dlls/kernelbase/thread.c

   1 /*
   2  * Win32 threads
   3  *
   4  * Copyright 1996, 2002, 2019 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 <stdarg.h>
  22 #include <string.h>
  23 #include <limits.h>
  24
  25 #include "ntstatus.h"
  26 #define WIN32_NO_STATUS
  27 #define NONAMELESSUNION
  28 #include "windef.h"
  29 #include "winbase.h"
  30 #include "winnls.h"
  31 #include "winternl.h"
  32
  33 #include "kernelbase.h"
  34 #include "wine/exception.h"
  35 #include "wine/asm.h"
  36 #include "wine/debug.h"
  37 #include "wine/heap.h"
  38
  39 WINE_DEFAULT_DEBUG_CHANNEL(thread);
  40
  41
  42 /***********************************************************************
  43  * Threads
  44  ***********************************************************************/
  45
  46
  47 static DWORD rtlmode_to_win32mode( DWORD rtlmode )
  48 {
  49     DWORD win32mode = 0;
  50
  51     if (rtlmode & 0x10) win32mode |= SEM_FAILCRITICALERRORS;
  52     if (rtlmode & 0x20) win32mode |= SEM_NOGPFAULTERRORBOX;
  53     if (rtlmode & 0x40) win32mode |= SEM_NOOPENFILEERRORBOX;
  54     return win32mode;
  55 }
  56
  57
  58 /***************************************************************************
  59  *           CreateRemoteThread   (kernelbase.@)
  60  */
  61 HANDLE WINAPI DECLSPEC_HOTPATCH CreateRemoteThread( HANDLE process, SECURITY_ATTRIBUTES *sa, SIZE_T stack,
  62                                                     LPTHREAD_START_ROUTINE start, LPVOID param,
  63                                                     DWORD flags, DWORD *id )
  64 {
  65     return CreateRemoteThreadEx( process, sa, stack, start, param, flags, NULL, id );
  66 }
  67
  68
  69 /***************************************************************************
  70  *           CreateRemoteThreadEx   (kernelbase.@)
  71  */
  72 HANDLE WINAPI DECLSPEC_HOTPATCH CreateRemoteThreadEx( HANDLE process, SECURITY_ATTRIBUTES *sa,
  73                                                       SIZE_T stack, LPTHREAD_START_ROUTINE start,
  74                                                       LPVOID param, DWORD flags,
  75                                                       LPPROC_THREAD_ATTRIBUTE_LIST attributes, DWORD *id )
  76 {
  77     HANDLE handle;
  78     CLIENT_ID client_id;
  79     SIZE_T stack_reserve = 0, stack_commit = 0;
  80
  81     if (attributes) FIXME("thread attributes ignored\n");
  82
  83     if (flags & STACK_SIZE_PARAM_IS_A_RESERVATION) stack_reserve = stack;
  84     else stack_commit = stack;
  85
  86     if (!set_ntstatus( RtlCreateUserThread( process, sa ? sa->lpSecurityDescriptor : NULL, TRUE,
  87                                             0, stack_reserve, stack_commit,
  88                                             (PRTL_THREAD_START_ROUTINE)start, param, &handle, &client_id )))
  89         return 0;
  90
  91     if (id) *id = HandleToULong( client_id.UniqueThread );
  92     if (sa && sa->nLength >= sizeof(*sa) && sa->bInheritHandle)
  93         SetHandleInformation( handle, HANDLE_FLAG_INHERIT, HANDLE_FLAG_INHERIT );
  94     if (!(flags & CREATE_SUSPENDED))
  95     {
  96         ULONG ret;
  97         if (NtResumeThread( handle, &ret ))
  98         {
  99             NtClose( handle );
 100             SetLastError( ERROR_NOT_ENOUGH_MEMORY );
 101             handle = 0;
 102         }
 103     }
 104     return handle;
 105 }
 106
 107
 108 /***********************************************************************
 109  *           CreateThread   (kernelbase.@)
 110  */
 111 HANDLE WINAPI DECLSPEC_HOTPATCH CreateThread( SECURITY_ATTRIBUTES *sa, SIZE_T stack,
 112                                               LPTHREAD_START_ROUTINE start, LPVOID param,
 113                                               DWORD flags, LPDWORD id )
 114 {
 115      return CreateRemoteThread( GetCurrentProcess(), sa, stack, start, param, flags, id );
 116 }
 117
 118
 119 /***********************************************************************
 120  *           FreeLibraryAndExitThread   (kernelbase.@)
 121  */
 122 void WINAPI DECLSPEC_HOTPATCH FreeLibraryAndExitThread( HINSTANCE module, DWORD exit_code )
 123 {
 124     FreeLibrary( module );
 125     RtlExitUserThread( exit_code );
 126 }
 127
 128
 129 /***********************************************************************
 130  *           GetCurrentThreadStackLimits   (kernelbase.@)
 131  */
 132 void WINAPI DECLSPEC_HOTPATCH GetCurrentThreadStackLimits( ULONG_PTR *low, ULONG_PTR *high )
 133 {
 134     *low = (ULONG_PTR)NtCurrentTeb()->DeallocationStack;
 135     *high = (ULONG_PTR)NtCurrentTeb()->Tib.StackBase;
 136 }
 137
 138
 139 /***********************************************************************
 140  *           GetCurrentThread   (kernelbase.@)
 141  */
 142 HANDLE WINAPI kernelbase_GetCurrentThread(void)
 143 {
 144     return (HANDLE)~(ULONG_PTR)1;
 145 }
 146
 147
 148 /***********************************************************************
 149  *           GetCurrentThreadId   (kernelbase.@)
 150  */
 151 DWORD WINAPI kernelbase_GetCurrentThreadId(void)
 152 {
 153     return HandleToULong( NtCurrentTeb()->ClientId.UniqueThread );
 154 }
 155
 156
 157 /**********************************************************************
 158  *           GetExitCodeThread   (kernelbase.@)
 159  */
 160 BOOL WINAPI DECLSPEC_HOTPATCH GetExitCodeThread( HANDLE thread, LPDWORD exit_code )
 161 {
 162     THREAD_BASIC_INFORMATION info;
 163     NTSTATUS status = NtQueryInformationThread( thread, ThreadBasicInformation,
 164                                                 &info, sizeof(info), NULL );
 165     if (!status && exit_code) *exit_code = info.ExitStatus;
 166     return set_ntstatus( status );
 167 }
 168
 169
 170 /**********************************************************************
 171  *           GetLastError   (kernelbase.@)
 172  */
 173 DWORD WINAPI kernelbase_GetLastError(void)
 174 {
 175     return NtCurrentTeb()->LastErrorValue;
 176 }
 177
 178
 179 /**********************************************************************
 180  *           GetProcessIdOfThread   (kernelbase.@)
 181  */
 182 DWORD WINAPI DECLSPEC_HOTPATCH GetProcessIdOfThread( HANDLE thread )
 183 {
 184     THREAD_BASIC_INFORMATION tbi;
 185
 186     if (!set_ntstatus( NtQueryInformationThread( thread, ThreadBasicInformation, &tbi, sizeof(tbi), NULL)))
 187         return 0;
 188     return HandleToULong( tbi.ClientId.UniqueProcess );
 189 }
 190
 191
 192 /***********************************************************************
 193  *           GetThreadContext   (kernelbase.@)
 194  */
 195 BOOL WINAPI DECLSPEC_HOTPATCH GetThreadContext( HANDLE thread, CONTEXT *context )
 196 {
 197     return set_ntstatus( NtGetContextThread( thread, context ));
 198 }
 199
 200
 201 /***********************************************************************
 202  *           GetThreadErrorMode   (kernelbase.@)
 203  */
 204 DWORD WINAPI DECLSPEC_HOTPATCH GetThreadErrorMode(void)
 205 {
 206     return rtlmode_to_win32mode( RtlGetThreadErrorMode() );
 207 }
 208
 209
 210 /***********************************************************************
 211  *           GetThreadGroupAffinity   (kernelbase.@)
 212  */
 213 BOOL WINAPI DECLSPEC_HOTPATCH GetThreadGroupAffinity( HANDLE thread, GROUP_AFFINITY *affinity )
 214 {
 215     if (!affinity)
 216     {
 217         SetLastError( ERROR_INVALID_PARAMETER );
 218         return FALSE;
 219     }
 220     return set_ntstatus( NtQueryInformationThread( thread, ThreadGroupInformation,
 221                                                    affinity, sizeof(*affinity), NULL ));
 222 }
 223
 224
 225 /***********************************************************************
 226  *           GetThreadIOPendingFlag   (kernelbase.@)
 227  */
 228 BOOL WINAPI DECLSPEC_HOTPATCH GetThreadIOPendingFlag( HANDLE thread, PBOOL pending )
 229 {
 230     return set_ntstatus( NtQueryInformationThread( thread, ThreadIsIoPending,
 231                                                    pending, sizeof(*pending), NULL ));
 232 }
 233
 234
 235 /**********************************************************************
 236  *           GetThreadId   (kernelbase.@)
 237  */
 238 DWORD WINAPI DECLSPEC_HOTPATCH GetThreadId( HANDLE thread )
 239 {
 240     THREAD_BASIC_INFORMATION tbi;
 241
 242     if (!set_ntstatus( NtQueryInformationThread( thread, ThreadBasicInformation, &tbi, sizeof(tbi), NULL)))
 243         return 0;
 244     return HandleToULong( tbi.ClientId.UniqueThread );
 245 }
 246
 247
 248 /***********************************************************************
 249  *           GetThreadIdealProcessorEx   (kernelbase.@)
 250  */
 251 BOOL WINAPI /* DECLSPEC_HOTPATCH */ GetThreadIdealProcessorEx( HANDLE thread, PROCESSOR_NUMBER *ideal )
 252 {
 253     FIXME( "(%p %p): stub\n", thread, ideal );
 254     SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
 255     return FALSE;
 256 }
 257
 258
 259 /***********************************************************************
 260  *      GetThreadLocale   (kernelbase.@)
 261  */
 262 LCID WINAPI /* DECLSPEC_HOTPATCH */ GetThreadLocale(void)
 263 {
 264     LCID ret = NtCurrentTeb()->CurrentLocale;
 265     if (!ret) NtCurrentTeb()->CurrentLocale = ret = GetUserDefaultLCID();
 266     return ret;
 267 }
 268
 269
 270 /**********************************************************************
 271  *           GetThreadPriority   (kernelbase.@)
 272  */
 273 INT WINAPI DECLSPEC_HOTPATCH GetThreadPriority( HANDLE thread )
 274 {
 275     THREAD_BASIC_INFORMATION info;
 276
 277     if (!set_ntstatus( NtQueryInformationThread( thread, ThreadBasicInformation,
 278                                                  &info, sizeof(info), NULL )))
 279         return THREAD_PRIORITY_ERROR_RETURN;
 280     return info.Priority;
 281 }
 282
 283
 284 /**********************************************************************
 285  *           GetThreadPriorityBoost   (kernelbase.@)
 286  */
 287 BOOL WINAPI DECLSPEC_HOTPATCH GetThreadPriorityBoost( HANDLE thread, BOOL *state )
 288 {
 289     if (state) *state = FALSE;
 290     return TRUE;
 291 }
 292
 293
 294 /**********************************************************************
 295  *           GetThreadTimes   (kernelbase.@)
 296  */
 297 BOOL WINAPI DECLSPEC_HOTPATCH GetThreadTimes( HANDLE thread, LPFILETIME creationtime, LPFILETIME exittime,
 298                                               LPFILETIME kerneltime, LPFILETIME usertime )
 299 {
 300     KERNEL_USER_TIMES times;
 301
 302     if (!set_ntstatus( NtQueryInformationThread( thread, ThreadTimes, &times, sizeof(times), NULL )))
 303         return FALSE;
 304
 305     if (creationtime)
 306     {
 307         creationtime->dwLowDateTime = times.CreateTime.u.LowPart;
 308         creationtime->dwHighDateTime = times.CreateTime.u.HighPart;
 309     }
 310     if (exittime)
 311     {
 312         exittime->dwLowDateTime = times.ExitTime.u.LowPart;
 313         exittime->dwHighDateTime = times.ExitTime.u.HighPart;
 314     }
 315     if (kerneltime)
 316     {
 317         kerneltime->dwLowDateTime = times.KernelTime.u.LowPart;
 318         kerneltime->dwHighDateTime = times.KernelTime.u.HighPart;
 319     }
 320     if (usertime)
 321     {
 322         usertime->dwLowDateTime = times.UserTime.u.LowPart;
 323         usertime->dwHighDateTime = times.UserTime.u.HighPart;
 324     }
 325     return TRUE;
 326 }
 327
 328
 329 /***********************************************************************
 330  *           GetThreadUILanguage   (kernelbase.@)
 331  */
 332 LANGID WINAPI DECLSPEC_HOTPATCH GetThreadUILanguage(void)
 333 {
 334     LANGID lang;
 335
 336     FIXME(": stub, returning default language.\n");
 337     NtQueryDefaultUILanguage( &lang );
 338     return lang;
 339 }
 340
 341
 342 /***********************************************************************
 343  *           OpenThread   (kernelbase.@)
 344  */
 345 HANDLE WINAPI DECLSPEC_HOTPATCH OpenThread( DWORD access, BOOL inherit, DWORD id )
 346 {
 347     HANDLE handle;
 348     OBJECT_ATTRIBUTES attr;
 349     CLIENT_ID cid;
 350
 351     attr.Length = sizeof(attr);
 352     attr.RootDirectory = 0;
 353     attr.Attributes = inherit ? OBJ_INHERIT : 0;
 354     attr.ObjectName = NULL;
 355     attr.SecurityDescriptor = NULL;
 356     attr.SecurityQualityOfService = NULL;
 357
 358     cid.UniqueProcess = 0;
 359     cid.UniqueThread = ULongToHandle( id );
 360
 361     if (!set_ntstatus( NtOpenThread( &handle, access, &attr, &cid ))) handle = 0;
 362     return handle;
 363 }
 364
 365
 366 /* callback for QueueUserAPC */
 367 static void CALLBACK call_user_apc( ULONG_PTR arg1, ULONG_PTR arg2, ULONG_PTR arg3 )
 368 {
 369     PAPCFUNC func = (PAPCFUNC)arg1;
 370     func( arg2 );
 371 }
 372
 373 /***********************************************************************
 374  *           QueueUserAPC   (kernelbase.@)
 375  */
 376 DWORD WINAPI DECLSPEC_HOTPATCH QueueUserAPC( PAPCFUNC func, HANDLE thread, ULONG_PTR data )
 377 {
 378     return set_ntstatus( NtQueueApcThread( thread, call_user_apc, (ULONG_PTR)func, data, 0 ));
 379 }
 380
 381
 382 /***********************************************************************
 383  *           QueryThreadCycleTime   (kernelbase.@)
 384  */
 385 BOOL WINAPI DECLSPEC_HOTPATCH QueryThreadCycleTime( HANDLE thread, ULONG64 *cycle )
 386 {
 387     static int once;
 388     if (!once++) FIXME( "(%p,%p): stub!\n", thread, cycle );
 389     SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
 390     return FALSE;
 391 }
 392
 393
 394 /**********************************************************************
 395  *           ResumeThread   (kernelbase.@)
 396  */
 397 DWORD WINAPI DECLSPEC_HOTPATCH ResumeThread( HANDLE thread )
 398 {
 399     DWORD ret;
 400
 401     if (!set_ntstatus( NtResumeThread( thread, &ret ))) ret = ~0U;
 402     return ret;
 403 }
 404
 405
 406 /***********************************************************************
 407  *           SetThreadContext   (kernelbase.@)
 408  */
 409 BOOL WINAPI DECLSPEC_HOTPATCH SetThreadContext( HANDLE thread, const CONTEXT *context )
 410 {
 411     return set_ntstatus( NtSetContextThread( thread, context ));
 412 }
 413
 414
 415 /***********************************************************************
 416  *           SetThreadDescription   (kernelbase.@)
 417  */
 418 HRESULT WINAPI DECLSPEC_HOTPATCH SetThreadDescription( HANDLE thread, PCWSTR description )
 419 {
 420     THREAD_DESCRIPTION_INFORMATION info;
 421     int length;
 422
 423     TRACE( "(%p, %s)\n", thread, debugstr_w( description ));
 424
 425     length = description ? lstrlenW( description ) * sizeof(WCHAR) : 0;
 426
 427     if (length > USHRT_MAX)
 428         return HRESULT_FROM_NT(STATUS_INVALID_PARAMETER);
 429
 430     info.Description.Length = info.Description.MaximumLength = length;
 431     info.Description.Buffer = (WCHAR *)description;
 432
 433     return HRESULT_FROM_NT(NtSetInformationThread( thread, ThreadDescription, &info, sizeof(info) ));
 434 }
 435
 436 /***********************************************************************
 437  *           GetThreadDescription   (kernelbase.@)
 438  */
 439 HRESULT WINAPI DECLSPEC_HOTPATCH GetThreadDescription( HANDLE thread, WCHAR **description )
 440 {
 441     THREAD_DESCRIPTION_INFORMATION *info;
 442     NTSTATUS status;
 443     ULONG length;
 444
 445     TRACE( "(%p, %p)\n", thread, description );
 446
 447     *description = NULL;
 448
 449     length = 0;
 450     status = NtQueryInformationThread( thread, ThreadDescription, NULL, 0, &length );
 451     if (status != STATUS_BUFFER_TOO_SMALL)
 452         return HRESULT_FROM_NT(status);
 453
 454     if (!(info = heap_alloc( length )))
 455         return HRESULT_FROM_NT(STATUS_NO_MEMORY);
 456
 457     status = NtQueryInformationThread( thread, ThreadDescription, info, length, &length );
 458     if (!status)
 459     {
 460         if (!(*description = LocalAlloc( 0, info->Description.Length + sizeof(WCHAR))))
 461             status = STATUS_NO_MEMORY;
 462         else
 463         {
 464             if (info->Description.Length)
 465                 memcpy(*description, info->Description.Buffer, info->Description.Length);
 466             (*description)[info->Description.Length / sizeof(WCHAR)] = 0;
 467         }
 468     }
 469
 470     heap_free(info);
 471
 472     return HRESULT_FROM_NT(status);
 473 }
 474
 475 /***********************************************************************
 476  *           SetThreadErrorMode   (kernelbase.@)
 477  */
 478 BOOL WINAPI SetThreadErrorMode( DWORD mode, DWORD *old )
 479 {
 480     NTSTATUS status;
 481     DWORD new = 0;
 482
 483     if (mode & ~(SEM_FAILCRITICALERRORS | SEM_NOGPFAULTERRORBOX | SEM_NOOPENFILEERRORBOX))
 484     {
 485         SetLastError( ERROR_INVALID_PARAMETER );
 486         return FALSE;
 487     }
 488
 489     if (mode & SEM_FAILCRITICALERRORS) new |= 0x10;
 490     if (mode & SEM_NOGPFAULTERRORBOX) new |= 0x20;
 491     if (mode & SEM_NOOPENFILEERRORBOX) new |= 0x40;
 492
 493     status = RtlSetThreadErrorMode( new, old );
 494     if (!status && old) *old = rtlmode_to_win32mode( *old );
 495     return set_ntstatus( status );
 496 }
 497
 498
 499 /***********************************************************************
 500  *           SetThreadGroupAffinity   (kernelbase.@)
 501  */
 502 BOOL WINAPI DECLSPEC_HOTPATCH SetThreadGroupAffinity( HANDLE thread, const GROUP_AFFINITY *new,
 503                                                       GROUP_AFFINITY *old )
 504 {
 505     if (old && !GetThreadGroupAffinity( thread, old )) return FALSE;
 506     return set_ntstatus( NtSetInformationThread( thread, ThreadGroupInformation, new, sizeof(*new) ));
 507 }
 508
 509
 510 /**********************************************************************
 511  *           SetThreadIdealProcessor   (kernelbase.@)
 512  */
 513 DWORD WINAPI DECLSPEC_HOTPATCH SetThreadIdealProcessor( HANDLE thread, DWORD proc )
 514 {
 515     FIXME( "(%p %u): stub\n", thread, proc );
 516     if (proc > MAXIMUM_PROCESSORS)
 517     {
 518         SetLastError( ERROR_INVALID_PARAMETER );
 519         return ~0u;
 520     }
 521     return 0;
 522 }
 523
 524
 525 /***********************************************************************
 526  *           SetThreadIdealProcessorEx   (kernelbase.@)
 527  */
 528 BOOL WINAPI DECLSPEC_HOTPATCH SetThreadIdealProcessorEx( HANDLE thread, PROCESSOR_NUMBER *ideal,
 529                                                          PROCESSOR_NUMBER *previous )
 530 {
 531     FIXME( "(%p %p %p): stub\n", thread, ideal, previous );
 532     SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
 533     return FALSE;
 534 }
 535
 536
 537 /**********************************************************************
 538  *      SetThreadLocale   (kernelbase.@)
 539  */
 540 BOOL WINAPI DECLSPEC_HOTPATCH SetThreadLocale( LCID lcid )
 541 {
 542     lcid = ConvertDefaultLocale( lcid );
 543     if (lcid != GetThreadLocale())
 544     {
 545         if (!IsValidLocale( lcid, LCID_SUPPORTED ))
 546         {
 547             SetLastError( ERROR_INVALID_PARAMETER );
 548             return FALSE;
 549         }
 550         NtCurrentTeb()->CurrentLocale = lcid;
 551     }
 552     return TRUE;
 553 }
 554
 555
 556 /**********************************************************************
 557  *           SetThreadPriority   (kernelbase.@)
 558  */
 559 BOOL WINAPI DECLSPEC_HOTPATCH SetThreadPriority( HANDLE thread, INT priority )
 560 {
 561     DWORD prio = priority;
 562     return set_ntstatus( NtSetInformationThread( thread, ThreadBasePriority, &prio, sizeof(prio) ));
 563 }
 564
 565
 566 /**********************************************************************
 567  *           SetThreadPriorityBoost   (kernelbase.@)
 568  */
 569 BOOL WINAPI DECLSPEC_HOTPATCH SetThreadPriorityBoost( HANDLE thread, BOOL disable )
 570 {
 571     return TRUE;
 572 }
 573
 574
 575 /**********************************************************************
 576  *           SetThreadStackGuarantee   (kernelbase.@)
 577  */
 578 BOOL WINAPI DECLSPEC_HOTPATCH SetThreadStackGuarantee( ULONG *size )
 579 {
 580     ULONG prev_size = NtCurrentTeb()->GuaranteedStackBytes;
 581     ULONG new_size = (*size + 4095) & ~4095;
 582
 583     /* at least 2 pages on 64-bit */
 584     if (sizeof(void *) > sizeof(int) && new_size) new_size = max( new_size, 8192 );
 585
 586     *size = prev_size;
 587     if (new_size >= (char *)NtCurrentTeb()->Tib.StackBase - (char *)NtCurrentTeb()->DeallocationStack)
 588     {
 589         SetLastError( ERROR_INVALID_PARAMETER );
 590         return FALSE;
 591     }
 592     if (new_size > prev_size) NtCurrentTeb()->GuaranteedStackBytes = (new_size + 4095) & ~4095;
 593     return TRUE;
 594 }
 595
 596
 597 /**********************************************************************
 598  *      SetThreadUILanguage   (kernelbase.@)
 599  */
 600 LANGID WINAPI DECLSPEC_HOTPATCH SetThreadUILanguage( LANGID langid )
 601 {
 602     TRACE( "(0x%04x) stub - returning success\n", langid );
 603
 604     if (!langid) langid = GetThreadUILanguage();
 605     return langid;
 606 }
 607
 608
 609 /**********************************************************************
 610  *           SuspendThread   (kernelbase.@)
 611  */
 612 DWORD WINAPI DECLSPEC_HOTPATCH SuspendThread( HANDLE thread )
 613 {
 614     DWORD ret;
 615
 616     if (!set_ntstatus( NtSuspendThread( thread, &ret ))) ret = ~0U;
 617     return ret;
 618 }
 619
 620
 621 /***********************************************************************
 622  *           SwitchToThread   (kernelbase.@)
 623  */
 624 BOOL WINAPI DECLSPEC_HOTPATCH SwitchToThread(void)
 625 {
 626     return (NtYieldExecution() != STATUS_NO_YIELD_PERFORMED);
 627 }
 628
 629
 630 /**********************************************************************
 631  *           TerminateThread   (kernelbase.@)
 632  */
 633 BOOL WINAPI DECLSPEC_HOTPATCH TerminateThread( HANDLE handle, DWORD exit_code )
 634 {
 635     return set_ntstatus( NtTerminateThread( handle, exit_code ));
 636 }
 637
 638
 639 /**********************************************************************
 640  *           TlsAlloc   (kernelbase.@)
 641  */
 642 DWORD WINAPI DECLSPEC_HOTPATCH TlsAlloc(void)
 643 {
 644     DWORD index;
 645     PEB * const peb = NtCurrentTeb()->Peb;
 646
 647     RtlAcquirePebLock();
 648     index = RtlFindClearBitsAndSet( peb->TlsBitmap, 1, 1 );
 649     if (index != ~0U) NtCurrentTeb()->TlsSlots[index] = 0; /* clear the value */
 650     else
 651     {
 652         index = RtlFindClearBitsAndSet( peb->TlsExpansionBitmap, 1, 0 );
 653         if (index != ~0U)
 654         {
 655             if (!NtCurrentTeb()->TlsExpansionSlots &&
 656                 !(NtCurrentTeb()->TlsExpansionSlots = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
 657                                          8 * sizeof(peb->TlsExpansionBitmapBits) * sizeof(void*) )))
 658             {
 659                 RtlClearBits( peb->TlsExpansionBitmap, index, 1 );
 660                 index = ~0U;
 661                 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
 662             }
 663             else
 664             {
 665                 NtCurrentTeb()->TlsExpansionSlots[index] = 0; /* clear the value */
 666                 index += TLS_MINIMUM_AVAILABLE;
 667             }
 668         }
 669         else SetLastError( ERROR_NO_MORE_ITEMS );
 670     }
 671     RtlReleasePebLock();
 672     return index;
 673 }
 674
 675
 676 /**********************************************************************
 677  *           TlsFree   (kernelbase.@)
 678  */
 679 BOOL WINAPI DECLSPEC_HOTPATCH TlsFree( DWORD index )
 680 {
 681     BOOL ret;
 682
 683     RtlAcquirePebLock();
 684     if (index >= TLS_MINIMUM_AVAILABLE)
 685     {
 686         ret = RtlAreBitsSet( NtCurrentTeb()->Peb->TlsExpansionBitmap, index - TLS_MINIMUM_AVAILABLE, 1 );
 687         if (ret) RtlClearBits( NtCurrentTeb()->Peb->TlsExpansionBitmap, index - TLS_MINIMUM_AVAILABLE, 1 );
 688     }
 689     else
 690     {
 691         ret = RtlAreBitsSet( NtCurrentTeb()->Peb->TlsBitmap, index, 1 );
 692         if (ret) RtlClearBits( NtCurrentTeb()->Peb->TlsBitmap, index, 1 );
 693     }
 694     if (ret) NtSetInformationThread( GetCurrentThread(), ThreadZeroTlsCell, &index, sizeof(index) );
 695     else SetLastError( ERROR_INVALID_PARAMETER );
 696     RtlReleasePebLock();
 697     return ret;
 698 }
 699
 700
 701 /**********************************************************************
 702  *           TlsGetValue   (kernelbase.@)
 703  */
 704 LPVOID WINAPI DECLSPEC_HOTPATCH TlsGetValue( DWORD index )
 705 {
 706     SetLastError( ERROR_SUCCESS );
 707     if (index < TLS_MINIMUM_AVAILABLE) return NtCurrentTeb()->TlsSlots[index];
 708
 709     index -= TLS_MINIMUM_AVAILABLE;
 710     if (index >= 8 * sizeof(NtCurrentTeb()->Peb->TlsExpansionBitmapBits))
 711     {
 712         SetLastError( ERROR_INVALID_PARAMETER );
 713         return NULL;
 714     }
 715     if (!NtCurrentTeb()->TlsExpansionSlots) return NULL;
 716     return NtCurrentTeb()->TlsExpansionSlots[index];
 717 }
 718
 719
 720 /**********************************************************************
 721  *           TlsSetValue   (kernelbase.@)
 722  */
 723 BOOL WINAPI DECLSPEC_HOTPATCH TlsSetValue( DWORD index, LPVOID value )
 724 {
 725     if (index < TLS_MINIMUM_AVAILABLE)
 726     {
 727         NtCurrentTeb()->TlsSlots[index] = value;
 728     }
 729     else
 730     {
 731         index -= TLS_MINIMUM_AVAILABLE;
 732         if (index >= 8 * sizeof(NtCurrentTeb()->Peb->TlsExpansionBitmapBits))
 733         {
 734             SetLastError( ERROR_INVALID_PARAMETER );
 735             return FALSE;
 736         }
 737         if (!NtCurrentTeb()->TlsExpansionSlots &&
 738             !(NtCurrentTeb()->TlsExpansionSlots = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
 739                          8 * sizeof(NtCurrentTeb()->Peb->TlsExpansionBitmapBits) * sizeof(void*) )))
 740         {
 741             SetLastError( ERROR_NOT_ENOUGH_MEMORY );
 742             return FALSE;
 743         }
 744         NtCurrentTeb()->TlsExpansionSlots[index] = value;
 745     }
 746     return TRUE;
 747 }
 748
 749
 750 /***********************************************************************
 751  * Fibers
 752  ***********************************************************************/
 753
 754
 755 struct fiber_data
 756 {
 757     LPVOID                param;             /* 00/00 fiber param */
 758     void                 *except;            /* 04/08 saved exception handlers list */
 759     void                 *stack_base;        /* 08/10 top of fiber stack */
 760     void                 *stack_limit;       /* 0c/18 fiber stack low-water mark */
 761     void                 *stack_allocation;  /* 10/20 base of the fiber stack allocation */
 762     CONTEXT               context;           /* 14/30 fiber context */
 763     DWORD                 flags;             /*       fiber flags */
 764     LPFIBER_START_ROUTINE start;             /*       start routine */
 765     void                 *fls_slots;         /*       fiber storage slots */
 766 };
 767
 768 extern void WINAPI switch_fiber( CONTEXT *old, CONTEXT *new );
 769 #ifdef __i386__
 770 __ASM_STDCALL_FUNC( switch_fiber, 8,
 771                     "movl 4(%esp),%ecx\n\t"     /* old */
 772                     "movl %edi,0x9c(%ecx)\n\t"  /* old->Edi */
 773                     "movl %esi,0xa0(%ecx)\n\t"  /* old->Esi */
 774                     "movl %ebx,0xa4(%ecx)\n\t"  /* old->Ebx */
 775                     "movl %ebp,0xb4(%ecx)\n\t"  /* old->Ebp */
 776                     "movl 0(%esp),%eax\n\t"
 777                     "movl %eax,0xb8(%ecx)\n\t"  /* old->Eip */
 778                     "leal 12(%esp),%eax\n\t"
 779                     "movl %eax,0xc4(%ecx)\n\t"  /* old->Esp */
 780                     "movl 8(%esp),%ecx\n\t"     /* new */
 781                     "movl 0x9c(%ecx),%edi\n\t"  /* new->Edi */
 782                     "movl 0xa0(%ecx),%esi\n\t"  /* new->Esi */
 783                     "movl 0xa4(%ecx),%ebx\n\t"  /* new->Ebx */
 784                     "movl 0xb4(%ecx),%ebp\n\t"  /* new->Ebp */
 785                     "movl 0xc4(%ecx),%esp\n\t"  /* new->Esp */
 786                     "jmp *0xb8(%ecx)" )         /* new->Eip */
 787 #elif defined(__x86_64__)
 788 __ASM_STDCALL_FUNC( switch_fiber, 8,
 789                     "movq %rbx,0x90(%rcx)\n\t"       /* old->Rbx */
 790                     "leaq 0x8(%rsp),%rax\n\t"
 791                     "movq %rax,0x98(%rcx)\n\t"       /* old->Rsp */
 792                     "movq %rbp,0xa0(%rcx)\n\t"       /* old->Rbp */
 793                     "movq %rsi,0xa8(%rcx)\n\t"       /* old->Rsi */
 794                     "movq %rdi,0xb0(%rcx)\n\t"       /* old->Rdi */
 795                     "movq %r12,0xd8(%rcx)\n\t"       /* old->R12 */
 796                     "movq %r13,0xe0(%rcx)\n\t"       /* old->R13 */
 797                     "movq %r14,0xe8(%rcx)\n\t"       /* old->R14 */
 798                     "movq %r15,0xf0(%rcx)\n\t"       /* old->R15 */
 799                     "movq (%rsp),%rax\n\t"
 800                     "movq %rax,0xf8(%rcx)\n\t"       /* old->Rip */
 801                     "movdqa %xmm6,0x200(%rcx)\n\t"   /* old->Xmm6 */
 802                     "movdqa %xmm7,0x210(%rcx)\n\t"   /* old->Xmm7 */
 803                     "movdqa %xmm8,0x220(%rcx)\n\t"   /* old->Xmm8 */
 804                     "movdqa %xmm9,0x230(%rcx)\n\t"   /* old->Xmm9 */
 805                     "movdqa %xmm10,0x240(%rcx)\n\t"  /* old->Xmm10 */
 806                     "movdqa %xmm11,0x250(%rcx)\n\t"  /* old->Xmm11 */
 807                     "movdqa %xmm12,0x260(%rcx)\n\t"  /* old->Xmm12 */
 808                     "movdqa %xmm13,0x270(%rcx)\n\t"  /* old->Xmm13 */
 809                     "movdqa %xmm14,0x280(%rcx)\n\t"  /* old->Xmm14 */
 810                     "movdqa %xmm15,0x290(%rcx)\n\t"  /* old->Xmm15 */
 811                     "movq 0x90(%rdx),%rbx\n\t"       /* new->Rbx */
 812                     "movq 0xa0(%rdx),%rbp\n\t"       /* new->Rbp */
 813                     "movq 0xa8(%rdx),%rsi\n\t"       /* new->Rsi */
 814                     "movq 0xb0(%rdx),%rdi\n\t"       /* new->Rdi */
 815                     "movq 0xd8(%rdx),%r12\n\t"       /* new->R12 */
 816                     "movq 0xe0(%rdx),%r13\n\t"       /* new->R13 */
 817                     "movq 0xe8(%rdx),%r14\n\t"       /* new->R14 */
 818                     "movq 0xf0(%rdx),%r15\n\t"       /* new->R15 */
 819                     "movdqa 0x200(%rdx),%xmm6\n\t"   /* new->Xmm6 */
 820                     "movdqa 0x210(%rdx),%xmm7\n\t"   /* new->Xmm7 */
 821                     "movdqa 0x220(%rdx),%xmm8\n\t"   /* new->Xmm8 */
 822                     "movdqa 0x230(%rdx),%xmm9\n\t"   /* new->Xmm9 */
 823                     "movdqa 0x240(%rdx),%xmm10\n\t"  /* new->Xmm10 */
 824                     "movdqa 0x250(%rdx),%xmm11\n\t"  /* new->Xmm11 */
 825                     "movdqa 0x260(%rdx),%xmm12\n\t"  /* new->Xmm12 */
 826                     "movdqa 0x270(%rdx),%xmm13\n\t"  /* new->Xmm13 */
 827                     "movdqa 0x280(%rdx),%xmm14\n\t"  /* new->Xmm14 */
 828                     "movdqa 0x290(%rdx),%xmm15\n\t"  /* new->Xmm15 */
 829                     "movq 0x98(%rdx),%rsp\n\t"       /* new->Rsp */
 830                     "jmp *0xf8(%rdx)" )              /* new->Rip */
 831 #elif defined(__arm__)
 832 __ASM_STDCALL_FUNC( switch_fiber, 8,
 833                    "str r4, [r0, #0x14]\n\t"   /* old->R4 */
 834                    "str r5, [r0, #0x18]\n\t"   /* old->R5 */
 835                    "str r6, [r0, #0x1c]\n\t"   /* old->R6 */
 836                    "str r7, [r0, #0x20]\n\t"   /* old->R7 */
 837                    "str r8, [r0, #0x24]\n\t"   /* old->R8 */
 838                    "str r9, [r0, #0x28]\n\t"   /* old->R9 */
 839                    "str r10, [r0, #0x2c]\n\t"  /* old->R10 */
 840                    "str r11, [r0, #0x30]\n\t"  /* old->R11 */
 841                    "str sp, [r0, #0x38]\n\t"   /* old->Sp */
 842                    "str lr, [r0, #0x40]\n\t"   /* old->Pc */
 843                    "ldr r4, [r1, #0x14]\n\t"   /* new->R4 */
 844                    "ldr r5, [r1, #0x18]\n\t"   /* new->R5 */
 845                    "ldr r6, [r1, #0x1c]\n\t"   /* new->R6 */
 846                    "ldr r7, [r1, #0x20]\n\t"   /* new->R7 */
 847                    "ldr r8, [r1, #0x24]\n\t"   /* new->R8 */
 848                    "ldr r9, [r1, #0x28]\n\t"   /* new->R9 */
 849                    "ldr r10, [r1, #0x2c]\n\t"  /* new->R10 */
 850                    "ldr r11, [r1, #0x30]\n\t"  /* new->R11 */
 851                    "ldr sp, [r1, #0x38]\n\t"   /* new->Sp */
 852                    "ldr r2, [r1, #0x40]\n\t"   /* new->Pc */
 853                    "bx r2" )
 854 #elif defined(__aarch64__)
 855 __ASM_STDCALL_FUNC( switch_fiber, 8,
 856                    "stp x19, x20, [x0, #0xa0]\n\t"  /* old->X19,X20 */
 857                    "stp x21, x22, [x0, #0xb0]\n\t"  /* old->X21,X22 */
 858                    "stp x23, x24, [x0, #0xc0]\n\t"  /* old->X23,X24 */
 859                    "stp x25, x26, [x0, #0xd0]\n\t"  /* old->X25,X26 */
 860                    "stp x27, x28, [x0, #0xe0]\n\t"  /* old->X27,X28 */
 861                    "str x29, [x0, #0xf0]\n\t"       /* old->Fp */
 862                    "mov x2, sp\n\t"
 863                    "str x2, [x0, #0x100]\n\t"       /* old->Sp */
 864                    "str x30, [x0, #0x108]\n\t"      /* old->Pc */
 865                    "ldp x19, x20, [x1, #0xa0]\n\t"  /* new->X19,X20 */
 866                    "ldp x21, x22, [x1, #0xb0]\n\t"  /* new->X21,X22 */
 867                    "ldp x23, x24, [x1, #0xc0]\n\t"  /* new->X23,X24 */
 868                    "ldp x25, x26, [x1, #0xd0]\n\t"  /* new->X25,X26 */
 869                    "ldp x27, x28, [x1, #0xe0]\n\t"  /* new->X27,X28 */
 870                    "ldr x29, [x1, #0xf0]\n\t"       /* new->Fp */
 871                    "ldr x2, [x1, #0x100]\n\t"       /* new->Sp */
 872                    "ldr x30, [x1, #0x108]\n\t"      /* new->Pc */
 873                    "mov sp, x2\n\t"
 874                    "ret" )
 875 #else
 876 void WINAPI switch_fiber( CONTEXT *old, CONTEXT *new )
 877 {
 878     FIXME( "not implemented\n" );
 879     DbgBreakPoint();
 880 }
 881 #endif
 882
 883 /* call the fiber initial function once we have switched stack */
 884 static void CDECL start_fiber(void)
 885 {
 886     struct fiber_data *fiber = NtCurrentTeb()->Tib.u.FiberData;
 887     LPFIBER_START_ROUTINE start = fiber->start;
 888
 889     __TRY
 890     {
 891         start( fiber->param );
 892         RtlExitUserThread( 1 );
 893     }
 894     __EXCEPT(UnhandledExceptionFilter)
 895     {
 896         TerminateThread( GetCurrentThread(), GetExceptionCode() );
 897     }
 898     __ENDTRY
 899 }
 900
 901 static void init_fiber_context( struct fiber_data *fiber )
 902 {
 903 #ifdef __i386__
 904     fiber->context.Esp = (ULONG_PTR)fiber->stack_base - 4;
 905     fiber->context.Eip = (ULONG_PTR)start_fiber;
 906 #elif defined(__x86_64__)
 907     fiber->context.Rsp = (ULONG_PTR)fiber->stack_base - 0x28;
 908     fiber->context.Rip = (ULONG_PTR)start_fiber;
 909 #elif defined(__arm__)
 910     fiber->context.Sp = (ULONG_PTR)fiber->stack_base;
 911     fiber->context.Pc = (ULONG_PTR)start_fiber;
 912 #elif defined(__aarch64__)
 913     fiber->context.Sp = (ULONG_PTR)fiber->stack_base;
 914     fiber->context.Pc = (ULONG_PTR)start_fiber;
 915 #endif
 916 }
 917
 918
 919 /***********************************************************************
 920  *           CreateFiber   (kernelbase.@)
 921  */
 922 LPVOID WINAPI DECLSPEC_HOTPATCH CreateFiber( SIZE_T stack, LPFIBER_START_ROUTINE start, LPVOID param )
 923 {
 924     return CreateFiberEx( stack, 0, 0, start, param );
 925 }
 926
 927
 928 /***********************************************************************
 929  *           CreateFiberEx   (kernelbase.@)
 930  */
 931 LPVOID WINAPI DECLSPEC_HOTPATCH CreateFiberEx( SIZE_T stack_commit, SIZE_T stack_reserve, DWORD flags,
 932                                                LPFIBER_START_ROUTINE start, LPVOID param )
 933 {
 934     struct fiber_data *fiber;
 935     INITIAL_TEB stack;
 936
 937     if (!(fiber = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*fiber) )))
 938     {
 939         SetLastError( ERROR_NOT_ENOUGH_MEMORY );
 940         return NULL;
 941     }
 942
 943     if (!set_ntstatus( RtlCreateUserStack( stack_commit, stack_reserve, 0, 1, 1, &stack )))
 944     {
 945         HeapFree( GetProcessHeap(), 0, fiber );
 946         return NULL;
 947     }
 948
 949     fiber->stack_allocation = stack.DeallocationStack;
 950     fiber->stack_base = stack.StackBase;
 951     fiber->stack_limit = stack.StackLimit;
 952     fiber->param       = param;
 953     fiber->except      = (void *)-1;
 954     fiber->start       = start;
 955     fiber->flags       = flags;
 956     init_fiber_context( fiber );
 957     return fiber;
 958 }
 959
 960
 961 /***********************************************************************
 962  *           ConvertFiberToThread   (kernelbase.@)
 963  */
 964 BOOL WINAPI DECLSPEC_HOTPATCH ConvertFiberToThread(void)
 965 {
 966     struct fiber_data *fiber = NtCurrentTeb()->Tib.u.FiberData;
 967
 968     if (fiber)
 969     {
 970         NtCurrentTeb()->Tib.u.FiberData = NULL;
 971         HeapFree( GetProcessHeap(), 0, fiber );
 972     }
 973     return TRUE;
 974 }
 975
 976
 977 /***********************************************************************
 978  *           ConvertThreadToFiber   (kernelbase.@)
 979  */
 980 LPVOID WINAPI DECLSPEC_HOTPATCH ConvertThreadToFiber( LPVOID param )
 981 {
 982     return ConvertThreadToFiberEx( param, 0 );
 983 }
 984
 985
 986 /***********************************************************************
 987  *           ConvertThreadToFiberEx   (kernelbase.@)
 988  */
 989 LPVOID WINAPI DECLSPEC_HOTPATCH ConvertThreadToFiberEx( LPVOID param, DWORD flags )
 990 {
 991     struct fiber_data *fiber;
 992
 993     if (NtCurrentTeb()->Tib.u.FiberData)
 994     {
 995         SetLastError( ERROR_ALREADY_FIBER );
 996         return NULL;
 997     }
 998
 999     if (!(fiber = HeapAlloc( GetProcessHeap(), 0, sizeof(*fiber) )))
1000     {
1001         SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1002         return NULL;
1003     }
1004     fiber->param            = param;
1005     fiber->except           = NtCurrentTeb()->Tib.ExceptionList;
1006     fiber->stack_base       = NtCurrentTeb()->Tib.StackBase;
1007     fiber->stack_limit      = NtCurrentTeb()->Tib.StackLimit;
1008     fiber->stack_allocation = NtCurrentTeb()->DeallocationStack;
1009     fiber->start            = NULL;
1010     fiber->flags            = flags;
1011     fiber->fls_slots        = NtCurrentTeb()->FlsSlots;
1012     NtCurrentTeb()->Tib.u.FiberData = fiber;
1013     return fiber;
1014 }
1015
1016
1017 /***********************************************************************
1018  *           DeleteFiber   (kernelbase.@)
1019  */
1020 void WINAPI DECLSPEC_HOTPATCH DeleteFiber( LPVOID fiber_ptr )
1021 {
1022     struct fiber_data *fiber = fiber_ptr;
1023
1024     if (!fiber) return;
1025     if (fiber == NtCurrentTeb()->Tib.u.FiberData)
1026     {
1027         HeapFree( GetProcessHeap(), 0, fiber );
1028         RtlExitUserThread( 1 );
1029     }
1030     RtlFreeUserStack( fiber->stack_allocation );
1031     RtlProcessFlsData( fiber->fls_slots, 3 );
1032     HeapFree( GetProcessHeap(), 0, fiber );
1033 }
1034
1035
1036 /***********************************************************************
1037  *           IsThreadAFiber   (kernelbase.@)
1038  */
1039 BOOL WINAPI DECLSPEC_HOTPATCH IsThreadAFiber(void)
1040 {
1041     return NtCurrentTeb()->Tib.u.FiberData != NULL;
1042 }
1043
1044
1045 /***********************************************************************
1046  *           SwitchToFiber   (kernelbase.@)
1047  */
1048 void WINAPI DECLSPEC_HOTPATCH SwitchToFiber( LPVOID fiber )
1049 {
1050     struct fiber_data *new_fiber = fiber;
1051     struct fiber_data *current_fiber = NtCurrentTeb()->Tib.u.FiberData;
1052
1053     current_fiber->except      = NtCurrentTeb()->Tib.ExceptionList;
1054     current_fiber->stack_limit = NtCurrentTeb()->Tib.StackLimit;
1055     current_fiber->fls_slots   = NtCurrentTeb()->FlsSlots;
1056     /* stack_allocation and stack_base never change */
1057
1058     /* FIXME: should save floating point context if requested in fiber->flags */
1059     NtCurrentTeb()->Tib.u.FiberData   = new_fiber;
1060     NtCurrentTeb()->Tib.ExceptionList = new_fiber->except;
1061     NtCurrentTeb()->Tib.StackBase     = new_fiber->stack_base;
1062     NtCurrentTeb()->Tib.StackLimit    = new_fiber->stack_limit;
1063     NtCurrentTeb()->DeallocationStack = new_fiber->stack_allocation;
1064     NtCurrentTeb()->FlsSlots          = new_fiber->fls_slots;
1065     switch_fiber( &current_fiber->context, &new_fiber->context );
1066 }
1067
1068
1069 /***********************************************************************
1070  *           FlsAlloc   (kernelbase.@)
1071  */
1072 DWORD WINAPI DECLSPEC_HOTPATCH FlsAlloc( PFLS_CALLBACK_FUNCTION callback )
1073 {
1074     DWORD index;
1075
1076     if (!set_ntstatus( RtlFlsAlloc( callback, &index ))) return FLS_OUT_OF_INDEXES;
1077     return index;
1078 }
1079
1080
1081 /***********************************************************************
1082  *           FlsFree   (kernelbase.@)
1083  */
1084 BOOL WINAPI DECLSPEC_HOTPATCH FlsFree( DWORD index )
1085 {
1086     return set_ntstatus( RtlFlsFree( index ));
1087 }
1088
1089
1090 /***********************************************************************
1091  *           FlsGetValue   (kernelbase.@)
1092  */
1093 PVOID WINAPI DECLSPEC_HOTPATCH FlsGetValue( DWORD index )
1094 {
1095     void *data;
1096
1097     if (!set_ntstatus( RtlFlsGetValue( index, &data ))) return NULL;
1098     SetLastError( ERROR_SUCCESS );
1099     return data;
1100 }
1101
1102
1103 /***********************************************************************
1104  *           FlsSetValue   (kernelbase.@)
1105  */
1106 BOOL WINAPI DECLSPEC_HOTPATCH FlsSetValue( DWORD index, PVOID data )
1107 {
1108     return set_ntstatus( RtlFlsSetValue( index, data ));
1109 }
1110
1111
1112 /***********************************************************************
1113  * Thread pool
1114  ***********************************************************************/
1115
1116
1117 /***********************************************************************
1118  *           CallbackMayRunLong   (kernelbase.@)
1119  */
1120 BOOL WINAPI DECLSPEC_HOTPATCH CallbackMayRunLong( TP_CALLBACK_INSTANCE *instance )
1121 {
1122     return set_ntstatus( TpCallbackMayRunLong( instance ));
1123 }
1124
1125
1126 /***********************************************************************
1127  *           CreateThreadpool   (kernelbase.@)
1128  */
1129 PTP_POOL WINAPI DECLSPEC_HOTPATCH CreateThreadpool( void *reserved )
1130 {
1131     TP_POOL *pool;
1132
1133     if (!set_ntstatus( TpAllocPool( &pool, reserved ))) pool = NULL;
1134     return pool;
1135 }
1136
1137
1138 /***********************************************************************
1139  *           CreateThreadpoolCleanupGroup   (kernelbase.@)
1140  */
1141 PTP_CLEANUP_GROUP WINAPI DECLSPEC_HOTPATCH CreateThreadpoolCleanupGroup(void)
1142 {
1143     TP_CLEANUP_GROUP *group;
1144
1145     if (!set_ntstatus( TpAllocCleanupGroup( &group ))) return NULL;
1146     return group;
1147 }
1148
1149
1150 static void WINAPI tp_io_callback( TP_CALLBACK_INSTANCE *instance, void *userdata, void *cvalue, IO_STATUS_BLOCK *iosb, TP_IO *io )
1151 {
1152     PTP_WIN32_IO_CALLBACK callback = *(void **)io;
1153     callback( instance, userdata, cvalue, RtlNtStatusToDosError( iosb->u.Status ), iosb->Information, io );
1154 }
1155
1156
1157 /***********************************************************************
1158  *           CreateThreadpoolIo   (kernelbase.@)
1159  */
1160 PTP_IO WINAPI DECLSPEC_HOTPATCH CreateThreadpoolIo( HANDLE handle, PTP_WIN32_IO_CALLBACK callback,
1161                                                     PVOID userdata, TP_CALLBACK_ENVIRON *environment )
1162 {
1163     TP_IO *io;
1164     if (!set_ntstatus( TpAllocIoCompletion( &io, handle, tp_io_callback, userdata, environment ))) return NULL;
1165     *(void **)io = callback; /* ntdll leaves us space to store our callback at the beginning of TP_IO struct */
1166     return io;
1167 }
1168
1169
1170 /***********************************************************************
1171  *           CreateThreadpoolTimer   (kernelbase.@)
1172  */
1173 PTP_TIMER WINAPI DECLSPEC_HOTPATCH CreateThreadpoolTimer( PTP_TIMER_CALLBACK callback, PVOID userdata,
1174                                                           TP_CALLBACK_ENVIRON *environment )
1175 {
1176     TP_TIMER *timer;
1177
1178     if (!set_ntstatus( TpAllocTimer( &timer, callback, userdata, environment ))) return NULL;
1179     return timer;
1180 }
1181
1182
1183 /***********************************************************************
1184  *           CreateThreadpoolWait   (kernelbase.@)
1185  */
1186 PTP_WAIT WINAPI DECLSPEC_HOTPATCH CreateThreadpoolWait( PTP_WAIT_CALLBACK callback, PVOID userdata,
1187                                                        TP_CALLBACK_ENVIRON *environment )
1188 {
1189     TP_WAIT *wait;
1190
1191     if (!set_ntstatus( TpAllocWait( &wait, callback, userdata, environment ))) return NULL;
1192     return wait;
1193 }
1194
1195
1196 /***********************************************************************
1197  *           CreateThreadpoolWork   (kernelbase.@)
1198  */
1199 PTP_WORK WINAPI DECLSPEC_HOTPATCH CreateThreadpoolWork( PTP_WORK_CALLBACK callback, PVOID userdata,
1200                                                         TP_CALLBACK_ENVIRON *environment )
1201 {
1202     TP_WORK *work;
1203
1204     if (!set_ntstatus( TpAllocWork( &work, callback, userdata, environment ))) return NULL;
1205     return work;
1206 }
1207
1208
1209 /***********************************************************************
1210  *           TrySubmitThreadpoolCallback   (kernelbase.@)
1211  */
1212 BOOL WINAPI DECLSPEC_HOTPATCH TrySubmitThreadpoolCallback( PTP_SIMPLE_CALLBACK callback, PVOID userdata,
1213                                                            TP_CALLBACK_ENVIRON *environment )
1214 {
1215     return set_ntstatus( TpSimpleTryPost( callback, userdata, environment ));
1216 }
1217
1218
1219 /***********************************************************************
1220  *           QueueUserWorkItem   (kernelbase.@)
1221  */
1222 BOOL WINAPI DECLSPEC_HOTPATCH QueueUserWorkItem( LPTHREAD_START_ROUTINE func, PVOID context, ULONG flags )
1223 {
1224     return set_ntstatus( RtlQueueWorkItem( func, context, flags ));
1225 }
1226
1227 /***********************************************************************
1228  *           SetThreadpoolStackInformation   (kernelbase.@)
1229  */
1230 BOOL WINAPI DECLSPEC_HOTPATCH SetThreadpoolStackInformation( PTP_POOL pool, PTP_POOL_STACK_INFORMATION stack_info )
1231 {
1232     return set_ntstatus( TpSetPoolStackInformation( pool, stack_info ));
1233 }
1234
1235 /***********************************************************************
1236  *           QueryThreadpoolStackInformation   (kernelbase.@)
1237  */
1238 BOOL WINAPI DECLSPEC_HOTPATCH QueryThreadpoolStackInformation( PTP_POOL pool, PTP_POOL_STACK_INFORMATION stack_info )
1239 {
1240     return set_ntstatus( TpQueryPoolStackInformation( pool, stack_info ));
1241 }