2 * Kernel synchronization objects
4 * Copyright 1998 Alexandre Julliard
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.
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.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 #include "wine/port.h"
32 #define NONAMELESSUNION
33 #define NONAMELESSSTRUCT
36 #define WIN32_NO_STATUS
45 #include "wine/unicode.h"
46 #include "wine/winbase16.h"
47 #include "kernel_private.h"
49 #include "wine/debug.h"
51 WINE_DEFAULT_DEBUG_CHANNEL(sync
);
53 /* check if current version is NT or Win95 */
54 static inline int is_version_nt(void)
56 return !(GetVersion() & 0x80000000);
59 /* returns directory handle to \\BaseNamedObjects */
60 HANDLE
get_BaseNamedObjects_handle(void)
62 static HANDLE handle
= NULL
;
63 static const WCHAR basenameW
[] =
64 {'\\','B','a','s','e','N','a','m','e','d','O','b','j','e','c','t','s',0};
66 OBJECT_ATTRIBUTES attr
;
72 RtlInitUnicodeString(&str
, basenameW
);
73 InitializeObjectAttributes(&attr
, &str
, 0, 0, NULL
);
74 NtOpenDirectoryObject(&dir
, DIRECTORY_CREATE_OBJECT
|DIRECTORY_TRAVERSE
,
76 if (InterlockedCompareExchangePointer( (PVOID
)&handle
, dir
, 0 ) != 0)
78 /* someone beat us here... */
85 /* helper for kernel32->ntdll timeout format conversion */
86 static inline PLARGE_INTEGER
get_nt_timeout( PLARGE_INTEGER pTime
, DWORD timeout
)
88 if (timeout
== INFINITE
) return NULL
;
89 pTime
->QuadPart
= (ULONGLONG
)timeout
* -10000;
93 /***********************************************************************
96 VOID WINAPI
Sleep( DWORD timeout
)
98 SleepEx( timeout
, FALSE
);
101 /******************************************************************************
102 * SleepEx (KERNEL32.@)
104 DWORD WINAPI
SleepEx( DWORD timeout
, BOOL alertable
)
109 status
= NtDelayExecution( alertable
, get_nt_timeout( &time
, timeout
) );
110 if (status
== STATUS_USER_APC
) return WAIT_IO_COMPLETION
;
115 /***********************************************************************
116 * SwitchToThread (KERNEL32.@)
118 BOOL WINAPI
SwitchToThread(void)
120 return (NtYieldExecution() != STATUS_NO_YIELD_PERFORMED
);
124 /***********************************************************************
125 * WaitForSingleObject (KERNEL32.@)
127 DWORD WINAPI
WaitForSingleObject( HANDLE handle
, DWORD timeout
)
129 return WaitForMultipleObjectsEx( 1, &handle
, FALSE
, timeout
, FALSE
);
133 /***********************************************************************
134 * WaitForSingleObjectEx (KERNEL32.@)
136 DWORD WINAPI
WaitForSingleObjectEx( HANDLE handle
, DWORD timeout
,
139 return WaitForMultipleObjectsEx( 1, &handle
, FALSE
, timeout
, alertable
);
143 /***********************************************************************
144 * WaitForMultipleObjects (KERNEL32.@)
146 DWORD WINAPI
WaitForMultipleObjects( DWORD count
, const HANDLE
*handles
,
147 BOOL wait_all
, DWORD timeout
)
149 return WaitForMultipleObjectsEx( count
, handles
, wait_all
, timeout
, FALSE
);
153 /***********************************************************************
154 * WaitForMultipleObjectsEx (KERNEL32.@)
156 DWORD WINAPI
WaitForMultipleObjectsEx( DWORD count
, const HANDLE
*handles
,
157 BOOL wait_all
, DWORD timeout
,
161 HANDLE hloc
[MAXIMUM_WAIT_OBJECTS
];
165 if (count
> MAXIMUM_WAIT_OBJECTS
)
167 SetLastError(ERROR_INVALID_PARAMETER
);
170 for (i
= 0; i
< count
; i
++)
172 if ((handles
[i
] == (HANDLE
)STD_INPUT_HANDLE
) ||
173 (handles
[i
] == (HANDLE
)STD_OUTPUT_HANDLE
) ||
174 (handles
[i
] == (HANDLE
)STD_ERROR_HANDLE
))
175 hloc
[i
] = GetStdHandle( HandleToULong(handles
[i
]) );
177 hloc
[i
] = handles
[i
];
179 /* yes, even screen buffer console handles are waitable, and are
180 * handled as a handle to the console itself !!
182 if (is_console_handle(hloc
[i
]))
184 if (!VerifyConsoleIoHandle(hloc
[i
]))
188 hloc
[i
] = GetConsoleInputWaitHandle();
192 status
= NtWaitForMultipleObjects( count
, hloc
, wait_all
, alertable
,
193 get_nt_timeout( &time
, timeout
) );
195 if (HIWORD(status
)) /* is it an error code? */
197 SetLastError( RtlNtStatusToDosError(status
) );
198 status
= WAIT_FAILED
;
204 /***********************************************************************
205 * WaitForSingleObject (KERNEL.460)
207 DWORD WINAPI
WaitForSingleObject16( HANDLE handle
, DWORD timeout
)
209 DWORD retval
, mutex_count
;
211 ReleaseThunkLock( &mutex_count
);
212 retval
= WaitForSingleObject( handle
, timeout
);
213 RestoreThunkLock( mutex_count
);
217 /***********************************************************************
218 * WaitForMultipleObjects (KERNEL.461)
220 DWORD WINAPI
WaitForMultipleObjects16( DWORD count
, const HANDLE
*handles
,
221 BOOL wait_all
, DWORD timeout
)
223 DWORD retval
, mutex_count
;
225 ReleaseThunkLock( &mutex_count
);
226 retval
= WaitForMultipleObjectsEx( count
, handles
, wait_all
, timeout
, FALSE
);
227 RestoreThunkLock( mutex_count
);
231 /***********************************************************************
232 * WaitForMultipleObjectsEx (KERNEL.495)
234 DWORD WINAPI
WaitForMultipleObjectsEx16( DWORD count
, const HANDLE
*handles
,
235 BOOL wait_all
, DWORD timeout
, BOOL alertable
)
237 DWORD retval
, mutex_count
;
239 ReleaseThunkLock( &mutex_count
);
240 retval
= WaitForMultipleObjectsEx( count
, handles
, wait_all
, timeout
, alertable
);
241 RestoreThunkLock( mutex_count
);
245 /***********************************************************************
246 * RegisterWaitForSingleObject (KERNEL32.@)
248 BOOL WINAPI
RegisterWaitForSingleObject(PHANDLE phNewWaitObject
, HANDLE hObject
,
249 WAITORTIMERCALLBACK Callback
, PVOID Context
,
250 ULONG dwMilliseconds
, ULONG dwFlags
)
254 TRACE("%p %p %p %p %d %d\n",
255 phNewWaitObject
,hObject
,Callback
,Context
,dwMilliseconds
,dwFlags
);
257 status
= RtlRegisterWait( phNewWaitObject
, hObject
, Callback
, Context
, dwMilliseconds
, dwFlags
);
258 if (status
!= STATUS_SUCCESS
)
260 SetLastError( RtlNtStatusToDosError(status
) );
266 /***********************************************************************
267 * RegisterWaitForSingleObjectEx (KERNEL32.@)
269 HANDLE WINAPI
RegisterWaitForSingleObjectEx( HANDLE hObject
,
270 WAITORTIMERCALLBACK Callback
, PVOID Context
,
271 ULONG dwMilliseconds
, ULONG dwFlags
)
274 HANDLE hNewWaitObject
;
276 TRACE("%p %p %p %d %d\n",
277 hObject
,Callback
,Context
,dwMilliseconds
,dwFlags
);
279 status
= RtlRegisterWait( &hNewWaitObject
, hObject
, Callback
, Context
, dwMilliseconds
, dwFlags
);
280 if (status
!= STATUS_SUCCESS
)
282 SetLastError( RtlNtStatusToDosError(status
) );
285 return hNewWaitObject
;
288 /***********************************************************************
289 * UnregisterWait (KERNEL32.@)
291 BOOL WINAPI
UnregisterWait( HANDLE WaitHandle
)
295 TRACE("%p\n",WaitHandle
);
297 status
= RtlDeregisterWait( WaitHandle
);
298 if (status
!= STATUS_SUCCESS
)
300 SetLastError( RtlNtStatusToDosError(status
) );
306 /***********************************************************************
307 * UnregisterWaitEx (KERNEL32.@)
309 BOOL WINAPI
UnregisterWaitEx( HANDLE WaitHandle
, HANDLE CompletionEvent
)
313 TRACE("%p %p\n",WaitHandle
, CompletionEvent
);
315 status
= RtlDeregisterWaitEx( WaitHandle
, CompletionEvent
);
316 if (status
!= STATUS_SUCCESS
) SetLastError( RtlNtStatusToDosError(status
) );
320 /***********************************************************************
321 * SignalObjectAndWait (KERNEL32.@)
323 * Allows to atomically signal any of the synchro objects (semaphore,
324 * mutex, event) and wait on another.
326 DWORD WINAPI
SignalObjectAndWait( HANDLE hObjectToSignal
, HANDLE hObjectToWaitOn
,
327 DWORD dwMilliseconds
, BOOL bAlertable
)
330 LARGE_INTEGER timeout
;
332 TRACE("%p %p %d %d\n", hObjectToSignal
,
333 hObjectToWaitOn
, dwMilliseconds
, bAlertable
);
335 status
= NtSignalAndWaitForSingleObject( hObjectToSignal
, hObjectToWaitOn
, bAlertable
,
336 get_nt_timeout( &timeout
, dwMilliseconds
) );
339 SetLastError( RtlNtStatusToDosError(status
) );
340 status
= WAIT_FAILED
;
345 /***********************************************************************
346 * InitializeCriticalSection (KERNEL32.@)
348 * Initialise a critical section before use.
351 * crit [O] Critical section to initialise.
354 * Nothing. If the function fails an exception is raised.
356 void WINAPI
InitializeCriticalSection( CRITICAL_SECTION
*crit
)
358 InitializeCriticalSectionEx( crit
, 0, 0 );
361 /***********************************************************************
362 * InitializeCriticalSectionAndSpinCount (KERNEL32.@)
364 * Initialise a critical section with a spin count.
367 * crit [O] Critical section to initialise.
368 * spincount [I] Number of times to spin upon contention.
372 * Failure: Nothing. If the function fails an exception is raised.
375 * spincount is ignored on uni-processor systems.
377 BOOL WINAPI
InitializeCriticalSectionAndSpinCount( CRITICAL_SECTION
*crit
, DWORD spincount
)
379 return InitializeCriticalSectionEx( crit
, spincount
, 0 );
382 /***********************************************************************
383 * InitializeCriticalSectionEx (KERNEL32.@)
385 * Initialise a critical section with a spin count and flags.
388 * crit [O] Critical section to initialise.
389 * spincount [I] Number of times to spin upon contention.
390 * flags [I] CRITICAL_SECTION_ flags from winbase.h.
394 * Failure: Nothing. If the function fails an exception is raised.
397 * spincount is ignored on uni-processor systems.
399 BOOL WINAPI
InitializeCriticalSectionEx( CRITICAL_SECTION
*crit
, DWORD spincount
, DWORD flags
)
401 NTSTATUS ret
= RtlInitializeCriticalSectionEx( crit
, spincount
, flags
);
402 if (ret
) RtlRaiseStatus( ret
);
406 /***********************************************************************
407 * MakeCriticalSectionGlobal (KERNEL32.@)
409 void WINAPI
MakeCriticalSectionGlobal( CRITICAL_SECTION
*crit
)
411 /* let's assume that only one thread at a time will try to do this */
412 HANDLE sem
= crit
->LockSemaphore
;
413 if (!sem
) NtCreateSemaphore( &sem
, SEMAPHORE_ALL_ACCESS
, NULL
, 0, 1 );
414 crit
->LockSemaphore
= ConvertToGlobalHandle( sem
);
415 RtlFreeHeap( GetProcessHeap(), 0, crit
->DebugInfo
);
416 crit
->DebugInfo
= NULL
;
420 /***********************************************************************
421 * ReinitializeCriticalSection (KERNEL32.@)
423 * Initialise an already used critical section.
426 * crit [O] Critical section to initialise.
431 void WINAPI
ReinitializeCriticalSection( CRITICAL_SECTION
*crit
)
433 if ( !crit
->LockSemaphore
)
434 RtlInitializeCriticalSection( crit
);
438 /***********************************************************************
439 * UninitializeCriticalSection (KERNEL32.@)
441 * UnInitialise a critical section after use.
444 * crit [O] Critical section to uninitialise (destroy).
449 void WINAPI
UninitializeCriticalSection( CRITICAL_SECTION
*crit
)
451 RtlDeleteCriticalSection( crit
);
455 /***********************************************************************
456 * CreateEventA (KERNEL32.@)
458 HANDLE WINAPI
CreateEventA( SECURITY_ATTRIBUTES
*sa
, BOOL manual_reset
,
459 BOOL initial_state
, LPCSTR name
)
461 WCHAR buffer
[MAX_PATH
];
463 if (!name
) return CreateEventW( sa
, manual_reset
, initial_state
, NULL
);
465 if (!MultiByteToWideChar( CP_ACP
, 0, name
, -1, buffer
, MAX_PATH
))
467 SetLastError( ERROR_FILENAME_EXCED_RANGE
);
470 return CreateEventW( sa
, manual_reset
, initial_state
, buffer
);
474 /***********************************************************************
475 * CreateEventW (KERNEL32.@)
477 HANDLE WINAPI
CreateEventW( SECURITY_ATTRIBUTES
*sa
, BOOL manual_reset
,
478 BOOL initial_state
, LPCWSTR name
)
481 UNICODE_STRING nameW
;
482 OBJECT_ATTRIBUTES attr
;
485 /* one buggy program needs this
486 * ("Van Dale Groot woordenboek der Nederlandse taal")
488 if (sa
&& IsBadReadPtr(sa
,sizeof(SECURITY_ATTRIBUTES
)))
490 ERR("Bad security attributes pointer %p\n",sa
);
491 SetLastError( ERROR_INVALID_PARAMETER
);
495 attr
.Length
= sizeof(attr
);
496 attr
.RootDirectory
= 0;
497 attr
.ObjectName
= NULL
;
498 attr
.Attributes
= OBJ_OPENIF
| ((sa
&& sa
->bInheritHandle
) ? OBJ_INHERIT
: 0);
499 attr
.SecurityDescriptor
= sa
? sa
->lpSecurityDescriptor
: NULL
;
500 attr
.SecurityQualityOfService
= NULL
;
503 RtlInitUnicodeString( &nameW
, name
);
504 attr
.ObjectName
= &nameW
;
505 attr
.RootDirectory
= get_BaseNamedObjects_handle();
508 status
= NtCreateEvent( &ret
, EVENT_ALL_ACCESS
, &attr
, manual_reset
, initial_state
);
509 if (status
== STATUS_OBJECT_NAME_EXISTS
)
510 SetLastError( ERROR_ALREADY_EXISTS
);
512 SetLastError( RtlNtStatusToDosError(status
) );
517 /***********************************************************************
518 * CreateW32Event (KERNEL.457)
520 HANDLE WINAPI
WIN16_CreateEvent( BOOL manual_reset
, BOOL initial_state
)
522 return CreateEventW( NULL
, manual_reset
, initial_state
, NULL
);
526 /***********************************************************************
527 * OpenEventA (KERNEL32.@)
529 HANDLE WINAPI
OpenEventA( DWORD access
, BOOL inherit
, LPCSTR name
)
531 WCHAR buffer
[MAX_PATH
];
533 if (!name
) return OpenEventW( access
, inherit
, NULL
);
535 if (!MultiByteToWideChar( CP_ACP
, 0, name
, -1, buffer
, MAX_PATH
))
537 SetLastError( ERROR_FILENAME_EXCED_RANGE
);
540 return OpenEventW( access
, inherit
, buffer
);
544 /***********************************************************************
545 * OpenEventW (KERNEL32.@)
547 HANDLE WINAPI
OpenEventW( DWORD access
, BOOL inherit
, LPCWSTR name
)
550 UNICODE_STRING nameW
;
551 OBJECT_ATTRIBUTES attr
;
554 if (!is_version_nt()) access
= EVENT_ALL_ACCESS
;
556 attr
.Length
= sizeof(attr
);
557 attr
.RootDirectory
= 0;
558 attr
.ObjectName
= NULL
;
559 attr
.Attributes
= inherit
? OBJ_INHERIT
: 0;
560 attr
.SecurityDescriptor
= NULL
;
561 attr
.SecurityQualityOfService
= NULL
;
564 RtlInitUnicodeString( &nameW
, name
);
565 attr
.ObjectName
= &nameW
;
566 attr
.RootDirectory
= get_BaseNamedObjects_handle();
569 status
= NtOpenEvent( &ret
, access
, &attr
);
570 if (status
!= STATUS_SUCCESS
)
572 SetLastError( RtlNtStatusToDosError(status
) );
578 /***********************************************************************
579 * PulseEvent (KERNEL32.@)
581 BOOL WINAPI
PulseEvent( HANDLE handle
)
585 if ((status
= NtPulseEvent( handle
, NULL
)))
586 SetLastError( RtlNtStatusToDosError(status
) );
591 /***********************************************************************
592 * SetW32Event (KERNEL.458)
593 * SetEvent (KERNEL32.@)
595 BOOL WINAPI
SetEvent( HANDLE handle
)
599 if ((status
= NtSetEvent( handle
, NULL
)))
600 SetLastError( RtlNtStatusToDosError(status
) );
605 /***********************************************************************
606 * ResetW32Event (KERNEL.459)
607 * ResetEvent (KERNEL32.@)
609 BOOL WINAPI
ResetEvent( HANDLE handle
)
613 if ((status
= NtResetEvent( handle
, NULL
)))
614 SetLastError( RtlNtStatusToDosError(status
) );
619 /***********************************************************************
620 * NOTE: The Win95 VWin32_Event routines given below are really low-level
621 * routines implemented directly by VWin32. The user-mode libraries
622 * implement Win32 synchronisation routines on top of these low-level
623 * primitives. We do it the other way around here :-)
626 /***********************************************************************
627 * VWin32_EventCreate (KERNEL.442)
629 HANDLE WINAPI
VWin32_EventCreate(VOID
)
631 HANDLE hEvent
= CreateEventW( NULL
, FALSE
, 0, NULL
);
632 return ConvertToGlobalHandle( hEvent
);
635 /***********************************************************************
636 * VWin32_EventDestroy (KERNEL.443)
638 VOID WINAPI
VWin32_EventDestroy(HANDLE event
)
640 CloseHandle( event
);
643 /***********************************************************************
644 * VWin32_EventWait (KERNEL.450)
646 VOID WINAPI
VWin32_EventWait(HANDLE event
)
650 ReleaseThunkLock( &mutex_count
);
651 WaitForSingleObject( event
, INFINITE
);
652 RestoreThunkLock( mutex_count
);
655 /***********************************************************************
656 * VWin32_EventSet (KERNEL.451)
657 * KERNEL_479 (KERNEL.479)
659 VOID WINAPI
VWin32_EventSet(HANDLE event
)
666 /***********************************************************************
667 * CreateMutexA (KERNEL32.@)
669 HANDLE WINAPI
CreateMutexA( SECURITY_ATTRIBUTES
*sa
, BOOL owner
, LPCSTR name
)
671 WCHAR buffer
[MAX_PATH
];
673 if (!name
) return CreateMutexW( sa
, owner
, NULL
);
675 if (!MultiByteToWideChar( CP_ACP
, 0, name
, -1, buffer
, MAX_PATH
))
677 SetLastError( ERROR_FILENAME_EXCED_RANGE
);
680 return CreateMutexW( sa
, owner
, buffer
);
684 /***********************************************************************
685 * CreateMutexW (KERNEL32.@)
687 HANDLE WINAPI
CreateMutexW( SECURITY_ATTRIBUTES
*sa
, BOOL owner
, LPCWSTR name
)
690 UNICODE_STRING nameW
;
691 OBJECT_ATTRIBUTES attr
;
694 attr
.Length
= sizeof(attr
);
695 attr
.RootDirectory
= 0;
696 attr
.ObjectName
= NULL
;
697 attr
.Attributes
= OBJ_OPENIF
| ((sa
&& sa
->bInheritHandle
) ? OBJ_INHERIT
: 0);
698 attr
.SecurityDescriptor
= sa
? sa
->lpSecurityDescriptor
: NULL
;
699 attr
.SecurityQualityOfService
= NULL
;
702 RtlInitUnicodeString( &nameW
, name
);
703 attr
.ObjectName
= &nameW
;
704 attr
.RootDirectory
= get_BaseNamedObjects_handle();
707 status
= NtCreateMutant( &ret
, MUTEX_ALL_ACCESS
, &attr
, owner
);
708 if (status
== STATUS_OBJECT_NAME_EXISTS
)
709 SetLastError( ERROR_ALREADY_EXISTS
);
711 SetLastError( RtlNtStatusToDosError(status
) );
716 /***********************************************************************
717 * OpenMutexA (KERNEL32.@)
719 HANDLE WINAPI
OpenMutexA( DWORD access
, BOOL inherit
, LPCSTR name
)
721 WCHAR buffer
[MAX_PATH
];
723 if (!name
) return OpenMutexW( access
, inherit
, NULL
);
725 if (!MultiByteToWideChar( CP_ACP
, 0, name
, -1, buffer
, MAX_PATH
))
727 SetLastError( ERROR_FILENAME_EXCED_RANGE
);
730 return OpenMutexW( access
, inherit
, buffer
);
734 /***********************************************************************
735 * OpenMutexW (KERNEL32.@)
737 HANDLE WINAPI
OpenMutexW( DWORD access
, BOOL inherit
, LPCWSTR name
)
740 UNICODE_STRING nameW
;
741 OBJECT_ATTRIBUTES attr
;
744 if (!is_version_nt()) access
= MUTEX_ALL_ACCESS
;
746 attr
.Length
= sizeof(attr
);
747 attr
.RootDirectory
= 0;
748 attr
.ObjectName
= NULL
;
749 attr
.Attributes
= inherit
? OBJ_INHERIT
: 0;
750 attr
.SecurityDescriptor
= NULL
;
751 attr
.SecurityQualityOfService
= NULL
;
754 RtlInitUnicodeString( &nameW
, name
);
755 attr
.ObjectName
= &nameW
;
756 attr
.RootDirectory
= get_BaseNamedObjects_handle();
759 status
= NtOpenMutant( &ret
, access
, &attr
);
760 if (status
!= STATUS_SUCCESS
)
762 SetLastError( RtlNtStatusToDosError(status
) );
769 /***********************************************************************
770 * ReleaseMutex (KERNEL32.@)
772 BOOL WINAPI
ReleaseMutex( HANDLE handle
)
776 status
= NtReleaseMutant(handle
, NULL
);
777 if (status
!= STATUS_SUCCESS
)
779 SetLastError( RtlNtStatusToDosError(status
) );
791 /***********************************************************************
792 * CreateSemaphoreA (KERNEL32.@)
794 HANDLE WINAPI
CreateSemaphoreA( SECURITY_ATTRIBUTES
*sa
, LONG initial
, LONG max
, LPCSTR name
)
796 WCHAR buffer
[MAX_PATH
];
798 if (!name
) return CreateSemaphoreW( sa
, initial
, max
, NULL
);
800 if (!MultiByteToWideChar( CP_ACP
, 0, name
, -1, buffer
, MAX_PATH
))
802 SetLastError( ERROR_FILENAME_EXCED_RANGE
);
805 return CreateSemaphoreW( sa
, initial
, max
, buffer
);
809 /***********************************************************************
810 * CreateSemaphoreW (KERNEL32.@)
812 HANDLE WINAPI
CreateSemaphoreW( SECURITY_ATTRIBUTES
*sa
, LONG initial
,
813 LONG max
, LPCWSTR name
)
816 UNICODE_STRING nameW
;
817 OBJECT_ATTRIBUTES attr
;
820 attr
.Length
= sizeof(attr
);
821 attr
.RootDirectory
= 0;
822 attr
.ObjectName
= NULL
;
823 attr
.Attributes
= OBJ_OPENIF
| ((sa
&& sa
->bInheritHandle
) ? OBJ_INHERIT
: 0);
824 attr
.SecurityDescriptor
= sa
? sa
->lpSecurityDescriptor
: NULL
;
825 attr
.SecurityQualityOfService
= NULL
;
828 RtlInitUnicodeString( &nameW
, name
);
829 attr
.ObjectName
= &nameW
;
830 attr
.RootDirectory
= get_BaseNamedObjects_handle();
833 status
= NtCreateSemaphore( &ret
, SEMAPHORE_ALL_ACCESS
, &attr
, initial
, max
);
834 if (status
== STATUS_OBJECT_NAME_EXISTS
)
835 SetLastError( ERROR_ALREADY_EXISTS
);
837 SetLastError( RtlNtStatusToDosError(status
) );
842 /***********************************************************************
843 * OpenSemaphoreA (KERNEL32.@)
845 HANDLE WINAPI
OpenSemaphoreA( DWORD access
, BOOL inherit
, LPCSTR name
)
847 WCHAR buffer
[MAX_PATH
];
849 if (!name
) return OpenSemaphoreW( access
, inherit
, NULL
);
851 if (!MultiByteToWideChar( CP_ACP
, 0, name
, -1, buffer
, MAX_PATH
))
853 SetLastError( ERROR_FILENAME_EXCED_RANGE
);
856 return OpenSemaphoreW( access
, inherit
, buffer
);
860 /***********************************************************************
861 * OpenSemaphoreW (KERNEL32.@)
863 HANDLE WINAPI
OpenSemaphoreW( DWORD access
, BOOL inherit
, LPCWSTR name
)
866 UNICODE_STRING nameW
;
867 OBJECT_ATTRIBUTES attr
;
870 if (!is_version_nt()) access
= SEMAPHORE_ALL_ACCESS
;
872 attr
.Length
= sizeof(attr
);
873 attr
.RootDirectory
= 0;
874 attr
.ObjectName
= NULL
;
875 attr
.Attributes
= inherit
? OBJ_INHERIT
: 0;
876 attr
.SecurityDescriptor
= NULL
;
877 attr
.SecurityQualityOfService
= NULL
;
880 RtlInitUnicodeString( &nameW
, name
);
881 attr
.ObjectName
= &nameW
;
882 attr
.RootDirectory
= get_BaseNamedObjects_handle();
885 status
= NtOpenSemaphore( &ret
, access
, &attr
);
886 if (status
!= STATUS_SUCCESS
)
888 SetLastError( RtlNtStatusToDosError(status
) );
895 /***********************************************************************
896 * ReleaseSemaphore (KERNEL32.@)
898 BOOL WINAPI
ReleaseSemaphore( HANDLE handle
, LONG count
, LONG
*previous
)
900 NTSTATUS status
= NtReleaseSemaphore( handle
, count
, (PULONG
)previous
);
901 if (status
) SetLastError( RtlNtStatusToDosError(status
) );
910 /******************************************************************************
911 * CreateJobObjectW (KERNEL32.@)
913 HANDLE WINAPI
CreateJobObjectW( LPSECURITY_ATTRIBUTES sa
, LPCWSTR name
)
916 UNICODE_STRING nameW
;
917 OBJECT_ATTRIBUTES attr
;
920 attr
.Length
= sizeof(attr
);
921 attr
.RootDirectory
= 0;
922 attr
.ObjectName
= NULL
;
923 attr
.Attributes
= OBJ_OPENIF
| ((sa
&& sa
->bInheritHandle
) ? OBJ_INHERIT
: 0);
924 attr
.SecurityDescriptor
= sa
? sa
->lpSecurityDescriptor
: NULL
;
925 attr
.SecurityQualityOfService
= NULL
;
928 RtlInitUnicodeString( &nameW
, name
);
929 attr
.ObjectName
= &nameW
;
930 attr
.RootDirectory
= get_BaseNamedObjects_handle();
933 status
= NtCreateJobObject( &ret
, JOB_OBJECT_ALL_ACCESS
, &attr
);
934 if (status
== STATUS_OBJECT_NAME_EXISTS
)
935 SetLastError( ERROR_ALREADY_EXISTS
);
937 SetLastError( RtlNtStatusToDosError(status
) );
941 /******************************************************************************
942 * CreateJobObjectA (KERNEL32.@)
944 HANDLE WINAPI
CreateJobObjectA( LPSECURITY_ATTRIBUTES attr
, LPCSTR name
)
946 WCHAR buffer
[MAX_PATH
];
948 if (!name
) return CreateJobObjectW( attr
, NULL
);
950 if (!MultiByteToWideChar( CP_ACP
, 0, name
, -1, buffer
, MAX_PATH
))
952 SetLastError( ERROR_FILENAME_EXCED_RANGE
);
955 return CreateJobObjectW( attr
, buffer
);
958 /******************************************************************************
959 * OpenJobObjectW (KERNEL32.@)
961 HANDLE WINAPI
OpenJobObjectW( DWORD access
, BOOL inherit
, LPCWSTR name
)
964 UNICODE_STRING nameW
;
965 OBJECT_ATTRIBUTES attr
;
968 attr
.Length
= sizeof(attr
);
969 attr
.RootDirectory
= 0;
970 attr
.ObjectName
= NULL
;
971 attr
.Attributes
= inherit
? OBJ_INHERIT
: 0;
972 attr
.SecurityDescriptor
= NULL
;
973 attr
.SecurityQualityOfService
= NULL
;
976 RtlInitUnicodeString( &nameW
, name
);
977 attr
.ObjectName
= &nameW
;
978 attr
.RootDirectory
= get_BaseNamedObjects_handle();
981 status
= NtOpenJobObject( &ret
, access
, &attr
);
982 if (status
!= STATUS_SUCCESS
)
984 SetLastError( RtlNtStatusToDosError(status
) );
990 /******************************************************************************
991 * OpenJobObjectA (KERNEL32.@)
993 HANDLE WINAPI
OpenJobObjectA( DWORD access
, BOOL inherit
, LPCSTR name
)
995 WCHAR buffer
[MAX_PATH
];
997 if (!name
) return OpenJobObjectW( access
, inherit
, NULL
);
999 if (!MultiByteToWideChar( CP_ACP
, 0, name
, -1, buffer
, MAX_PATH
))
1001 SetLastError( ERROR_FILENAME_EXCED_RANGE
);
1004 return OpenJobObjectW( access
, inherit
, buffer
);
1007 /******************************************************************************
1008 * TerminateJobObject (KERNEL32.@)
1010 BOOL WINAPI
TerminateJobObject( HANDLE job
, UINT exit_code
)
1012 NTSTATUS status
= NtTerminateJobObject( job
, exit_code
);
1013 if (status
) SetLastError( RtlNtStatusToDosError(status
) );
1017 /******************************************************************************
1018 * QueryInformationJobObject (KERNEL32.@)
1020 BOOL WINAPI
QueryInformationJobObject( HANDLE job
, JOBOBJECTINFOCLASS
class, LPVOID info
,
1021 DWORD len
, DWORD
*ret_len
)
1023 NTSTATUS status
= NtQueryInformationJobObject( job
, class, info
, len
, ret_len
);
1024 if (status
) SetLastError( RtlNtStatusToDosError(status
) );
1028 /******************************************************************************
1029 * SetInformationJobObject (KERNEL32.@)
1031 BOOL WINAPI
SetInformationJobObject( HANDLE job
, JOBOBJECTINFOCLASS
class, LPVOID info
, DWORD len
)
1033 NTSTATUS status
= NtSetInformationJobObject( job
, class, info
, len
);
1034 if (status
) SetLastError( RtlNtStatusToDosError(status
) );
1038 /******************************************************************************
1039 * AssignProcessToJobObject (KERNEL32.@)
1041 BOOL WINAPI
AssignProcessToJobObject( HANDLE job
, HANDLE process
)
1043 NTSTATUS status
= NtAssignProcessToJobObject( job
, process
);
1044 if (status
) SetLastError( RtlNtStatusToDosError(status
) );
1048 /******************************************************************************
1049 * IsProcessInJob (KERNEL32.@)
1051 BOOL WINAPI
IsProcessInJob( HANDLE process
, HANDLE job
, PBOOL result
)
1053 NTSTATUS status
= NtIsProcessInJob( job
, process
);
1056 case STATUS_PROCESS_IN_JOB
:
1059 case STATUS_PROCESS_NOT_IN_JOB
:
1063 SetLastError( RtlNtStatusToDosError(status
) );
1074 /***********************************************************************
1075 * CreateWaitableTimerA (KERNEL32.@)
1077 HANDLE WINAPI
CreateWaitableTimerA( SECURITY_ATTRIBUTES
*sa
, BOOL manual
, LPCSTR name
)
1079 WCHAR buffer
[MAX_PATH
];
1081 if (!name
) return CreateWaitableTimerW( sa
, manual
, NULL
);
1083 if (!MultiByteToWideChar( CP_ACP
, 0, name
, -1, buffer
, MAX_PATH
))
1085 SetLastError( ERROR_FILENAME_EXCED_RANGE
);
1088 return CreateWaitableTimerW( sa
, manual
, buffer
);
1092 /***********************************************************************
1093 * CreateWaitableTimerW (KERNEL32.@)
1095 HANDLE WINAPI
CreateWaitableTimerW( SECURITY_ATTRIBUTES
*sa
, BOOL manual
, LPCWSTR name
)
1099 UNICODE_STRING nameW
;
1100 OBJECT_ATTRIBUTES attr
;
1102 attr
.Length
= sizeof(attr
);
1103 attr
.RootDirectory
= 0;
1104 attr
.ObjectName
= NULL
;
1105 attr
.Attributes
= OBJ_OPENIF
| ((sa
&& sa
->bInheritHandle
) ? OBJ_INHERIT
: 0);
1106 attr
.SecurityDescriptor
= sa
? sa
->lpSecurityDescriptor
: NULL
;
1107 attr
.SecurityQualityOfService
= NULL
;
1110 RtlInitUnicodeString( &nameW
, name
);
1111 attr
.ObjectName
= &nameW
;
1112 attr
.RootDirectory
= get_BaseNamedObjects_handle();
1115 status
= NtCreateTimer(&handle
, TIMER_ALL_ACCESS
, &attr
,
1116 manual
? NotificationTimer
: SynchronizationTimer
);
1117 if (status
== STATUS_OBJECT_NAME_EXISTS
)
1118 SetLastError( ERROR_ALREADY_EXISTS
);
1120 SetLastError( RtlNtStatusToDosError(status
) );
1125 /***********************************************************************
1126 * OpenWaitableTimerA (KERNEL32.@)
1128 HANDLE WINAPI
OpenWaitableTimerA( DWORD access
, BOOL inherit
, LPCSTR name
)
1130 WCHAR buffer
[MAX_PATH
];
1132 if (!name
) return OpenWaitableTimerW( access
, inherit
, NULL
);
1134 if (!MultiByteToWideChar( CP_ACP
, 0, name
, -1, buffer
, MAX_PATH
))
1136 SetLastError( ERROR_FILENAME_EXCED_RANGE
);
1139 return OpenWaitableTimerW( access
, inherit
, buffer
);
1143 /***********************************************************************
1144 * OpenWaitableTimerW (KERNEL32.@)
1146 HANDLE WINAPI
OpenWaitableTimerW( DWORD access
, BOOL inherit
, LPCWSTR name
)
1149 UNICODE_STRING nameW
;
1150 OBJECT_ATTRIBUTES attr
;
1153 if (!is_version_nt()) access
= TIMER_ALL_ACCESS
;
1155 attr
.Length
= sizeof(attr
);
1156 attr
.RootDirectory
= 0;
1157 attr
.ObjectName
= NULL
;
1158 attr
.Attributes
= inherit
? OBJ_INHERIT
: 0;
1159 attr
.SecurityDescriptor
= NULL
;
1160 attr
.SecurityQualityOfService
= NULL
;
1163 RtlInitUnicodeString( &nameW
, name
);
1164 attr
.ObjectName
= &nameW
;
1165 attr
.RootDirectory
= get_BaseNamedObjects_handle();
1168 status
= NtOpenTimer(&handle
, access
, &attr
);
1169 if (status
!= STATUS_SUCCESS
)
1171 SetLastError( RtlNtStatusToDosError(status
) );
1178 /***********************************************************************
1179 * SetWaitableTimer (KERNEL32.@)
1181 BOOL WINAPI
SetWaitableTimer( HANDLE handle
, const LARGE_INTEGER
*when
, LONG period
,
1182 PTIMERAPCROUTINE callback
, LPVOID arg
, BOOL resume
)
1184 NTSTATUS status
= NtSetTimer(handle
, when
, (PTIMER_APC_ROUTINE
)callback
,
1185 arg
, resume
, period
, NULL
);
1187 if (status
!= STATUS_SUCCESS
)
1189 SetLastError( RtlNtStatusToDosError(status
) );
1190 if (status
!= STATUS_TIMER_RESUME_IGNORED
) return FALSE
;
1196 /***********************************************************************
1197 * CancelWaitableTimer (KERNEL32.@)
1199 BOOL WINAPI
CancelWaitableTimer( HANDLE handle
)
1203 status
= NtCancelTimer(handle
, NULL
);
1204 if (status
!= STATUS_SUCCESS
)
1206 SetLastError( RtlNtStatusToDosError(status
) );
1213 /***********************************************************************
1214 * CreateTimerQueue (KERNEL32.@)
1216 HANDLE WINAPI
CreateTimerQueue(void)
1219 NTSTATUS status
= RtlCreateTimerQueue(&q
);
1221 if (status
!= STATUS_SUCCESS
)
1223 SetLastError( RtlNtStatusToDosError(status
) );
1231 /***********************************************************************
1232 * DeleteTimerQueueEx (KERNEL32.@)
1234 BOOL WINAPI
DeleteTimerQueueEx(HANDLE TimerQueue
, HANDLE CompletionEvent
)
1236 NTSTATUS status
= RtlDeleteTimerQueueEx(TimerQueue
, CompletionEvent
);
1238 if (status
!= STATUS_SUCCESS
)
1240 SetLastError( RtlNtStatusToDosError(status
) );
1247 /***********************************************************************
1248 * CreateTimerQueueTimer (KERNEL32.@)
1250 * Creates a timer-queue timer. This timer expires at the specified due
1251 * time (in ms), then after every specified period (in ms). When the timer
1252 * expires, the callback function is called.
1255 * nonzero on success or zero on failure
1257 BOOL WINAPI
CreateTimerQueueTimer( PHANDLE phNewTimer
, HANDLE TimerQueue
,
1258 WAITORTIMERCALLBACK Callback
, PVOID Parameter
,
1259 DWORD DueTime
, DWORD Period
, ULONG Flags
)
1261 NTSTATUS status
= RtlCreateTimer(phNewTimer
, TimerQueue
, Callback
,
1262 Parameter
, DueTime
, Period
, Flags
);
1264 if (status
!= STATUS_SUCCESS
)
1266 SetLastError( RtlNtStatusToDosError(status
) );
1273 /***********************************************************************
1274 * ChangeTimerQueueTimer (KERNEL32.@)
1276 * Changes the times at which the timer expires.
1279 * nonzero on success or zero on failure
1281 BOOL WINAPI
ChangeTimerQueueTimer( HANDLE TimerQueue
, HANDLE Timer
,
1282 ULONG DueTime
, ULONG Period
)
1284 NTSTATUS status
= RtlUpdateTimer(TimerQueue
, Timer
, DueTime
, Period
);
1286 if (status
!= STATUS_SUCCESS
)
1288 SetLastError( RtlNtStatusToDosError(status
) );
1295 /***********************************************************************
1296 * DeleteTimerQueueTimer (KERNEL32.@)
1298 * Cancels a timer-queue timer.
1301 * nonzero on success or zero on failure
1303 BOOL WINAPI
DeleteTimerQueueTimer( HANDLE TimerQueue
, HANDLE Timer
,
1304 HANDLE CompletionEvent
)
1306 NTSTATUS status
= RtlDeleteTimer(TimerQueue
, Timer
, CompletionEvent
);
1307 if (status
!= STATUS_SUCCESS
)
1309 SetLastError( RtlNtStatusToDosError(status
) );
1321 /***********************************************************************
1322 * CreateNamedPipeA (KERNEL32.@)
1324 HANDLE WINAPI
CreateNamedPipeA( LPCSTR name
, DWORD dwOpenMode
,
1325 DWORD dwPipeMode
, DWORD nMaxInstances
,
1326 DWORD nOutBufferSize
, DWORD nInBufferSize
,
1327 DWORD nDefaultTimeOut
, LPSECURITY_ATTRIBUTES attr
)
1329 WCHAR buffer
[MAX_PATH
];
1331 if (!name
) return CreateNamedPipeW( NULL
, dwOpenMode
, dwPipeMode
, nMaxInstances
,
1332 nOutBufferSize
, nInBufferSize
, nDefaultTimeOut
, attr
);
1334 if (!MultiByteToWideChar( CP_ACP
, 0, name
, -1, buffer
, MAX_PATH
))
1336 SetLastError( ERROR_FILENAME_EXCED_RANGE
);
1337 return INVALID_HANDLE_VALUE
;
1339 return CreateNamedPipeW( buffer
, dwOpenMode
, dwPipeMode
, nMaxInstances
,
1340 nOutBufferSize
, nInBufferSize
, nDefaultTimeOut
, attr
);
1344 /***********************************************************************
1345 * CreateNamedPipeW (KERNEL32.@)
1347 HANDLE WINAPI
CreateNamedPipeW( LPCWSTR name
, DWORD dwOpenMode
,
1348 DWORD dwPipeMode
, DWORD nMaxInstances
,
1349 DWORD nOutBufferSize
, DWORD nInBufferSize
,
1350 DWORD nDefaultTimeOut
, LPSECURITY_ATTRIBUTES sa
)
1353 UNICODE_STRING nt_name
;
1354 OBJECT_ATTRIBUTES attr
;
1355 DWORD access
, options
;
1356 BOOLEAN pipe_type
, read_mode
, non_block
;
1358 IO_STATUS_BLOCK iosb
;
1359 LARGE_INTEGER timeout
;
1361 TRACE("(%s, %#08x, %#08x, %d, %d, %d, %d, %p)\n",
1362 debugstr_w(name
), dwOpenMode
, dwPipeMode
, nMaxInstances
,
1363 nOutBufferSize
, nInBufferSize
, nDefaultTimeOut
, sa
);
1365 if (!RtlDosPathNameToNtPathName_U( name
, &nt_name
, NULL
, NULL
))
1367 SetLastError( ERROR_PATH_NOT_FOUND
);
1368 return INVALID_HANDLE_VALUE
;
1370 if (nt_name
.Length
>= MAX_PATH
* sizeof(WCHAR
) )
1372 SetLastError( ERROR_FILENAME_EXCED_RANGE
);
1373 RtlFreeUnicodeString( &nt_name
);
1374 return INVALID_HANDLE_VALUE
;
1377 attr
.Length
= sizeof(attr
);
1378 attr
.RootDirectory
= 0;
1379 attr
.ObjectName
= &nt_name
;
1380 attr
.Attributes
= OBJ_CASE_INSENSITIVE
|
1381 ((sa
&& sa
->bInheritHandle
) ? OBJ_INHERIT
: 0);
1382 attr
.SecurityDescriptor
= sa
? sa
->lpSecurityDescriptor
: NULL
;
1383 attr
.SecurityQualityOfService
= NULL
;
1385 switch(dwOpenMode
& 3)
1387 case PIPE_ACCESS_INBOUND
:
1388 options
= FILE_PIPE_INBOUND
;
1389 access
= GENERIC_READ
;
1391 case PIPE_ACCESS_OUTBOUND
:
1392 options
= FILE_PIPE_OUTBOUND
;
1393 access
= GENERIC_WRITE
;
1395 case PIPE_ACCESS_DUPLEX
:
1396 options
= FILE_PIPE_FULL_DUPLEX
;
1397 access
= GENERIC_READ
| GENERIC_WRITE
;
1400 SetLastError( ERROR_INVALID_PARAMETER
);
1401 return INVALID_HANDLE_VALUE
;
1403 access
|= SYNCHRONIZE
;
1404 if (dwOpenMode
& FILE_FLAG_WRITE_THROUGH
) options
|= FILE_WRITE_THROUGH
;
1405 if (!(dwOpenMode
& FILE_FLAG_OVERLAPPED
)) options
|= FILE_SYNCHRONOUS_IO_ALERT
;
1406 pipe_type
= (dwPipeMode
& PIPE_TYPE_MESSAGE
) ? TRUE
: FALSE
;
1407 read_mode
= (dwPipeMode
& PIPE_READMODE_MESSAGE
) ? TRUE
: FALSE
;
1408 non_block
= (dwPipeMode
& PIPE_NOWAIT
) ? TRUE
: FALSE
;
1409 if (nMaxInstances
>= PIPE_UNLIMITED_INSTANCES
) nMaxInstances
= ~0U;
1411 timeout
.QuadPart
= (ULONGLONG
)nDefaultTimeOut
* -10000;
1415 status
= NtCreateNamedPipeFile(&handle
, access
, &attr
, &iosb
, 0,
1416 FILE_OVERWRITE_IF
, options
, pipe_type
,
1417 read_mode
, non_block
, nMaxInstances
,
1418 nInBufferSize
, nOutBufferSize
, &timeout
);
1420 RtlFreeUnicodeString( &nt_name
);
1423 handle
= INVALID_HANDLE_VALUE
;
1424 SetLastError( RtlNtStatusToDosError(status
) );
1430 /***********************************************************************
1431 * PeekNamedPipe (KERNEL32.@)
1433 BOOL WINAPI
PeekNamedPipe( HANDLE hPipe
, LPVOID lpvBuffer
, DWORD cbBuffer
,
1434 LPDWORD lpcbRead
, LPDWORD lpcbAvail
, LPDWORD lpcbMessage
)
1436 FILE_PIPE_PEEK_BUFFER local_buffer
;
1437 FILE_PIPE_PEEK_BUFFER
*buffer
= &local_buffer
;
1441 if (cbBuffer
&& !(buffer
= HeapAlloc( GetProcessHeap(), 0,
1442 FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER
, Data
[cbBuffer
] ))))
1444 SetLastError( ERROR_NOT_ENOUGH_MEMORY
);
1448 status
= NtFsControlFile( hPipe
, 0, NULL
, NULL
, &io
, FSCTL_PIPE_PEEK
, NULL
, 0,
1449 buffer
, FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER
, Data
[cbBuffer
] ) );
1452 ULONG read_size
= io
.Information
- FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER
, Data
);
1453 if (lpcbAvail
) *lpcbAvail
= buffer
->ReadDataAvailable
;
1454 if (lpcbRead
) *lpcbRead
= read_size
;
1455 if (lpcbMessage
) *lpcbMessage
= 0; /* FIXME */
1456 if (lpvBuffer
) memcpy( lpvBuffer
, buffer
->Data
, read_size
);
1458 else SetLastError( RtlNtStatusToDosError(status
) );
1460 if (buffer
!= &local_buffer
) HeapFree( GetProcessHeap(), 0, buffer
);
1464 /***********************************************************************
1465 * WaitNamedPipeA (KERNEL32.@)
1467 BOOL WINAPI
WaitNamedPipeA (LPCSTR name
, DWORD nTimeOut
)
1469 WCHAR buffer
[MAX_PATH
];
1471 if (!name
) return WaitNamedPipeW( NULL
, nTimeOut
);
1473 if (!MultiByteToWideChar( CP_ACP
, 0, name
, -1, buffer
, MAX_PATH
))
1475 SetLastError( ERROR_FILENAME_EXCED_RANGE
);
1478 return WaitNamedPipeW( buffer
, nTimeOut
);
1482 /***********************************************************************
1483 * WaitNamedPipeW (KERNEL32.@)
1485 * Waits for a named pipe instance to become available
1488 * name [I] Pointer to a named pipe name to wait for
1489 * nTimeOut [I] How long to wait in ms
1492 * TRUE: Success, named pipe can be opened with CreateFile
1493 * FALSE: Failure, GetLastError can be called for further details
1495 BOOL WINAPI
WaitNamedPipeW (LPCWSTR name
, DWORD nTimeOut
)
1497 static const WCHAR leadin
[] = {'\\','?','?','\\','P','I','P','E','\\'};
1499 UNICODE_STRING nt_name
, pipe_dev_name
;
1500 FILE_PIPE_WAIT_FOR_BUFFER
*pipe_wait
;
1501 IO_STATUS_BLOCK iosb
;
1502 OBJECT_ATTRIBUTES attr
;
1506 TRACE("%s 0x%08x\n",debugstr_w(name
),nTimeOut
);
1508 if (!RtlDosPathNameToNtPathName_U( name
, &nt_name
, NULL
, NULL
))
1511 if (nt_name
.Length
>= MAX_PATH
* sizeof(WCHAR
) ||
1512 nt_name
.Length
< sizeof(leadin
) ||
1513 strncmpiW( nt_name
.Buffer
, leadin
, sizeof(leadin
)/sizeof(WCHAR
)) != 0)
1515 RtlFreeUnicodeString( &nt_name
);
1516 SetLastError( ERROR_PATH_NOT_FOUND
);
1520 sz_pipe_wait
= sizeof(*pipe_wait
) + nt_name
.Length
- sizeof(leadin
) - sizeof(WCHAR
);
1521 if (!(pipe_wait
= HeapAlloc( GetProcessHeap(), 0, sz_pipe_wait
)))
1523 RtlFreeUnicodeString( &nt_name
);
1524 SetLastError( ERROR_OUTOFMEMORY
);
1528 pipe_dev_name
.Buffer
= nt_name
.Buffer
;
1529 pipe_dev_name
.Length
= sizeof(leadin
);
1530 pipe_dev_name
.MaximumLength
= sizeof(leadin
);
1531 InitializeObjectAttributes(&attr
,&pipe_dev_name
, OBJ_CASE_INSENSITIVE
, NULL
, NULL
);
1532 status
= NtOpenFile( &pipe_dev
, FILE_READ_ATTRIBUTES
, &attr
,
1533 &iosb
, FILE_SHARE_READ
| FILE_SHARE_WRITE
,
1534 FILE_SYNCHRONOUS_IO_NONALERT
);
1535 if (status
!= ERROR_SUCCESS
)
1537 SetLastError( ERROR_PATH_NOT_FOUND
);
1541 pipe_wait
->TimeoutSpecified
= !(nTimeOut
== NMPWAIT_USE_DEFAULT_WAIT
);
1542 if (nTimeOut
== NMPWAIT_WAIT_FOREVER
)
1543 pipe_wait
->Timeout
.QuadPart
= ((ULONGLONG
)0x7fffffff << 32) | 0xffffffff;
1545 pipe_wait
->Timeout
.QuadPart
= (ULONGLONG
)nTimeOut
* -10000;
1546 pipe_wait
->NameLength
= nt_name
.Length
- sizeof(leadin
);
1547 memcpy(pipe_wait
->Name
, nt_name
.Buffer
+ sizeof(leadin
)/sizeof(WCHAR
),
1548 pipe_wait
->NameLength
);
1549 RtlFreeUnicodeString( &nt_name
);
1551 status
= NtFsControlFile( pipe_dev
, NULL
, NULL
, NULL
, &iosb
, FSCTL_PIPE_WAIT
,
1552 pipe_wait
, sz_pipe_wait
, NULL
, 0 );
1554 HeapFree( GetProcessHeap(), 0, pipe_wait
);
1555 NtClose( pipe_dev
);
1557 if(status
!= STATUS_SUCCESS
)
1559 SetLastError(RtlNtStatusToDosError(status
));
1567 /***********************************************************************
1568 * ConnectNamedPipe (KERNEL32.@)
1570 * Connects to a named pipe
1573 * hPipe: A handle to a named pipe returned by CreateNamedPipe
1574 * overlapped: Optional OVERLAPPED struct
1578 * FALSE: Failure, GetLastError can be called for further details
1580 BOOL WINAPI
ConnectNamedPipe(HANDLE hPipe
, LPOVERLAPPED overlapped
)
1583 IO_STATUS_BLOCK status_block
;
1584 LPVOID cvalue
= NULL
;
1586 TRACE("(%p,%p)\n", hPipe
, overlapped
);
1590 overlapped
->Internal
= STATUS_PENDING
;
1591 overlapped
->InternalHigh
= 0;
1592 if (((ULONG_PTR
)overlapped
->hEvent
& 1) == 0) cvalue
= overlapped
;
1595 status
= NtFsControlFile(hPipe
, overlapped
? overlapped
->hEvent
: NULL
, NULL
, cvalue
,
1596 overlapped
? (IO_STATUS_BLOCK
*)overlapped
: &status_block
,
1597 FSCTL_PIPE_LISTEN
, NULL
, 0, NULL
, 0);
1599 if (status
== STATUS_SUCCESS
) return TRUE
;
1600 SetLastError( RtlNtStatusToDosError(status
) );
1604 /***********************************************************************
1605 * DisconnectNamedPipe (KERNEL32.@)
1607 * Disconnects from a named pipe
1610 * hPipe: A handle to a named pipe returned by CreateNamedPipe
1614 * FALSE: Failure, GetLastError can be called for further details
1616 BOOL WINAPI
DisconnectNamedPipe(HANDLE hPipe
)
1619 IO_STATUS_BLOCK io_block
;
1621 TRACE("(%p)\n",hPipe
);
1623 status
= NtFsControlFile(hPipe
, 0, NULL
, NULL
, &io_block
, FSCTL_PIPE_DISCONNECT
,
1625 if (status
== STATUS_SUCCESS
) return TRUE
;
1626 SetLastError( RtlNtStatusToDosError(status
) );
1630 /***********************************************************************
1631 * TransactNamedPipe (KERNEL32.@)
1634 * should be done as a single operation in the wineserver or kernel
1636 BOOL WINAPI
TransactNamedPipe(
1637 HANDLE handle
, LPVOID write_buf
, DWORD write_size
, LPVOID read_buf
,
1638 DWORD read_size
, LPDWORD bytes_read
, LPOVERLAPPED overlapped
)
1643 TRACE("%p %p %d %p %d %p %p\n",
1644 handle
, write_buf
, write_size
, read_buf
,
1645 read_size
, bytes_read
, overlapped
);
1649 FIXME("Doesn't support overlapped operation as yet\n");
1653 r
= WriteFile(handle
, write_buf
, write_size
, &count
, NULL
);
1655 r
= ReadFile(handle
, read_buf
, read_size
, bytes_read
, NULL
);
1660 /***********************************************************************
1661 * GetNamedPipeInfo (KERNEL32.@)
1663 BOOL WINAPI
GetNamedPipeInfo(
1664 HANDLE hNamedPipe
, LPDWORD lpFlags
, LPDWORD lpOutputBufferSize
,
1665 LPDWORD lpInputBufferSize
, LPDWORD lpMaxInstances
)
1667 FILE_PIPE_LOCAL_INFORMATION fpli
;
1668 IO_STATUS_BLOCK iosb
;
1671 status
= NtQueryInformationFile(hNamedPipe
, &iosb
, &fpli
, sizeof(fpli
),
1672 FilePipeLocalInformation
);
1675 SetLastError( RtlNtStatusToDosError(status
) );
1681 *lpFlags
= (fpli
.NamedPipeEnd
& FILE_PIPE_SERVER_END
) ?
1682 PIPE_SERVER_END
: PIPE_CLIENT_END
;
1683 *lpFlags
|= (fpli
.NamedPipeType
& FILE_PIPE_TYPE_MESSAGE
) ?
1684 PIPE_TYPE_MESSAGE
: PIPE_TYPE_BYTE
;
1687 if (lpOutputBufferSize
) *lpOutputBufferSize
= fpli
.OutboundQuota
;
1688 if (lpInputBufferSize
) *lpInputBufferSize
= fpli
.InboundQuota
;
1689 if (lpMaxInstances
) *lpMaxInstances
= fpli
.MaximumInstances
;
1694 /***********************************************************************
1695 * GetNamedPipeHandleStateA (KERNEL32.@)
1697 BOOL WINAPI
GetNamedPipeHandleStateA(
1698 HANDLE hNamedPipe
, LPDWORD lpState
, LPDWORD lpCurInstances
,
1699 LPDWORD lpMaxCollectionCount
, LPDWORD lpCollectDataTimeout
,
1700 LPSTR lpUsername
, DWORD nUsernameMaxSize
)
1702 FIXME("%p %p %p %p %p %p %d\n",
1703 hNamedPipe
, lpState
, lpCurInstances
,
1704 lpMaxCollectionCount
, lpCollectDataTimeout
,
1705 lpUsername
, nUsernameMaxSize
);
1710 /***********************************************************************
1711 * GetNamedPipeHandleStateW (KERNEL32.@)
1713 BOOL WINAPI
GetNamedPipeHandleStateW(
1714 HANDLE hNamedPipe
, LPDWORD lpState
, LPDWORD lpCurInstances
,
1715 LPDWORD lpMaxCollectionCount
, LPDWORD lpCollectDataTimeout
,
1716 LPWSTR lpUsername
, DWORD nUsernameMaxSize
)
1718 FIXME("%p %p %p %p %p %p %d\n",
1719 hNamedPipe
, lpState
, lpCurInstances
,
1720 lpMaxCollectionCount
, lpCollectDataTimeout
,
1721 lpUsername
, nUsernameMaxSize
);
1726 /***********************************************************************
1727 * SetNamedPipeHandleState (KERNEL32.@)
1729 BOOL WINAPI
SetNamedPipeHandleState(
1730 HANDLE hNamedPipe
, LPDWORD lpMode
, LPDWORD lpMaxCollectionCount
,
1731 LPDWORD lpCollectDataTimeout
)
1733 /* should be a fixme, but this function is called a lot by the RPC
1734 * runtime, and it slows down InstallShield a fair bit. */
1735 WARN("stub: %p %p/%d %p %p\n",
1736 hNamedPipe
, lpMode
, lpMode
? *lpMode
: 0, lpMaxCollectionCount
, lpCollectDataTimeout
);
1740 /***********************************************************************
1741 * CallNamedPipeA (KERNEL32.@)
1743 BOOL WINAPI
CallNamedPipeA(
1744 LPCSTR lpNamedPipeName
, LPVOID lpInput
, DWORD dwInputSize
,
1745 LPVOID lpOutput
, DWORD dwOutputSize
,
1746 LPDWORD lpBytesRead
, DWORD nTimeout
)
1752 TRACE("%s %p %d %p %d %p %d\n",
1753 debugstr_a(lpNamedPipeName
), lpInput
, dwInputSize
,
1754 lpOutput
, dwOutputSize
, lpBytesRead
, nTimeout
);
1756 if( lpNamedPipeName
)
1758 len
= MultiByteToWideChar( CP_ACP
, 0, lpNamedPipeName
, -1, NULL
, 0 );
1759 str
= HeapAlloc( GetProcessHeap(), 0, len
*sizeof(WCHAR
) );
1760 MultiByteToWideChar( CP_ACP
, 0, lpNamedPipeName
, -1, str
, len
);
1762 ret
= CallNamedPipeW( str
, lpInput
, dwInputSize
, lpOutput
,
1763 dwOutputSize
, lpBytesRead
, nTimeout
);
1764 if( lpNamedPipeName
)
1765 HeapFree( GetProcessHeap(), 0, str
);
1770 /***********************************************************************
1771 * CallNamedPipeW (KERNEL32.@)
1773 BOOL WINAPI
CallNamedPipeW(
1774 LPCWSTR lpNamedPipeName
, LPVOID lpInput
, DWORD lpInputSize
,
1775 LPVOID lpOutput
, DWORD lpOutputSize
,
1776 LPDWORD lpBytesRead
, DWORD nTimeout
)
1782 TRACE("%s %p %d %p %d %p %d\n",
1783 debugstr_w(lpNamedPipeName
), lpInput
, lpInputSize
,
1784 lpOutput
, lpOutputSize
, lpBytesRead
, nTimeout
);
1786 pipe
= CreateFileW(lpNamedPipeName
, GENERIC_READ
|GENERIC_WRITE
, 0, NULL
, OPEN_EXISTING
, 0, NULL
);
1787 if (pipe
== INVALID_HANDLE_VALUE
)
1789 ret
= WaitNamedPipeW(lpNamedPipeName
, nTimeout
);
1792 pipe
= CreateFileW(lpNamedPipeName
, GENERIC_READ
|GENERIC_WRITE
, 0, NULL
, OPEN_EXISTING
, 0, NULL
);
1793 if (pipe
== INVALID_HANDLE_VALUE
)
1797 mode
= PIPE_READMODE_MESSAGE
;
1798 ret
= SetNamedPipeHandleState(pipe
, &mode
, NULL
, NULL
);
1800 /* Currently SetNamedPipeHandleState() is a stub returning FALSE */
1801 if (ret
) FIXME("Now that SetNamedPipeHandleState() is more than a stub, please update CallNamedPipeW\n");
1809 ret
= TransactNamedPipe(pipe
, lpInput
, lpInputSize
, lpOutput
, lpOutputSize
, lpBytesRead
, NULL
);
1817 /******************************************************************
1818 * CreatePipe (KERNEL32.@)
1821 BOOL WINAPI
CreatePipe( PHANDLE hReadPipe
, PHANDLE hWritePipe
,
1822 LPSECURITY_ATTRIBUTES sa
, DWORD size
)
1824 static unsigned index
/* = 0 */;
1827 unsigned in_index
= index
;
1828 UNICODE_STRING nt_name
;
1829 OBJECT_ATTRIBUTES attr
;
1831 IO_STATUS_BLOCK iosb
;
1832 LARGE_INTEGER timeout
;
1834 *hReadPipe
= *hWritePipe
= INVALID_HANDLE_VALUE
;
1836 attr
.Length
= sizeof(attr
);
1837 attr
.RootDirectory
= 0;
1838 attr
.ObjectName
= &nt_name
;
1839 attr
.Attributes
= OBJ_CASE_INSENSITIVE
|
1840 ((sa
&& sa
->bInheritHandle
) ? OBJ_INHERIT
: 0);
1841 attr
.SecurityDescriptor
= sa
? sa
->lpSecurityDescriptor
: NULL
;
1842 attr
.SecurityQualityOfService
= NULL
;
1844 timeout
.QuadPart
= (ULONGLONG
)NMPWAIT_USE_DEFAULT_WAIT
* -10000;
1845 /* generate a unique pipe name (system wide) */
1848 static const WCHAR nameFmt
[] = { '\\','?','?','\\','p','i','p','e',
1849 '\\','W','i','n','3','2','.','P','i','p','e','s','.','%','0','8','l',
1850 'u','.','%','0','8','u','\0' };
1852 snprintfW(name
, sizeof(name
) / sizeof(name
[0]), nameFmt
,
1853 GetCurrentProcessId(), ++index
);
1854 RtlInitUnicodeString(&nt_name
, name
);
1855 status
= NtCreateNamedPipeFile(&hr
, GENERIC_READ
| SYNCHRONIZE
, &attr
, &iosb
,
1856 0, FILE_OVERWRITE_IF
,
1857 FILE_SYNCHRONOUS_IO_ALERT
| FILE_PIPE_INBOUND
,
1858 FALSE
, FALSE
, FALSE
,
1859 1, size
, size
, &timeout
);
1862 SetLastError( RtlNtStatusToDosError(status
) );
1863 hr
= INVALID_HANDLE_VALUE
;
1865 } while (hr
== INVALID_HANDLE_VALUE
&& index
!= in_index
);
1866 /* from completion sakeness, I think system resources might be exhausted before this happens !! */
1867 if (hr
== INVALID_HANDLE_VALUE
) return FALSE
;
1869 status
= NtOpenFile(&hw
, GENERIC_WRITE
| SYNCHRONIZE
, &attr
, &iosb
, 0,
1870 FILE_SYNCHRONOUS_IO_ALERT
| FILE_NON_DIRECTORY_FILE
);
1874 SetLastError( RtlNtStatusToDosError(status
) );
1885 /******************************************************************************
1886 * CreateMailslotA [KERNEL32.@]
1888 * See CreateMailslotW.
1890 HANDLE WINAPI
CreateMailslotA( LPCSTR lpName
, DWORD nMaxMessageSize
,
1891 DWORD lReadTimeout
, LPSECURITY_ATTRIBUTES sa
)
1897 TRACE("%s %d %d %p\n", debugstr_a(lpName
),
1898 nMaxMessageSize
, lReadTimeout
, sa
);
1902 len
= MultiByteToWideChar( CP_ACP
, 0, lpName
, -1, NULL
, 0 );
1903 name
= HeapAlloc( GetProcessHeap(), 0, len
*sizeof(WCHAR
) );
1904 MultiByteToWideChar( CP_ACP
, 0, lpName
, -1, name
, len
);
1907 handle
= CreateMailslotW( name
, nMaxMessageSize
, lReadTimeout
, sa
);
1909 HeapFree( GetProcessHeap(), 0, name
);
1915 /******************************************************************************
1916 * CreateMailslotW [KERNEL32.@]
1918 * Create a mailslot with specified name.
1921 * lpName [I] Pointer to string for mailslot name
1922 * nMaxMessageSize [I] Maximum message size
1923 * lReadTimeout [I] Milliseconds before read time-out
1924 * sa [I] Pointer to security structure
1927 * Success: Handle to mailslot
1928 * Failure: INVALID_HANDLE_VALUE
1930 HANDLE WINAPI
CreateMailslotW( LPCWSTR lpName
, DWORD nMaxMessageSize
,
1931 DWORD lReadTimeout
, LPSECURITY_ATTRIBUTES sa
)
1933 HANDLE handle
= INVALID_HANDLE_VALUE
;
1934 OBJECT_ATTRIBUTES attr
;
1935 UNICODE_STRING nameW
;
1936 LARGE_INTEGER timeout
;
1937 IO_STATUS_BLOCK iosb
;
1940 TRACE("%s %d %d %p\n", debugstr_w(lpName
),
1941 nMaxMessageSize
, lReadTimeout
, sa
);
1943 if (!RtlDosPathNameToNtPathName_U( lpName
, &nameW
, NULL
, NULL
))
1945 SetLastError( ERROR_PATH_NOT_FOUND
);
1946 return INVALID_HANDLE_VALUE
;
1949 if (nameW
.Length
>= MAX_PATH
* sizeof(WCHAR
) )
1951 SetLastError( ERROR_FILENAME_EXCED_RANGE
);
1952 RtlFreeUnicodeString( &nameW
);
1953 return INVALID_HANDLE_VALUE
;
1956 attr
.Length
= sizeof(attr
);
1957 attr
.RootDirectory
= 0;
1958 attr
.Attributes
= OBJ_CASE_INSENSITIVE
;
1959 attr
.ObjectName
= &nameW
;
1960 attr
.SecurityDescriptor
= sa
? sa
->lpSecurityDescriptor
: NULL
;
1961 attr
.SecurityQualityOfService
= NULL
;
1963 if (lReadTimeout
!= MAILSLOT_WAIT_FOREVER
)
1964 timeout
.QuadPart
= (ULONGLONG
) lReadTimeout
* -10000;
1966 timeout
.QuadPart
= ((LONGLONG
)0x7fffffff << 32) | 0xffffffff;
1968 status
= NtCreateMailslotFile( &handle
, GENERIC_READ
| SYNCHRONIZE
, &attr
,
1969 &iosb
, 0, 0, nMaxMessageSize
, &timeout
);
1972 SetLastError( RtlNtStatusToDosError(status
) );
1973 handle
= INVALID_HANDLE_VALUE
;
1976 RtlFreeUnicodeString( &nameW
);
1981 /******************************************************************************
1982 * GetMailslotInfo [KERNEL32.@]
1984 * Retrieve information about a mailslot.
1987 * hMailslot [I] Mailslot handle
1988 * lpMaxMessageSize [O] Address of maximum message size
1989 * lpNextSize [O] Address of size of next message
1990 * lpMessageCount [O] Address of number of messages
1991 * lpReadTimeout [O] Address of read time-out
1997 BOOL WINAPI
GetMailslotInfo( HANDLE hMailslot
, LPDWORD lpMaxMessageSize
,
1998 LPDWORD lpNextSize
, LPDWORD lpMessageCount
,
1999 LPDWORD lpReadTimeout
)
2001 FILE_MAILSLOT_QUERY_INFORMATION info
;
2002 IO_STATUS_BLOCK iosb
;
2005 TRACE("%p %p %p %p %p\n",hMailslot
, lpMaxMessageSize
,
2006 lpNextSize
, lpMessageCount
, lpReadTimeout
);
2008 status
= NtQueryInformationFile( hMailslot
, &iosb
, &info
, sizeof info
,
2009 FileMailslotQueryInformation
);
2011 if( status
!= STATUS_SUCCESS
)
2013 SetLastError( RtlNtStatusToDosError(status
) );
2017 if( lpMaxMessageSize
)
2018 *lpMaxMessageSize
= info
.MaximumMessageSize
;
2020 *lpNextSize
= info
.NextMessageSize
;
2021 if( lpMessageCount
)
2022 *lpMessageCount
= info
.MessagesAvailable
;
2025 if (info
.ReadTimeout
.QuadPart
== (((LONGLONG
)0x7fffffff << 32) | 0xffffffff))
2026 *lpReadTimeout
= MAILSLOT_WAIT_FOREVER
;
2028 *lpReadTimeout
= info
.ReadTimeout
.QuadPart
/ -10000;
2034 /******************************************************************************
2035 * SetMailslotInfo [KERNEL32.@]
2037 * Set the read timeout of a mailslot.
2040 * hMailslot [I] Mailslot handle
2041 * dwReadTimeout [I] Timeout in milliseconds.
2047 BOOL WINAPI
SetMailslotInfo( HANDLE hMailslot
, DWORD dwReadTimeout
)
2049 FILE_MAILSLOT_SET_INFORMATION info
;
2050 IO_STATUS_BLOCK iosb
;
2053 TRACE("%p %d\n", hMailslot
, dwReadTimeout
);
2055 if (dwReadTimeout
!= MAILSLOT_WAIT_FOREVER
)
2056 info
.ReadTimeout
.QuadPart
= (ULONGLONG
)dwReadTimeout
* -10000;
2058 info
.ReadTimeout
.QuadPart
= ((LONGLONG
)0x7fffffff << 32) | 0xffffffff;
2059 status
= NtSetInformationFile( hMailslot
, &iosb
, &info
, sizeof info
,
2060 FileMailslotSetInformation
);
2061 if( status
!= STATUS_SUCCESS
)
2063 SetLastError( RtlNtStatusToDosError(status
) );
2070 /******************************************************************************
2071 * CreateIoCompletionPort (KERNEL32.@)
2073 HANDLE WINAPI
CreateIoCompletionPort(HANDLE hFileHandle
, HANDLE hExistingCompletionPort
,
2074 ULONG_PTR CompletionKey
, DWORD dwNumberOfConcurrentThreads
)
2079 TRACE("(%p, %p, %08lx, %08x)\n",
2080 hFileHandle
, hExistingCompletionPort
, CompletionKey
, dwNumberOfConcurrentThreads
);
2082 if (hExistingCompletionPort
&& hFileHandle
== INVALID_HANDLE_VALUE
)
2084 SetLastError( ERROR_INVALID_PARAMETER
);
2088 if (hExistingCompletionPort
)
2089 ret
= hExistingCompletionPort
;
2092 status
= NtCreateIoCompletion( &ret
, IO_COMPLETION_ALL_ACCESS
, NULL
, dwNumberOfConcurrentThreads
);
2093 if (status
!= STATUS_SUCCESS
) goto fail
;
2096 if (hFileHandle
!= INVALID_HANDLE_VALUE
)
2098 FILE_COMPLETION_INFORMATION info
;
2099 IO_STATUS_BLOCK iosb
;
2101 info
.CompletionPort
= ret
;
2102 info
.CompletionKey
= CompletionKey
;
2103 status
= NtSetInformationFile( hFileHandle
, &iosb
, &info
, sizeof(info
), FileCompletionInformation
);
2104 if (status
!= STATUS_SUCCESS
) goto fail
;
2110 if (ret
&& !hExistingCompletionPort
)
2112 SetLastError( RtlNtStatusToDosError(status
) );
2116 /******************************************************************************
2117 * GetQueuedCompletionStatus (KERNEL32.@)
2119 BOOL WINAPI
GetQueuedCompletionStatus( HANDLE CompletionPort
, LPDWORD lpNumberOfBytesTransferred
,
2120 PULONG_PTR pCompletionKey
, LPOVERLAPPED
*lpOverlapped
,
2121 DWORD dwMilliseconds
)
2124 IO_STATUS_BLOCK iosb
;
2125 LARGE_INTEGER wait_time
;
2127 TRACE("(%p,%p,%p,%p,%d)\n",
2128 CompletionPort
,lpNumberOfBytesTransferred
,pCompletionKey
,lpOverlapped
,dwMilliseconds
);
2130 *lpOverlapped
= NULL
;
2132 status
= NtRemoveIoCompletion( CompletionPort
, pCompletionKey
, (PULONG_PTR
)lpOverlapped
,
2133 &iosb
, get_nt_timeout( &wait_time
, dwMilliseconds
) );
2134 if (status
== STATUS_SUCCESS
)
2136 *lpNumberOfBytesTransferred
= iosb
.Information
;
2140 SetLastError( RtlNtStatusToDosError(status
) );
2145 /******************************************************************************
2146 * PostQueuedCompletionStatus (KERNEL32.@)
2148 BOOL WINAPI
PostQueuedCompletionStatus( HANDLE CompletionPort
, DWORD dwNumberOfBytes
,
2149 ULONG_PTR dwCompletionKey
, LPOVERLAPPED lpOverlapped
)
2153 TRACE("%p %d %08lx %p\n", CompletionPort
, dwNumberOfBytes
, dwCompletionKey
, lpOverlapped
);
2155 status
= NtSetIoCompletion( CompletionPort
, dwCompletionKey
, (ULONG_PTR
)lpOverlapped
,
2156 STATUS_SUCCESS
, dwNumberOfBytes
);
2158 if (status
== STATUS_SUCCESS
) return TRUE
;
2159 SetLastError( RtlNtStatusToDosError(status
) );
2163 /******************************************************************************
2164 * BindIoCompletionCallback (KERNEL32.@)
2166 BOOL WINAPI
BindIoCompletionCallback( HANDLE FileHandle
, LPOVERLAPPED_COMPLETION_ROUTINE Function
, ULONG Flags
)
2170 TRACE("(%p, %p, %d)\n", FileHandle
, Function
, Flags
);
2172 status
= RtlSetIoCompletionCallback( FileHandle
, (PRTL_OVERLAPPED_COMPLETION_ROUTINE
)Function
, Flags
);
2173 if (status
== STATUS_SUCCESS
) return TRUE
;
2174 SetLastError( RtlNtStatusToDosError(status
) );
2180 /***********************************************************************
2181 * InterlockedCompareExchange (KERNEL32.@)
2183 /* LONG WINAPI InterlockedCompareExchange( PLONG dest, LONG xchg, LONG compare ); */
2184 __ASM_GLOBAL_FUNC(InterlockedCompareExchange
,
2185 "movl 12(%esp),%eax\n\t"
2186 "movl 8(%esp),%ecx\n\t"
2187 "movl 4(%esp),%edx\n\t"
2188 "lock; cmpxchgl %ecx,(%edx)\n\t"
2191 /***********************************************************************
2192 * InterlockedExchange (KERNEL32.@)
2194 /* LONG WINAPI InterlockedExchange( PLONG dest, LONG val ); */
2195 __ASM_GLOBAL_FUNC(InterlockedExchange
,
2196 "movl 8(%esp),%eax\n\t"
2197 "movl 4(%esp),%edx\n\t"
2198 "lock; xchgl %eax,(%edx)\n\t"
2201 /***********************************************************************
2202 * InterlockedExchangeAdd (KERNEL32.@)
2204 /* LONG WINAPI InterlockedExchangeAdd( PLONG dest, LONG incr ); */
2205 __ASM_GLOBAL_FUNC(InterlockedExchangeAdd
,
2206 "movl 8(%esp),%eax\n\t"
2207 "movl 4(%esp),%edx\n\t"
2208 "lock; xaddl %eax,(%edx)\n\t"
2211 /***********************************************************************
2212 * InterlockedIncrement (KERNEL32.@)
2214 /* LONG WINAPI InterlockedIncrement( PLONG dest ); */
2215 __ASM_GLOBAL_FUNC(InterlockedIncrement
,
2216 "movl 4(%esp),%edx\n\t"
2218 "lock; xaddl %eax,(%edx)\n\t"
2222 /***********************************************************************
2223 * InterlockedDecrement (KERNEL32.@)
2225 __ASM_GLOBAL_FUNC(InterlockedDecrement
,
2226 "movl 4(%esp),%edx\n\t"
2228 "lock; xaddl %eax,(%edx)\n\t"
2232 #else /* __i386__ */
2234 /***********************************************************************
2235 * InterlockedCompareExchange (KERNEL32.@)
2237 * Atomically swap one value with another.
2240 * dest [I/O] The value to replace
2241 * xchq [I] The value to be swapped
2242 * compare [I] The value to compare to dest
2245 * The resulting value of dest.
2248 * dest is updated only if it is equal to compare, otherwise no swap is done.
2250 LONG WINAPI
InterlockedCompareExchange( LONG
volatile *dest
, LONG xchg
, LONG compare
)
2252 return interlocked_cmpxchg( (int *)dest
, xchg
, compare
);
2255 /***********************************************************************
2256 * InterlockedExchange (KERNEL32.@)
2258 * Atomically swap one value with another.
2261 * dest [I/O] The value to replace
2262 * val [I] The value to be swapped
2265 * The resulting value of dest.
2267 LONG WINAPI
InterlockedExchange( LONG
volatile *dest
, LONG val
)
2269 return interlocked_xchg( (int *)dest
, val
);
2272 /***********************************************************************
2273 * InterlockedExchangeAdd (KERNEL32.@)
2275 * Atomically add one value to another.
2278 * dest [I/O] The value to add to
2279 * incr [I] The value to be added
2282 * The resulting value of dest.
2284 LONG WINAPI
InterlockedExchangeAdd( LONG
volatile *dest
, LONG incr
)
2286 return interlocked_xchg_add( (int *)dest
, incr
);
2289 /***********************************************************************
2290 * InterlockedIncrement (KERNEL32.@)
2292 * Atomically increment a value.
2295 * dest [I/O] The value to increment
2298 * The resulting value of dest.
2300 LONG WINAPI
InterlockedIncrement( LONG
volatile *dest
)
2302 return interlocked_xchg_add( (int *)dest
, 1 ) + 1;
2305 /***********************************************************************
2306 * InterlockedDecrement (KERNEL32.@)
2308 * Atomically decrement a value.
2311 * dest [I/O] The value to decrement
2314 * The resulting value of dest.
2316 LONG WINAPI
InterlockedDecrement( LONG
volatile *dest
)
2318 return interlocked_xchg_add( (int *)dest
, -1 ) - 1;
2321 #endif /* __i386__ */