSTATUS status = NtSetContextThread( handle, context );
 393     if (status) SetLastError( RtlNtStatusToDosError(status) );
 394     return !status;
 395 }
 396
 397
 398 /***********************************************************************
 399  * GetThreadContext [KERNEL32.@]  Retrieves context of thread.
 400  *
 401  * RETURNS
 402  *    Success: TRUE
 403  *    Failure: FALSE
 404  */
 405 BOOL WINAPI GetThreadContext( HANDLE handle,     /* [in]  Handle to thread with context */
 406                               CONTEXT *context ) /* [out] Address of context structure */
 407 {
 408     NTSTATUS status = NtGetContextThread( handle, context );
 409     if (status) SetLastError( RtlNtStatusToDosError(status) );
 410     return !status;
 411 }
 412
 413
 414 /**********************************************************************
 415  * SuspendThread [KERNEL32.@]  Suspends a thread.
 416  *
 417  * RETURNS
 418  *    Success: Previous suspend count
 419  *    Failure: 0xFFFFFFFF
 420  */
 421 DWORD WINAPI SuspendThread( HANDLE hthread ) /* [in] Handle to the thread */
 422 {
 423     DWORD ret;
 424     NTSTATUS status = NtSuspendThread( hthread, &ret );
 425
 426     if (status)
 427     {
 428         ret = ~0U;
 429         SetLastError( RtlNtStatusToDosError(status) );
 430     }
 431     return ret;
 432 }
 433
 434
 435 /**********************************************************************
 436  * ResumeThread [KERNEL32.@]  Resumes a thread.
 437  *
 438  * Decrements a thread's suspend count.  When count is zero, the
 439  * execution of the thread is resumed.
 440  *
 441  * RETURNS
 442  *    Success: Previous suspend count
 443  *    Failure: 0xFFFFFFFF
 444  *    Already running: 0
 445  */
 446 DWORD WINAPI ResumeThread( HANDLE hthread ) /* [in] Identifies thread to restart */
 447 {
 448     DWORD ret;
 449     NTSTATUS status = NtResumeThread( hthread, &ret );
 450
 451     if (status)
 452     {
 453         ret = ~0U;
 454         SetLastError( RtlNtStatusToDosError(status) );
 455     }
 456     return ret;
 457 }
 458
 459
 460 /**********************************************************************
 461  * GetThreadPriority [KERNEL32.@]  Returns priority for thread.
 462  *
 463  * RETURNS
 464  *    Success: Thread's priority level.
 465  *    Failure: THREAD_PRIORITY_ERROR_RETURN
 466  */
 467 INT WINAPI GetThreadPriority(
 468     HANDLE hthread) /* [in] Handle to thread */
 469 {
 470     THREAD_BASIC_INFORMATION info;
 471     NTSTATUS status = NtQueryInformationThread( hthread, ThreadBasicInformation,
 472                                                 &info, sizeof(info), NULL );
 473
 474     if (status)
 475     {
 476         SetLastError( RtlNtStatusToDosError(status) );
 477         return THREAD_PRIORITY_ERROR_RETURN;
 478     }
 479     return info.Priority;
 480 }
 481
 482
 483 /**********************************************************************
 484  * SetThreadPriority [KERNEL32.@]  Sets priority for thread.
 485  *
 486  * RETURNS
 487  *    Success: TRUE
 488  *    Failure: FALSE
 489  */
 490 BOOL WINAPI SetThreadPriority(
 491     HANDLE hthread, /* [in] Handle to thread */
 492     INT priority)   /* [in] Thread priority level */
 493 {
 494     BOOL ret;
 495     SERVER_START_REQ( set_thread_info )
 496     {
 497         req->handle   = hthread;
 498         req->priority = priority;
 499         req->mask     = SET_THREAD_INFO_PRIORITY;
 500         ret = !wine_server_call_err( req );
 501     }
 502     SERVER_END_REQ;
 503     return ret;
 504 }
 505
 506
 507 /**********************************************************************
 508  * GetThreadPriorityBoost [KERNEL32.@]  Returns priority boost for thread.
 509  *
 510  * Always reports that priority boost is disabled.
 511  *
 512  * RETURNS
 513  *    Success: TRUE.
 514  *    Failure: FALSE
 515  */
 516 BOOL WINAPI GetThreadPriorityBoost(
 517     HANDLE hthread, /* [in] Handle to thread */
 518     PBOOL pstate)   /* [out] pointer to var that receives the boost state */
 519 {
 520     if (pstate) *pstate = FALSE;
 521     return NO_ERROR;
 522 }
 523
 524
 525 /**********************************************************************
 526  * SetThreadPriorityBoost [KERNEL32.@]  Sets priority boost for thread.
 527  *
 528  * Priority boost is not implemented. Thsi function always returns
 529  * FALSE and sets last error to ERROR_CALL_NOT_IMPLEMENTED
 530  *
 531  * RETURNS
 532  *    Always returns FALSE to indicate a failure
 533  */
 534 BOOL WINAPI SetThreadPriorityBoost(
 535     HANDLE hthread, /* [in] Handle to thread */
 536     BOOL disable)   /* [in] TRUE to disable priority boost */
 537 {
 538     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
 539     return FALSE;
 540 }
 541
 542
 543 /**********************************************************************
 544  *           SetThreadAffinityMask   (KERNEL32.@)
 545  */
 546 DWORD WINAPI SetThreadAffinityMask( HANDLE hThread, DWORD dwThreadAffinityMask )
 547 {
 548     DWORD ret;
 549     SERVER_START_REQ( set_thread_info )
 550     {
 551         req->handle   = hThread;
 552         req->affinity = dwThreadAffinityMask;
 553         req->mask     = SET_THREAD_INFO_AFFINITY;
 554         ret = !wine_server_call_err( req );
 555         /* FIXME: should return previous value */
 556     }
 557     SERVER_END_REQ;
 558     return ret;
 559 }
 560
 561
 562 /**********************************************************************
 563  * SetThreadIdealProcessor [KERNEL32.@]  Obtains timing information.
 564  *
 565  * RETURNS
 566  *    Success: Value of last call to SetThreadIdealProcessor
 567  *    Failure: -1
 568  */
 569 DWORD WINAPI SetThreadIdealProcessor(
 570     HANDLE hThread,          /* [in] Specifies the thread of interest */
 571     DWORD dwIdealProcessor)  /* [in] Specifies the new preferred processor */
 572 {
 573     FIXME("(%p): stub\n",hThread);
 574     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
 575     return -1L;
 576 }
 577
 578
 579 /* callback for QueueUserAPC */
 580 static void CALLBACK call_user_apc( ULONG_PTR arg1, ULONG_PTR arg2, ULONG_PTR arg3 )
 581 {
 582     PAPCFUNC func = (PAPCFUNC)arg1;
 583     func( arg2 );
 584 }
 585
 586 /***********************************************************************
 587  *              QueueUserAPC  (KERNEL32.@)
 588  */
 589 DWORD WINAPI QueueUserAPC( PAPCFUNC func, HANDLE hthread, ULONG_PTR data )
 590 {
 591     NTSTATUS status = NtQueueApcThread( hthread, call_user_apc, (ULONG_PTR)func, data, 0 );
 592
 593     if (status) SetLastError( RtlNtStatusToDosError(status) );
 594     return !status;
 595 }
 596
 597
 598 /**********************************************************************
 599  * GetThreadTimes [KERNEL32.@]  Obtains timing information.
 600  *
 601  * RETURNS
 602  *    Success: TRUE
 603  *    Failure: FALSE
 604  */
 605 BOOL WINAPI GetThreadTimes(
 606     HANDLE thread,         /* [in]  Specifies the thread of interest */
 607     LPFILETIME creationtime, /* [out] When the thread was created */
 608     LPFILETIME exittime,     /* [out] When the thread was destroyed */
 609     LPFILETIME kerneltime,   /* [out] Time thread spent in kernel mode */
 610     LPFILETIME usertime)     /* [out] Time thread spent in user mode */
 611 {
 612     BOOL ret = TRUE;
 613
 614     if (creationtime || exittime)
 615     {
 616         /* We need to do a server call to get the creation time or exit time */
 617         /* This works on any thread */
 618
 619         SERVER_START_REQ( get_thread_info )
 620         {
 621             req->handle = thread;
 622             req->tid_in = 0;
 623             if ((ret = !wine_server_call_err( req )))
 624             {
 625                 if (creationtime)
 626                     RtlSecondsSince1970ToTime( reply->creation_time, (LARGE_INTEGER*)creationtime );
 627                 if (exittime)
 628                     RtlSecondsSince1970ToTime( reply->exit_time, (LARGE_INTEGER*)exittime );
 629             }
 630         }
 631         SERVER_END_REQ;
 632     }
 633     if (ret && (kerneltime || usertime))
 634     {
 635         /* We call times(2) for kernel time or user time */
 636         /* We can only (portably) do this for the current thread */
 637         if (thread == GetCurrentThread())
 638         {
 639             ULONGLONG time;
 640             struct tms time_buf;
 641             long clocks_per_sec = sysconf(_SC_CLK_TCK);
 642
 643             times(&time_buf);
 644             if (kerneltime)
 645             {
 646                 time = (ULONGLONG)time_buf.tms_stime * 10000000 / clocks_per_sec;
 647                 kerneltime->dwHighDateTime = time >> 32;
 648                 kerneltime->dwLowDateTime = (DWORD)time;
 649             }
 650             if (usertime)
 651             {
 652                 time = (ULONGLONG)time_buf.tms_utime * 10000000 / clocks_per_sec;
 653                 usertime->dwHighDateTime = time >> 32;
 654                 usertime->dwLowDateTime = (DWORD)time;
 655             }
 656         }
 657         else
 658         {
 659             if (kerneltime) kerneltime->dwHighDateTime = kerneltime->dwLowDateTime = 0;
 660             if (usertime) usertime->dwHighDateTime = usertime->dwLowDateTime = 0;
 661             FIXME("Cannot get kerneltime or usertime of other threads\n");
 662         }
 663     }
 664     return ret;
 665 }
 666
 667
 668 /**********************************************************************
 669  * VWin32_BoostThreadGroup [KERNEL.535]
 670  */
 671 VOID WINAPI VWin32_BoostThreadGroup( DWORD threadId, INT boost )
 672 {
 673     FIXME("(0x%08lx,%d): stub\n", threadId, boost);
 674 }
 675
 676
 677 /**********************************************************************
 678  * VWin32_BoostThreadStatic [KERNEL.536]
 679  */
 680 VOID WINAPI VWin32_BoostThreadStatic( DWORD threadId, INT boost )
 681 {
 682     FIXME("(0x%08lx,%d): stub\n", threadId, boost);
 683 }
 684
 685
 686 /***********************************************************************
 687  * GetCurrentThread [KERNEL32.@]  Gets pseudohandle for current thread
 688  *
 689  * RETURNS
 690  *    Pseudohandle for the current thread
 691  */
 692 #undef GetCurrentThread
 693 HANDLE WINAPI GetCurrentThread(void)
 694 {
 695     return (HANDLE)0xfffffffe;
 696 }