dlls/kernel/sync.c

   1 /*
   2  * Kernel synchronization objects
   3  *
   4  * Copyright 1998 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 <string.h>
  25 #ifdef HAVE_UNISTD_H
  26 # include <unistd.h>
  27 #endif
  28 #include <errno.h>
  29 #ifdef HAVE_SYS_IOCTL_H
  30 #include <sys/ioctl.h>
  31 #endif
  32 #ifdef HAVE_POLL_H
  33 #include <poll.h>
  34 #endif
  35 #ifdef HAVE_SYS_POLL_H
  36 #include <sys/poll.h>
  37 #endif
  38 #ifdef HAVE_SYS_SOCKET_H
  39 #include <sys/socket.h>
  40 #endif
  41 #include <stdarg.h>
  42 #include <stdio.h>
  43
  44 #define NONAMELESSUNION
  45 #define NONAMELESSSTRUCT
  46
  47 #include "ntstatus.h"
  48 #include "windef.h"
  49 #include "winbase.h"
  50 #include "winerror.h"
  51 #include "winnls.h"
  52 #include "winreg.h"
  53 #include "winternl.h"
  54
  55 #include "wine/server.h"
  56 #include "wine/unicode.h"
  57 #include "wine/winbase16.h"
  58 #include "kernel_private.h"
  59
  60 #include "wine/debug.h"
  61
  62 WINE_DEFAULT_DEBUG_CHANNEL(sync);
  63
  64 /* check if current version is NT or Win95 */
  65 inline static int is_version_nt(void)
  66 {
  67     return !(GetVersion() & 0x80000000);
  68 }
  69
  70
  71 /***********************************************************************
  72  *              Sleep  (KERNEL32.@)
  73  */
  74 VOID WINAPI Sleep( DWORD timeout )
  75 {
  76     SleepEx( timeout, FALSE );
  77 }
  78
  79 /******************************************************************************
  80  *              SleepEx   (KERNEL32.@)
  81  */
  82 DWORD WINAPI SleepEx( DWORD timeout, BOOL alertable )
  83 {
  84     NTSTATUS status;
  85
  86     if (timeout == INFINITE) status = NtDelayExecution( alertable, NULL );
  87     else
  88     {
  89         LARGE_INTEGER time;
  90
  91         time.QuadPart = timeout * (ULONGLONG)10000;
  92         time.QuadPart = -time.QuadPart;
  93         status = NtDelayExecution( alertable, &time );
  94     }
  95     if (status != STATUS_USER_APC) status = STATUS_SUCCESS;
  96     return status;
  97 }
  98
  99
 100 /***********************************************************************
 101  *              SwitchToThread (KERNEL32.@)
 102  */
 103 BOOL WINAPI SwitchToThread(void)
 104 {
 105     return (NtYieldExecution() != STATUS_NO_YIELD_PERFORMED);
 106 }
 107
 108
 109 /***********************************************************************
 110  *           WaitForSingleObject   (KERNEL32.@)
 111  */
 112 DWORD WINAPI WaitForSingleObject( HANDLE handle, DWORD timeout )
 113 {
 114     return WaitForMultipleObjectsEx( 1, &handle, FALSE, timeout, FALSE );
 115 }
 116
 117
 118 /***********************************************************************
 119  *           WaitForSingleObjectEx   (KERNEL32.@)
 120  */
 121 DWORD WINAPI WaitForSingleObjectEx( HANDLE handle, DWORD timeout,
 122                                     BOOL alertable )
 123 {
 124     return WaitForMultipleObjectsEx( 1, &handle, FALSE, timeout, alertable );
 125 }
 126
 127
 128 /***********************************************************************
 129  *           WaitForMultipleObjects   (KERNEL32.@)
 130  */
 131 DWORD WINAPI WaitForMultipleObjects( DWORD count, const HANDLE *handles,
 132                                      BOOL wait_all, DWORD timeout )
 133 {
 134     return WaitForMultipleObjectsEx( count, handles, wait_all, timeout, FALSE );
 135 }
 136
 137
 138 /***********************************************************************
 139  *           WaitForMultipleObjectsEx   (KERNEL32.@)
 140  */
 141 DWORD WINAPI WaitForMultipleObjectsEx( DWORD count, const HANDLE *handles,
 142                                        BOOL wait_all, DWORD timeout,
 143                                        BOOL alertable )
 144 {
 145     NTSTATUS status;
 146     HANDLE hloc[MAXIMUM_WAIT_OBJECTS];
 147     unsigned int i;
 148
 149     if (count >= MAXIMUM_WAIT_OBJECTS)
 150     {
 151         SetLastError(ERROR_INVALID_PARAMETER);
 152         return WAIT_FAILED;
 153     }
 154     for (i = 0; i < count; i++)
 155     {
 156         if ((handles[i] == (HANDLE)STD_INPUT_HANDLE) ||
 157             (handles[i] == (HANDLE)STD_OUTPUT_HANDLE) ||
 158             (handles[i] == (HANDLE)STD_ERROR_HANDLE))
 159             hloc[i] = GetStdHandle( (DWORD)handles[i] );
 160         else
 161             hloc[i] = handles[i];
 162
 163         /* yes, even screen buffer console handles are waitable, and are
 164          * handled as a handle to the console itself !!
 165          */
 166         if (is_console_handle(hloc[i]))
 167         {
 168             if (!VerifyConsoleIoHandle(hloc[i]))
 169             {
 170                 return FALSE;
 171             }
 172             hloc[i] = GetConsoleInputWaitHandle();
 173         }
 174     }
 175
 176     if (timeout == INFINITE)
 177     {
 178         status = NtWaitForMultipleObjects( count, hloc, wait_all, alertable, NULL );
 179     }
 180     else
 181     {
 182         LARGE_INTEGER time;
 183
 184         time.QuadPart = timeout * (ULONGLONG)10000;
 185         time.QuadPart = -time.QuadPart;
 186         status = NtWaitForMultipleObjects( count, hloc, wait_all, alertable, &time );
 187     }
 188
 189     if (HIWORD(status))  /* is it an error code? */
 190     {
 191         SetLastError( RtlNtStatusToDosError(status) );
 192         status = WAIT_FAILED;
 193     }
 194     return status;
 195 }
 196
 197
 198 /***********************************************************************
 199  *           WaitForSingleObject   (KERNEL.460)
 200  */
 201 DWORD WINAPI WaitForSingleObject16( HANDLE handle, DWORD timeout )
 202 {
 203     DWORD retval, mutex_count;
 204
 205     ReleaseThunkLock( &mutex_count );
 206     retval = WaitForSingleObject( handle, timeout );
 207     RestoreThunkLock( mutex_count );
 208     return retval;
 209 }
 210
 211 /***********************************************************************
 212  *           WaitForMultipleObjects   (KERNEL.461)
 213  */
 214 DWORD WINAPI WaitForMultipleObjects16( DWORD count, const HANDLE *handles,
 215                                        BOOL wait_all, DWORD timeout )
 216 {
 217     DWORD retval, mutex_count;
 218
 219     ReleaseThunkLock( &mutex_count );
 220     retval = WaitForMultipleObjectsEx( count, handles, wait_all, timeout, FALSE );
 221     RestoreThunkLock( mutex_count );
 222     return retval;
 223 }
 224
 225 /***********************************************************************
 226  *           WaitForMultipleObjectsEx   (KERNEL.495)
 227  */
 228 DWORD WINAPI WaitForMultipleObjectsEx16( DWORD count, const HANDLE *handles,
 229                                          BOOL wait_all, DWORD timeout, BOOL alertable )
 230 {
 231     DWORD retval, mutex_count;
 232
 233     ReleaseThunkLock( &mutex_count );
 234     retval = WaitForMultipleObjectsEx( count, handles, wait_all, timeout, alertable );
 235     RestoreThunkLock( mutex_count );
 236     return retval;
 237 }
 238
 239 /***********************************************************************
 240  *           RegisterWaitForSingleObject   (KERNEL32.@)
 241  */
 242 BOOL WINAPI RegisterWaitForSingleObject(PHANDLE phNewWaitObject, HANDLE hObject,
 243                 WAITORTIMERCALLBACK Callback, PVOID Context,
 244                 ULONG dwMilliseconds, ULONG dwFlags)
 245 {
 246     FIXME("%p %p %p %p %ld %ld\n",
 247           phNewWaitObject,hObject,Callback,Context,dwMilliseconds,dwFlags);
 248     return FALSE;
 249 }
 250
 251 /***********************************************************************
 252  *           RegisterWaitForSingleObjectEx   (KERNEL32.@)
 253  */
 254 HANDLE WINAPI RegisterWaitForSingleObjectEx( HANDLE hObject,
 255                 WAITORTIMERCALLBACK Callback, PVOID Context,
 256                 ULONG dwMilliseconds, ULONG dwFlags )
 257 {
 258     FIXME("%p %p %p %ld %ld\n",
 259           hObject,Callback,Context,dwMilliseconds,dwFlags);
 260     return 0;
 261 }
 262
 263 /***********************************************************************
 264  *           UnregisterWait   (KERNEL32.@)
 265  */
 266 BOOL WINAPI UnregisterWait( HANDLE WaitHandle )
 267 {
 268     FIXME("%p\n",WaitHandle);
 269     return FALSE;
 270 }
 271
 272 /***********************************************************************
 273  *           UnregisterWaitEx   (KERNEL32.@)
 274  */
 275 BOOL WINAPI UnregisterWaitEx( HANDLE WaitHandle, HANDLE CompletionEvent )
 276 {
 277     FIXME("%p %p\n",WaitHandle, CompletionEvent);
 278     return FALSE;
 279 }
 280
 281 /***********************************************************************
 282  *           SignalObjectAndWait  (KERNEL32.@)
 283  *
 284  * Allows to atomically signal any of the synchro objects (semaphore,
 285  * mutex, event) and wait on another.
 286  */
 287 DWORD WINAPI SignalObjectAndWait( HANDLE hObjectToSignal, HANDLE hObjectToWaitOn,
 288                                   DWORD dwMilliseconds, BOOL bAlertable )
 289 {
 290     NTSTATUS status;
 291     LARGE_INTEGER timeout, *ptimeout = NULL;
 292
 293     TRACE("%p %p %ld %d\n", hObjectToSignal,
 294           hObjectToWaitOn, dwMilliseconds, bAlertable);
 295
 296     if (dwMilliseconds != INFINITE)
 297     {
 298         timeout.QuadPart = dwMilliseconds * (ULONGLONG)10000;
 299         timeout.QuadPart = -timeout.QuadPart;
 300         ptimeout = &timeout;
 301     }
 302
 303     status = NtSignalAndWaitForSingleObject( hObjectToSignal, hObjectToWaitOn,
 304                                              bAlertable, ptimeout );
 305     if (HIWORD(status))
 306     {
 307         SetLastError( RtlNtStatusToDosError(status) );
 308         status = WAIT_FAILED;
 309     }
 310     return status;
 311 }
 312
 313 /***********************************************************************
 314  *           InitializeCriticalSection   (KERNEL32.@)
 315  *
 316  * Initialise a critical section before use.
 317  *
 318  * PARAMS
 319  *  crit [O] Critical section to initialise.
 320  *
 321  * RETURNS
 322  *  Nothing. If the function fails an exception is raised.
 323  */
 324 void WINAPI InitializeCriticalSection( CRITICAL_SECTION *crit )
 325 {
 326     NTSTATUS ret = RtlInitializeCriticalSection( crit );
 327     if (ret) RtlRaiseStatus( ret );
 328 }
 329
 330 /***********************************************************************
 331  *           InitializeCriticalSectionAndSpinCount   (KERNEL32.@)
 332  *
 333  * Initialise a critical section with a spin count.
 334  *
 335  * PARAMS
 336  *  crit      [O] Critical section to initialise.
 337  *  spincount [I] Number of times to spin upon contention.
 338  *
 339  * RETURNS
 340  *  Success: TRUE.
 341  *  Failure: Nothing. If the function fails an exception is raised.
 342  *
 343  * NOTES
 344  *  spincount is ignored on uni-processor systems.
 345  */
 346 BOOL WINAPI InitializeCriticalSectionAndSpinCount( CRITICAL_SECTION *crit, DWORD spincount )
 347 {
 348     NTSTATUS ret = RtlInitializeCriticalSectionAndSpinCount( crit, spincount );
 349     if (ret) RtlRaiseStatus( ret );
 350     return !ret;
 351 }
 352
 353 /***********************************************************************
 354  *           MakeCriticalSectionGlobal   (KERNEL32.@)
 355  */
 356 void WINAPI MakeCriticalSectionGlobal( CRITICAL_SECTION *crit )
 357 {
 358     /* let's assume that only one thread at a time will try to do this */
 359     HANDLE sem = crit->LockSemaphore;
 360     if (!sem) NtCreateSemaphore( &sem, SEMAPHORE_ALL_ACCESS, NULL, 0, 1 );
 361     crit->LockSemaphore = ConvertToGlobalHandle( sem );
 362     if (crit->DebugInfo)
 363     {
 364         RtlFreeHeap( GetProcessHeap(), 0, crit->DebugInfo );
 365         crit->DebugInfo = NULL;
 366     }
 367 }
 368
 369
 370 /***********************************************************************
 371  *           ReinitializeCriticalSection   (KERNEL32.@)
 372  *
 373  * Initialise an already used critical section.
 374  *
 375  * PARAMS
 376  *  crit [O] Critical section to initialise.
 377  *
 378  * RETURNS
 379  *  Nothing.
 380  */
 381 void WINAPI ReinitializeCriticalSection( CRITICAL_SECTION *crit )
 382 {
 383     if ( !crit->LockSemaphore )
 384         RtlInitializeCriticalSection( crit );
 385 }
 386
 387
 388 /***********************************************************************
 389  *           UninitializeCriticalSection   (KERNEL32.@)
 390  *
 391  * UnInitialise a critical section after use.
 392  *
 393  * PARAMS
 394  *  crit [O] Critical section to uninitialise (destroy).
 395  *
 396  * RETURNS
 397  *  Nothing.
 398  */
 399 void WINAPI UninitializeCriticalSection( CRITICAL_SECTION *crit )
 400 {
 401     RtlDeleteCriticalSection( crit );
 402 }
 403
 404
 405 /***********************************************************************
 406  *           CreateEventA    (KERNEL32.@)
 407  */
 408 HANDLE WINAPI CreateEventA( SECURITY_ATTRIBUTES *sa, BOOL manual_reset,
 409                             BOOL initial_state, LPCSTR name )
 410 {
 411     WCHAR buffer[MAX_PATH];
 412
 413     if (!name) return CreateEventW( sa, manual_reset, initial_state, NULL );
 414
 415     if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
 416     {
 417         SetLastError( ERROR_FILENAME_EXCED_RANGE );
 418         return 0;
 419     }
 420     return CreateEventW( sa, manual_reset, initial_state, buffer );
 421 }
 422
 423
 424 /***********************************************************************
 425  *           CreateEventW    (KERNEL32.@)
 426  */
 427 HANDLE WINAPI CreateEventW( SECURITY_ATTRIBUTES *sa, BOOL manual_reset,
 428                             BOOL initial_state, LPCWSTR name )
 429 {
 430     HANDLE ret;
 431     UNICODE_STRING nameW;
 432     OBJECT_ATTRIBUTES attr;
 433     NTSTATUS status;
 434
 435     /* one buggy program needs this
 436      * ("Van Dale Groot woordenboek der Nederlandse taal")
 437      */
 438     if (sa && IsBadReadPtr(sa,sizeof(SECURITY_ATTRIBUTES)))
 439     {
 440         ERR("Bad security attributes pointer %p\n",sa);
 441         SetLastError( ERROR_INVALID_PARAMETER);
 442         return 0;
 443     }
 444
 445     attr.Length                   = sizeof(attr);
 446     attr.RootDirectory            = 0;
 447     attr.ObjectName               = NULL;
 448     attr.Attributes               = (sa && sa->bInheritHandle) ? OBJ_INHERIT : 0;
 449     attr.SecurityDescriptor       = sa ? sa->lpSecurityDescriptor : NULL;
 450     attr.SecurityQualityOfService = NULL;
 451     if (name)
 452     {
 453         RtlInitUnicodeString( &nameW, name );
 454         attr.ObjectName = &nameW;
 455     }
 456
 457     status = NtCreateEvent( &ret, EVENT_ALL_ACCESS, &attr, manual_reset, initial_state );
 458     SetLastError( RtlNtStatusToDosError(status) );
 459     return ret;
 460 }
 461
 462
 463 /***********************************************************************
 464  *           CreateW32Event    (KERNEL.457)
 465  */
 466 HANDLE WINAPI WIN16_CreateEvent( BOOL manual_reset, BOOL initial_state )
 467 {
 468     return CreateEventW( NULL, manual_reset, initial_state, NULL );
 469 }
 470
 471
 472 /***********************************************************************
 473  *           OpenEventA    (KERNEL32.@)
 474  */
 475 HANDLE WINAPI OpenEventA( DWORD access, BOOL inherit, LPCSTR name )
 476 {
 477     WCHAR buffer[MAX_PATH];
 478
 479     if (!name) return OpenEventW( access, inherit, NULL );
 480
 481     if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
 482     {
 483         SetLastError( ERROR_FILENAME_EXCED_RANGE );
 484         return 0;
 485     }
 486     return OpenEventW( access, inherit, buffer );
 487 }
 488
 489
 490 /***********************************************************************
 491  *           OpenEventW    (KERNEL32.@)
 492  */
 493 HANDLE WINAPI OpenEventW( DWORD access, BOOL inherit, LPCWSTR name )
 494 {
 495     HANDLE ret;
 496     UNICODE_STRING nameW;
 497     OBJECT_ATTRIBUTES attr;
 498     NTSTATUS status;
 499
 500     if (!is_version_nt()) access = EVENT_ALL_ACCESS;
 501
 502     attr.Length                   = sizeof(attr);
 503     attr.RootDirectory            = 0;
 504     attr.ObjectName               = NULL;
 505     attr.Attributes               = inherit ? OBJ_INHERIT : 0;
 506     attr.SecurityDescriptor       = NULL;
 507     attr.SecurityQualityOfService = NULL;
 508     if (name)
 509     {
 510         RtlInitUnicodeString( &nameW, name );
 511         attr.ObjectName = &nameW;
 512     }
 513
 514     status = NtOpenEvent( &ret, access, &attr );
 515     if (status != STATUS_SUCCESS)
 516     {
 517         SetLastError( RtlNtStatusToDosError(status) );
 518         return 0;
 519     }
 520     return ret;
 521 }
 522
 523 /***********************************************************************
 524  *           PulseEvent    (KERNEL32.@)
 525  */
 526 BOOL WINAPI PulseEvent( HANDLE handle )
 527 {
 528     NTSTATUS status;
 529
 530     if ((status = NtPulseEvent( handle, NULL )))
 531         SetLastError( RtlNtStatusToDosError(status) );
 532     return !status;
 533 }
 534
 535
 536 /***********************************************************************
 537  *           SetW32Event (KERNEL.458)
 538  *           SetEvent    (KERNEL32.@)
 539  */
 540 BOOL WINAPI SetEvent( HANDLE handle )
 541 {
 542     NTSTATUS status;
 543
 544     if ((status = NtSetEvent( handle, NULL )))
 545         SetLastError( RtlNtStatusToDosError(status) );
 546     return !status;
 547 }
 548
 549
 550 /***********************************************************************
 551  *           ResetW32Event (KERNEL.459)
 552  *           ResetEvent    (KERNEL32.@)
 553  */
 554 BOOL WINAPI ResetEvent( HANDLE handle )
 555 {
 556     NTSTATUS status;
 557
 558     if ((status = NtResetEvent( handle, NULL )))
 559         SetLastError( RtlNtStatusToDosError(status) );
 560     return !status;
 561 }
 562
 563
 564 /***********************************************************************
 565  * NOTE: The Win95 VWin32_Event routines given below are really low-level
 566  *       routines implemented directly by VWin32. The user-mode libraries
 567  *       implement Win32 synchronisation routines on top of these low-level
 568  *       primitives. We do it the other way around here :-)
 569  */
 570
 571 /***********************************************************************
 572  *       VWin32_EventCreate     (KERNEL.442)
 573  */
 574 HANDLE WINAPI VWin32_EventCreate(VOID)
 575 {
 576     HANDLE hEvent = CreateEventW( NULL, FALSE, 0, NULL );
 577     return ConvertToGlobalHandle( hEvent );
 578 }
 579
 580 /***********************************************************************
 581  *       VWin32_EventDestroy    (KERNEL.443)
 582  */
 583 VOID WINAPI VWin32_EventDestroy(HANDLE event)
 584 {
 585     CloseHandle( event );
 586 }
 587
 588 /***********************************************************************
 589  *       VWin32_EventWait       (KERNEL.450)
 590  */
 591 VOID WINAPI VWin32_EventWait(HANDLE event)
 592 {
 593     DWORD mutex_count;
 594
 595     ReleaseThunkLock( &mutex_count );
 596     WaitForSingleObject( event, INFINITE );
 597     RestoreThunkLock( mutex_count );
 598 }
 599
 600 /***********************************************************************
 601  *       VWin32_EventSet        (KERNEL.451)
 602  *       KERNEL_479             (KERNEL.479)
 603  */
 604 VOID WINAPI VWin32_EventSet(HANDLE event)
 605 {
 606     SetEvent( event );
 607 }
 608
 609
 610
 611 /***********************************************************************
 612  *           CreateMutexA   (KERNEL32.@)
 613  */
 614 HANDLE WINAPI CreateMutexA( SECURITY_ATTRIBUTES *sa, BOOL owner, LPCSTR name )
 615 {
 616     WCHAR buffer[MAX_PATH];
 617
 618     if (!name) return CreateMutexW( sa, owner, NULL );
 619
 620     if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
 621     {
 622         SetLastError( ERROR_FILENAME_EXCED_RANGE );
 623         return 0;
 624     }
 625     return CreateMutexW( sa, owner, buffer );
 626 }
 627
 628
 629 /***********************************************************************
 630  *           CreateMutexW   (KERNEL32.@)
 631  */
 632 HANDLE WINAPI CreateMutexW( SECURITY_ATTRIBUTES *sa, BOOL owner, LPCWSTR name )
 633 {
 634     HANDLE ret;
 635     UNICODE_STRING nameW;
 636     OBJECT_ATTRIBUTES attr;
 637     NTSTATUS status;
 638
 639     attr.Length                   = sizeof(attr);
 640     attr.RootDirectory            = 0;
 641     attr.ObjectName               = NULL;
 642     attr.Attributes               = (sa && sa->bInheritHandle) ? OBJ_INHERIT : 0;
 643     attr.SecurityDescriptor       = sa ? sa->lpSecurityDescriptor : NULL;
 644     attr.SecurityQualityOfService = NULL;
 645     if (name)
 646     {
 647         RtlInitUnicodeString( &nameW, name );
 648         attr.ObjectName = &nameW;
 649     }
 650
 651     status = NtCreateMutant( &ret, MUTEX_ALL_ACCESS, &attr, owner );
 652     SetLastError( RtlNtStatusToDosError(status) );
 653     return ret;
 654 }
 655
 656
 657 /***********************************************************************
 658  *           OpenMutexA   (KERNEL32.@)
 659  */
 660 HANDLE WINAPI OpenMutexA( DWORD access, BOOL inherit, LPCSTR name )
 661 {
 662     WCHAR buffer[MAX_PATH];
 663
 664     if (!name) return OpenMutexW( access, inherit, NULL );
 665
 666     if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
 667     {
 668         SetLastError( ERROR_FILENAME_EXCED_RANGE );
 669         return 0;
 670     }
 671     return OpenMutexW( access, inherit, buffer );
 672 }
 673
 674
 675 /***********************************************************************
 676  *           OpenMutexW   (KERNEL32.@)
 677  */
 678 HANDLE WINAPI OpenMutexW( DWORD access, BOOL inherit, LPCWSTR name )
 679 {
 680     HANDLE ret;
 681     UNICODE_STRING nameW;
 682     OBJECT_ATTRIBUTES attr;
 683     NTSTATUS status;
 684
 685     if (!is_version_nt()) access = MUTEX_ALL_ACCESS;
 686
 687     attr.Length                   = sizeof(attr);
 688     attr.RootDirectory            = 0;
 689     attr.ObjectName               = NULL;
 690     attr.Attributes               = inherit ? OBJ_INHERIT : 0;
 691     attr.SecurityDescriptor       = NULL;
 692     attr.SecurityQualityOfService = NULL;
 693     if (name)
 694     {
 695         RtlInitUnicodeString( &nameW, name );
 696         attr.ObjectName = &nameW;
 697     }
 698
 699     status = NtOpenMutant( &ret, access, &attr );
 700     if (status != STATUS_SUCCESS)
 701     {
 702         SetLastError( RtlNtStatusToDosError(status) );
 703         return 0;
 704     }
 705     return ret;
 706 }
 707
 708
 709 /***********************************************************************
 710  *           ReleaseMutex   (KERNEL32.@)
 711  */
 712 BOOL WINAPI ReleaseMutex( HANDLE handle )
 713 {
 714     NTSTATUS    status;
 715
 716     status = NtReleaseMutant(handle, NULL);
 717     if (status != STATUS_SUCCESS)
 718     {
 719         SetLastError( RtlNtStatusToDosError(status) );
 720         return FALSE;
 721     }
 722     return TRUE;
 723 }
 724
 725
 726 /*
 727  * Semaphores
 728  */
 729
 730
 731 /***********************************************************************
 732  *           CreateSemaphoreA   (KERNEL32.@)
 733  */
 734 HANDLE WINAPI CreateSemaphoreA( SECURITY_ATTRIBUTES *sa, LONG initial, LONG max, LPCSTR name )
 735 {
 736     WCHAR buffer[MAX_PATH];
 737
 738     if (!name) return CreateSemaphoreW( sa, initial, max, NULL );
 739
 740     if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
 741     {
 742         SetLastError( ERROR_FILENAME_EXCED_RANGE );
 743         return 0;
 744     }
 745     return CreateSemaphoreW( sa, initial, max, buffer );
 746 }
 747
 748
 749 /***********************************************************************
 750  *           CreateSemaphoreW   (KERNEL32.@)
 751  */
 752 HANDLE WINAPI CreateSemaphoreW( SECURITY_ATTRIBUTES *sa, LONG initial,
 753                                 LONG max, LPCWSTR name )
 754 {
 755     HANDLE ret;
 756     UNICODE_STRING nameW;
 757     OBJECT_ATTRIBUTES attr;
 758     NTSTATUS status;
 759
 760     attr.Length                   = sizeof(attr);
 761     attr.RootDirectory            = 0;
 762     attr.ObjectName               = NULL;
 763     attr.Attributes               = (sa && sa->bInheritHandle) ? OBJ_INHERIT : 0;
 764     attr.SecurityDescriptor       = sa ? sa->lpSecurityDescriptor : NULL;
 765     attr.SecurityQualityOfService = NULL;
 766     if (name)
 767     {
 768         RtlInitUnicodeString( &nameW, name );
 769         attr.ObjectName = &nameW;
 770     }
 771
 772     status = NtCreateSemaphore( &ret, SEMAPHORE_ALL_ACCESS, &attr, initial, max );
 773     SetLastError( RtlNtStatusToDosError(status) );
 774     return ret;
 775 }
 776
 777
 778 /***********************************************************************
 779  *           OpenSemaphoreA   (KERNEL32.@)
 780  */
 781 HANDLE WINAPI OpenSemaphoreA( DWORD access, BOOL inherit, LPCSTR name )
 782 {
 783     WCHAR buffer[MAX_PATH];
 784
 785     if (!name) return OpenSemaphoreW( access, inherit, NULL );
 786
 787     if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
 788     {
 789         SetLastError( ERROR_FILENAME_EXCED_RANGE );
 790         return 0;
 791     }
 792     return OpenSemaphoreW( access, inherit, buffer );
 793 }
 794
 795
 796 /***********************************************************************
 797  *           OpenSemaphoreW   (KERNEL32.@)
 798  */
 799 HANDLE WINAPI OpenSemaphoreW( DWORD access, BOOL inherit, LPCWSTR name )
 800 {
 801     HANDLE ret;
 802     UNICODE_STRING nameW;
 803     OBJECT_ATTRIBUTES attr;
 804     NTSTATUS status;
 805
 806     if (!is_version_nt()) access = SEMAPHORE_ALL_ACCESS;
 807
 808     attr.Length                   = sizeof(attr);
 809     attr.RootDirectory            = 0;
 810     attr.ObjectName               = NULL;
 811     attr.Attributes               = inherit ? OBJ_INHERIT : 0;
 812     attr.SecurityDescriptor       = NULL;
 813     attr.SecurityQualityOfService = NULL;
 814     if (name)
 815     {
 816         RtlInitUnicodeString( &nameW, name );
 817         attr.ObjectName = &nameW;
 818     }
 819
 820     status = NtOpenSemaphore( &ret, access, &attr );
 821     if (status != STATUS_SUCCESS)
 822     {
 823         SetLastError( RtlNtStatusToDosError(status) );
 824         return 0;
 825     }
 826     return ret;
 827 }
 828
 829
 830 /***********************************************************************
 831  *           ReleaseSemaphore   (KERNEL32.@)
 832  */
 833 BOOL WINAPI ReleaseSemaphore( HANDLE handle, LONG count, LONG *previous )
 834 {
 835     NTSTATUS status = NtReleaseSemaphore( handle, count, previous );
 836     if (status) SetLastError( RtlNtStatusToDosError(status) );
 837     return !status;
 838 }
 839
 840
 841 /*
 842  * Timers
 843  */
 844
 845
 846 /***********************************************************************
 847  *           CreateWaitableTimerA    (KERNEL32.@)
 848  */
 849 HANDLE WINAPI CreateWaitableTimerA( SECURITY_ATTRIBUTES *sa, BOOL manual, LPCSTR name )
 850 {
 851     WCHAR buffer[MAX_PATH];
 852
 853     if (!name) return CreateWaitableTimerW( sa, manual, NULL );
 854
 855     if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
 856     {
 857         SetLastError( ERROR_FILENAME_EXCED_RANGE );
 858         return 0;
 859     }
 860     return CreateWaitableTimerW( sa, manual, buffer );
 861 }
 862
 863
 864 /***********************************************************************
 865  *           CreateWaitableTimerW    (KERNEL32.@)
 866  */
 867 HANDLE WINAPI CreateWaitableTimerW( SECURITY_ATTRIBUTES *sa, BOOL manual, LPCWSTR name )
 868 {
 869     HANDLE handle;
 870     NTSTATUS status;
 871     UNICODE_STRING nameW;
 872     OBJECT_ATTRIBUTES attr;
 873
 874     attr.Length                   = sizeof(attr);
 875     attr.RootDirectory            = 0;
 876     attr.ObjectName               = NULL;
 877     attr.Attributes               = (sa && sa->bInheritHandle) ? OBJ_INHERIT : 0;
 878     attr.SecurityDescriptor       = sa ? sa->lpSecurityDescriptor : NULL;
 879     attr.SecurityQualityOfService = NULL;
 880     if (name)
 881     {
 882         RtlInitUnicodeString( &nameW, name );
 883         attr.ObjectName = &nameW;
 884     }
 885
 886     status = NtCreateTimer(&handle, TIMER_ALL_ACCESS, &attr,
 887                            manual ? NotificationTimer : SynchronizationTimer);
 888     SetLastError( RtlNtStatusToDosError(status) );
 889     return handle;
 890 }
 891
 892
 893 /***********************************************************************
 894  *           OpenWaitableTimerA    (KERNEL32.@)
 895  */
 896 HANDLE WINAPI OpenWaitableTimerA( DWORD access, BOOL inherit, LPCSTR name )
 897 {
 898     WCHAR buffer[MAX_PATH];
 899
 900     if (!name) return OpenWaitableTimerW( access, inherit, NULL );
 901
 902     if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
 903     {
 904         SetLastError( ERROR_FILENAME_EXCED_RANGE );
 905         return 0;
 906     }
 907     return OpenWaitableTimerW( access, inherit, buffer );
 908 }
 909
 910
 911 /***********************************************************************
 912  *           OpenWaitableTimerW    (KERNEL32.@)
 913  */
 914 HANDLE WINAPI OpenWaitableTimerW( DWORD access, BOOL inherit, LPCWSTR name )
 915 {
 916     HANDLE handle;
 917     UNICODE_STRING nameW;
 918     OBJECT_ATTRIBUTES attr;
 919     NTSTATUS status;
 920
 921     if (!is_version_nt()) access = TIMER_ALL_ACCESS;
 922
 923     attr.Length                   = sizeof(attr);
 924     attr.RootDirectory            = 0;
 925     attr.ObjectName               = NULL;
 926     attr.Attributes               = inherit ? OBJ_INHERIT : 0;
 927     attr.SecurityDescriptor       = NULL;
 928     attr.SecurityQualityOfService = NULL;
 929     if (name)
 930     {
 931         RtlInitUnicodeString( &nameW, name );
 932         attr.ObjectName = &nameW;
 933     }
 934
 935     status = NtOpenTimer(&handle, access, &attr);
 936     if (status != STATUS_SUCCESS)
 937     {
 938         SetLastError( RtlNtStatusToDosError(status) );
 939         return 0;
 940     }
 941     return handle;
 942 }
 943
 944
 945 /***********************************************************************
 946  *           SetWaitableTimer    (KERNEL32.@)
 947  */
 948 BOOL WINAPI SetWaitableTimer( HANDLE handle, const LARGE_INTEGER *when, LONG period,
 949                               PTIMERAPCROUTINE callback, LPVOID arg, BOOL resume )
 950 {
 951     NTSTATUS status = NtSetTimer(handle, when, callback, arg, resume, period, NULL);
 952
 953     if (status != STATUS_SUCCESS)
 954     {
 955         SetLastError( RtlNtStatusToDosError(status) );
 956         if (status != STATUS_TIMER_RESUME_IGNORED) return FALSE;
 957     }
 958     return TRUE;
 959 }
 960
 961
 962 /***********************************************************************
 963  *           CancelWaitableTimer    (KERNEL32.@)
 964  */
 965 BOOL WINAPI CancelWaitableTimer( HANDLE handle )
 966 {
 967     NTSTATUS status;
 968
 969     status = NtCancelTimer(handle, NULL);
 970     if (status != STATUS_SUCCESS)
 971     {
 972         SetLastError( RtlNtStatusToDosError(status) );
 973         return FALSE;
 974     }
 975     return TRUE;
 976 }
 977
 978
 979 /***********************************************************************
 980  *           CreateTimerQueue  (KERNEL32.@)
 981  */
 982 HANDLE WINAPI CreateTimerQueue(void)
 983 {
 984     FIXME("stub\n");
 985     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
 986     return NULL;
 987 }
 988
 989
 990 /***********************************************************************
 991  *           DeleteTimerQueueEx  (KERNEL32.@)
 992  */
 993 BOOL WINAPI DeleteTimerQueueEx(HANDLE TimerQueue, HANDLE CompletionEvent)
 994 {
 995     FIXME("(%p, %p): stub\n", TimerQueue, CompletionEvent);
 996     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
 997     return 0;
 998 }
 999
1000 /***********************************************************************
1001  *           CreateTimerQueueTimer  (KERNEL32.@)
1002  *
1003  * Creates a timer-queue timer. This timer expires at the specified due
1004  * time (in ms), then after every specified period (in ms). When the timer
1005  * expires, the callback function is called.
1006  *
1007  * RETURNS
1008  *   nonzero on success or zero on faillure
1009  *
1010  * BUGS
1011  *   Unimplemented
1012  */
1013 BOOL WINAPI CreateTimerQueueTimer( PHANDLE phNewTimer, HANDLE TimerQueue,
1014                                    WAITORTIMERCALLBACK Callback, PVOID Parameter,
1015                                    DWORD DueTime, DWORD Period, ULONG Flags )
1016 {
1017     FIXME("stub\n");
1018     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1019     return TRUE;
1020 }
1021
1022 /***********************************************************************
1023  *           DeleteTimerQueueTimer  (KERNEL32.@)
1024  *
1025  * Cancels a timer-queue timer.
1026  *
1027  * RETURNS
1028  *   nonzero on success or zero on faillure
1029  *
1030  * BUGS
1031  *   Unimplemented
1032  */
1033 BOOL WINAPI DeleteTimerQueueTimer( HANDLE TimerQueue, HANDLE Timer,
1034                                    HANDLE CompletionEvent )
1035 {
1036     FIXME("stub\n");
1037     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1038     return TRUE;
1039 }
1040
1041
1042 /*
1043  * Pipes
1044  */
1045
1046
1047 /***********************************************************************
1048  *           CreateNamedPipeA   (KERNEL32.@)
1049  */
1050 HANDLE WINAPI CreateNamedPipeA( LPCSTR name, DWORD dwOpenMode,
1051                                 DWORD dwPipeMode, DWORD nMaxInstances,
1052                                 DWORD nOutBufferSize, DWORD nInBufferSize,
1053                                 DWORD nDefaultTimeOut, LPSECURITY_ATTRIBUTES attr )
1054 {
1055     WCHAR buffer[MAX_PATH];
1056
1057     if (!name) return CreateNamedPipeW( NULL, dwOpenMode, dwPipeMode, nMaxInstances,
1058                                         nOutBufferSize, nInBufferSize, nDefaultTimeOut, attr );
1059
1060     if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
1061     {
1062         SetLastError( ERROR_FILENAME_EXCED_RANGE );
1063         return INVALID_HANDLE_VALUE;
1064     }
1065     return CreateNamedPipeW( buffer, dwOpenMode, dwPipeMode, nMaxInstances,
1066                              nOutBufferSize, nInBufferSize, nDefaultTimeOut, attr );
1067 }
1068
1069
1070 /***********************************************************************
1071  *           CreateNamedPipeW   (KERNEL32.@)
1072  */
1073 HANDLE WINAPI CreateNamedPipeW( LPCWSTR name, DWORD dwOpenMode,
1074                                 DWORD dwPipeMode, DWORD nMaxInstances,
1075                                 DWORD nOutBufferSize, DWORD nInBufferSize,
1076                                 DWORD nDefaultTimeOut, LPSECURITY_ATTRIBUTES sa )
1077 {
1078     HANDLE handle;
1079     UNICODE_STRING nt_name;
1080     OBJECT_ATTRIBUTES attr;
1081     DWORD options;
1082     BOOLEAN pipe_type, read_mode, non_block;
1083     NTSTATUS status;
1084     IO_STATUS_BLOCK iosb;
1085     LARGE_INTEGER timeout;
1086
1087     TRACE("(%s, %#08lx, %#08lx, %ld, %ld, %ld, %ld, %p)\n",
1088           debugstr_w(name), dwOpenMode, dwPipeMode, nMaxInstances,
1089           nOutBufferSize, nInBufferSize, nDefaultTimeOut, sa );
1090
1091     if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
1092     {
1093         SetLastError( ERROR_PATH_NOT_FOUND );
1094         return INVALID_HANDLE_VALUE;
1095     }
1096     if (nt_name.Length >= MAX_PATH * sizeof(WCHAR) )
1097     {
1098         SetLastError( ERROR_FILENAME_EXCED_RANGE );
1099         RtlFreeUnicodeString( &nt_name );
1100         return INVALID_HANDLE_VALUE;
1101     }
1102
1103     attr.Length                   = sizeof(attr);
1104     attr.RootDirectory            = 0;
1105     attr.ObjectName               = &nt_name;
1106     attr.Attributes               = (sa && sa->bInheritHandle) ? OBJ_INHERIT : 0;
1107     attr.SecurityDescriptor       = sa ? sa->lpSecurityDescriptor : NULL;
1108     attr.SecurityQualityOfService = NULL;
1109
1110     options = 0;
1111     if (dwOpenMode & FILE_FLAG_WRITE_THROUGH) options |= FILE_WRITE_THROUGH;
1112     if (!(dwOpenMode & FILE_FLAG_OVERLAPPED)) options |= FILE_SYNCHRONOUS_IO_ALERT;
1113     if ((dwOpenMode & PIPE_ACCESS_DUPLEX) == PIPE_ACCESS_DUPLEX)
1114         options |= FILE_PIPE_FULL_DUPLEX;
1115     else if (dwOpenMode & PIPE_ACCESS_INBOUND) options |= FILE_PIPE_INBOUND;
1116     else if (dwOpenMode & PIPE_ACCESS_OUTBOUND) options |= FILE_PIPE_OUTBOUND;
1117     pipe_type = (dwPipeMode & PIPE_TYPE_MESSAGE) ? TRUE : FALSE;
1118     read_mode = (dwPipeMode & PIPE_READMODE_MESSAGE) ? TRUE : FALSE;
1119     non_block = (dwPipeMode & PIPE_NOWAIT) ? TRUE : FALSE;
1120     if (nMaxInstances >= PIPE_UNLIMITED_INSTANCES) nMaxInstances = ~0UL;
1121
1122     timeout.QuadPart = (ULONGLONG)nDefaultTimeOut * -10000;
1123
1124     SetLastError(0);
1125
1126     status = NtCreateNamedPipeFile(&handle, 0, &attr, &iosb, 0, FILE_OVERWRITE_IF,
1127                                    options, pipe_type, read_mode, non_block,
1128                                    nMaxInstances, nInBufferSize, nOutBufferSize,
1129                                    &timeout);
1130
1131     RtlFreeUnicodeString( &nt_name );
1132     if (status)
1133     {
1134         handle = INVALID_HANDLE_VALUE;
1135         SetLastError( RtlNtStatusToDosError(status) );
1136     }
1137     return handle;
1138 }
1139
1140
1141 /***********************************************************************
1142  *           PeekNamedPipe   (KERNEL32.@)
1143  */
1144 BOOL WINAPI PeekNamedPipe( HANDLE hPipe, LPVOID lpvBuffer, DWORD cbBuffer,
1145                            LPDWORD lpcbRead, LPDWORD lpcbAvail, LPDWORD lpcbMessage )
1146 {
1147 #ifdef FIONREAD
1148     int avail=0, fd, ret, flags;
1149
1150     TRACE("(%p,%p,%lu,%p,%p,%p)\n", hPipe, lpvBuffer, cbBuffer, lpcbRead, lpcbAvail, lpcbMessage);
1151
1152     ret = wine_server_handle_to_fd( hPipe, GENERIC_READ, &fd, &flags );
1153     if (ret)
1154     {
1155         SetLastError( RtlNtStatusToDosError(ret) );
1156         return FALSE;
1157     }
1158     if (flags & FD_FLAG_RECV_SHUTDOWN)
1159     {
1160         wine_server_release_fd( hPipe, fd );
1161         SetLastError ( ERROR_PIPE_NOT_CONNECTED );
1162         return FALSE;
1163     }
1164
1165     if (ioctl(fd,FIONREAD, &avail ) != 0)
1166     {
1167         TRACE("FIONREAD failed reason: %s\n",strerror(errno));
1168         wine_server_release_fd( hPipe, fd );
1169         return FALSE;
1170     }
1171     if (!avail)  /* check for closed pipe */
1172     {
1173         struct pollfd pollfd;
1174         pollfd.fd = fd;
1175         pollfd.events = POLLIN;
1176         pollfd.revents = 0;
1177         switch (poll( &pollfd, 1, 0 ))
1178         {
1179         case 0:
1180             break;
1181         case 1:  /* got something */
1182             if (!(pollfd.revents & (POLLHUP | POLLERR))) break;
1183             TRACE("POLLHUP | POLLERR\n");
1184             /* fall through */
1185         case -1:
1186             wine_server_release_fd( hPipe, fd );
1187             SetLastError(ERROR_BROKEN_PIPE);
1188             return FALSE;
1189         }
1190     }
1191     TRACE(" 0x%08x bytes available\n", avail );
1192     ret = TRUE;
1193     if (lpcbAvail)
1194         *lpcbAvail = avail;
1195     if (lpcbRead)
1196         *lpcbRead = 0;
1197     if (avail && lpvBuffer && cbBuffer)
1198     {
1199         int readbytes = (avail < cbBuffer) ? avail : cbBuffer;
1200         readbytes = recv(fd, lpvBuffer, readbytes, MSG_PEEK);
1201         if (readbytes < 0)
1202         {
1203             WARN("failed to peek socket (%d)\n", errno);
1204             ret = FALSE;
1205         }
1206         else if (lpcbRead)
1207             *lpcbRead = readbytes;
1208     }
1209     wine_server_release_fd( hPipe, fd );
1210     return ret;
1211 #endif /* defined(FIONREAD) */
1212
1213     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1214     FIXME("function not implemented\n");
1215     return FALSE;
1216 }
1217
1218 /***********************************************************************
1219  *           PIPE_CompletionWait   (Internal)
1220  */
1221 static void CALLBACK PIPE_CompletionWait(void *user, PIO_STATUS_BLOCK iosb, ULONG status)
1222 {
1223     LPOVERLAPPED        ovlp = (LPOVERLAPPED)user;
1224
1225     TRACE("for %p/%p, status=%08lx\n", ovlp, iosb, status);
1226
1227     if (ovlp)
1228     {
1229         ovlp->Internal = status;
1230         SetEvent(ovlp->hEvent);
1231     }
1232     TRACE("done\n");
1233 }
1234
1235 /***********************************************************************
1236  *           WaitNamedPipeA   (KERNEL32.@)
1237  */
1238 BOOL WINAPI WaitNamedPipeA (LPCSTR name, DWORD nTimeOut)
1239 {
1240     WCHAR buffer[MAX_PATH];
1241
1242     if (!name) return WaitNamedPipeW( NULL, nTimeOut );
1243
1244     if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
1245     {
1246         SetLastError( ERROR_FILENAME_EXCED_RANGE );
1247         return 0;
1248     }
1249     return WaitNamedPipeW( buffer, nTimeOut );
1250 }
1251
1252
1253 /***********************************************************************
1254  *           WaitNamedPipeW   (KERNEL32.@)
1255  */
1256 BOOL WINAPI WaitNamedPipeW (LPCWSTR name, DWORD nTimeOut)
1257 {
1258     BOOL ret;
1259     OVERLAPPED ov;
1260     UNICODE_STRING nt_name;
1261     static const WCHAR leadin[] = {'\\','?','?','\\','P','I','P','E','\\'};
1262
1263     TRACE("%s 0x%08lx\n",debugstr_w(name),nTimeOut);
1264
1265     if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
1266         return FALSE;
1267
1268     if (nt_name.Length >= MAX_PATH * sizeof(WCHAR) )
1269     {
1270         RtlFreeUnicodeString( &nt_name );
1271         return FALSE;
1272     }
1273     if (nt_name.Length < sizeof(leadin) ||
1274         strncmpiW( nt_name.Buffer, leadin, sizeof(leadin)/sizeof(leadin[0])))
1275     {
1276         RtlFreeUnicodeString( &nt_name );
1277         return FALSE;
1278     }
1279
1280     memset(&ov,0,sizeof(ov));
1281     ov.hEvent = CreateEventW( NULL, 0, 0, NULL );
1282     if (!ov.hEvent)
1283         return FALSE;
1284
1285     SERVER_START_REQ( wait_named_pipe )
1286     {
1287         req->timeout = nTimeOut;
1288         req->overlapped = &ov;
1289         req->func = PIPE_CompletionWait;
1290         wine_server_add_data( req, nt_name.Buffer + 4, nt_name.Length - 4*sizeof(WCHAR) );
1291         ret = !wine_server_call_err( req );
1292     }
1293     SERVER_END_REQ;
1294
1295     RtlFreeUnicodeString( &nt_name );
1296
1297     if(ret)
1298     {
1299         if (WAIT_OBJECT_0==WaitForSingleObject(ov.hEvent,INFINITE))
1300         {
1301             SetLastError(RtlNtStatusToDosError(ov.Internal));
1302             ret = (ov.Internal==STATUS_SUCCESS);
1303         }
1304     }
1305     CloseHandle(ov.hEvent);
1306     return ret;
1307 }
1308
1309
1310 /***********************************************************************
1311  *           ConnectNamedPipe   (KERNEL32.@)
1312  */
1313 BOOL WINAPI ConnectNamedPipe(HANDLE hPipe, LPOVERLAPPED overlapped)
1314 {
1315     BOOL                ret;
1316     LPOVERLAPPED        pov;
1317     OVERLAPPED          ov;
1318
1319     TRACE("(%p,%p)\n", hPipe, overlapped);
1320
1321     if (!overlapped)
1322     {
1323         memset(&ov, 0, sizeof(ov));
1324         ov.hEvent = CreateEventW(NULL, 0, 0, NULL);
1325         if (!ov.hEvent) return FALSE;
1326         pov = &ov;
1327     }
1328     else pov = overlapped;
1329
1330     pov->Internal = STATUS_PENDING;
1331
1332     SERVER_START_REQ( connect_named_pipe )
1333     {
1334         req->handle = hPipe;
1335         req->overlapped = pov;
1336         req->func = PIPE_CompletionWait;
1337         ret = !wine_server_call_err( req );
1338     }
1339     SERVER_END_REQ;
1340
1341     if (ret)
1342     {
1343         if (overlapped)
1344         {
1345             SetLastError( ERROR_IO_PENDING );
1346             ret = FALSE;
1347         }
1348         else
1349         {
1350             ret = GetOverlappedResult(hPipe, &ov, NULL, TRUE);
1351             CloseHandle(ov.hEvent);
1352         }
1353     }
1354
1355     return ret;
1356 }
1357
1358 /***********************************************************************
1359  *           DisconnectNamedPipe   (KERNEL32.@)
1360  */
1361 BOOL WINAPI DisconnectNamedPipe(HANDLE hPipe)
1362 {
1363     BOOL ret;
1364
1365     TRACE("(%p)\n",hPipe);
1366
1367     SERVER_START_REQ( disconnect_named_pipe )
1368     {
1369         req->handle = hPipe;
1370         ret = !wine_server_call_err( req );
1371         if (ret && reply->fd != -1) close( reply->fd );
1372     }
1373     SERVER_END_REQ;
1374
1375     return ret;
1376 }
1377
1378 /***********************************************************************
1379  *           TransactNamedPipe   (KERNEL32.@)
1380  *
1381  * BUGS
1382  *  should be done as a single operation in the wineserver or kernel
1383  */
1384 BOOL WINAPI TransactNamedPipe(
1385     HANDLE handle, LPVOID lpInput, DWORD dwInputSize, LPVOID lpOutput,
1386     DWORD dwOutputSize, LPDWORD lpBytesRead, LPOVERLAPPED lpOverlapped)
1387 {
1388     BOOL r;
1389     DWORD count;
1390
1391     TRACE("%p %p %ld %p %ld %p %p\n",
1392           handle, lpInput, dwInputSize, lpOutput,
1393           dwOutputSize, lpBytesRead, lpOverlapped);
1394
1395     if (lpOverlapped)
1396     {
1397         FIXME("Doesn't support overlapped operation as yet\n");
1398         return FALSE;
1399     }
1400
1401     r = WriteFile(handle, lpOutput, dwOutputSize, &count, NULL);
1402     if (r)
1403         r = ReadFile(handle, lpInput, dwInputSize, lpBytesRead, NULL);
1404
1405     return r;
1406 }
1407
1408 /***********************************************************************
1409  *           GetNamedPipeInfo   (KERNEL32.@)
1410  */
1411 BOOL WINAPI GetNamedPipeInfo(
1412     HANDLE hNamedPipe, LPDWORD lpFlags, LPDWORD lpOutputBufferSize,
1413     LPDWORD lpInputBufferSize, LPDWORD lpMaxInstances)
1414 {
1415     BOOL ret;
1416
1417     TRACE("%p %p %p %p %p\n", hNamedPipe, lpFlags,
1418           lpOutputBufferSize, lpInputBufferSize, lpMaxInstances);
1419
1420     SERVER_START_REQ( get_named_pipe_info )
1421     {
1422         req->handle = hNamedPipe;
1423         ret = !wine_server_call_err( req );
1424         if (lpFlags)
1425         {
1426             *lpFlags = 0;
1427             if (reply->flags & NAMED_PIPE_MESSAGE_STREAM_WRITE)
1428                 *lpFlags |= PIPE_TYPE_MESSAGE;
1429             if (reply->flags & NAMED_PIPE_MESSAGE_STREAM_READ)
1430                 *lpFlags |= PIPE_READMODE_MESSAGE;
1431             if (reply->flags & NAMED_PIPE_NONBLOCKING_MODE)
1432                 *lpFlags |= PIPE_NOWAIT;
1433         }
1434         if (lpOutputBufferSize) *lpOutputBufferSize = reply->outsize;
1435         if (lpInputBufferSize) *lpInputBufferSize = reply->outsize;
1436         if (lpMaxInstances) *lpMaxInstances = reply->maxinstances;
1437     }
1438     SERVER_END_REQ;
1439
1440     return ret;
1441 }
1442
1443 /***********************************************************************
1444  *           GetNamedPipeHandleStateA  (KERNEL32.@)
1445  */
1446 BOOL WINAPI GetNamedPipeHandleStateA(
1447     HANDLE hNamedPipe, LPDWORD lpState, LPDWORD lpCurInstances,
1448     LPDWORD lpMaxCollectionCount, LPDWORD lpCollectDataTimeout,
1449     LPSTR lpUsername, DWORD nUsernameMaxSize)
1450 {
1451     FIXME("%p %p %p %p %p %p %ld\n",
1452           hNamedPipe, lpState, lpCurInstances,
1453           lpMaxCollectionCount, lpCollectDataTimeout,
1454           lpUsername, nUsernameMaxSize);
1455
1456     return FALSE;
1457 }
1458
1459 /***********************************************************************
1460  *           GetNamedPipeHandleStateW  (KERNEL32.@)
1461  */
1462 BOOL WINAPI GetNamedPipeHandleStateW(
1463     HANDLE hNamedPipe, LPDWORD lpState, LPDWORD lpCurInstances,
1464     LPDWORD lpMaxCollectionCount, LPDWORD lpCollectDataTimeout,
1465     LPWSTR lpUsername, DWORD nUsernameMaxSize)
1466 {
1467     FIXME("%p %p %p %p %p %p %ld\n",
1468           hNamedPipe, lpState, lpCurInstances,
1469           lpMaxCollectionCount, lpCollectDataTimeout,
1470           lpUsername, nUsernameMaxSize);
1471
1472     return FALSE;
1473 }
1474
1475 /***********************************************************************
1476  *           SetNamedPipeHandleState  (KERNEL32.@)
1477  */
1478 BOOL WINAPI SetNamedPipeHandleState(
1479     HANDLE hNamedPipe, LPDWORD lpMode, LPDWORD lpMaxCollectionCount,
1480     LPDWORD lpCollectDataTimeout)
1481 {
1482     FIXME("%p %p %p %p\n",
1483           hNamedPipe, lpMode, lpMaxCollectionCount, lpCollectDataTimeout);
1484     return FALSE;
1485 }
1486
1487 /***********************************************************************
1488  *           CallNamedPipeA  (KERNEL32.@)
1489  */
1490 BOOL WINAPI CallNamedPipeA(
1491     LPCSTR lpNamedPipeName, LPVOID lpInput, DWORD dwInputSize,
1492     LPVOID lpOutput, DWORD dwOutputSize,
1493     LPDWORD lpBytesRead, DWORD nTimeout)
1494 {
1495     DWORD len;
1496     LPWSTR str = NULL;
1497     BOOL ret;
1498
1499     TRACE("%s %p %ld %p %ld %p %ld\n",
1500            debugstr_a(lpNamedPipeName), lpInput, dwInputSize,
1501            lpOutput, dwOutputSize, lpBytesRead, nTimeout);
1502
1503     if( lpNamedPipeName )
1504     {
1505         len = MultiByteToWideChar( CP_ACP, 0, lpNamedPipeName, -1, NULL, 0 );
1506         str = HeapAlloc( GetProcessHeap(), 0, len*sizeof(WCHAR) );
1507         MultiByteToWideChar( CP_ACP, 0, lpNamedPipeName, -1, str, len );
1508     }
1509     ret = CallNamedPipeW( str, lpInput, dwInputSize, lpOutput,
1510                           dwOutputSize, lpBytesRead, nTimeout );
1511     if( lpNamedPipeName )
1512         HeapFree( GetProcessHeap(), 0, str );
1513
1514     return ret;
1515 }
1516
1517 /***********************************************************************
1518  *           CallNamedPipeW  (KERNEL32.@)
1519  */
1520 BOOL WINAPI CallNamedPipeW(
1521     LPCWSTR lpNamedPipeName, LPVOID lpInput, DWORD lpInputSize,
1522     LPVOID lpOutput, DWORD lpOutputSize,
1523     LPDWORD lpBytesRead, DWORD nTimeout)
1524 {
1525     FIXME("%s %p %ld %p %ld %p %ld\n",
1526            debugstr_w(lpNamedPipeName), lpInput, lpInputSize,
1527            lpOutput, lpOutputSize, lpBytesRead, nTimeout);
1528     return FALSE;
1529 }
1530
1531 /******************************************************************
1532  *              CreatePipe (KERNEL32.@)
1533  *
1534  */
1535 BOOL WINAPI CreatePipe( PHANDLE hReadPipe, PHANDLE hWritePipe,
1536                         LPSECURITY_ATTRIBUTES sa, DWORD size )
1537 {
1538     static unsigned  index = 0;
1539     WCHAR       name[64];
1540     HANDLE      hr, hw;
1541     unsigned    in_index = index;
1542
1543     *hReadPipe = *hWritePipe = INVALID_HANDLE_VALUE;
1544     /* generate a unique pipe name (system wide) */
1545     do
1546     {
1547         static const WCHAR nameFmt[] = { '\\','\\','.','\\','p','i','p','e',
1548          '\\','W','i','n','3','2','.','P','i','p','e','s','.','%','0','8','l',
1549          'u','.','%','0','8','u','\0' };
1550         snprintfW(name, sizeof(name) / sizeof(name[0]), nameFmt,
1551                   GetCurrentProcessId(), ++index);
1552         hr = CreateNamedPipeW(name, PIPE_ACCESS_INBOUND,
1553                               PIPE_TYPE_BYTE | PIPE_WAIT, 1, size, size,
1554                               NMPWAIT_USE_DEFAULT_WAIT, sa);
1555     } while (hr == INVALID_HANDLE_VALUE && index != in_index);
1556     /* from completion sakeness, I think system resources might be exhausted before this happens !! */
1557     if (hr == INVALID_HANDLE_VALUE) return FALSE;
1558
1559     hw = CreateFileW(name, GENERIC_WRITE, 0, sa, OPEN_EXISTING, 0, 0);
1560     if (hw == INVALID_HANDLE_VALUE)
1561     {
1562         CloseHandle(hr);
1563         return FALSE;
1564     }
1565
1566     *hReadPipe = hr;
1567     *hWritePipe = hw;
1568     return TRUE;
1569 }
1570
1571
1572 /******************************************************************************
1573  * CreateMailslotA [KERNEL32.@]
1574  */
1575 HANDLE WINAPI CreateMailslotA( LPCSTR lpName, DWORD nMaxMessageSize,
1576                                DWORD lReadTimeout, LPSECURITY_ATTRIBUTES sa )
1577 {
1578     DWORD len;
1579     HANDLE handle;
1580     LPWSTR name = NULL;
1581
1582     TRACE("%s %ld %ld %p\n", debugstr_a(lpName),
1583           nMaxMessageSize, lReadTimeout, sa);
1584
1585     if( lpName )
1586     {
1587         len = MultiByteToWideChar( CP_ACP, 0, lpName, -1, NULL, 0 );
1588         name = HeapAlloc( GetProcessHeap(), 0, len*sizeof(WCHAR) );
1589         MultiByteToWideChar( CP_ACP, 0, lpName, -1, name, len );
1590     }
1591
1592     handle = CreateMailslotW( name, nMaxMessageSize, lReadTimeout, sa );
1593
1594     HeapFree( GetProcessHeap(), 0, name );
1595
1596     return handle;
1597 }
1598
1599
1600 /******************************************************************************
1601  * CreateMailslotW [KERNEL32.@]
1602  *
1603  * Create a mailslot with specified name.
1604  *
1605  * PARAMS
1606  *    lpName          [I] Pointer to string for mailslot name
1607  *    nMaxMessageSize [I] Maximum message size
1608  *    lReadTimeout    [I] Milliseconds before read time-out
1609  *    sa              [I] Pointer to security structure
1610  *
1611  * RETURNS
1612  *    Success: Handle to mailslot
1613  *    Failure: INVALID_HANDLE_VALUE
1614  */
1615 HANDLE WINAPI CreateMailslotW( LPCWSTR lpName, DWORD nMaxMessageSize,
1616                                DWORD lReadTimeout, LPSECURITY_ATTRIBUTES sa )
1617 {
1618     HANDLE handle = INVALID_HANDLE_VALUE;
1619     OBJECT_ATTRIBUTES attr;
1620     UNICODE_STRING nameW;
1621     LARGE_INTEGER timeout;
1622     IO_STATUS_BLOCK iosb;
1623     NTSTATUS status;
1624
1625     TRACE("%s %ld %ld %p\n", debugstr_w(lpName),
1626           nMaxMessageSize, lReadTimeout, sa);
1627
1628     if (!RtlDosPathNameToNtPathName_U( lpName, &nameW, NULL, NULL ))
1629     {
1630         SetLastError( ERROR_PATH_NOT_FOUND );
1631         return INVALID_HANDLE_VALUE;
1632     }
1633
1634     if (nameW.Length >= MAX_PATH * sizeof(WCHAR) )
1635     {
1636         SetLastError( ERROR_FILENAME_EXCED_RANGE );
1637         RtlFreeUnicodeString( &nameW );
1638         return INVALID_HANDLE_VALUE;
1639     }
1640
1641     attr.Length = sizeof(attr);
1642     attr.RootDirectory = 0;
1643     attr.Attributes = OBJ_CASE_INSENSITIVE;
1644     attr.ObjectName = &nameW;
1645     attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
1646     attr.SecurityQualityOfService = NULL;
1647
1648     timeout.QuadPart = (ULONGLONG) lReadTimeout * -10000;
1649
1650     status = NtCreateMailslotFile( &handle, GENERIC_READ | GENERIC_WRITE, &attr,
1651                                    &iosb, 0, 0, nMaxMessageSize, &timeout );
1652     if (status)
1653     {
1654         SetLastError( RtlNtStatusToDosError(status) );
1655         handle = INVALID_HANDLE_VALUE;
1656     }
1657
1658     RtlFreeUnicodeString( &nameW );
1659     return handle;
1660 }
1661
1662
1663 /******************************************************************************
1664  * GetMailslotInfo [KERNEL32.@]
1665  *
1666  * Retrieve information about a mailslot.
1667  *
1668  * PARAMS
1669  *    hMailslot        [I] Mailslot handle
1670  *    lpMaxMessageSize [O] Address of maximum message size
1671  *    lpNextSize       [O] Address of size of next message
1672  *    lpMessageCount   [O] Address of number of messages
1673  *    lpReadTimeout    [O] Address of read time-out
1674  *
1675  * RETURNS
1676  *    Success: TRUE
1677  *    Failure: FALSE
1678  */
1679 BOOL WINAPI GetMailslotInfo( HANDLE hMailslot, LPDWORD lpMaxMessageSize,
1680                                LPDWORD lpNextSize, LPDWORD lpMessageCount,
1681                                LPDWORD lpReadTimeout )
1682 {
1683     FILE_MAILSLOT_QUERY_INFORMATION info;
1684     IO_STATUS_BLOCK iosb;
1685     NTSTATUS status;
1686
1687     TRACE("%p %p %p %p %p\n",hMailslot, lpMaxMessageSize,
1688           lpNextSize, lpMessageCount, lpReadTimeout);
1689
1690     status = NtQueryInformationFile( hMailslot, &iosb, &info, sizeof info,
1691                                      FileMailslotQueryInformation );
1692
1693     if( status != STATUS_SUCCESS )
1694     {
1695         SetLastError( RtlNtStatusToDosError(status) );
1696         return FALSE;
1697     }
1698
1699     if( lpMaxMessageSize )
1700         *lpMaxMessageSize = info.MaximumMessageSize;
1701     if( lpNextSize )
1702         *lpNextSize = info.NextMessageSize;
1703     if( lpMessageCount )
1704         *lpMessageCount = info.MessagesAvailable;
1705     if( lpReadTimeout )
1706         *lpReadTimeout = info.ReadTimeout.QuadPart / -10000;
1707
1708     return TRUE;
1709 }
1710
1711
1712 /******************************************************************************
1713  * SetMailslotInfo [KERNEL32.@]
1714  *
1715  * Set the read timeout of a mailslot.
1716  *
1717  * PARAMS
1718  *  hMailslot     [I] Mailslot handle
1719  *  dwReadTimeout [I] Timeout in milliseconds.
1720  *
1721  * RETURNS
1722  *    Success: TRUE
1723  *    Failure: FALSE
1724  */
1725 BOOL WINAPI SetMailslotInfo( HANDLE hMailslot, DWORD dwReadTimeout)
1726 {
1727     FILE_MAILSLOT_SET_INFORMATION info;
1728     IO_STATUS_BLOCK iosb;
1729     NTSTATUS status;
1730
1731     TRACE("%p %ld\n", hMailslot, dwReadTimeout);
1732
1733     info.ReadTimeout.QuadPart = dwReadTimeout * -10000;
1734     status = NtSetInformationFile( hMailslot, &iosb, &info, sizeof info,
1735                                    FileMailslotSetInformation );
1736     if( status != STATUS_SUCCESS )
1737     {
1738         SetLastError( RtlNtStatusToDosError(status) );
1739         return FALSE;
1740     }
1741     return TRUE;
1742 }
1743
1744
1745 /******************************************************************************
1746  *              CreateIoCompletionPort (KERNEL32.@)
1747  */
1748 HANDLE WINAPI CreateIoCompletionPort(HANDLE hFileHandle, HANDLE hExistingCompletionPort,
1749                                      ULONG_PTR CompletionKey, DWORD dwNumberOfConcurrentThreads)
1750 {
1751     FIXME("(%p, %p, %08lx, %08lx): stub.\n",
1752           hFileHandle, hExistingCompletionPort, CompletionKey, dwNumberOfConcurrentThreads);
1753     return NULL;
1754 }
1755
1756
1757 /******************************************************************************
1758  *              GetQueuedCompletionStatus (KERNEL32.@)
1759  */
1760 BOOL WINAPI GetQueuedCompletionStatus( HANDLE CompletionPort, LPDWORD lpNumberOfBytesTransferred,
1761                                        PULONG_PTR pCompletionKey, LPOVERLAPPED *lpOverlapped,
1762                                        DWORD dwMilliseconds )
1763 {
1764     FIXME("(%p,%p,%p,%p,%ld), stub!\n",
1765           CompletionPort,lpNumberOfBytesTransferred,pCompletionKey,lpOverlapped,dwMilliseconds);
1766     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1767     return FALSE;
1768 }
1769
1770 /******************************************************************************
1771  *              CreateJobObjectW (KERNEL32.@)
1772  */
1773 HANDLE WINAPI CreateJobObjectW( LPSECURITY_ATTRIBUTES attr, LPCWSTR name )
1774 {
1775     FIXME("%p %s\n", attr, debugstr_w(name) );
1776     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1777     return 0;
1778 }
1779
1780 /******************************************************************************
1781  *              CreateJobObjectA (KERNEL32.@)
1782  */
1783 HANDLE WINAPI CreateJobObjectA( LPSECURITY_ATTRIBUTES attr, LPCSTR name )
1784 {
1785     LPWSTR str = NULL;
1786     UINT len;
1787     HANDLE r;
1788
1789     TRACE("%p %s\n", attr, debugstr_a(name) );
1790
1791     if( name )
1792     {
1793         len = MultiByteToWideChar( CP_ACP, 0, name, -1, NULL, 0 );
1794         str = HeapAlloc( GetProcessHeap(), 0, len*sizeof(WCHAR) );
1795         if( !str )
1796         {
1797             SetLastError( ERROR_OUTOFMEMORY );
1798             return 0;
1799         }
1800         len = MultiByteToWideChar( CP_ACP, 0, name, -1, str, len );
1801     }
1802
1803     r = CreateJobObjectW( attr, str );
1804
1805     HeapFree( GetProcessHeap(), 0, str );
1806
1807     return r;
1808 }
1809
1810 /******************************************************************************
1811  *              AssignProcessToJobObject (KERNEL32.@)
1812  */
1813 BOOL WINAPI AssignProcessToJobObject( HANDLE hJob, HANDLE hProcess )
1814 {
1815     FIXME("%p %p\n", hJob, hProcess);
1816     return TRUE;
1817 }
1818
1819 #ifdef __i386__
1820
1821 /***********************************************************************
1822  *              InterlockedCompareExchange (KERNEL32.@)
1823  */
1824 /* LONG WINAPI InterlockedCompareExchange( PLONG dest, LONG xchg, LONG compare ); */
1825 __ASM_GLOBAL_FUNC(InterlockedCompareExchange,
1826                   "movl 12(%esp),%eax\n\t"
1827                   "movl 8(%esp),%ecx\n\t"
1828                   "movl 4(%esp),%edx\n\t"
1829                   "lock; cmpxchgl %ecx,(%edx)\n\t"
1830                   "ret $12")
1831
1832 /***********************************************************************
1833  *              InterlockedExchange (KERNEL32.@)
1834  */
1835 /* LONG WINAPI InterlockedExchange( PLONG dest, LONG val ); */
1836 __ASM_GLOBAL_FUNC(InterlockedExchange,
1837                   "movl 8(%esp),%eax\n\t"
1838                   "movl 4(%esp),%edx\n\t"
1839                   "lock; xchgl %eax,(%edx)\n\t"
1840                   "ret $8")
1841
1842 /***********************************************************************
1843  *              InterlockedExchangeAdd (KERNEL32.@)
1844  */
1845 /* LONG WINAPI InterlockedExchangeAdd( PLONG dest, LONG incr ); */
1846 __ASM_GLOBAL_FUNC(InterlockedExchangeAdd,
1847                   "movl 8(%esp),%eax\n\t"
1848                   "movl 4(%esp),%edx\n\t"
1849                   "lock; xaddl %eax,(%edx)\n\t"
1850                   "ret $8")
1851
1852 /***********************************************************************
1853  *              InterlockedIncrement (KERNEL32.@)
1854  */
1855 /* LONG WINAPI InterlockedIncrement( PLONG dest ); */
1856 __ASM_GLOBAL_FUNC(InterlockedIncrement,
1857                   "movl 4(%esp),%edx\n\t"
1858                   "movl $1,%eax\n\t"
1859                   "lock; xaddl %eax,(%edx)\n\t"
1860                   "incl %eax\n\t"
1861                   "ret $4")
1862
1863 /***********************************************************************
1864  *              InterlockedDecrement (KERNEL32.@)
1865  */
1866 __ASM_GLOBAL_FUNC(InterlockedDecrement,
1867                   "movl 4(%esp),%edx\n\t"
1868                   "movl $-1,%eax\n\t"
1869                   "lock; xaddl %eax,(%edx)\n\t"
1870                   "decl %eax\n\t"
1871                   "ret $4")
1872
1873 #else  /* __i386__ */
1874
1875 /***********************************************************************
1876  *              InterlockedCompareExchange (KERNEL32.@)
1877  *
1878  * Atomically swap one value with another.
1879  *
1880  * PARAMS
1881  *  dest    [I/O] The value to replace
1882  *  xchq    [I]   The value to be swapped
1883  *  compare [I]   The value to compare to dest
1884  *
1885  * RETURNS
1886  *  The resulting value of dest.
1887  *
1888  * NOTES
1889  *  dest is updated only if it is equal to compare, otherwise no swap is done.
1890  */
1891 LONG WINAPI InterlockedCompareExchange( PLONG dest, LONG xchg, LONG compare )
1892 {
1893     return interlocked_cmpxchg( dest, xchg, compare );
1894 }
1895
1896 /***********************************************************************
1897  *              InterlockedExchange (KERNEL32.@)
1898  *
1899  * Atomically swap one value with another.
1900  *
1901  * PARAMS
1902  *  dest [I/O] The value to replace
1903  *  val  [I]   The value to be swapped
1904  *
1905  * RETURNS
1906  *  The resulting value of dest.
1907  */
1908 LONG WINAPI InterlockedExchange( PLONG dest, LONG val )
1909 {
1910     return interlocked_xchg( dest, val );
1911 }
1912
1913 /***********************************************************************
1914  *              InterlockedExchangeAdd (KERNEL32.@)
1915  *
1916  * Atomically add one value to another.
1917  *
1918  * PARAMS
1919  *  dest [I/O] The value to add to
1920  *  incr [I]   The value to be added
1921  *
1922  * RETURNS
1923  *  The resulting value of dest.
1924  */
1925 LONG WINAPI InterlockedExchangeAdd( PLONG dest, LONG incr )
1926 {
1927     return interlocked_xchg_add( dest, incr );
1928 }
1929
1930 /***********************************************************************
1931  *              InterlockedIncrement (KERNEL32.@)
1932  *
1933  * Atomically increment a value.
1934  *
1935  * PARAMS
1936  *  dest [I/O] The value to increment
1937  *
1938  * RETURNS
1939  *  The resulting value of dest.
1940  */
1941 LONG WINAPI InterlockedIncrement( PLONG dest )
1942 {
1943     return interlocked_xchg_add( dest, 1 ) + 1;
1944 }
1945
1946 /***********************************************************************
1947  *              InterlockedDecrement (KERNEL32.@)
1948  *
1949  * Atomically decrement a value.
1950  *
1951  * PARAMS
1952  *  dest [I/O] The value to decrement
1953  *
1954  * RETURNS
1955  *  The resulting value of dest.
1956  */
1957 LONG WINAPI InterlockedDecrement( PLONG dest )
1958 {
1959     return interlocked_xchg_add( dest, -1 ) - 1;
1960 }
1961
1962 #endif  /* __i386__ */