dlls/kernel32/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., 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 <fcntl.h>
  26 #include <stdarg.h>
  27 #include <sys/types.h>
  28 #ifdef HAVE_UNISTD_H
  29 # include <unistd.h>
  30 #endif
  31
  32 #include "ntstatus.h"
  33 #define WIN32_NO_STATUS
  34 #include "windef.h"
  35 #include "winbase.h"
  36 #include "winerror.h"
  37 #include "winternl.h"
  38 #include "wine/exception.h"
  39 #include "wine/library.h"
  40 #include "wine/server.h"
  41 #include "wine/debug.h"
  42
  43 #include "kernel_private.h"
  44
  45 WINE_DEFAULT_DEBUG_CHANNEL(thread);
  46
  47
  48 /***********************************************************************
  49  *           CreateThread   (KERNEL32.@)
  50  */
  51 HANDLE WINAPI DECLSPEC_HOTPATCH CreateThread( SECURITY_ATTRIBUTES *sa, SIZE_T stack, LPTHREAD_START_ROUTINE start,
  52                                               LPVOID param, DWORD flags, LPDWORD id )
  53 {
  54      return CreateRemoteThread( GetCurrentProcess(),
  55                                 sa, stack, start, param, flags, id );
  56 }
  57
  58 /***************************************************************************
  59  *                  CreateRemoteThread   (KERNEL32.@)
  60  */
  61 HANDLE WINAPI CreateRemoteThread( HANDLE hProcess, SECURITY_ATTRIBUTES *sa, SIZE_T stack,
  62                                   LPTHREAD_START_ROUTINE start, LPVOID param,
  63                                   DWORD flags, DWORD *id )
  64 {
  65     return CreateRemoteThreadEx( hProcess, sa, stack, start, param, flags, NULL, id );
  66 }
  67
  68 /***************************************************************************
  69  *                  CreateRemoteThreadEx   (KERNEL32.@)
  70  *
  71  * Creates a thread that runs in the address space of another process
  72  *
  73  * PARAMS
  74  *
  75  * RETURNS
  76  *   Success: Handle to the new thread.
  77  *   Failure: NULL. Use GetLastError() to find the error cause.
  78  *
  79  * BUGS
  80  *   Improper memory allocation: there's no ability to free new_thread_info
  81  *   in other process.
  82  *   Bad start address for RtlCreateUserThread because the library
  83  *   may be loaded at different address in other process.
  84  */
  85 HANDLE WINAPI CreateRemoteThreadEx( HANDLE hProcess, SECURITY_ATTRIBUTES *sa, SIZE_T stack,
  86                                     LPTHREAD_START_ROUTINE start, LPVOID param, DWORD flags,
  87                                     LPPROC_THREAD_ATTRIBUTE_LIST attributes, DWORD *id )
  88 {
  89     HANDLE handle;
  90     CLIENT_ID client_id;
  91     NTSTATUS status;
  92     SIZE_T stack_reserve = 0, stack_commit = 0;
  93
  94     if (attributes)
  95         FIXME("thread attributes ignored\n");
  96
  97     if (flags & STACK_SIZE_PARAM_IS_A_RESERVATION) stack_reserve = stack;
  98     else stack_commit = stack;
  99
 100     status = RtlCreateUserThread( hProcess, sa ? sa->lpSecurityDescriptor : NULL, TRUE,
 101                                   NULL, stack_reserve, stack_commit,
 102                                   (PRTL_THREAD_START_ROUTINE)start, param, &handle, &client_id );
 103     if (status == STATUS_SUCCESS)
 104     {
 105         if (id) *id = HandleToULong(client_id.UniqueThread);
 106         if (sa && (sa->nLength >= sizeof(*sa)) && sa->bInheritHandle)
 107             SetHandleInformation( handle, HANDLE_FLAG_INHERIT, HANDLE_FLAG_INHERIT );
 108         if (!(flags & CREATE_SUSPENDED))
 109         {
 110             ULONG ret;
 111             if (NtResumeThread( handle, &ret ))
 112             {
 113                 NtClose( handle );
 114                 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
 115                 handle = 0;
 116             }
 117         }
 118     }
 119     else
 120     {
 121         SetLastError( RtlNtStatusToDosError(status) );
 122         handle = 0;
 123     }
 124     return handle;
 125 }
 126
 127
 128 /***********************************************************************
 129  * OpenThread  [KERNEL32.@]   Retrieves a handle to a thread from its thread id
 130  */
 131 HANDLE WINAPI OpenThread( DWORD dwDesiredAccess, BOOL bInheritHandle, DWORD dwThreadId )
 132 {
 133     NTSTATUS status;
 134     HANDLE handle;
 135     OBJECT_ATTRIBUTES attr;
 136     CLIENT_ID cid;
 137
 138     attr.Length = sizeof(attr);
 139     attr.RootDirectory = 0;
 140     attr.Attributes = bInheritHandle ? OBJ_INHERIT : 0;
 141     attr.ObjectName = NULL;
 142     attr.SecurityDescriptor = NULL;
 143     attr.SecurityQualityOfService = NULL;
 144
 145     cid.UniqueProcess = 0; /* FIXME */
 146     cid.UniqueThread = ULongToHandle(dwThreadId);
 147     status = NtOpenThread( &handle, dwDesiredAccess, &attr, &cid );
 148     if (status)
 149     {
 150         SetLastError( RtlNtStatusToDosError(status) );
 151         handle = 0;
 152     }
 153     return handle;
 154 }
 155
 156
 157 /***********************************************************************
 158  * ExitThread [KERNEL32.@]  Ends a thread
 159  *
 160  * RETURNS
 161  *    None
 162  */
 163 void WINAPI ExitThread( DWORD code ) /* [in] Exit code for this thread */
 164 {
 165     RtlExitUserThread( code );
 166 }
 167
 168
 169 /**********************************************************************
 170  * TerminateThread [KERNEL32.@]  Terminates a thread
 171  *
 172  * RETURNS
 173  *    Success: TRUE
 174  *    Failure: FALSE
 175  */
 176 BOOL WINAPI TerminateThread( HANDLE handle,    /* [in] Handle to thread */
 177                              DWORD exit_code)  /* [in] Exit code for thread */
 178 {
 179     NTSTATUS status = NtTerminateThread( handle, exit_code );
 180     if (status) SetLastError( RtlNtStatusToDosError(status) );
 181     return !status;
 182 }
 183
 184
 185 /***********************************************************************
 186  *           FreeLibraryAndExitThread (KERNEL32.@)
 187  */
 188 void WINAPI FreeLibraryAndExitThread(HINSTANCE hLibModule, DWORD dwExitCode)
 189 {
 190     FreeLibrary(hLibModule);
 191     ExitThread(dwExitCode);
 192 }
 193
 194
 195 /**********************************************************************
 196  *              GetExitCodeThread (KERNEL32.@)
 197  *
 198  * Gets termination status of thread.
 199  *
 200  * RETURNS
 201  *    Success: TRUE
 202  *    Failure: FALSE
 203  */
 204 BOOL WINAPI GetExitCodeThread(
 205     HANDLE hthread, /* [in]  Handle to thread */
 206     LPDWORD exitcode) /* [out] Address to receive termination status */
 207 {
 208     THREAD_BASIC_INFORMATION info;
 209     NTSTATUS status = NtQueryInformationThread( hthread, ThreadBasicInformation,
 210                                                 &info, sizeof(info), NULL );
 211
 212     if (status)
 213     {
 214         SetLastError( RtlNtStatusToDosError(status) );
 215         return FALSE;
 216     }
 217     if (exitcode) *exitcode = info.ExitStatus;
 218     return TRUE;
 219 }
 220
 221
 222 /***********************************************************************
 223  * SetThreadContext [KERNEL32.@]  Sets context of thread.
 224  *
 225  * RETURNS
 226  *    Success: TRUE
 227  *    Failure: FALSE
 228  */
 229 BOOL WINAPI SetThreadContext( HANDLE handle,           /* [in]  Handle to thread with context */
 230                               const CONTEXT *context ) /* [in] Address of context structure */
 231 {
 232     NTSTATUS status = NtSetContextThread( handle, context );
 233     if (status) SetLastError( RtlNtStatusToDosError(status) );
 234     return !status;
 235 }
 236
 237
 238 /***********************************************************************
 239  * Wow64SetThreadContext [KERNEL32.@]
 240  */
 241 BOOL WINAPI Wow64SetThreadContext( HANDLE handle, const WOW64_CONTEXT *context)
 242 {
 243 #ifdef __i386__
 244     NTSTATUS status = NtSetContextThread( handle, (const CONTEXT *)context );
 245 #elif defined(__x86_64__)
 246     NTSTATUS status = RtlWow64SetThreadContext( handle, context );
 247 #else
 248     NTSTATUS status = STATUS_NOT_IMPLEMENTED;
 249     FIXME("not implemented on this platform\n");
 250 #endif
 251     if (status) SetLastError( RtlNtStatusToDosError(status) );
 252     return !status;
 253 }
 254
 255 /***********************************************************************
 256  * GetThreadContext [KERNEL32.@]  Retrieves context of thread.
 257  *
 258  * RETURNS
 259  *    Success: TRUE
 260  *    Failure: FALSE
 261  */
 262 BOOL WINAPI GetThreadContext( HANDLE handle,     /* [in]  Handle to thread with context */
 263                               CONTEXT *context ) /* [out] Address of context structure */
 264 {
 265     NTSTATUS status = NtGetContextThread( handle, context );
 266     if (status) SetLastError( RtlNtStatusToDosError(status) );
 267     return !status;
 268 }
 269
 270
 271 /***********************************************************************
 272  * Wow64GetThreadContext [KERNEL32.@]
 273  */
 274 BOOL WINAPI Wow64GetThreadContext( HANDLE handle, WOW64_CONTEXT *context)
 275 {
 276 #ifdef __i386__
 277     NTSTATUS status = NtGetContextThread( handle, (CONTEXT *)context );
 278 #elif defined(__x86_64__)
 279     NTSTATUS status = RtlWow64GetThreadContext( handle, context );
 280 #else
 281     NTSTATUS status = STATUS_NOT_IMPLEMENTED;
 282     FIXME("not implemented on this platform\n");
 283 #endif
 284     if (status) SetLastError( RtlNtStatusToDosError(status) );
 285     return !status;
 286 }
 287
 288
 289 /**********************************************************************
 290  * SuspendThread [KERNEL32.@]  Suspends a thread.
 291  *
 292  * RETURNS
 293  *    Success: Previous suspend count
 294  *    Failure: 0xFFFFFFFF
 295  */
 296 DWORD WINAPI SuspendThread( HANDLE hthread ) /* [in] Handle to the thread */
 297 {
 298     DWORD ret;
 299     NTSTATUS status = NtSuspendThread( hthread, &ret );
 300
 301     if (status)
 302     {
 303         ret = ~0U;
 304         SetLastError( RtlNtStatusToDosError(status) );
 305     }
 306     return ret;
 307 }
 308
 309
 310 /**********************************************************************
 311  * ResumeThread [KERNEL32.@]  Resumes a thread.
 312  *
 313  * Decrements a thread's suspend count.  When count is zero, the
 314  * execution of the thread is resumed.
 315  *
 316  * RETURNS
 317  *    Success: Previous suspend count
 318  *    Failure: 0xFFFFFFFF
 319  *    Already running: 0
 320  */
 321 DWORD WINAPI ResumeThread( HANDLE hthread ) /* [in] Identifies thread to restart */
 322 {
 323     DWORD ret;
 324     NTSTATUS status = NtResumeThread( hthread, &ret );
 325
 326     if (status)
 327     {
 328         ret = ~0U;
 329         SetLastError( RtlNtStatusToDosError(status) );
 330     }
 331     return ret;
 332 }
 333
 334
 335 /**********************************************************************
 336  * GetThreadPriority [KERNEL32.@]  Returns priority for thread.
 337  *
 338  * RETURNS
 339  *    Success: Thread's priority level.
 340  *    Failure: THREAD_PRIORITY_ERROR_RETURN
 341  */
 342 INT WINAPI GetThreadPriority(
 343     HANDLE hthread) /* [in] Handle to thread */
 344 {
 345     THREAD_BASIC_INFORMATION info;
 346     NTSTATUS status = NtQueryInformationThread( hthread, ThreadBasicInformation,
 347                                                 &info, sizeof(info), NULL );
 348
 349     if (status)
 350     {
 351         SetLastError( RtlNtStatusToDosError(status) );
 352         return THREAD_PRIORITY_ERROR_RETURN;
 353     }
 354     return info.Priority;
 355 }
 356
 357
 358 /**********************************************************************
 359  * SetThreadPriority [KERNEL32.@]  Sets priority for thread.
 360  *
 361  * RETURNS
 362  *    Success: TRUE
 363  *    Failure: FALSE
 364  */
 365 BOOL WINAPI SetThreadPriority(
 366     HANDLE hthread, /* [in] Handle to thread */
 367     INT priority)   /* [in] Thread priority level */
 368 {
 369     DWORD       prio = priority;
 370     NTSTATUS    status;
 371
 372     status = NtSetInformationThread(hthread, ThreadBasePriority,
 373                                     &prio, sizeof(prio));
 374
 375     if (status)
 376     {
 377         SetLastError( RtlNtStatusToDosError(status) );
 378         return FALSE;
 379     }
 380
 381     return TRUE;
 382 }
 383
 384
 385 /**********************************************************************
 386  * GetThreadPriorityBoost [KERNEL32.@]  Returns priority boost for thread.
 387  *
 388  * Always reports that priority boost is disabled.
 389  *
 390  * RETURNS
 391  *    Success: TRUE.
 392  *    Failure: FALSE
 393  */
 394 BOOL WINAPI GetThreadPriorityBoost(
 395     HANDLE hthread, /* [in] Handle to thread */
 396     PBOOL pstate)   /* [out] pointer to var that receives the boost state */
 397 {
 398     if (pstate) *pstate = FALSE;
 399     return TRUE;
 400 }
 401
 402
 403 /**********************************************************************
 404  * SetThreadPriorityBoost [KERNEL32.@]  Sets priority boost for thread.
 405  *
 406  * Priority boost is not implemented, but we return TRUE
 407  * anyway because some games crash otherwise.
 408  */
 409 BOOL WINAPI SetThreadPriorityBoost(
 410     HANDLE hthread, /* [in] Handle to thread */
 411     BOOL disable)   /* [in] TRUE to disable priority boost */
 412 {
 413     return TRUE;
 414 }
 415
 416
 417 /**********************************************************************
 418  *           SetThreadStackGuarantee   (KERNEL32.@)
 419  */
 420 BOOL WINAPI SetThreadStackGuarantee(PULONG stacksize)
 421 {
 422     static int once;
 423     if (once++ == 0)
 424         FIXME("(%p): stub\n", stacksize);
 425     return TRUE;
 426 }
 427
 428 /***********************************************************************
 429  *              GetThreadGroupAffinity (KERNEL32.@)
 430  */
 431 BOOL WINAPI GetThreadGroupAffinity( HANDLE thread, GROUP_AFFINITY *affinity )
 432 {
 433     NTSTATUS status;
 434
 435     if (!affinity)
 436     {
 437         SetLastError( ERROR_INVALID_PARAMETER );
 438         return FALSE;
 439     }
 440
 441     status = NtQueryInformationThread( thread, ThreadGroupInformation,
 442                                        affinity, sizeof(*affinity), NULL );
 443     if (status)
 444     {
 445         SetLastError( RtlNtStatusToDosError(status) );
 446         return FALSE;
 447     }
 448
 449     return TRUE;
 450 }
 451
 452 /***********************************************************************
 453  *              SetThreadGroupAffinity (KERNEL32.@)
 454  */
 455 BOOL WINAPI SetThreadGroupAffinity( HANDLE thread, const GROUP_AFFINITY *affinity_new,
 456                                     GROUP_AFFINITY *affinity_old )
 457 {
 458     NTSTATUS status;
 459
 460     if (affinity_old && !GetThreadGroupAffinity( thread, affinity_old ))
 461         return FALSE;
 462
 463     status = NtSetInformationThread( thread, ThreadGroupInformation,
 464                                      affinity_new, sizeof(*affinity_new) );
 465     if (status)
 466     {
 467         SetLastError( RtlNtStatusToDosError(status) );
 468         return FALSE;
 469     }
 470
 471     return TRUE;
 472 }
 473
 474 /**********************************************************************
 475  *           SetThreadAffinityMask   (KERNEL32.@)
 476  */
 477 DWORD_PTR WINAPI SetThreadAffinityMask( HANDLE hThread, DWORD_PTR dwThreadAffinityMask )
 478 {
 479     NTSTATUS                    status;
 480     THREAD_BASIC_INFORMATION    tbi;
 481
 482     status = NtQueryInformationThread( hThread, ThreadBasicInformation,
 483                                        &tbi, sizeof(tbi), NULL );
 484     if (status)
 485     {
 486         SetLastError( RtlNtStatusToDosError(status) );
 487         return 0;
 488     }
 489     status = NtSetInformationThread( hThread, ThreadAffinityMask,
 490                                      &dwThreadAffinityMask,
 491                                      sizeof(dwThreadAffinityMask));
 492     if (status)
 493     {
 494         SetLastError( RtlNtStatusToDosError(status) );
 495         return 0;
 496     }
 497     return tbi.AffinityMask;
 498 }
 499
 500
 501 /**********************************************************************
 502  * SetThreadIdealProcessor [KERNEL32.@]  Sets preferred processor for thread.
 503  *
 504  * RETURNS
 505  *    Success: Value of last call to SetThreadIdealProcessor
 506  *    Failure: -1
 507  */
 508 DWORD WINAPI SetThreadIdealProcessor(
 509     HANDLE hThread,          /* [in] Specifies the thread of interest */
 510     DWORD dwIdealProcessor)  /* [in] Specifies the new preferred processor */
 511 {
 512     FIXME("(%p): stub\n",hThread);
 513     if (dwIdealProcessor > MAXIMUM_PROCESSORS)
 514     {
 515         SetLastError(ERROR_INVALID_PARAMETER);
 516         return ~0u;
 517     }
 518     return 0;
 519 }
 520
 521 /***********************************************************************
 522  *              SetThreadIdealProcessorEx (KERNEL32.@)
 523  */
 524 BOOL WINAPI SetThreadIdealProcessorEx( HANDLE thread, PROCESSOR_NUMBER *ideal, PROCESSOR_NUMBER *previous )
 525 {
 526     FIXME("(%p %p %p): stub\n", thread, ideal, previous);
 527     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
 528     return FALSE;
 529 }
 530
 531 /***********************************************************************
 532  *           GetThreadSelectorEntry   (KERNEL32.@)
 533  */
 534 BOOL WINAPI GetThreadSelectorEntry( HANDLE hthread, DWORD sel, LPLDT_ENTRY ldtent )
 535 {
 536     THREAD_DESCRIPTOR_INFORMATION tdi;
 537     NTSTATUS status;
 538
 539     tdi.Selector = sel;
 540     status = NtQueryInformationThread( hthread, ThreadDescriptorTableEntry, &tdi, sizeof(tdi), NULL);
 541     if (status)
 542     {
 543         SetLastError( RtlNtStatusToDosError(status) );
 544         return FALSE;
 545     }
 546     *ldtent = tdi.Entry;
 547     return TRUE;
 548 }
 549
 550
 551 /* callback for QueueUserAPC */
 552 static void CALLBACK call_user_apc( ULONG_PTR arg1, ULONG_PTR arg2, ULONG_PTR arg3 )
 553 {
 554     PAPCFUNC func = (PAPCFUNC)arg1;
 555     func( arg2 );
 556 }
 557
 558 /***********************************************************************
 559  *              QueueUserAPC  (KERNEL32.@)
 560  */
 561 DWORD WINAPI QueueUserAPC( PAPCFUNC func, HANDLE hthread, ULONG_PTR data )
 562 {
 563     NTSTATUS status = NtQueueApcThread( hthread, call_user_apc, (ULONG_PTR)func, data, 0 );
 564
 565     if (status) SetLastError( RtlNtStatusToDosError(status) );
 566     return !status;
 567 }
 568
 569 /***********************************************************************
 570  *              QueueUserWorkItem  (KERNEL32.@)
 571  */
 572 BOOL WINAPI QueueUserWorkItem( LPTHREAD_START_ROUTINE Function, PVOID Context, ULONG Flags )
 573 {
 574     NTSTATUS status;
 575
 576     TRACE("(%p,%p,0x%08x)\n", Function, Context, Flags);
 577
 578     status = RtlQueueWorkItem( Function, Context, Flags );
 579
 580     if (status) SetLastError( RtlNtStatusToDosError(status) );
 581     return !status;
 582 }
 583
 584 /**********************************************************************
 585  * GetThreadTimes [KERNEL32.@]  Obtains timing information.
 586  *
 587  * RETURNS
 588  *    Success: TRUE
 589  *    Failure: FALSE
 590  */
 591 BOOL WINAPI GetThreadTimes(
 592     HANDLE thread,         /* [in]  Specifies the thread of interest */
 593     LPFILETIME creationtime, /* [out] When the thread was created */
 594     LPFILETIME exittime,     /* [out] When the thread was destroyed */
 595     LPFILETIME kerneltime,   /* [out] Time thread spent in kernel mode */
 596     LPFILETIME usertime)     /* [out] Time thread spent in user mode */
 597 {
 598     KERNEL_USER_TIMES   kusrt;
 599     NTSTATUS            status;
 600
 601     status = NtQueryInformationThread(thread, ThreadTimes, &kusrt,
 602                                       sizeof(kusrt), NULL);
 603     if (status)
 604     {
 605         SetLastError( RtlNtStatusToDosError(status) );
 606         return FALSE;
 607     }
 608     if (creationtime)
 609     {
 610         creationtime->dwLowDateTime = kusrt.CreateTime.u.LowPart;
 611         creationtime->dwHighDateTime = kusrt.CreateTime.u.HighPart;
 612     }
 613     if (exittime)
 614     {
 615         exittime->dwLowDateTime = kusrt.ExitTime.u.LowPart;
 616         exittime->dwHighDateTime = kusrt.ExitTime.u.HighPart;
 617     }
 618     if (kerneltime)
 619     {
 620         kerneltime->dwLowDateTime = kusrt.KernelTime.u.LowPart;
 621         kerneltime->dwHighDateTime = kusrt.KernelTime.u.HighPart;
 622     }
 623     if (usertime)
 624     {
 625         usertime->dwLowDateTime = kusrt.UserTime.u.LowPart;
 626         usertime->dwHighDateTime = kusrt.UserTime.u.HighPart;
 627     }
 628
 629     return TRUE;
 630 }
 631
 632 /**********************************************************************
 633  * GetThreadId [KERNEL32.@]
 634  *
 635  * Retrieve the identifier of a thread.
 636  *
 637  * PARAMS
 638  *  Thread [I] The thread to retrieve the identifier of.
 639  *
 640  * RETURNS
 641  *    Success: Identifier of the target thread.
 642  *    Failure: 0
 643  */
 644 DWORD WINAPI GetThreadId(HANDLE Thread)
 645 {
 646     THREAD_BASIC_INFORMATION tbi;
 647     NTSTATUS status;
 648
 649     TRACE("(%p)\n", Thread);
 650
 651     status = NtQueryInformationThread(Thread, ThreadBasicInformation, &tbi,
 652                                       sizeof(tbi), NULL);
 653     if (status)
 654     {
 655         SetLastError( RtlNtStatusToDosError(status) );
 656         return 0;
 657     }
 658
 659     return HandleToULong(tbi.ClientId.UniqueThread);
 660 }
 661
 662 /**********************************************************************
 663  * GetProcessIdOfThread [KERNEL32.@]
 664  *
 665  * Retrieve process identifier given thread belongs to.
 666  *
 667  * PARAMS
 668  *  Thread [I] The thread identifier.
 669  *
 670  * RETURNS
 671  *    Success: Process identifier
 672  *    Failure: 0
 673  */
 674 DWORD WINAPI GetProcessIdOfThread(HANDLE Thread)
 675 {
 676     THREAD_BASIC_INFORMATION tbi;
 677     NTSTATUS status;
 678
 679     TRACE("(%p)\n", Thread);
 680
 681     status = NtQueryInformationThread(Thread, ThreadBasicInformation, &tbi,
 682                                       sizeof(tbi), NULL);
 683     if (status)
 684     {
 685         SetLastError( RtlNtStatusToDosError(status) );
 686         return 0;
 687     }
 688
 689     return HandleToULong(tbi.ClientId.UniqueProcess);
 690 }
 691
 692 /***********************************************************************
 693  * GetCurrentThread [KERNEL32.@]  Gets pseudohandle for current thread
 694  *
 695  * RETURNS
 696  *    Pseudohandle for the current thread
 697  */
 698 #undef GetCurrentThread
 699 HANDLE WINAPI GetCurrentThread(void)
 700 {
 701     return (HANDLE)~(ULONG_PTR)1;
 702 }
 703
 704
 705 #ifdef __i386__
 706
 707 /***********************************************************************
 708  *              SetLastError (KERNEL32.@)
 709  */
 710 /* void WINAPI SetLastError( DWORD error ); */
 711 __ASM_STDCALL_FUNC( SetLastError, 4,
 712                    "movl 4(%esp),%eax\n\t"
 713                    ".byte 0x64\n\t"
 714                    "movl %eax,0x34\n\t"
 715                    "ret $4" )
 716
 717 /***********************************************************************
 718  *              GetLastError (KERNEL32.@)
 719  */
 720 /* DWORD WINAPI GetLastError(void); */
 721 __ASM_STDCALL_FUNC( GetLastError, 0, ".byte 0x64\n\tmovl 0x34,%eax\n\tret" )
 722
 723 /***********************************************************************
 724  *              GetCurrentProcessId (KERNEL32.@)
 725  */
 726 /* DWORD WINAPI GetCurrentProcessId(void) */
 727 __ASM_STDCALL_FUNC( GetCurrentProcessId, 0, ".byte 0x64\n\tmovl 0x20,%eax\n\tret" )
 728
 729 /***********************************************************************
 730  *              GetCurrentThreadId (KERNEL32.@)
 731  */
 732 /* DWORD WINAPI GetCurrentThreadId(void) */
 733 __ASM_STDCALL_FUNC( GetCurrentThreadId, 0, ".byte 0x64\n\tmovl 0x24,%eax\n\tret" )
 734
 735 /***********************************************************************
 736  *              GetProcessHeap (KERNEL32.@)
 737  */
 738 /* HANDLE WINAPI GetProcessHeap(void) */
 739 __ASM_STDCALL_FUNC( GetProcessHeap, 0, ".byte 0x64\n\tmovl 0x30,%eax\n\tmovl 0x18(%eax),%eax\n\tret");
 740
 741 #elif defined(__x86_64__)
 742
 743 #ifdef __APPLE__
 744
 745 /***********************************************************************
 746  *              SetLastError (KERNEL32.@)
 747  */
 748 /* void WINAPI SetLastError( DWORD error ); */
 749 __ASM_STDCALL_FUNC( SetLastError, 8, ".byte 0x65\n\tmovq 0x30,%rax\n\tmovl %ecx,0x68(%rax)\n\tret" );
 750
 751 /***********************************************************************
 752  *              GetLastError (KERNEL32.@)
 753  */
 754 /* DWORD WINAPI GetLastError(void); */
 755 __ASM_STDCALL_FUNC( GetLastError, 0, ".byte 0x65\n\tmovq 0x30,%rax\n\tmovl 0x68(%rax),%eax\n\tret" );
 756
 757 /***********************************************************************
 758  *              GetCurrentProcessId (KERNEL32.@)
 759  */
 760 /* DWORD WINAPI GetCurrentProcessId(void) */
 761 __ASM_STDCALL_FUNC( GetCurrentProcessId, 0, ".byte 0x65\n\tmovq 0x30,%rax\n\tmovl 0x40(%rax),%eax\n\tret" );
 762
 763 /***********************************************************************
 764  *              GetCurrentThreadId (KERNEL32.@)
 765  */
 766 /* DWORD WINAPI GetCurrentThreadId(void) */
 767 __ASM_STDCALL_FUNC( GetCurrentThreadId, 0, ".byte 0x65\n\tmovq 0x30,%rax\n\tmovl 0x48(%rax),%eax\n\tret" );
 768
 769 /***********************************************************************
 770  *              GetProcessHeap (KERNEL32.@)
 771  */
 772 /* HANDLE WINAPI GetProcessHeap(void) */
 773 __ASM_STDCALL_FUNC( GetProcessHeap, 0, ".byte 0x65\n\tmovq 0x30,%rax\n\tmovq 0x60(%rax),%rax\n\tmovq 0x30(%rax),%rax\n\tret");
 774
 775 #else
 776
 777 /***********************************************************************
 778  *              SetLastError (KERNEL32.@)
 779  */
 780 /* void WINAPI SetLastError( DWORD error ); */
 781 __ASM_STDCALL_FUNC( SetLastError, 8, ".byte 0x65\n\tmovl %ecx,0x68\n\tret" );
 782
 783 /***********************************************************************
 784  *              GetLastError (KERNEL32.@)
 785  */
 786 /* DWORD WINAPI GetLastError(void); */
 787 __ASM_STDCALL_FUNC( GetLastError, 0, ".byte 0x65\n\tmovl 0x68,%eax\n\tret" );
 788
 789 /***********************************************************************
 790  *              GetCurrentProcessId (KERNEL32.@)
 791  */
 792 /* DWORD WINAPI GetCurrentProcessId(void) */
 793 __ASM_STDCALL_FUNC( GetCurrentProcessId, 0, ".byte 0x65\n\tmovl 0x40,%eax\n\tret" );
 794
 795 /***********************************************************************
 796  *              GetCurrentThreadId (KERNEL32.@)
 797  */
 798 /* DWORD WINAPI GetCurrentThreadId(void) */
 799 __ASM_STDCALL_FUNC( GetCurrentThreadId, 0, ".byte 0x65\n\tmovl 0x48,%eax\n\tret" );
 800
 801 /***********************************************************************
 802  *              GetProcessHeap (KERNEL32.@)
 803  */
 804 /* HANDLE WINAPI GetProcessHeap(void) */
 805 __ASM_STDCALL_FUNC( GetProcessHeap, 0, ".byte 0x65\n\tmovq 0x60,%rax\n\tmovq 0x30(%rax),%rax\n\tret");
 806
 807 #endif /* __APPLE__ */
 808
 809 #else  /* __x86_64__ */
 810
 811 /**********************************************************************
 812  *              SetLastError (KERNEL32.@)
 813  *
 814  * Sets the last-error code.
 815  *
 816  * RETURNS
 817  * Nothing.
 818  */
 819 void WINAPI SetLastError( DWORD error ) /* [in] Per-thread error code */
 820 {
 821     NtCurrentTeb()->LastErrorValue = error;
 822 }
 823
 824 /**********************************************************************
 825  *              GetLastError (KERNEL32.@)
 826  *
 827  * Get the last-error code.
 828  *
 829  * RETURNS
 830  *  last-error code.
 831  */
 832 DWORD WINAPI GetLastError(void)
 833 {
 834     return NtCurrentTeb()->LastErrorValue;
 835 }
 836
 837 /***********************************************************************
 838  *              GetCurrentProcessId (KERNEL32.@)
 839  *
 840  * Get the current process identifier.
 841  *
 842  * RETURNS
 843  *  current process identifier
 844  */
 845 DWORD WINAPI GetCurrentProcessId(void)
 846 {
 847     return HandleToULong(NtCurrentTeb()->ClientId.UniqueProcess);
 848 }
 849
 850 /***********************************************************************
 851  *              GetCurrentThreadId (KERNEL32.@)
 852  *
 853  * Get the current thread identifier.
 854  *
 855  * RETURNS
 856  *  current thread identifier
 857  */
 858 DWORD WINAPI GetCurrentThreadId(void)
 859 {
 860     return HandleToULong(NtCurrentTeb()->ClientId.UniqueThread);
 861 }
 862
 863 /***********************************************************************
 864  *           GetProcessHeap    (KERNEL32.@)
 865  */
 866 HANDLE WINAPI GetProcessHeap(void)
 867 {
 868     return NtCurrentTeb()->Peb->ProcessHeap;
 869 }
 870
 871 #endif  /* __i386__ */
 872
 873 /*************************************************************************
 874  *              rtlmode_to_win32mode
 875  */
 876 static DWORD rtlmode_to_win32mode( DWORD rtlmode )
 877 {
 878     DWORD win32mode = 0;
 879
 880     if (rtlmode & 0x10)
 881         win32mode |= SEM_FAILCRITICALERRORS;
 882     if (rtlmode & 0x20)
 883         win32mode |= SEM_NOGPFAULTERRORBOX;
 884     if (rtlmode & 0x40)
 885         win32mode |= SEM_NOOPENFILEERRORBOX;
 886
 887     return win32mode;
 888 }
 889
 890 /***********************************************************************
 891  *              SetThreadErrorMode (KERNEL32.@)
 892  *
 893  * Set the thread local error mode.
 894  *
 895  * PARAMS
 896  *  mode    [I] The new error mode, a bitwise or of SEM_FAILCRITICALERRORS,
 897  *              SEM_NOGPFAULTERRORBOX and SEM_NOOPENFILEERRORBOX.
 898  *  oldmode [O] Destination of the old error mode (may be NULL)
 899  *
 900  * RETURNS
 901  *  Success: TRUE
 902  *  Failure: FALSE, check GetLastError
 903  */
 904 BOOL WINAPI SetThreadErrorMode( DWORD mode, LPDWORD oldmode )
 905 {
 906     NTSTATUS status;
 907     DWORD tmp = 0;
 908
 909     if (mode & ~(SEM_FAILCRITICALERRORS |
 910                  SEM_NOGPFAULTERRORBOX |
 911                  SEM_NOOPENFILEERRORBOX))
 912     {
 913         SetLastError( ERROR_INVALID_PARAMETER );
 914         return FALSE;
 915     }
 916
 917     if (mode & SEM_FAILCRITICALERRORS)
 918         tmp |= 0x10;
 919     if (mode & SEM_NOGPFAULTERRORBOX)
 920         tmp |= 0x20;
 921     if (mode & SEM_NOOPENFILEERRORBOX)
 922         tmp |= 0x40;
 923
 924     status = RtlSetThreadErrorMode( tmp, oldmode );
 925     if (status)
 926     {
 927         SetLastError( RtlNtStatusToDosError(status) );
 928         return FALSE;
 929     }
 930
 931     if (oldmode)
 932         *oldmode = rtlmode_to_win32mode(*oldmode);
 933
 934     return TRUE;
 935 }
 936
 937 /***********************************************************************
 938  *              GetThreadErrorMode (KERNEL32.@)
 939  *
 940  * Get the thread local error mode.
 941  *
 942  * PARAMS
 943  *  None.
 944  *
 945  * RETURNS
 946  *  The current thread local error mode.
 947  */
 948 DWORD WINAPI GetThreadErrorMode( void )
 949 {
 950     return rtlmode_to_win32mode( RtlGetThreadErrorMode() );
 951 }
 952
 953 /***********************************************************************
 954  *              GetThreadUILanguage (KERNEL32.@)
 955  *
 956  * Get the current thread's language identifier.
 957  *
 958  * PARAMS
 959  *  None.
 960  *
 961  * RETURNS
 962  *  The current thread's language identifier.
 963  */
 964 LANGID WINAPI GetThreadUILanguage( void )
 965 {
 966     LANGID lang;
 967     NtQueryDefaultUILanguage( &lang );
 968     FIXME(": stub, returning default language.\n");
 969     return lang;
 970 }
 971
 972 /***********************************************************************
 973  *              GetThreadIOPendingFlag (KERNEL32.@)
 974  */
 975 BOOL WINAPI GetThreadIOPendingFlag( HANDLE thread, PBOOL io_pending )
 976 {
 977     NTSTATUS status;
 978
 979     TRACE("%p, %p\n", thread, io_pending);
 980
 981     status = NtQueryInformationThread( thread, ThreadIsIoPending,
 982                                        io_pending, sizeof(*io_pending), NULL );
 983     if (status)
 984     {
 985         SetLastError( RtlNtStatusToDosError(status) );
 986         return FALSE;
 987     }
 988     return TRUE;
 989 }
 990
 991 /***********************************************************************
 992  *              CallbackMayRunLong (KERNEL32.@)
 993  */
 994 BOOL WINAPI CallbackMayRunLong( TP_CALLBACK_INSTANCE *instance )
 995 {
 996     NTSTATUS status;
 997
 998     TRACE( "%p\n", instance );
 999
1000     status = TpCallbackMayRunLong( instance );
1001     if (status)
1002     {
1003         SetLastError( RtlNtStatusToDosError(status) );
1004         return FALSE;
1005     }
1006
1007     return TRUE;
1008 }
1009
1010 /***********************************************************************
1011  *              CreateThreadpool (KERNEL32.@)
1012  */
1013 PTP_POOL WINAPI CreateThreadpool( PVOID reserved )
1014 {
1015     TP_POOL *pool;
1016     NTSTATUS status;
1017
1018     TRACE( "%p\n", reserved );
1019
1020     status = TpAllocPool( &pool, reserved );
1021     if (status)
1022     {
1023         SetLastError( RtlNtStatusToDosError(status) );
1024         return NULL;
1025     }
1026
1027     return pool;
1028 }
1029
1030 /***********************************************************************
1031  *              CreateThreadpoolCleanupGroup (KERNEL32.@)
1032  */
1033 PTP_CLEANUP_GROUP WINAPI CreateThreadpoolCleanupGroup( void )
1034 {
1035     TP_CLEANUP_GROUP *group;
1036     NTSTATUS status;
1037
1038     TRACE( "\n" );
1039
1040     status = TpAllocCleanupGroup( &group );
1041     if (status)
1042     {
1043         SetLastError( RtlNtStatusToDosError(status) );
1044         return NULL;
1045     }
1046
1047     return group;
1048 }
1049
1050 /***********************************************************************
1051  *              CreateThreadpoolIo (KERNEL32.@)
1052  */
1053 PTP_IO WINAPI CreateThreadpoolIo( HANDLE handle, PTP_WIN32_IO_CALLBACK callback,
1054                                   PVOID userdata, TP_CALLBACK_ENVIRON *environment )
1055 {
1056     FIXME("(%p, %p, %p, %p): stub\n", handle, callback, userdata, environment);
1057     return FALSE;
1058 }
1059
1060 /***********************************************************************
1061  *              CreateThreadpoolTimer (KERNEL32.@)
1062  */
1063 PTP_TIMER WINAPI CreateThreadpoolTimer( PTP_TIMER_CALLBACK callback, PVOID userdata,
1064                                         TP_CALLBACK_ENVIRON *environment )
1065 {
1066     TP_TIMER *timer;
1067     NTSTATUS status;
1068
1069     TRACE( "%p, %p, %p\n", callback, userdata, environment );
1070
1071     status = TpAllocTimer( &timer, callback, userdata, environment );
1072     if (status)
1073     {
1074         SetLastError( RtlNtStatusToDosError(status) );
1075         return NULL;
1076     }
1077
1078     return timer;
1079 }
1080
1081 /***********************************************************************
1082  *              CreateThreadpoolWait (KERNEL32.@)
1083  */
1084 PTP_WAIT WINAPI CreateThreadpoolWait( PTP_WAIT_CALLBACK callback, PVOID userdata,
1085                                       TP_CALLBACK_ENVIRON *environment )
1086 {
1087     TP_WAIT *wait;
1088     NTSTATUS status;
1089
1090     TRACE( "%p, %p, %p\n", callback, userdata, environment );
1091
1092     status = TpAllocWait( &wait, callback, userdata, environment );
1093     if (status)
1094     {
1095         SetLastError( RtlNtStatusToDosError(status) );
1096         return NULL;
1097     }
1098
1099     return wait;
1100 }
1101
1102 /***********************************************************************
1103  *              CreateThreadpoolWork (KERNEL32.@)
1104  */
1105 PTP_WORK WINAPI CreateThreadpoolWork( PTP_WORK_CALLBACK callback, PVOID userdata,
1106                                       TP_CALLBACK_ENVIRON *environment )
1107 {
1108     TP_WORK *work;
1109     NTSTATUS status;
1110
1111     TRACE( "%p, %p, %p\n", callback, userdata, environment );
1112
1113     status = TpAllocWork( &work, callback, userdata, environment );
1114     if (status)
1115     {
1116         SetLastError( RtlNtStatusToDosError(status) );
1117         return NULL;
1118     }
1119
1120     return work;
1121 }
1122
1123 /***********************************************************************
1124  *              SetThreadpoolTimer (KERNEL32.@)
1125  */
1126 VOID WINAPI SetThreadpoolTimer( TP_TIMER *timer, FILETIME *due_time,
1127                                 DWORD period, DWORD window_length )
1128 {
1129     LARGE_INTEGER timeout;
1130
1131     TRACE( "%p, %p, %u, %u\n", timer, due_time, period, window_length );
1132
1133     if (due_time)
1134     {
1135         timeout.u.LowPart = due_time->dwLowDateTime;
1136         timeout.u.HighPart = due_time->dwHighDateTime;
1137     }
1138
1139     TpSetTimer( timer, due_time ? &timeout : NULL, period, window_length );
1140 }
1141
1142 /***********************************************************************
1143  *              SetThreadpoolWait (KERNEL32.@)
1144  */
1145 VOID WINAPI SetThreadpoolWait( TP_WAIT *wait, HANDLE handle, FILETIME *due_time )
1146 {
1147     LARGE_INTEGER timeout;
1148
1149     TRACE( "%p, %p, %p\n", wait, handle, due_time );
1150
1151     if (!handle)
1152     {
1153         due_time = NULL;
1154     }
1155     else if (due_time)
1156     {
1157         timeout.u.LowPart = due_time->dwLowDateTime;
1158         timeout.u.HighPart = due_time->dwHighDateTime;
1159     }
1160
1161     TpSetWait( wait, handle, due_time ? &timeout : NULL );
1162 }
1163
1164 /***********************************************************************
1165  *              TrySubmitThreadpoolCallback (KERNEL32.@)
1166  */
1167 BOOL WINAPI TrySubmitThreadpoolCallback( PTP_SIMPLE_CALLBACK callback, PVOID userdata,
1168                                          TP_CALLBACK_ENVIRON *environment )
1169 {
1170     NTSTATUS status;
1171
1172     TRACE( "%p, %p, %p\n", callback, userdata, environment );
1173
1174     status = TpSimpleTryPost( callback, userdata, environment );
1175     if (status)
1176     {
1177         SetLastError( RtlNtStatusToDosError(status) );
1178         return FALSE;
1179     }
1180
1181     return TRUE;
1182 }