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_SYS_POLL_H
  33 #include <sys/poll.h>
  34 #endif
  35 #include <stdarg.h>
  36 #include <stdio.h>
  37
  38 #include "ntstatus.h"
  39 #include "windef.h"
  40 #include "winbase.h"
  41 #include "winerror.h"
  42 #include "winnls.h"
  43
  44 #include "wine/server.h"
  45 #include "wine/unicode.h"
  46 #include "kernel_private.h"
  47 #include "file.h"
  48
  49 #include "wine/debug.h"
  50
  51 WINE_DEFAULT_DEBUG_CHANNEL(win32);
  52
  53 /* check if current version is NT or Win95 */
  54 inline static int is_version_nt(void)
  55 {
  56     return !(GetVersion() & 0x80000000);
  57 }
  58
  59
  60 /***********************************************************************
  61  *              Sleep  (KERNEL32.@)
  62  */
  63 VOID WINAPI Sleep( DWORD timeout )
  64 {
  65     SleepEx( timeout, FALSE );
  66 }
  67
  68 /******************************************************************************
  69  *              SleepEx   (KERNEL32.@)
  70  */
  71 DWORD WINAPI SleepEx( DWORD timeout, BOOL alertable )
  72 {
  73     NTSTATUS status;
  74
  75     if (timeout == INFINITE) status = NtDelayExecution( alertable, NULL );
  76     else
  77     {
  78         LARGE_INTEGER time;
  79
  80         time.QuadPart = timeout * (ULONGLONG)10000;
  81         time.QuadPart = -time.QuadPart;
  82         status = NtDelayExecution( alertable, &time );
  83     }
  84     if (status != STATUS_USER_APC) status = STATUS_SUCCESS;
  85     return status;
  86 }
  87
  88
  89 /***********************************************************************
  90  *           WaitForSingleObject   (KERNEL32.@)
  91  */
  92 DWORD WINAPI WaitForSingleObject( HANDLE handle, DWORD timeout )
  93 {
  94     return WaitForMultipleObjectsEx( 1, &handle, FALSE, timeout, FALSE );
  95 }
  96
  97
  98 /***********************************************************************
  99  *           WaitForSingleObjectEx   (KERNEL32.@)
 100  */
 101 DWORD WINAPI WaitForSingleObjectEx( HANDLE handle, DWORD timeout,
 102                                     BOOL alertable )
 103 {
 104     return WaitForMultipleObjectsEx( 1, &handle, FALSE, timeout, alertable );
 105 }
 106
 107
 108 /***********************************************************************
 109  *           WaitForMultipleObjects   (KERNEL32.@)
 110  */
 111 DWORD WINAPI WaitForMultipleObjects( DWORD count, const HANDLE *handles,
 112                                      BOOL wait_all, DWORD timeout )
 113 {
 114     return WaitForMultipleObjectsEx( count, handles, wait_all, timeout, FALSE );
 115 }
 116
 117
 118 /***********************************************************************
 119  *           WaitForMultipleObjectsEx   (KERNEL32.@)
 120  */
 121 DWORD WINAPI WaitForMultipleObjectsEx( DWORD count, const HANDLE *handles,
 122                                        BOOL wait_all, DWORD timeout,
 123                                        BOOL alertable )
 124 {
 125     NTSTATUS status;
 126     HANDLE hloc[MAXIMUM_WAIT_OBJECTS];
 127     int i;
 128
 129     if (count >= MAXIMUM_WAIT_OBJECTS)
 130     {
 131         SetLastError(ERROR_INVALID_PARAMETER);
 132         return WAIT_FAILED;
 133     }
 134     for (i = 0; i < count; i++)
 135     {
 136         if ((handles[i] == (HANDLE)STD_INPUT_HANDLE) ||
 137             (handles[i] == (HANDLE)STD_OUTPUT_HANDLE) ||
 138             (handles[i] == (HANDLE)STD_ERROR_HANDLE))
 139             hloc[i] = GetStdHandle( (DWORD)handles[i] );
 140         else
 141             hloc[i] = handles[i];
 142
 143         /* yes, even screen buffer console handles are waitable, and are
 144          * handled as a handle to the console itself !!
 145          */
 146         if (is_console_handle(hloc[i]))
 147         {
 148             if (!VerifyConsoleIoHandle(hloc[i]))
 149             {
 150                 return FALSE;
 151             }
 152             hloc[i] = GetConsoleInputWaitHandle();
 153         }
 154     }
 155
 156     if (timeout == INFINITE)
 157     {
 158         status = NtWaitForMultipleObjects( count, hloc, wait_all, alertable, NULL );
 159     }
 160     else
 161     {
 162         LARGE_INTEGER time;
 163
 164         time.QuadPart = timeout * (ULONGLONG)10000;
 165         time.QuadPart = -time.QuadPart;
 166         status = NtWaitForMultipleObjects( count, hloc, wait_all, alertable, &time );
 167     }
 168
 169     if (HIWORD(status))  /* is it an error code? */
 170     {
 171         SetLastError( RtlNtStatusToDosError(status) );
 172         status = WAIT_FAILED;
 173     }
 174     return status;
 175 }
 176
 177
 178 /***********************************************************************
 179  *           WaitForSingleObject   (KERNEL.460)
 180  */
 181 DWORD WINAPI WaitForSingleObject16( HANDLE handle, DWORD timeout )
 182 {
 183     DWORD retval, mutex_count;
 184
 185     ReleaseThunkLock( &mutex_count );
 186     retval = WaitForSingleObject( handle, timeout );
 187     RestoreThunkLock( mutex_count );
 188     return retval;
 189 }
 190
 191 /***********************************************************************
 192  *           WaitForMultipleObjects   (KERNEL.461)
 193  */
 194 DWORD WINAPI WaitForMultipleObjects16( DWORD count, const HANDLE *handles,
 195                                        BOOL wait_all, DWORD timeout )
 196 {
 197     DWORD retval, mutex_count;
 198
 199     ReleaseThunkLock( &mutex_count );
 200     retval = WaitForMultipleObjectsEx( count, handles, wait_all, timeout, FALSE );
 201     RestoreThunkLock( mutex_count );
 202     return retval;
 203 }
 204
 205 /***********************************************************************
 206  *           WaitForMultipleObjectsEx   (KERNEL.495)
 207  */
 208 DWORD WINAPI WaitForMultipleObjectsEx16( DWORD count, const HANDLE *handles,
 209                                          BOOL wait_all, DWORD timeout, BOOL alertable )
 210 {
 211     DWORD retval, mutex_count;
 212
 213     ReleaseThunkLock( &mutex_count );
 214     retval = WaitForMultipleObjectsEx( count, handles, wait_all, timeout, alertable );
 215     RestoreThunkLock( mutex_count );
 216     return retval;
 217 }
 218
 219 /***********************************************************************
 220  *           RegisterWaitForSingleObject   (KERNEL32.@)
 221  */
 222 BOOL WINAPI RegisterWaitForSingleObject(PHANDLE phNewWaitObject, HANDLE hObject,
 223                 WAITORTIMERCALLBACK Callback, PVOID Context,
 224                 ULONG dwMilliseconds, ULONG dwFlags)
 225 {
 226     FIXME("%p %p %p %p %ld %ld\n",
 227           phNewWaitObject,hObject,Callback,Context,dwMilliseconds,dwFlags);
 228     return FALSE;
 229 }
 230
 231 /***********************************************************************
 232  *           RegisterWaitForSingleObjectEx   (KERNEL32.@)
 233  */
 234 BOOL WINAPI RegisterWaitForSingleObjectEx( HANDLE hObject,
 235                 WAITORTIMERCALLBACK Callback, PVOID Context,
 236                 ULONG dwMilliseconds, ULONG dwFlags )
 237 {
 238     FIXME("%p %p %p %ld %ld\n",
 239           hObject,Callback,Context,dwMilliseconds,dwFlags);
 240     return FALSE;
 241 }
 242
 243 /***********************************************************************
 244  *           UnregisterWait   (KERNEL32.@)
 245  */
 246 BOOL WINAPI UnregisterWait( HANDLE WaitHandle )
 247 {
 248     FIXME("%p\n",WaitHandle);
 249     return FALSE;
 250 }
 251
 252 /***********************************************************************
 253  *           UnregisterWaitEx   (KERNEL32.@)
 254  */
 255 BOOL WINAPI UnregisterWaitEx( HANDLE WaitHandle, HANDLE CompletionEvent )
 256 {
 257     FIXME("%p %p\n",WaitHandle, CompletionEvent);
 258     return FALSE;
 259 }
 260
 261 /***********************************************************************
 262  *           InitializeCriticalSection   (KERNEL32.@)
 263  *
 264  * Initialise a critical section before use.
 265  *
 266  * PARAMS
 267  *  crit [O] Critical section to initialise.
 268  *
 269  * RETURNS
 270  *  Nothing. If the function fails an exception is raised.
 271  */
 272 void WINAPI InitializeCriticalSection( CRITICAL_SECTION *crit )
 273 {
 274     NTSTATUS ret = RtlInitializeCriticalSection( crit );
 275     if (ret) RtlRaiseStatus( ret );
 276 }
 277
 278 /***********************************************************************
 279  *           InitializeCriticalSectionAndSpinCount   (KERNEL32.@)
 280  *
 281  * Initialise a critical section with a spin count.
 282  *
 283  * PARAMS
 284  *  crit      [O] Critical section to initialise.
 285  *  spincount [I] Number of times to spin upon contention.
 286  *
 287  * RETURNS
 288  *  Success: TRUE.
 289  *  Failure: Nothing. If the function fails an exception is raised.
 290  *
 291  * NOTES
 292  *  spincount is ignored on uni-processor systems.
 293  */
 294 BOOL WINAPI InitializeCriticalSectionAndSpinCount( CRITICAL_SECTION *crit, DWORD spincount )
 295 {
 296     NTSTATUS ret = RtlInitializeCriticalSectionAndSpinCount( crit, spincount );
 297     if (ret) RtlRaiseStatus( ret );
 298     return !ret;
 299 }
 300
 301 /***********************************************************************
 302  *           SetCriticalSectionSpinCount   (KERNEL32.@)
 303  *
 304  * Set the spin count for a critical section.
 305  *
 306  * PARAMS
 307  *  crit      [O] Critical section to set the spin count for.
 308  *  spincount [I] Number of times to spin upon contention.
 309  *
 310  * RETURNS
 311  *  The previous spin count value of crit.
 312  *
 313  * NOTES
 314  *  This function is available on NT4SP3 or later, but not Win98.
 315  */
 316 DWORD WINAPI SetCriticalSectionSpinCount( CRITICAL_SECTION *crit, DWORD spincount )
 317 {
 318     ULONG_PTR oldspincount = crit->SpinCount;
 319     if(spincount) FIXME("critsection=%p: spincount=%ld not supported\n", crit, spincount);
 320     crit->SpinCount = spincount;
 321     return oldspincount;
 322 }
 323
 324 /***********************************************************************
 325  *           MakeCriticalSectionGlobal   (KERNEL32.@)
 326  */
 327 void WINAPI MakeCriticalSectionGlobal( CRITICAL_SECTION *crit )
 328 {
 329     /* let's assume that only one thread at a time will try to do this */
 330     HANDLE sem = crit->LockSemaphore;
 331     if (!sem) NtCreateSemaphore( &sem, SEMAPHORE_ALL_ACCESS, NULL, 0, 1 );
 332     crit->LockSemaphore = ConvertToGlobalHandle( sem );
 333     if (crit->DebugInfo)
 334     {
 335         RtlFreeHeap( GetProcessHeap(), 0, crit->DebugInfo );
 336         crit->DebugInfo = NULL;
 337     }
 338 }
 339
 340
 341 /***********************************************************************
 342  *           ReinitializeCriticalSection   (KERNEL32.@)
 343  *
 344  * Initialise an already used critical section.
 345  *
 346  * PARAMS
 347  *  crit [O] Critical section to initialise.
 348  *
 349  * RETURNS
 350  *  Nothing.
 351  */
 352 void WINAPI ReinitializeCriticalSection( CRITICAL_SECTION *crit )
 353 {
 354     if ( !crit->LockSemaphore )
 355         RtlInitializeCriticalSection( crit );
 356 }
 357
 358
 359 /***********************************************************************
 360  *           UninitializeCriticalSection   (KERNEL32.@)
 361  *
 362  * UnInitialise a critical section after use.
 363  *
 364  * PARAMS
 365  *  crit [O] Critical section to uninitialise (destroy).
 366  *
 367  * RETURNS
 368  *  Nothing.
 369  */
 370 void WINAPI UninitializeCriticalSection( CRITICAL_SECTION *crit )
 371 {
 372     RtlDeleteCriticalSection( crit );
 373 }
 374
 375
 376 /***********************************************************************
 377  *           CreateEventA    (KERNEL32.@)
 378  */
 379 HANDLE WINAPI CreateEventA( SECURITY_ATTRIBUTES *sa, BOOL manual_reset,
 380                             BOOL initial_state, LPCSTR name )
 381 {
 382     WCHAR buffer[MAX_PATH];
 383
 384     if (!name) return CreateEventW( sa, manual_reset, initial_state, NULL );
 385
 386     if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
 387     {
 388         SetLastError( ERROR_FILENAME_EXCED_RANGE );
 389         return 0;
 390     }
 391     return CreateEventW( sa, manual_reset, initial_state, buffer );
 392 }
 393
 394
 395 /***********************************************************************
 396  *           CreateEventW    (KERNEL32.@)
 397  */
 398 HANDLE WINAPI CreateEventW( SECURITY_ATTRIBUTES *sa, BOOL manual_reset,
 399                             BOOL initial_state, LPCWSTR name )
 400 {
 401     HANDLE ret;
 402     DWORD len = name ? strlenW(name) : 0;
 403     if (len >= MAX_PATH)
 404     {
 405         SetLastError( ERROR_FILENAME_EXCED_RANGE );
 406         return 0;
 407     }
 408     /* one buggy program needs this
 409      * ("Van Dale Groot woordenboek der Nederlandse taal")
 410      */
 411     if (sa && IsBadReadPtr(sa,sizeof(SECURITY_ATTRIBUTES)))
 412     {
 413         ERR("Bad security attributes pointer %p\n",sa);
 414         SetLastError( ERROR_INVALID_PARAMETER);
 415         return 0;
 416     }
 417     SERVER_START_REQ( create_event )
 418     {
 419         req->manual_reset = manual_reset;
 420         req->initial_state = initial_state;
 421         req->inherit = (sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle);
 422         wine_server_add_data( req, name, len * sizeof(WCHAR) );
 423         SetLastError(0);
 424         wine_server_call_err( req );
 425         ret = reply->handle;
 426     }
 427     SERVER_END_REQ;
 428     return ret;
 429 }
 430
 431
 432 /***********************************************************************
 433  *           CreateW32Event    (KERNEL.457)
 434  */
 435 HANDLE WINAPI WIN16_CreateEvent( BOOL manual_reset, BOOL initial_state )
 436 {
 437     return CreateEventA( NULL, manual_reset, initial_state, NULL );
 438 }
 439
 440
 441 /***********************************************************************
 442  *           OpenEventA    (KERNEL32.@)
 443  */
 444 HANDLE WINAPI OpenEventA( DWORD access, BOOL inherit, LPCSTR name )
 445 {
 446     WCHAR buffer[MAX_PATH];
 447
 448     if (!name) return OpenEventW( access, inherit, NULL );
 449
 450     if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
 451     {
 452         SetLastError( ERROR_FILENAME_EXCED_RANGE );
 453         return 0;
 454     }
 455     return OpenEventW( access, inherit, buffer );
 456 }
 457
 458
 459 /***********************************************************************
 460  *           OpenEventW    (KERNEL32.@)
 461  */
 462 HANDLE WINAPI OpenEventW( DWORD access, BOOL inherit, LPCWSTR name )
 463 {
 464     HANDLE ret;
 465     DWORD len = name ? strlenW(name) : 0;
 466     if (len >= MAX_PATH)
 467     {
 468         SetLastError( ERROR_FILENAME_EXCED_RANGE );
 469         return 0;
 470     }
 471     if (!is_version_nt()) access = EVENT_ALL_ACCESS;
 472
 473     SERVER_START_REQ( open_event )
 474     {
 475         req->access  = access;
 476         req->inherit = inherit;
 477         wine_server_add_data( req, name, len * sizeof(WCHAR) );
 478         wine_server_call_err( req );
 479         ret = reply->handle;
 480     }
 481     SERVER_END_REQ;
 482     return ret;
 483 }
 484
 485
 486 /***********************************************************************
 487  *           EVENT_Operation
 488  *
 489  * Execute an event operation (set,reset,pulse).
 490  */
 491 static BOOL EVENT_Operation( HANDLE handle, enum event_op op )
 492 {
 493     BOOL ret;
 494     SERVER_START_REQ( event_op )
 495     {
 496         req->handle = handle;
 497         req->op     = op;
 498         ret = !wine_server_call_err( req );
 499     }
 500     SERVER_END_REQ;
 501     return ret;
 502 }
 503
 504
 505 /***********************************************************************
 506  *           PulseEvent    (KERNEL32.@)
 507  */
 508 BOOL WINAPI PulseEvent( HANDLE handle )
 509 {
 510     return EVENT_Operation( handle, PULSE_EVENT );
 511 }
 512
 513
 514 /***********************************************************************
 515  *           SetW32Event (KERNEL.458)
 516  *           SetEvent    (KERNEL32.@)
 517  */
 518 BOOL WINAPI SetEvent( HANDLE handle )
 519 {
 520     return EVENT_Operation( handle, SET_EVENT );
 521 }
 522
 523
 524 /***********************************************************************
 525  *           ResetW32Event (KERNEL.459)
 526  *           ResetEvent    (KERNEL32.@)
 527  */
 528 BOOL WINAPI ResetEvent( HANDLE handle )
 529 {
 530     return EVENT_Operation( handle, RESET_EVENT );
 531 }
 532
 533
 534 /***********************************************************************
 535  * NOTE: The Win95 VWin32_Event routines given below are really low-level
 536  *       routines implemented directly by VWin32. The user-mode libraries
 537  *       implement Win32 synchronisation routines on top of these low-level
 538  *       primitives. We do it the other way around here :-)
 539  */
 540
 541 /***********************************************************************
 542  *       VWin32_EventCreate     (KERNEL.442)
 543  */
 544 HANDLE WINAPI VWin32_EventCreate(VOID)
 545 {
 546     HANDLE hEvent = CreateEventA( NULL, FALSE, 0, NULL );
 547     return ConvertToGlobalHandle( hEvent );
 548 }
 549
 550 /***********************************************************************
 551  *       VWin32_EventDestroy    (KERNEL.443)
 552  */
 553 VOID WINAPI VWin32_EventDestroy(HANDLE event)
 554 {
 555     CloseHandle( event );
 556 }
 557
 558 /***********************************************************************
 559  *       VWin32_EventWait       (KERNEL.450)
 560  */
 561 VOID WINAPI VWin32_EventWait(HANDLE event)
 562 {
 563     DWORD mutex_count;
 564
 565     ReleaseThunkLock( &mutex_count );
 566     WaitForSingleObject( event, INFINITE );
 567     RestoreThunkLock( mutex_count );
 568 }
 569
 570 /***********************************************************************
 571  *       VWin32_EventSet        (KERNEL.451)
 572  *       KERNEL_479             (KERNEL.479)
 573  */
 574 VOID WINAPI VWin32_EventSet(HANDLE event)
 575 {
 576     SetEvent( event );
 577 }
 578
 579
 580
 581 /***********************************************************************
 582  *           CreateMutexA   (KERNEL32.@)
 583  */
 584 HANDLE WINAPI CreateMutexA( SECURITY_ATTRIBUTES *sa, BOOL owner, LPCSTR name )
 585 {
 586     WCHAR buffer[MAX_PATH];
 587
 588     if (!name) return CreateMutexW( sa, owner, NULL );
 589
 590     if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
 591     {
 592         SetLastError( ERROR_FILENAME_EXCED_RANGE );
 593         return 0;
 594     }
 595     return CreateMutexW( sa, owner, buffer );
 596 }
 597
 598
 599 /***********************************************************************
 600  *           CreateMutexW   (KERNEL32.@)
 601  */
 602 HANDLE WINAPI CreateMutexW( SECURITY_ATTRIBUTES *sa, BOOL owner, LPCWSTR name )
 603 {
 604     HANDLE ret;
 605     DWORD len = name ? strlenW(name) : 0;
 606     if (len >= MAX_PATH)
 607     {
 608         SetLastError( ERROR_FILENAME_EXCED_RANGE );
 609         return 0;
 610     }
 611     SERVER_START_REQ( create_mutex )
 612     {
 613         req->owned   = owner;
 614         req->inherit = (sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle);
 615         wine_server_add_data( req, name, len * sizeof(WCHAR) );
 616         SetLastError(0);
 617         wine_server_call_err( req );
 618         ret = reply->handle;
 619     }
 620     SERVER_END_REQ;
 621     return ret;
 622 }
 623
 624
 625 /***********************************************************************
 626  *           OpenMutexA   (KERNEL32.@)
 627  */
 628 HANDLE WINAPI OpenMutexA( DWORD access, BOOL inherit, LPCSTR name )
 629 {
 630     WCHAR buffer[MAX_PATH];
 631
 632     if (!name) return OpenMutexW( access, inherit, NULL );
 633
 634     if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
 635     {
 636         SetLastError( ERROR_FILENAME_EXCED_RANGE );
 637         return 0;
 638     }
 639     return OpenMutexW( access, inherit, buffer );
 640 }
 641
 642
 643 /***********************************************************************
 644  *           OpenMutexW   (KERNEL32.@)
 645  */
 646 HANDLE WINAPI OpenMutexW( DWORD access, BOOL inherit, LPCWSTR name )
 647 {
 648     HANDLE ret;
 649     DWORD len = name ? strlenW(name) : 0;
 650     if (len >= MAX_PATH)
 651     {
 652         SetLastError( ERROR_FILENAME_EXCED_RANGE );
 653         return 0;
 654     }
 655     if (!is_version_nt()) access = MUTEX_ALL_ACCESS;
 656
 657     SERVER_START_REQ( open_mutex )
 658     {
 659         req->access  = access;
 660         req->inherit = inherit;
 661         wine_server_add_data( req, name, len * sizeof(WCHAR) );
 662         wine_server_call_err( req );
 663         ret = reply->handle;
 664     }
 665     SERVER_END_REQ;
 666     return ret;
 667 }
 668
 669
 670 /***********************************************************************
 671  *           ReleaseMutex   (KERNEL32.@)
 672  */
 673 BOOL WINAPI ReleaseMutex( HANDLE handle )
 674 {
 675     BOOL ret;
 676     SERVER_START_REQ( release_mutex )
 677     {
 678         req->handle = handle;
 679         ret = !wine_server_call_err( req );
 680     }
 681     SERVER_END_REQ;
 682     return ret;
 683 }
 684
 685
 686 /*
 687  * Semaphores
 688  */
 689
 690
 691 /***********************************************************************
 692  *           CreateSemaphoreA   (KERNEL32.@)
 693  */
 694 HANDLE WINAPI CreateSemaphoreA( SECURITY_ATTRIBUTES *sa, LONG initial, LONG max, LPCSTR name )
 695 {
 696     WCHAR buffer[MAX_PATH];
 697
 698     if (!name) return CreateSemaphoreW( sa, initial, max, NULL );
 699
 700     if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
 701     {
 702         SetLastError( ERROR_FILENAME_EXCED_RANGE );
 703         return 0;
 704     }
 705     return CreateSemaphoreW( sa, initial, max, buffer );
 706 }
 707
 708
 709 /***********************************************************************
 710  *           CreateSemaphoreW   (KERNEL32.@)
 711  */
 712 HANDLE WINAPI CreateSemaphoreW( SECURITY_ATTRIBUTES *sa, LONG initial,
 713                                     LONG max, LPCWSTR name )
 714 {
 715     HANDLE ret;
 716     DWORD len = name ? strlenW(name) : 0;
 717
 718     /* Check parameters */
 719
 720     if ((max <= 0) || (initial < 0) || (initial > max))
 721     {
 722         SetLastError( ERROR_INVALID_PARAMETER );
 723         return 0;
 724     }
 725     if (len >= MAX_PATH)
 726     {
 727         SetLastError( ERROR_FILENAME_EXCED_RANGE );
 728         return 0;
 729     }
 730
 731     SERVER_START_REQ( create_semaphore )
 732     {
 733         req->initial = (unsigned int)initial;
 734         req->max     = (unsigned int)max;
 735         req->inherit = (sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle);
 736         wine_server_add_data( req, name, len * sizeof(WCHAR) );
 737         SetLastError(0);
 738         wine_server_call_err( req );
 739         ret = reply->handle;
 740     }
 741     SERVER_END_REQ;
 742     return ret;
 743 }
 744
 745
 746 /***********************************************************************
 747  *           OpenSemaphoreA   (KERNEL32.@)
 748  */
 749 HANDLE WINAPI OpenSemaphoreA( DWORD access, BOOL inherit, LPCSTR name )
 750 {
 751     WCHAR buffer[MAX_PATH];
 752
 753     if (!name) return OpenSemaphoreW( access, inherit, NULL );
 754
 755     if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
 756     {
 757         SetLastError( ERROR_FILENAME_EXCED_RANGE );
 758         return 0;
 759     }
 760     return OpenSemaphoreW( access, inherit, buffer );
 761 }
 762
 763
 764 /***********************************************************************
 765  *           OpenSemaphoreW   (KERNEL32.@)
 766  */
 767 HANDLE WINAPI OpenSemaphoreW( DWORD access, BOOL inherit, LPCWSTR name )
 768 {
 769     HANDLE ret;
 770     DWORD len = name ? strlenW(name) : 0;
 771     if (len >= MAX_PATH)
 772     {
 773         SetLastError( ERROR_FILENAME_EXCED_RANGE );
 774         return 0;
 775     }
 776     if (!is_version_nt()) access = SEMAPHORE_ALL_ACCESS;
 777
 778     SERVER_START_REQ( open_semaphore )
 779     {
 780         req->access  = access;
 781         req->inherit = inherit;
 782         wine_server_add_data( req, name, len * sizeof(WCHAR) );
 783         wine_server_call_err( req );
 784         ret = reply->handle;
 785     }
 786     SERVER_END_REQ;
 787     return ret;
 788 }
 789
 790
 791 /***********************************************************************
 792  *           ReleaseSemaphore   (KERNEL32.@)
 793  */
 794 BOOL WINAPI ReleaseSemaphore( HANDLE handle, LONG count, LONG *previous )
 795 {
 796     NTSTATUS status = NtReleaseSemaphore( handle, count, previous );
 797     if (status) SetLastError( RtlNtStatusToDosError(status) );
 798     return !status;
 799 }
 800
 801
 802 /*
 803  * Timers
 804  */
 805
 806
 807 /***********************************************************************
 808  *           CreateWaitableTimerA    (KERNEL32.@)
 809  */
 810 HANDLE WINAPI CreateWaitableTimerA( SECURITY_ATTRIBUTES *sa, BOOL manual, LPCSTR name )
 811 {
 812     WCHAR buffer[MAX_PATH];
 813
 814     if (!name) return CreateWaitableTimerW( sa, manual, NULL );
 815
 816     if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
 817     {
 818         SetLastError( ERROR_FILENAME_EXCED_RANGE );
 819         return 0;
 820     }
 821     return CreateWaitableTimerW( sa, manual, buffer );
 822 }
 823
 824
 825 /***********************************************************************
 826  *           CreateWaitableTimerW    (KERNEL32.@)
 827  */
 828 HANDLE WINAPI CreateWaitableTimerW( SECURITY_ATTRIBUTES *sa, BOOL manual, LPCWSTR name )
 829 {
 830     HANDLE              handle;
 831     NTSTATUS            status;
 832     UNICODE_STRING      us;
 833     DWORD               attr = 0;
 834     OBJECT_ATTRIBUTES   oa;
 835
 836     if (name) RtlInitUnicodeString(&us, name);
 837     if (sa && (sa->nLength >= sizeof(*sa)) && sa->bInheritHandle)
 838         attr |= OBJ_INHERIT;
 839     InitializeObjectAttributes(&oa, name ? &us : NULL, attr,
 840                                NULL /* FIXME */, NULL /* FIXME */);
 841     status = NtCreateTimer(&handle, TIMER_ALL_ACCESS, &oa,
 842                            manual ? NotificationTimer : SynchronizationTimer);
 843
 844     if (status != STATUS_SUCCESS)
 845     {
 846         SetLastError( RtlNtStatusToDosError(status) );
 847         return 0;
 848     }
 849     return handle;
 850 }
 851
 852
 853 /***********************************************************************
 854  *           OpenWaitableTimerA    (KERNEL32.@)
 855  */
 856 HANDLE WINAPI OpenWaitableTimerA( DWORD access, BOOL inherit, LPCSTR name )
 857 {
 858     WCHAR buffer[MAX_PATH];
 859
 860     if (!name) return OpenWaitableTimerW( access, inherit, NULL );
 861
 862     if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
 863     {
 864         SetLastError( ERROR_FILENAME_EXCED_RANGE );
 865         return 0;
 866     }
 867     return OpenWaitableTimerW( access, inherit, buffer );
 868 }
 869
 870
 871 /***********************************************************************
 872  *           OpenWaitableTimerW    (KERNEL32.@)
 873  */
 874 HANDLE WINAPI OpenWaitableTimerW( DWORD access, BOOL inherit, LPCWSTR name )
 875 {
 876     NTSTATUS            status;
 877     ULONG               attr = 0;
 878     UNICODE_STRING      us;
 879     HANDLE              handle;
 880     OBJECT_ATTRIBUTES   oa;
 881
 882     if (inherit) attr |= OBJ_INHERIT;
 883
 884     if (name) RtlInitUnicodeString(&us, name);
 885     InitializeObjectAttributes(&oa, name ? &us : NULL, attr, NULL /* FIXME */, NULL /* FIXME */);
 886     status = NtOpenTimer(&handle, access, &oa);
 887     if (status != STATUS_SUCCESS)
 888     {
 889         SetLastError( RtlNtStatusToDosError(status) );
 890         return 0;
 891     }
 892     return handle;
 893 }
 894
 895
 896 /***********************************************************************
 897  *           SetWaitableTimer    (KERNEL32.@)
 898  */
 899 BOOL WINAPI SetWaitableTimer( HANDLE handle, const LARGE_INTEGER *when, LONG period,
 900                               PTIMERAPCROUTINE callback, LPVOID arg, BOOL resume )
 901 {
 902     NTSTATUS status = NtSetTimer(handle, when, callback, arg, resume, period, NULL);
 903
 904     if (status != STATUS_SUCCESS)
 905     {
 906         SetLastError( RtlNtStatusToDosError(status) );
 907         if (status != STATUS_TIMER_RESUME_IGNORED) return FALSE;
 908     }
 909     return TRUE;
 910 }
 911
 912
 913 /***********************************************************************
 914  *           CancelWaitableTimer    (KERNEL32.@)
 915  */
 916 BOOL WINAPI CancelWaitableTimer( HANDLE handle )
 917 {
 918     NTSTATUS status;
 919
 920     status = NtCancelTimer(handle, NULL);
 921     if (status != STATUS_SUCCESS)
 922     {
 923         SetLastError( RtlNtStatusToDosError(status) );
 924         return FALSE;
 925     }
 926     return TRUE;
 927 }
 928
 929
 930 /***********************************************************************
 931  *           CreateTimerQueue  (KERNEL32.@)
 932  */
 933 HANDLE WINAPI CreateTimerQueue(void)
 934 {
 935     FIXME("stub\n");
 936     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
 937     return NULL;
 938 }
 939
 940
 941 /***********************************************************************
 942  *           DeleteTimerQueueEx  (KERNEL32.@)
 943  */
 944 BOOL WINAPI DeleteTimerQueueEx(HANDLE TimerQueue, HANDLE CompletionEvent)
 945 {
 946     FIXME("(%p, %p): stub\n", TimerQueue, CompletionEvent);
 947     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
 948     return 0;
 949 }
 950
 951 /***********************************************************************
 952  *           CreateTimerQueueTimer  (KERNEL32.@)
 953  *
 954  * Creates a timer-queue timer. This timer expires at the specified due
 955  * time (in ms), then after every specified period (in ms). When the timer
 956  * expires, the callback function is called.
 957  *
 958  * RETURNS
 959  *   nonzero on success or zero on faillure
 960  *
 961  * BUGS
 962  *   Unimplemented
 963  */
 964 BOOL WINAPI CreateTimerQueueTimer( PHANDLE phNewTimer, HANDLE TimerQueue,
 965                                    WAITORTIMERCALLBACK Callback, PVOID Parameter,
 966                                    DWORD DueTime, DWORD Period, ULONG Flags )
 967 {
 968     FIXME("stub\n");
 969     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
 970     return TRUE;
 971 }
 972
 973 /***********************************************************************
 974  *           DeleteTimerQueueTimer  (KERNEL32.@)
 975  *
 976  * Cancels a timer-queue timer.
 977  *
 978  * RETURNS
 979  *   nonzero on success or zero on faillure
 980  *
 981  * BUGS
 982  *   Unimplemented
 983  */
 984 BOOL WINAPI DeleteTimerQueueTimer( HANDLE TimerQueue, HANDLE Timer,
 985                                    HANDLE CompletionEvent )
 986 {
 987     FIXME("stub\n");
 988     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
 989     return TRUE;
 990 }
 991
 992
 993 /*
 994  * Pipes
 995  */
 996
 997
 998 /***********************************************************************
 999  *           CreateNamedPipeA   (KERNEL32.@)
1000  */
1001 HANDLE WINAPI CreateNamedPipeA( LPCSTR name, DWORD dwOpenMode,
1002                                 DWORD dwPipeMode, DWORD nMaxInstances,
1003                                 DWORD nOutBufferSize, DWORD nInBufferSize,
1004                                 DWORD nDefaultTimeOut, LPSECURITY_ATTRIBUTES attr )
1005 {
1006     WCHAR buffer[MAX_PATH];
1007
1008     if (!name) return CreateNamedPipeW( NULL, dwOpenMode, dwPipeMode, nMaxInstances,
1009                                         nOutBufferSize, nInBufferSize, nDefaultTimeOut, attr );
1010
1011     if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
1012     {
1013         SetLastError( ERROR_FILENAME_EXCED_RANGE );
1014         return INVALID_HANDLE_VALUE;
1015     }
1016     return CreateNamedPipeW( buffer, dwOpenMode, dwPipeMode, nMaxInstances,
1017                              nOutBufferSize, nInBufferSize, nDefaultTimeOut, attr );
1018 }
1019
1020
1021 /***********************************************************************
1022  *           CreateNamedPipeW   (KERNEL32.@)
1023  */
1024 HANDLE WINAPI CreateNamedPipeW( LPCWSTR name, DWORD dwOpenMode,
1025                                 DWORD dwPipeMode, DWORD nMaxInstances,
1026                                 DWORD nOutBufferSize, DWORD nInBufferSize,
1027                                 DWORD nDefaultTimeOut, LPSECURITY_ATTRIBUTES attr )
1028 {
1029     HANDLE ret;
1030     DWORD len;
1031     static const WCHAR leadin[] = {'\\','\\','.','\\','P','I','P','E','\\'};
1032
1033     TRACE("(%s, %#08lx, %#08lx, %ld, %ld, %ld, %ld, %p)\n",
1034           debugstr_w(name), dwOpenMode, dwPipeMode, nMaxInstances,
1035           nOutBufferSize, nInBufferSize, nDefaultTimeOut, attr );
1036
1037     if (!name)
1038     {
1039         SetLastError( ERROR_PATH_NOT_FOUND );
1040         return INVALID_HANDLE_VALUE;
1041     }
1042     len = strlenW(name);
1043     if (len >= MAX_PATH)
1044     {
1045         SetLastError( ERROR_FILENAME_EXCED_RANGE );
1046         return INVALID_HANDLE_VALUE;
1047     }
1048     if (strncmpiW(name, leadin, sizeof(leadin)/sizeof(leadin[0])))
1049     {
1050         SetLastError( ERROR_INVALID_NAME );
1051         return INVALID_HANDLE_VALUE;
1052     }
1053     SERVER_START_REQ( create_named_pipe )
1054     {
1055         req->openmode = dwOpenMode;
1056         req->pipemode = dwPipeMode;
1057         req->maxinstances = nMaxInstances;
1058         req->outsize = nOutBufferSize;
1059         req->insize = nInBufferSize;
1060         req->timeout = nDefaultTimeOut;
1061         wine_server_add_data( req, name, len * sizeof(WCHAR) );
1062         SetLastError(0);
1063         if (!wine_server_call_err( req )) ret = reply->handle;
1064         else ret = INVALID_HANDLE_VALUE;
1065     }
1066     SERVER_END_REQ;
1067     return ret;
1068 }
1069
1070
1071 /***********************************************************************
1072  *           PeekNamedPipe   (KERNEL32.@)
1073  */
1074 BOOL WINAPI PeekNamedPipe( HANDLE hPipe, LPVOID lpvBuffer, DWORD cbBuffer,
1075                            LPDWORD lpcbRead, LPDWORD lpcbAvail, LPDWORD lpcbMessage )
1076 {
1077 #ifdef FIONREAD
1078     int avail=0,fd;
1079
1080     fd = FILE_GetUnixHandle(hPipe, GENERIC_READ);
1081     if (fd == -1) return FALSE;
1082
1083     if (ioctl(fd,FIONREAD, &avail ) != 0)
1084     {
1085         TRACE("FIONREAD failed reason: %s\n",strerror(errno));
1086         close(fd);
1087         return FALSE;
1088     }
1089     if (!avail)  /* check for closed pipe */
1090     {
1091         struct pollfd pollfd;
1092         pollfd.fd = fd;
1093         pollfd.events = POLLIN;
1094         pollfd.revents = 0;
1095         switch (poll( &pollfd, 1, 0 ))
1096         {
1097         case 0:
1098             break;
1099         case 1:  /* got something */
1100             if (!(pollfd.revents & (POLLHUP | POLLERR))) break;
1101             TRACE("POLLHUP | POLLERR\n");
1102             /* fall through */
1103         case -1:
1104             close(fd);
1105             SetLastError(ERROR_BROKEN_PIPE);
1106             return FALSE;
1107         }
1108     }
1109     close(fd);
1110     TRACE(" 0x%08x bytes available\n", avail );
1111     if (!lpvBuffer && lpcbAvail)
1112       {
1113         *lpcbAvail= avail;
1114         return TRUE;
1115       }
1116 #endif /* defined(FIONREAD) */
1117
1118     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1119     FIXME("function not implemented\n");
1120     return FALSE;
1121 }
1122
1123 /***********************************************************************
1124  *           SYNC_CompletePipeOverlapped   (Internal)
1125  */
1126 static void SYNC_CompletePipeOverlapped (LPOVERLAPPED overlapped, DWORD result)
1127 {
1128     TRACE("for %p result %08lx\n",overlapped,result);
1129     if(!overlapped)
1130         return;
1131     overlapped->Internal = result;
1132     SetEvent(overlapped->hEvent);
1133 }
1134
1135
1136 /***********************************************************************
1137  *           WaitNamedPipeA   (KERNEL32.@)
1138  */
1139 BOOL WINAPI WaitNamedPipeA (LPCSTR name, DWORD nTimeOut)
1140 {
1141     WCHAR buffer[MAX_PATH];
1142
1143     if (!name) return WaitNamedPipeW( NULL, nTimeOut );
1144
1145     if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
1146     {
1147         SetLastError( ERROR_FILENAME_EXCED_RANGE );
1148         return 0;
1149     }
1150     return WaitNamedPipeW( buffer, nTimeOut );
1151 }
1152
1153
1154 /***********************************************************************
1155  *           WaitNamedPipeW   (KERNEL32.@)
1156  */
1157 BOOL WINAPI WaitNamedPipeW (LPCWSTR name, DWORD nTimeOut)
1158 {
1159     DWORD len = name ? strlenW(name) : 0;
1160     BOOL ret;
1161     OVERLAPPED ov;
1162
1163     if (len >= MAX_PATH)
1164     {
1165         SetLastError( ERROR_FILENAME_EXCED_RANGE );
1166         return FALSE;
1167     }
1168
1169     TRACE("%s 0x%08lx\n",debugstr_w(name),nTimeOut);
1170
1171     memset(&ov,0,sizeof(ov));
1172     ov.hEvent = CreateEventA( NULL, 0, 0, NULL );
1173     if (!ov.hEvent)
1174         return FALSE;
1175
1176     SERVER_START_REQ( wait_named_pipe )
1177     {
1178         req->timeout = nTimeOut;
1179         req->overlapped = &ov;
1180         req->func = SYNC_CompletePipeOverlapped;
1181         wine_server_add_data( req, name, len * sizeof(WCHAR) );
1182         ret = !wine_server_call_err( req );
1183     }
1184     SERVER_END_REQ;
1185
1186     if(ret)
1187     {
1188         if (WAIT_OBJECT_0==WaitForSingleObject(ov.hEvent,INFINITE))
1189         {
1190             SetLastError(ov.Internal);
1191             ret = (ov.Internal==STATUS_SUCCESS);
1192         }
1193     }
1194     CloseHandle(ov.hEvent);
1195     return ret;
1196 }
1197
1198
1199 /***********************************************************************
1200  *           SYNC_ConnectNamedPipe   (Internal)
1201  */
1202 static BOOL SYNC_ConnectNamedPipe(HANDLE hPipe, LPOVERLAPPED overlapped)
1203 {
1204     BOOL ret;
1205
1206     if(!overlapped)
1207         return FALSE;
1208
1209     overlapped->Internal = STATUS_PENDING;
1210
1211     SERVER_START_REQ( connect_named_pipe )
1212     {
1213         req->handle = hPipe;
1214         req->overlapped = overlapped;
1215         req->func = SYNC_CompletePipeOverlapped;
1216         ret = !wine_server_call_err( req );
1217     }
1218     SERVER_END_REQ;
1219
1220     return ret;
1221 }
1222
1223 /***********************************************************************
1224  *           ConnectNamedPipe   (KERNEL32.@)
1225  */
1226 BOOL WINAPI ConnectNamedPipe(HANDLE hPipe, LPOVERLAPPED overlapped)
1227 {
1228     OVERLAPPED ov;
1229     BOOL ret;
1230
1231     TRACE("(%p,%p)\n",hPipe, overlapped);
1232
1233     if(overlapped)
1234     {
1235         if(SYNC_ConnectNamedPipe(hPipe,overlapped))
1236             SetLastError( ERROR_IO_PENDING );
1237         return FALSE;
1238     }
1239
1240     memset(&ov,0,sizeof(ov));
1241     ov.hEvent = CreateEventA(NULL,0,0,NULL);
1242     if (!ov.hEvent)
1243         return FALSE;
1244
1245     ret=SYNC_ConnectNamedPipe(hPipe, &ov);
1246     if(ret)
1247     {
1248         if (WAIT_OBJECT_0==WaitForSingleObject(ov.hEvent,INFINITE))
1249         {
1250             SetLastError(ov.Internal);
1251             ret = (ov.Internal==STATUS_SUCCESS);
1252         }
1253     }
1254
1255     CloseHandle(ov.hEvent);
1256
1257     return ret;
1258 }
1259
1260 /***********************************************************************
1261  *           DisconnectNamedPipe   (KERNEL32.@)
1262  */
1263 BOOL WINAPI DisconnectNamedPipe(HANDLE hPipe)
1264 {
1265     BOOL ret;
1266
1267     TRACE("(%p)\n",hPipe);
1268
1269     SERVER_START_REQ( disconnect_named_pipe )
1270     {
1271         req->handle = hPipe;
1272         ret = !wine_server_call_err( req );
1273         if (ret && reply->fd != -1) close( reply->fd );
1274     }
1275     SERVER_END_REQ;
1276
1277     return ret;
1278 }
1279
1280 /***********************************************************************
1281  *           TransactNamedPipe   (KERNEL32.@)
1282  */
1283 BOOL WINAPI TransactNamedPipe(
1284     HANDLE hPipe, LPVOID lpInput, DWORD dwInputSize, LPVOID lpOutput,
1285     DWORD dwOutputSize, LPDWORD lpBytesRead, LPOVERLAPPED lpOverlapped)
1286 {
1287     FIXME("%p %p %ld %p %ld %p %p\n",
1288           hPipe, lpInput, dwInputSize, lpOutput,
1289           dwOutputSize, lpBytesRead, lpOverlapped);
1290     if(lpBytesRead)
1291         *lpBytesRead=0;
1292     return FALSE;
1293 }
1294
1295 /***********************************************************************
1296  *           GetNamedPipeInfo   (KERNEL32.@)
1297  */
1298 BOOL WINAPI GetNamedPipeInfo(
1299     HANDLE hNamedPipe, LPDWORD lpFlags, LPDWORD lpOutputBufferSize,
1300     LPDWORD lpInputBufferSize, LPDWORD lpMaxInstances)
1301 {
1302     BOOL ret;
1303
1304     TRACE("%p %p %p %p %p\n", hNamedPipe, lpFlags,
1305           lpOutputBufferSize, lpInputBufferSize, lpMaxInstances);
1306
1307     SERVER_START_REQ( get_named_pipe_info )
1308     {
1309         req->handle = hNamedPipe;
1310         ret = !wine_server_call_err( req );
1311         if(lpFlags) *lpFlags = reply->flags;
1312         if(lpOutputBufferSize) *lpOutputBufferSize = reply->outsize;
1313         if(lpInputBufferSize) *lpInputBufferSize = reply->outsize;
1314         if(lpMaxInstances) *lpMaxInstances = reply->maxinstances;
1315     }
1316     SERVER_END_REQ;
1317
1318     return ret;
1319 }
1320
1321 /***********************************************************************
1322  *           GetNamedPipeHandleStateA  (KERNEL32.@)
1323  */
1324 BOOL WINAPI GetNamedPipeHandleStateA(
1325     HANDLE hNamedPipe, LPDWORD lpState, LPDWORD lpCurInstances,
1326     LPDWORD lpMaxCollectionCount, LPDWORD lpCollectDataTimeout,
1327     LPSTR lpUsername, DWORD nUsernameMaxSize)
1328 {
1329     FIXME("%p %p %p %p %p %p %ld\n",
1330           hNamedPipe, lpState, lpCurInstances,
1331           lpMaxCollectionCount, lpCollectDataTimeout,
1332           lpUsername, nUsernameMaxSize);
1333
1334     return FALSE;
1335 }
1336
1337 /***********************************************************************
1338  *           GetNamedPipeHandleStateW  (KERNEL32.@)
1339  */
1340 BOOL WINAPI GetNamedPipeHandleStateW(
1341     HANDLE hNamedPipe, LPDWORD lpState, LPDWORD lpCurInstances,
1342     LPDWORD lpMaxCollectionCount, LPDWORD lpCollectDataTimeout,
1343     LPWSTR lpUsername, DWORD nUsernameMaxSize)
1344 {
1345     FIXME("%p %p %p %p %p %p %ld\n",
1346           hNamedPipe, lpState, lpCurInstances,
1347           lpMaxCollectionCount, lpCollectDataTimeout,
1348           lpUsername, nUsernameMaxSize);
1349
1350     return FALSE;
1351 }
1352
1353 /***********************************************************************
1354  *           SetNamedPipeHandleState  (KERNEL32.@)
1355  */
1356 BOOL WINAPI SetNamedPipeHandleState(
1357     HANDLE hNamedPipe, LPDWORD lpMode, LPDWORD lpMaxCollectionCount,
1358     LPDWORD lpCollectDataTimeout)
1359 {
1360     FIXME("%p %p %p %p\n",
1361           hNamedPipe, lpMode, lpMaxCollectionCount, lpCollectDataTimeout);
1362     return FALSE;
1363 }
1364
1365 /***********************************************************************
1366  *           CallNamedPipeA  (KERNEL32.@)
1367  */
1368 BOOL WINAPI CallNamedPipeA(
1369     LPCSTR lpNamedPipeName, LPVOID lpInput, DWORD lpInputSize,
1370     LPVOID lpOutput, DWORD lpOutputSize,
1371     LPDWORD lpBytesRead, DWORD nTimeout)
1372 {
1373     FIXME("%s %p %ld %p %ld %p %ld\n",
1374            debugstr_a(lpNamedPipeName), lpInput, lpInputSize,
1375            lpOutput, lpOutputSize, lpBytesRead, nTimeout);
1376     return FALSE;
1377 }
1378
1379 /***********************************************************************
1380  *           CallNamedPipeW  (KERNEL32.@)
1381  */
1382 BOOL WINAPI CallNamedPipeW(
1383     LPCWSTR lpNamedPipeName, LPVOID lpInput, DWORD lpInputSize,
1384     LPVOID lpOutput, DWORD lpOutputSize,
1385     LPDWORD lpBytesRead, DWORD nTimeout)
1386 {
1387     FIXME("%s %p %ld %p %ld %p %ld\n",
1388            debugstr_w(lpNamedPipeName), lpInput, lpInputSize,
1389            lpOutput, lpOutputSize, lpBytesRead, nTimeout);
1390     return FALSE;
1391 }
1392
1393 /******************************************************************
1394  *              CreatePipe (KERNEL32.@)
1395  *
1396  */
1397 BOOL WINAPI CreatePipe( PHANDLE hReadPipe, PHANDLE hWritePipe,
1398                         LPSECURITY_ATTRIBUTES sa, DWORD size )
1399 {
1400     static unsigned  index = 0;
1401     char        name[64];
1402     HANDLE      hr, hw;
1403     unsigned    in_index = index;
1404
1405     *hReadPipe = *hWritePipe = INVALID_HANDLE_VALUE;
1406     /* generate a unique pipe name (system wide) */
1407     do
1408     {
1409         sprintf(name, "\\\\.\\pipe\\Win32.Pipes.%08lu.%08u", GetCurrentProcessId(), ++index);
1410         hr = CreateNamedPipeA(name, PIPE_ACCESS_INBOUND,
1411                               PIPE_TYPE_BYTE | PIPE_WAIT, 1, size, size,
1412                               NMPWAIT_USE_DEFAULT_WAIT, sa);
1413     } while (hr == INVALID_HANDLE_VALUE && index != in_index);
1414     /* from completion sakeness, I think system resources might be exhausted before this happens !! */
1415     if (hr == INVALID_HANDLE_VALUE) return FALSE;
1416
1417     hw = CreateFileA(name, GENERIC_WRITE, 0, sa, OPEN_EXISTING, 0, 0);
1418     if (hw == INVALID_HANDLE_VALUE)
1419     {
1420         CloseHandle(hr);
1421         return FALSE;
1422     }
1423
1424     *hReadPipe = hr;
1425     *hWritePipe = hw;
1426     return TRUE;
1427 }
1428
1429
1430 /******************************************************************************
1431  * CreateMailslotA [KERNEL32.@]
1432  */
1433 HANDLE WINAPI CreateMailslotA( LPCSTR lpName, DWORD nMaxMessageSize,
1434                                DWORD lReadTimeout, LPSECURITY_ATTRIBUTES sa )
1435 {
1436     DWORD len;
1437     HANDLE handle;
1438     LPWSTR name = NULL;
1439
1440     TRACE("%s %ld %ld %p\n", debugstr_a(lpName),
1441           nMaxMessageSize, lReadTimeout, sa);
1442
1443     if( lpName )
1444     {
1445         len = MultiByteToWideChar( CP_ACP, 0, lpName, -1, NULL, 0 );
1446         name = HeapAlloc( GetProcessHeap(), 0, len*sizeof(WCHAR) );
1447         MultiByteToWideChar( CP_ACP, 0, lpName, -1, name, len );
1448     }
1449
1450     handle = CreateMailslotW( name, nMaxMessageSize, lReadTimeout, sa );
1451
1452     if( name )
1453         HeapFree( GetProcessHeap(), 0, name );
1454
1455     return handle;
1456 }
1457
1458
1459 /******************************************************************************
1460  * CreateMailslotW [KERNEL32.@]
1461  *
1462  * Create a mailslot with specified name.
1463  *
1464  * PARAMS
1465  *    lpName          [I] Pointer to string for mailslot name
1466  *    nMaxMessageSize [I] Maximum message size
1467  *    lReadTimeout    [I] Milliseconds before read time-out
1468  *    sa              [I] Pointer to security structure
1469  *
1470  * RETURNS
1471  *    Success: Handle to mailslot
1472  *    Failure: INVALID_HANDLE_VALUE
1473  */
1474 HANDLE WINAPI CreateMailslotW( LPCWSTR lpName, DWORD nMaxMessageSize,
1475                                DWORD lReadTimeout, LPSECURITY_ATTRIBUTES sa )
1476 {
1477     FIXME("(%s,%ld,%ld,%p): stub\n", debugstr_w(lpName),
1478           nMaxMessageSize, lReadTimeout, sa);
1479     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1480     return INVALID_HANDLE_VALUE;
1481 }
1482
1483
1484 /******************************************************************************
1485  * GetMailslotInfo [KERNEL32.@]
1486  *
1487  * Retrieve information about a mailslot.
1488  *
1489  * PARAMS
1490  *    hMailslot        [I] Mailslot handle
1491  *    lpMaxMessageSize [O] Address of maximum message size
1492  *    lpNextSize       [O] Address of size of next message
1493  *    lpMessageCount   [O] Address of number of messages
1494  *    lpReadTimeout    [O] Address of read time-out
1495  *
1496  * RETURNS
1497  *    Success: TRUE
1498  *    Failure: FALSE
1499  */
1500 BOOL WINAPI GetMailslotInfo( HANDLE hMailslot, LPDWORD lpMaxMessageSize,
1501                                LPDWORD lpNextSize, LPDWORD lpMessageCount,
1502                                LPDWORD lpReadTimeout )
1503 {
1504     FIXME("(%p): stub\n",hMailslot);
1505     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1506     return FALSE;
1507 }
1508
1509
1510 /******************************************************************************
1511  * SetMailslotInfo [KERNEL32.@]
1512  *
1513  * Set the read timeout of a mailslot.
1514  *
1515  * PARAMS
1516  *  hMailslot     [I] Mailslot handle
1517  *  dwReadTimeout [I] Timeout in milliseconds.
1518  *
1519  * RETURNS
1520  *    Success: TRUE
1521  *    Failure: FALSE
1522  */
1523 BOOL WINAPI SetMailslotInfo( HANDLE hMailslot, DWORD dwReadTimeout)
1524 {
1525     FIXME("%p %ld: stub\n", hMailslot, dwReadTimeout);
1526     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1527     return FALSE;
1528 }
1529
1530
1531 /******************************************************************************
1532  *              CreateIoCompletionPort (KERNEL32.@)
1533  */
1534 HANDLE WINAPI CreateIoCompletionPort(HANDLE hFileHandle, HANDLE hExistingCompletionPort,
1535                                      DWORD dwCompletionKey, DWORD dwNumberOfConcurrentThreads)
1536 {
1537     FIXME("(%p, %p, %08lx, %08lx): stub.\n",
1538           hFileHandle, hExistingCompletionPort, dwCompletionKey, dwNumberOfConcurrentThreads);
1539     return NULL;
1540 }
1541
1542
1543 /******************************************************************************
1544  *              GetQueuedCompletionStatus (KERNEL32.@)
1545  */
1546 BOOL WINAPI GetQueuedCompletionStatus( HANDLE CompletionPort, LPDWORD lpNumberOfBytesTransferred,
1547                                        LPDWORD lpCompletionKey, LPOVERLAPPED *lpOverlapped,
1548                                        DWORD dwMilliseconds )
1549 {
1550     FIXME("(%p,%p,%p,%p,%ld), stub!\n",
1551           CompletionPort,lpNumberOfBytesTransferred,lpCompletionKey,lpOverlapped,dwMilliseconds);
1552     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1553     return FALSE;
1554 }
1555
1556 #ifdef __i386__
1557
1558 /***********************************************************************
1559  *              InterlockedCompareExchange (KERNEL32.@)
1560  */
1561 /* LONG WINAPI InterlockedCompareExchange( PLONG dest, LONG xchg, LONG compare ); */
1562 __ASM_GLOBAL_FUNC(InterlockedCompareExchange,
1563                   "movl 12(%esp),%eax\n\t"
1564                   "movl 8(%esp),%ecx\n\t"
1565                   "movl 4(%esp),%edx\n\t"
1566                   "lock; cmpxchgl %ecx,(%edx)\n\t"
1567                   "ret $12");
1568
1569 /***********************************************************************
1570  *              InterlockedExchange (KERNEL32.@)
1571  */
1572 /* LONG WINAPI InterlockedExchange( PLONG dest, LONG val ); */
1573 __ASM_GLOBAL_FUNC(InterlockedExchange,
1574                   "movl 8(%esp),%eax\n\t"
1575                   "movl 4(%esp),%edx\n\t"
1576                   "lock; xchgl %eax,(%edx)\n\t"
1577                   "ret $8");
1578
1579 /***********************************************************************
1580  *              InterlockedExchangeAdd (KERNEL32.@)
1581  */
1582 /* LONG WINAPI InterlockedExchangeAdd( PLONG dest, LONG incr ); */
1583 __ASM_GLOBAL_FUNC(InterlockedExchangeAdd,
1584                   "movl 8(%esp),%eax\n\t"
1585                   "movl 4(%esp),%edx\n\t"
1586                   "lock; xaddl %eax,(%edx)\n\t"
1587                   "ret $8");
1588
1589 /***********************************************************************
1590  *              InterlockedIncrement (KERNEL32.@)
1591  */
1592 /* LONG WINAPI InterlockedIncrement( PLONG dest ); */
1593 __ASM_GLOBAL_FUNC(InterlockedIncrement,
1594                   "movl 4(%esp),%edx\n\t"
1595                   "movl $1,%eax\n\t"
1596                   "lock; xaddl %eax,(%edx)\n\t"
1597                   "incl %eax\n\t"
1598                   "ret $4");
1599
1600 /***********************************************************************
1601  *              InterlockedDecrement (KERNEL32.@)
1602  */
1603 __ASM_GLOBAL_FUNC(InterlockedDecrement,
1604                   "movl 4(%esp),%edx\n\t"
1605                   "movl $-1,%eax\n\t"
1606                   "lock; xaddl %eax,(%edx)\n\t"
1607                   "decl %eax\n\t"
1608                   "ret $4");
1609
1610 #else  /* __i386__ */
1611
1612 /***********************************************************************
1613  *              InterlockedCompareExchange (KERNEL32.@)
1614  *
1615  * Atomically swap one value with another.
1616  *
1617  * PARAMS
1618  *  dest    [I/O] The value to replace
1619  *  xchq    [I]   The value to be swapped
1620  *  compare [I]   The value to compare to dest
1621  *
1622  * RETURNS
1623  *  The resulting value of dest.
1624  *
1625  * NOTES
1626  *  dest is updated only if it is equal to compare, otherwise no swap is done.
1627  */
1628 LONG WINAPI InterlockedCompareExchange( PLONG dest, LONG xchg, LONG compare )
1629 {
1630     return interlocked_cmpxchg( dest, xchg, compare );
1631 }
1632
1633 /***********************************************************************
1634  *              InterlockedExchange (KERNEL32.@)
1635  *
1636  * Atomically swap one value with another.
1637  *
1638  * PARAMS
1639  *  dest [I/O] The value to replace
1640  *  val  [I]   The value to be swapped
1641  *
1642  * RETURNS
1643  *  The resulting value of dest.
1644  */
1645 LONG WINAPI InterlockedExchange( PLONG dest, LONG val )
1646 {
1647     return interlocked_xchg( dest, val );
1648 }
1649
1650 /***********************************************************************
1651  *              InterlockedExchangeAdd (KERNEL32.@)
1652  *
1653  * Atomically add one value to another.
1654  *
1655  * PARAMS
1656  *  dest [I/O] The value to add to
1657  *  incr [I]   The value to be added
1658  *
1659  * RETURNS
1660  *  The resulting value of dest.
1661  */
1662 LONG WINAPI InterlockedExchangeAdd( PLONG dest, LONG incr )
1663 {
1664     return interlocked_xchg_add( dest, incr );
1665 }
1666
1667 /***********************************************************************
1668  *              InterlockedIncrement (KERNEL32.@)
1669  *
1670  * Atomically increment a value.
1671  *
1672  * PARAMS
1673  *  dest [I/O] The value to increment
1674  *
1675  * RETURNS
1676  *  The resulting value of dest.
1677  */
1678 LONG WINAPI InterlockedIncrement( PLONG dest )
1679 {
1680     return interlocked_xchg_add( dest, 1 ) + 1;
1681 }
1682
1683 /***********************************************************************
1684  *              InterlockedDecrement (KERNEL32.@)
1685  *
1686  * Atomically decrement a value.
1687  *
1688  * PARAMS
1689  *  dest [I/O] The value to decrement
1690  *
1691  * RETURNS
1692  *  The resulting value of dest.
1693  */
1694 LONG WINAPI InterlockedDecrement( PLONG dest )
1695 {
1696     return interlocked_xchg_add( dest, -1 ) - 1;
1697 }
1698
1699 #endif  /* __i386__ */