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 )
311 FIXME("%p %p\n",WaitHandle, CompletionEvent);
315 /***********************************************************************
316 * SignalObjectAndWait (KERNEL32.@)
318 * Allows to atomically signal any of the synchro objects (semaphore,
319 * mutex, event) and wait on another.
321 DWORD WINAPI SignalObjectAndWait( HANDLE hObjectToSignal, HANDLE hObjectToWaitOn,
322 DWORD dwMilliseconds, BOOL bAlertable )
325 LARGE_INTEGER timeout;
327 TRACE("%p %p %d %d\n", hObjectToSignal,
328 hObjectToWaitOn, dwMilliseconds, bAlertable);
330 status = NtSignalAndWaitForSingleObject( hObjectToSignal, hObjectToWaitOn, bAlertable,
331 get_nt_timeout( &timeout, dwMilliseconds ) );
334 SetLastError( RtlNtStatusToDosError(status) );
335 status = WAIT_FAILED;
340 /***********************************************************************
341 * InitializeCriticalSection (KERNEL32.@)
343 * Initialise a critical section before use.
346 * crit [O] Critical section to initialise.
349 * Nothing. If the function fails an exception is raised.
351 void WINAPI InitializeCriticalSection( CRITICAL_SECTION *crit )
353 InitializeCriticalSectionEx( crit, 0, 0 );
356 /***********************************************************************
357 * InitializeCriticalSectionAndSpinCount (KERNEL32.@)
359 * Initialise a critical section with a spin count.
362 * crit [O] Critical section to initialise.
363 * spincount [I] Number of times to spin upon contention.
367 * Failure: Nothing. If the function fails an exception is raised.
370 * spincount is ignored on uni-processor systems.
372 BOOL WINAPI InitializeCriticalSectionAndSpinCount( CRITICAL_SECTION *crit, DWORD spincount )
374 return InitializeCriticalSectionEx( crit, spincount, 0 );
377 /***********************************************************************
378 * InitializeCriticalSectionEx (KERNEL32.@)
380 * Initialise a critical section with a spin count and flags.
383 * crit [O] Critical section to initialise.
384 * spincount [I] Number of times to spin upon contention.
385 * flags [I] CRITICAL_SECTION_ flags from winbase.h.
389 * Failure: Nothing. If the function fails an exception is raised.
392 * spincount is ignored on uni-processor systems.
394 BOOL WINAPI InitializeCriticalSectionEx( CRITICAL_SECTION *crit, DWORD spincount, DWORD flags )
396 NTSTATUS ret = RtlInitializeCriticalSectionEx( crit, spincount, flags );
397 if (ret) RtlRaiseStatus( ret );
401 /***********************************************************************
402 * MakeCriticalSectionGlobal (KERNEL32.@)
404 void WINAPI MakeCriticalSectionGlobal( CRITICAL_SECTION *crit )
406 /* let's assume that only one thread at a time will try to do this */
407 HANDLE sem = crit->LockSemaphore;
408 if (!sem) NtCreateSemaphore( &sem, SEMAPHORE_ALL_ACCESS, NULL, 0, 1 );
409 crit->LockSemaphore = ConvertToGlobalHandle( sem );
410 RtlFreeHeap( GetProcessHeap(), 0, crit->DebugInfo );
411 crit->DebugInfo = NULL;
415 /***********************************************************************
416 * ReinitializeCriticalSection (KERNEL32.@)
418 * Initialise an already used critical section.
421 * crit [O] Critical section to initialise.
426 void WINAPI ReinitializeCriticalSection( CRITICAL_SECTION *crit )
428 if ( !crit->LockSemaphore )
429 RtlInitializeCriticalSection( crit );
433 /***********************************************************************
434 * UninitializeCriticalSection (KERNEL32.@)
436 * UnInitialise a critical section after use.
439 * crit [O] Critical section to uninitialise (destroy).
444 void WINAPI UninitializeCriticalSection( CRITICAL_SECTION *crit )
446 RtlDeleteCriticalSection( crit );
450 /***********************************************************************
451 * CreateEventA (KERNEL32.@)
453 HANDLE WINAPI CreateEventA( SECURITY_ATTRIBUTES *sa, BOOL manual_reset,
454 BOOL initial_state, LPCSTR name )
456 WCHAR buffer[MAX_PATH];
458 if (!name) return CreateEventW( sa, manual_reset, initial_state, NULL );
460 if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
462 SetLastError( ERROR_FILENAME_EXCED_RANGE );
465 return CreateEventW( sa, manual_reset, initial_state, buffer );
469 /***********************************************************************
470 * CreateEventW (KERNEL32.@)
472 HANDLE WINAPI CreateEventW( SECURITY_ATTRIBUTES *sa, BOOL manual_reset,
473 BOOL initial_state, LPCWSTR name )
476 UNICODE_STRING nameW;
477 OBJECT_ATTRIBUTES attr;
480 /* one buggy program needs this
481 * ("Van Dale Groot woordenboek der Nederlandse taal")
483 if (sa && IsBadReadPtr(sa,sizeof(SECURITY_ATTRIBUTES)))
485 ERR("Bad security attributes pointer %p\n",sa);
486 SetLastError( ERROR_INVALID_PARAMETER);
490 attr.Length = sizeof(attr);
491 attr.RootDirectory = 0;
492 attr.ObjectName = NULL;
493 attr.Attributes = OBJ_OPENIF | ((sa && sa->bInheritHandle) ? OBJ_INHERIT : 0);
494 attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
495 attr.SecurityQualityOfService = NULL;
498 RtlInitUnicodeString( &nameW, name );
499 attr.ObjectName = &nameW;
500 attr.RootDirectory = get_BaseNamedObjects_handle();
503 status = NtCreateEvent( &ret, EVENT_ALL_ACCESS, &attr, manual_reset, initial_state );
504 if (status == STATUS_OBJECT_NAME_EXISTS)
505 SetLastError( ERROR_ALREADY_EXISTS );
507 SetLastError( RtlNtStatusToDosError(status) );
512 /***********************************************************************
513 * CreateW32Event (KERNEL.457)
515 HANDLE WINAPI WIN16_CreateEvent( BOOL manual_reset, BOOL initial_state )
517 return CreateEventW( NULL, manual_reset, initial_state, NULL );
521 /***********************************************************************
522 * OpenEventA (KERNEL32.@)
524 HANDLE WINAPI OpenEventA( DWORD access, BOOL inherit, LPCSTR name )
526 WCHAR buffer[MAX_PATH];
528 if (!name) return OpenEventW( access, inherit, NULL );
530 if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
532 SetLastError( ERROR_FILENAME_EXCED_RANGE );
535 return OpenEventW( access, inherit, buffer );
539 /***********************************************************************
540 * OpenEventW (KERNEL32.@)
542 HANDLE WINAPI OpenEventW( DWORD access, BOOL inherit, LPCWSTR name )
545 UNICODE_STRING nameW;
546 OBJECT_ATTRIBUTES attr;
549 if (!is_version_nt()) access = EVENT_ALL_ACCESS;
551 attr.Length = sizeof(attr);
552 attr.RootDirectory = 0;
553 attr.ObjectName = NULL;
554 attr.Attributes = inherit ? OBJ_INHERIT : 0;
555 attr.SecurityDescriptor = NULL;
556 attr.SecurityQualityOfService = NULL;
559 RtlInitUnicodeString( &nameW, name );
560 attr.ObjectName = &nameW;
561 attr.RootDirectory = get_BaseNamedObjects_handle();
564 status = NtOpenEvent( &ret, access, &attr );
565 if (status != STATUS_SUCCESS)
567 SetLastError( RtlNtStatusToDosError(status) );
573 /***********************************************************************
574 * PulseEvent (KERNEL32.@)
576 BOOL WINAPI PulseEvent( HANDLE handle )
580 if ((status = NtPulseEvent( handle, NULL )))
581 SetLastError( RtlNtStatusToDosError(status) );
586 /***********************************************************************
587 * SetW32Event (KERNEL.458)
588 * SetEvent (KERNEL32.@)
590 BOOL WINAPI SetEvent( HANDLE handle )
594 if ((status = NtSetEvent( handle, NULL )))
595 SetLastError( RtlNtStatusToDosError(status) );
600 /***********************************************************************
601 * ResetW32Event (KERNEL.459)
602 * ResetEvent (KERNEL32.@)
604 BOOL WINAPI ResetEvent( HANDLE handle )
608 if ((status = NtResetEvent( handle, NULL )))
609 SetLastError( RtlNtStatusToDosError(status) );
614 /***********************************************************************
615 * NOTE: The Win95 VWin32_Event routines given below are really low-level
616 * routines implemented directly by VWin32. The user-mode libraries
617 * implement Win32 synchronisation routines on top of these low-level
618 * primitives. We do it the other way around here :-)
621 /***********************************************************************
622 * VWin32_EventCreate (KERNEL.442)
624 HANDLE WINAPI VWin32_EventCreate(VOID)
626 HANDLE hEvent = CreateEventW( NULL, FALSE, 0, NULL );
627 return ConvertToGlobalHandle( hEvent );
630 /***********************************************************************
631 * VWin32_EventDestroy (KERNEL.443)
633 VOID WINAPI VWin32_EventDestroy(HANDLE event)
635 CloseHandle( event );
638 /***********************************************************************
639 * VWin32_EventWait (KERNEL.450)
641 VOID WINAPI VWin32_EventWait(HANDLE event)
645 ReleaseThunkLock( &mutex_count );
646 WaitForSingleObject( event, INFINITE );
647 RestoreThunkLock( mutex_count );
650 /***********************************************************************
651 * VWin32_EventSet (KERNEL.451)
652 * KERNEL_479 (KERNEL.479)
654 VOID WINAPI VWin32_EventSet(HANDLE event)
661 /***********************************************************************
662 * CreateMutexA (KERNEL32.@)
664 HANDLE WINAPI CreateMutexA( SECURITY_ATTRIBUTES *sa, BOOL owner, LPCSTR name )
666 WCHAR buffer[MAX_PATH];
668 if (!name) return CreateMutexW( sa, owner, NULL );
670 if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
672 SetLastError( ERROR_FILENAME_EXCED_RANGE );
675 return CreateMutexW( sa, owner, buffer );
679 /***********************************************************************
680 * CreateMutexW (KERNEL32.@)
682 HANDLE WINAPI CreateMutexW( SECURITY_ATTRIBUTES *sa, BOOL owner, LPCWSTR name )
685 UNICODE_STRING nameW;
686 OBJECT_ATTRIBUTES attr;
689 attr.Length = sizeof(attr);
690 attr.RootDirectory = 0;
691 attr.ObjectName = NULL;
692 attr.Attributes = OBJ_OPENIF | ((sa && sa->bInheritHandle) ? OBJ_INHERIT : 0);
693 attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
694 attr.SecurityQualityOfService = NULL;
697 RtlInitUnicodeString( &nameW, name );
698 attr.ObjectName = &nameW;
699 attr.RootDirectory = get_BaseNamedObjects_handle();
702 status = NtCreateMutant( &ret, MUTEX_ALL_ACCESS, &attr, owner );
703 if (status == STATUS_OBJECT_NAME_EXISTS)
704 SetLastError( ERROR_ALREADY_EXISTS );
706 SetLastError( RtlNtStatusToDosError(status) );
711 /***********************************************************************
712 * OpenMutexA (KERNEL32.@)
714 HANDLE WINAPI OpenMutexA( DWORD access, BOOL inherit, LPCSTR name )
716 WCHAR buffer[MAX_PATH];
718 if (!name) return OpenMutexW( access, inherit, NULL );
720 if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
722 SetLastError( ERROR_FILENAME_EXCED_RANGE );
725 return OpenMutexW( access, inherit, buffer );
729 /***********************************************************************
730 * OpenMutexW (KERNEL32.@)
732 HANDLE WINAPI OpenMutexW( DWORD access, BOOL inherit, LPCWSTR name )
735 UNICODE_STRING nameW;
736 OBJECT_ATTRIBUTES attr;
739 if (!is_version_nt()) access = MUTEX_ALL_ACCESS;
741 attr.Length = sizeof(attr);
742 attr.RootDirectory = 0;
743 attr.ObjectName = NULL;
744 attr.Attributes = inherit ? OBJ_INHERIT : 0;
745 attr.SecurityDescriptor = NULL;
746 attr.SecurityQualityOfService = NULL;
749 RtlInitUnicodeString( &nameW, name );
750 attr.ObjectName = &nameW;
751 attr.RootDirectory = get_BaseNamedObjects_handle();
754 status = NtOpenMutant( &ret, access, &attr );
755 if (status != STATUS_SUCCESS)
757 SetLastError( RtlNtStatusToDosError(status) );
764 /***********************************************************************
765 * ReleaseMutex (KERNEL32.@)
767 BOOL WINAPI ReleaseMutex( HANDLE handle )
771 status = NtReleaseMutant(handle, NULL);
772 if (status != STATUS_SUCCESS)
774 SetLastError( RtlNtStatusToDosError(status) );
786 /***********************************************************************
787 * CreateSemaphoreA (KERNEL32.@)
789 HANDLE WINAPI CreateSemaphoreA( SECURITY_ATTRIBUTES *sa, LONG initial, LONG max, LPCSTR name )
791 WCHAR buffer[MAX_PATH];
793 if (!name) return CreateSemaphoreW( sa, initial, max, NULL );
795 if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
797 SetLastError( ERROR_FILENAME_EXCED_RANGE );
800 return CreateSemaphoreW( sa, initial, max, buffer );
804 /***********************************************************************
805 * CreateSemaphoreW (KERNEL32.@)
807 HANDLE WINAPI CreateSemaphoreW( SECURITY_ATTRIBUTES *sa, LONG initial,
808 LONG max, LPCWSTR name )
811 UNICODE_STRING nameW;
812 OBJECT_ATTRIBUTES attr;
815 attr.Length = sizeof(attr);
816 attr.RootDirectory = 0;
817 attr.ObjectName = NULL;
818 attr.Attributes = OBJ_OPENIF | ((sa && sa->bInheritHandle) ? OBJ_INHERIT : 0);
819 attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
820 attr.SecurityQualityOfService = NULL;
823 RtlInitUnicodeString( &nameW, name );
824 attr.ObjectName = &nameW;
825 attr.RootDirectory = get_BaseNamedObjects_handle();
828 status = NtCreateSemaphore( &ret, SEMAPHORE_ALL_ACCESS, &attr, initial, max );
829 if (status == STATUS_OBJECT_NAME_EXISTS)
830 SetLastError( ERROR_ALREADY_EXISTS );
832 SetLastError( RtlNtStatusToDosError(status) );
837 /***********************************************************************
838 * OpenSemaphoreA (KERNEL32.@)
840 HANDLE WINAPI OpenSemaphoreA( DWORD access, BOOL inherit, LPCSTR name )
842 WCHAR buffer[MAX_PATH];
844 if (!name) return OpenSemaphoreW( access, inherit, NULL );
846 if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
848 SetLastError( ERROR_FILENAME_EXCED_RANGE );
851 return OpenSemaphoreW( access, inherit, buffer );
855 /***********************************************************************
856 * OpenSemaphoreW (KERNEL32.@)
858 HANDLE WINAPI OpenSemaphoreW( DWORD access, BOOL inherit, LPCWSTR name )
861 UNICODE_STRING nameW;
862 OBJECT_ATTRIBUTES attr;
865 if (!is_version_nt()) access = SEMAPHORE_ALL_ACCESS;
867 attr.Length = sizeof(attr);
868 attr.RootDirectory = 0;
869 attr.ObjectName = NULL;
870 attr.Attributes = inherit ? OBJ_INHERIT : 0;
871 attr.SecurityDescriptor = NULL;
872 attr.SecurityQualityOfService = NULL;
875 RtlInitUnicodeString( &nameW, name );
876 attr.ObjectName = &nameW;
877 attr.RootDirectory = get_BaseNamedObjects_handle();
880 status = NtOpenSemaphore( &ret, access, &attr );
881 if (status != STATUS_SUCCESS)
883 SetLastError( RtlNtStatusToDosError(status) );
890 /***********************************************************************
891 * ReleaseSemaphore (KERNEL32.@)
893 BOOL WINAPI ReleaseSemaphore( HANDLE handle, LONG count, LONG *previous )
895 NTSTATUS status = NtReleaseSemaphore( handle, count, (PULONG)previous );
896 if (status) SetLastError( RtlNtStatusToDosError(status) );
906 /***********************************************************************
907 * CreateWaitableTimerA (KERNEL32.@)
909 HANDLE WINAPI CreateWaitableTimerA( SECURITY_ATTRIBUTES *sa, BOOL manual, LPCSTR name )
911 WCHAR buffer[MAX_PATH];
913 if (!name) return CreateWaitableTimerW( sa, manual, NULL );
915 if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
917 SetLastError( ERROR_FILENAME_EXCED_RANGE );
920 return CreateWaitableTimerW( sa, manual, buffer );
924 /***********************************************************************
925 * CreateWaitableTimerW (KERNEL32.@)
927 HANDLE WINAPI CreateWaitableTimerW( SECURITY_ATTRIBUTES *sa, BOOL manual, LPCWSTR name )
931 UNICODE_STRING nameW;
932 OBJECT_ATTRIBUTES attr;
934 attr.Length = sizeof(attr);
935 attr.RootDirectory = 0;
936 attr.ObjectName = NULL;
937 attr.Attributes = OBJ_OPENIF | ((sa && sa->bInheritHandle) ? OBJ_INHERIT : 0);
938 attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
939 attr.SecurityQualityOfService = NULL;
942 RtlInitUnicodeString( &nameW, name );
943 attr.ObjectName = &nameW;
944 attr.RootDirectory = get_BaseNamedObjects_handle();
947 status = NtCreateTimer(&handle, TIMER_ALL_ACCESS, &attr,
948 manual ? NotificationTimer : SynchronizationTimer);
949 if (status == STATUS_OBJECT_NAME_EXISTS)
950 SetLastError( ERROR_ALREADY_EXISTS );
952 SetLastError( RtlNtStatusToDosError(status) );
957 /***********************************************************************
958 * OpenWaitableTimerA (KERNEL32.@)
960 HANDLE WINAPI OpenWaitableTimerA( DWORD access, BOOL inherit, LPCSTR name )
962 WCHAR buffer[MAX_PATH];
964 if (!name) return OpenWaitableTimerW( access, inherit, NULL );
966 if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
968 SetLastError( ERROR_FILENAME_EXCED_RANGE );
971 return OpenWaitableTimerW( access, inherit, buffer );
975 /***********************************************************************
976 * OpenWaitableTimerW (KERNEL32.@)
978 HANDLE WINAPI OpenWaitableTimerW( DWORD access, BOOL inherit, LPCWSTR name )
981 UNICODE_STRING nameW;
982 OBJECT_ATTRIBUTES attr;
985 if (!is_version_nt()) access = TIMER_ALL_ACCESS;
987 attr.Length = sizeof(attr);
988 attr.RootDirectory = 0;
989 attr.ObjectName = NULL;
990 attr.Attributes = inherit ? OBJ_INHERIT : 0;
991 attr.SecurityDescriptor = NULL;
992 attr.SecurityQualityOfService = NULL;
995 RtlInitUnicodeString( &nameW, name );
996 attr.ObjectName = &nameW;
997 attr.RootDirectory = get_BaseNamedObjects_handle();
1000 status = NtOpenTimer(&handle, access, &attr);
1001 if (status != STATUS_SUCCESS)
1003 SetLastError( RtlNtStatusToDosError(status) );
1010 /***********************************************************************
1011 * SetWaitableTimer (KERNEL32.@)
1013 BOOL WINAPI SetWaitableTimer( HANDLE handle, const LARGE_INTEGER *when, LONG period,
1014 PTIMERAPCROUTINE callback, LPVOID arg, BOOL resume )
1016 NTSTATUS status = NtSetTimer(handle, when, (PTIMER_APC_ROUTINE)callback,
1017 arg, resume, period, NULL);
1019 if (status != STATUS_SUCCESS)
1021 SetLastError( RtlNtStatusToDosError(status) );
1022 if (status != STATUS_TIMER_RESUME_IGNORED) return FALSE;
1028 /***********************************************************************
1029 * CancelWaitableTimer (KERNEL32.@)
1031 BOOL WINAPI CancelWaitableTimer( HANDLE handle )
1035 status = NtCancelTimer(handle, NULL);
1036 if (status != STATUS_SUCCESS)
1038 SetLastError( RtlNtStatusToDosError(status) );
1045 /***********************************************************************
1046 * CreateTimerQueue (KERNEL32.@)
1048 HANDLE WINAPI CreateTimerQueue(void)
1051 NTSTATUS status = RtlCreateTimerQueue(&q);
1053 if (status != STATUS_SUCCESS)
1055 SetLastError( RtlNtStatusToDosError(status) );
1063 /***********************************************************************
1064 * DeleteTimerQueueEx (KERNEL32.@)
1066 BOOL WINAPI DeleteTimerQueueEx(HANDLE TimerQueue, HANDLE CompletionEvent)
1068 NTSTATUS status = RtlDeleteTimerQueueEx(TimerQueue, CompletionEvent);
1070 if (status != STATUS_SUCCESS)
1072 SetLastError( RtlNtStatusToDosError(status) );
1079 /***********************************************************************
1080 * CreateTimerQueueTimer (KERNEL32.@)
1082 * Creates a timer-queue timer. This timer expires at the specified due
1083 * time (in ms), then after every specified period (in ms). When the timer
1084 * expires, the callback function is called.
1087 * nonzero on success or zero on failure
1092 BOOL WINAPI CreateTimerQueueTimer( PHANDLE phNewTimer, HANDLE TimerQueue,
1093 WAITORTIMERCALLBACK Callback, PVOID Parameter,
1094 DWORD DueTime, DWORD Period, ULONG Flags )
1097 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1101 /***********************************************************************
1102 * ChangeTimerQueueTimer (KERNEL32.@)
1104 * Changes the times at which the timer expires.
1107 * nonzero on success or zero on failure
1112 BOOL WINAPI ChangeTimerQueueTimer( HANDLE TimerQueue, HANDLE Timer,
1113 ULONG DueTime, ULONG Period )
1116 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1120 /***********************************************************************
1121 * DeleteTimerQueueTimer (KERNEL32.@)
1123 * Cancels a timer-queue timer.
1126 * nonzero on success or zero on failure
1131 BOOL WINAPI DeleteTimerQueueTimer( HANDLE TimerQueue, HANDLE Timer,
1132 HANDLE CompletionEvent )
1135 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1145 /***********************************************************************
1146 * CreateNamedPipeA (KERNEL32.@)
1148 HANDLE WINAPI CreateNamedPipeA( LPCSTR name, DWORD dwOpenMode,
1149 DWORD dwPipeMode, DWORD nMaxInstances,
1150 DWORD nOutBufferSize, DWORD nInBufferSize,
1151 DWORD nDefaultTimeOut, LPSECURITY_ATTRIBUTES attr )
1153 WCHAR buffer[MAX_PATH];
1155 if (!name) return CreateNamedPipeW( NULL, dwOpenMode, dwPipeMode, nMaxInstances,
1156 nOutBufferSize, nInBufferSize, nDefaultTimeOut, attr );
1158 if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
1160 SetLastError( ERROR_FILENAME_EXCED_RANGE );
1161 return INVALID_HANDLE_VALUE;
1163 return CreateNamedPipeW( buffer, dwOpenMode, dwPipeMode, nMaxInstances,
1164 nOutBufferSize, nInBufferSize, nDefaultTimeOut, attr );
1168 /***********************************************************************
1169 * CreateNamedPipeW (KERNEL32.@)
1171 HANDLE WINAPI CreateNamedPipeW( LPCWSTR name, DWORD dwOpenMode,
1172 DWORD dwPipeMode, DWORD nMaxInstances,
1173 DWORD nOutBufferSize, DWORD nInBufferSize,
1174 DWORD nDefaultTimeOut, LPSECURITY_ATTRIBUTES sa )
1177 UNICODE_STRING nt_name;
1178 OBJECT_ATTRIBUTES attr;
1179 DWORD access, options;
1180 BOOLEAN pipe_type, read_mode, non_block;
1182 IO_STATUS_BLOCK iosb;
1183 LARGE_INTEGER timeout;
1185 TRACE("(%s, %#08x, %#08x, %d, %d, %d, %d, %p)\n",
1186 debugstr_w(name), dwOpenMode, dwPipeMode, nMaxInstances,
1187 nOutBufferSize, nInBufferSize, nDefaultTimeOut, sa );
1189 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
1191 SetLastError( ERROR_PATH_NOT_FOUND );
1192 return INVALID_HANDLE_VALUE;
1194 if (nt_name.Length >= MAX_PATH * sizeof(WCHAR) )
1196 SetLastError( ERROR_FILENAME_EXCED_RANGE );
1197 RtlFreeUnicodeString( &nt_name );
1198 return INVALID_HANDLE_VALUE;
1201 attr.Length = sizeof(attr);
1202 attr.RootDirectory = 0;
1203 attr.ObjectName = &nt_name;
1204 attr.Attributes = OBJ_CASE_INSENSITIVE |
1205 ((sa && sa->bInheritHandle) ? OBJ_INHERIT : 0);
1206 attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
1207 attr.SecurityQualityOfService = NULL;
1209 switch(dwOpenMode & 3)
1211 case PIPE_ACCESS_INBOUND:
1212 options = FILE_PIPE_INBOUND;
1213 access = GENERIC_READ;
1215 case PIPE_ACCESS_OUTBOUND:
1216 options = FILE_PIPE_OUTBOUND;
1217 access = GENERIC_WRITE;
1219 case PIPE_ACCESS_DUPLEX:
1220 options = FILE_PIPE_FULL_DUPLEX;
1221 access = GENERIC_READ | GENERIC_WRITE;
1224 SetLastError( ERROR_INVALID_PARAMETER );
1225 return INVALID_HANDLE_VALUE;
1227 access |= SYNCHRONIZE;
1228 if (dwOpenMode & FILE_FLAG_WRITE_THROUGH) options |= FILE_WRITE_THROUGH;
1229 if (!(dwOpenMode & FILE_FLAG_OVERLAPPED)) options |= FILE_SYNCHRONOUS_IO_ALERT;
1230 pipe_type = (dwPipeMode & PIPE_TYPE_MESSAGE) ? TRUE : FALSE;
1231 read_mode = (dwPipeMode & PIPE_READMODE_MESSAGE) ? TRUE : FALSE;
1232 non_block = (dwPipeMode & PIPE_NOWAIT) ? TRUE : FALSE;
1233 if (nMaxInstances >= PIPE_UNLIMITED_INSTANCES) nMaxInstances = ~0U;
1235 timeout.QuadPart = (ULONGLONG)nDefaultTimeOut * -10000;
1239 status = NtCreateNamedPipeFile(&handle, access, &attr, &iosb, 0,
1240 FILE_OVERWRITE_IF, options, pipe_type,
1241 read_mode, non_block, nMaxInstances,
1242 nInBufferSize, nOutBufferSize, &timeout);
1244 RtlFreeUnicodeString( &nt_name );
1247 handle = INVALID_HANDLE_VALUE;
1248 SetLastError( RtlNtStatusToDosError(status) );
1254 /***********************************************************************
1255 * PeekNamedPipe (KERNEL32.@)
1257 BOOL WINAPI PeekNamedPipe( HANDLE hPipe, LPVOID lpvBuffer, DWORD cbBuffer,
1258 LPDWORD lpcbRead, LPDWORD lpcbAvail, LPDWORD lpcbMessage )
1260 FILE_PIPE_PEEK_BUFFER local_buffer;
1261 FILE_PIPE_PEEK_BUFFER *buffer = &local_buffer;
1265 if (cbBuffer && !(buffer = HeapAlloc( GetProcessHeap(), 0,
1266 FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data[cbBuffer] ))))
1268 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1272 status = NtFsControlFile( hPipe, 0, NULL, NULL, &io, FSCTL_PIPE_PEEK, NULL, 0,
1273 buffer, FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data[cbBuffer] ) );
1276 ULONG read_size = io.Information - FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data );
1277 if (lpcbAvail) *lpcbAvail = buffer->ReadDataAvailable;
1278 if (lpcbRead) *lpcbRead = read_size;
1279 if (lpcbMessage) *lpcbMessage = 0; /* FIXME */
1280 if (lpvBuffer) memcpy( lpvBuffer, buffer->Data, read_size );
1282 else SetLastError( RtlNtStatusToDosError(status) );
1284 if (buffer != &local_buffer) HeapFree( GetProcessHeap(), 0, buffer );
1288 /***********************************************************************
1289 * WaitNamedPipeA (KERNEL32.@)
1291 BOOL WINAPI WaitNamedPipeA (LPCSTR name, DWORD nTimeOut)
1293 WCHAR buffer[MAX_PATH];
1295 if (!name) return WaitNamedPipeW( NULL, nTimeOut );
1297 if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
1299 SetLastError( ERROR_FILENAME_EXCED_RANGE );
1302 return WaitNamedPipeW( buffer, nTimeOut );
1306 /***********************************************************************
1307 * WaitNamedPipeW (KERNEL32.@)
1309 * Waits for a named pipe instance to become available
1312 * name [I] Pointer to a named pipe name to wait for
1313 * nTimeOut [I] How long to wait in ms
1316 * TRUE: Success, named pipe can be opened with CreateFile
1317 * FALSE: Failure, GetLastError can be called for further details
1319 BOOL WINAPI WaitNamedPipeW (LPCWSTR name, DWORD nTimeOut)
1321 static const WCHAR leadin[] = {'\\','?','?','\\','P','I','P','E','\\'};
1323 UNICODE_STRING nt_name, pipe_dev_name;
1324 FILE_PIPE_WAIT_FOR_BUFFER *pipe_wait;
1325 IO_STATUS_BLOCK iosb;
1326 OBJECT_ATTRIBUTES attr;
1330 TRACE("%s 0x%08x\n",debugstr_w(name),nTimeOut);
1332 if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
1335 if (nt_name.Length >= MAX_PATH * sizeof(WCHAR) ||
1336 nt_name.Length < sizeof(leadin) ||
1337 strncmpiW( nt_name.Buffer, leadin, sizeof(leadin)/sizeof(WCHAR) != 0))
1339 RtlFreeUnicodeString( &nt_name );
1340 SetLastError( ERROR_PATH_NOT_FOUND );
1344 sz_pipe_wait = sizeof(*pipe_wait) + nt_name.Length - sizeof(leadin) - sizeof(WCHAR);
1345 if (!(pipe_wait = HeapAlloc( GetProcessHeap(), 0, sz_pipe_wait)))
1347 RtlFreeUnicodeString( &nt_name );
1348 SetLastError( ERROR_OUTOFMEMORY );
1352 pipe_dev_name.Buffer = nt_name.Buffer;
1353 pipe_dev_name.Length = sizeof(leadin);
1354 pipe_dev_name.MaximumLength = sizeof(leadin);
1355 InitializeObjectAttributes(&attr,&pipe_dev_name, OBJ_CASE_INSENSITIVE, NULL, NULL);
1356 status = NtOpenFile( &pipe_dev, FILE_READ_ATTRIBUTES, &attr,
1357 &iosb, FILE_SHARE_READ | FILE_SHARE_WRITE,
1358 FILE_SYNCHRONOUS_IO_NONALERT);
1359 if (status != ERROR_SUCCESS)
1361 SetLastError( ERROR_PATH_NOT_FOUND );
1365 pipe_wait->TimeoutSpecified = !(nTimeOut == NMPWAIT_USE_DEFAULT_WAIT);
1366 if (nTimeOut == NMPWAIT_WAIT_FOREVER)
1367 pipe_wait->Timeout.QuadPart = ((ULONGLONG)0x7fffffff << 32) | 0xffffffff;
1369 pipe_wait->Timeout.QuadPart = (ULONGLONG)nTimeOut * -10000;
1370 pipe_wait->NameLength = nt_name.Length - sizeof(leadin);
1371 memcpy(pipe_wait->Name, nt_name.Buffer + sizeof(leadin)/sizeof(WCHAR),
1372 pipe_wait->NameLength);
1373 RtlFreeUnicodeString( &nt_name );
1375 status = NtFsControlFile( pipe_dev, NULL, NULL, NULL, &iosb, FSCTL_PIPE_WAIT,
1376 pipe_wait, sz_pipe_wait, NULL, 0 );
1378 HeapFree( GetProcessHeap(), 0, pipe_wait );
1379 NtClose( pipe_dev );
1381 if(status != STATUS_SUCCESS)
1383 SetLastError(RtlNtStatusToDosError(status));
1391 /***********************************************************************
1392 * ConnectNamedPipe (KERNEL32.@)
1394 * Connects to a named pipe
1397 * hPipe: A handle to a named pipe returned by CreateNamedPipe
1398 * overlapped: Optional OVERLAPPED struct
1402 * FALSE: Failure, GetLastError can be called for further details
1404 BOOL WINAPI ConnectNamedPipe(HANDLE hPipe, LPOVERLAPPED overlapped)
1407 IO_STATUS_BLOCK status_block;
1408 LPVOID cvalue = NULL;
1410 TRACE("(%p,%p)\n", hPipe, overlapped);
1414 overlapped->Internal = STATUS_PENDING;
1415 overlapped->InternalHigh = 0;
1416 if (((ULONG_PTR)overlapped->hEvent & 1) == 0) cvalue = overlapped;
1419 status = NtFsControlFile(hPipe, overlapped ? overlapped->hEvent : NULL, NULL, cvalue,
1420 overlapped ? (IO_STATUS_BLOCK *)overlapped : &status_block,
1421 FSCTL_PIPE_LISTEN, NULL, 0, NULL, 0);
1423 if (status == STATUS_SUCCESS) return TRUE;
1424 SetLastError( RtlNtStatusToDosError(status) );
1428 /***********************************************************************
1429 * DisconnectNamedPipe (KERNEL32.@)
1431 * Disconnects from a named pipe
1434 * hPipe: A handle to a named pipe returned by CreateNamedPipe
1438 * FALSE: Failure, GetLastError can be called for further details
1440 BOOL WINAPI DisconnectNamedPipe(HANDLE hPipe)
1443 IO_STATUS_BLOCK io_block;
1445 TRACE("(%p)\n",hPipe);
1447 status = NtFsControlFile(hPipe, 0, NULL, NULL, &io_block, FSCTL_PIPE_DISCONNECT,
1449 if (status == STATUS_SUCCESS) return TRUE;
1450 SetLastError( RtlNtStatusToDosError(status) );
1454 /***********************************************************************
1455 * TransactNamedPipe (KERNEL32.@)
1458 * should be done as a single operation in the wineserver or kernel
1460 BOOL WINAPI TransactNamedPipe(
1461 HANDLE handle, LPVOID write_buf, DWORD write_size, LPVOID read_buf,
1462 DWORD read_size, LPDWORD bytes_read, LPOVERLAPPED overlapped)
1467 TRACE("%p %p %d %p %d %p %p\n",
1468 handle, write_buf, write_size, read_buf,
1469 read_size, bytes_read, overlapped);
1473 FIXME("Doesn't support overlapped operation as yet\n");
1477 r = WriteFile(handle, write_buf, write_size, &count, NULL);
1479 r = ReadFile(handle, read_buf, read_size, bytes_read, NULL);
1484 /***********************************************************************
1485 * GetNamedPipeInfo (KERNEL32.@)
1487 BOOL WINAPI GetNamedPipeInfo(
1488 HANDLE hNamedPipe, LPDWORD lpFlags, LPDWORD lpOutputBufferSize,
1489 LPDWORD lpInputBufferSize, LPDWORD lpMaxInstances)
1491 FILE_PIPE_LOCAL_INFORMATION fpli;
1492 IO_STATUS_BLOCK iosb;
1495 status = NtQueryInformationFile(hNamedPipe, &iosb, &fpli, sizeof(fpli),
1496 FilePipeLocalInformation);
1499 SetLastError( RtlNtStatusToDosError(status) );
1505 *lpFlags = (fpli.NamedPipeEnd & FILE_PIPE_SERVER_END) ?
1506 PIPE_SERVER_END : PIPE_CLIENT_END;
1507 *lpFlags |= (fpli.NamedPipeType & FILE_PIPE_TYPE_MESSAGE) ?
1508 PIPE_TYPE_MESSAGE : PIPE_TYPE_BYTE;
1511 if (lpOutputBufferSize) *lpOutputBufferSize = fpli.OutboundQuota;
1512 if (lpInputBufferSize) *lpInputBufferSize = fpli.InboundQuota;
1513 if (lpMaxInstances) *lpMaxInstances = fpli.MaximumInstances;
1518 /***********************************************************************
1519 * GetNamedPipeHandleStateA (KERNEL32.@)
1521 BOOL WINAPI GetNamedPipeHandleStateA(
1522 HANDLE hNamedPipe, LPDWORD lpState, LPDWORD lpCurInstances,
1523 LPDWORD lpMaxCollectionCount, LPDWORD lpCollectDataTimeout,
1524 LPSTR lpUsername, DWORD nUsernameMaxSize)
1526 FIXME("%p %p %p %p %p %p %d\n",
1527 hNamedPipe, lpState, lpCurInstances,
1528 lpMaxCollectionCount, lpCollectDataTimeout,
1529 lpUsername, nUsernameMaxSize);
1534 /***********************************************************************
1535 * GetNamedPipeHandleStateW (KERNEL32.@)
1537 BOOL WINAPI GetNamedPipeHandleStateW(
1538 HANDLE hNamedPipe, LPDWORD lpState, LPDWORD lpCurInstances,
1539 LPDWORD lpMaxCollectionCount, LPDWORD lpCollectDataTimeout,
1540 LPWSTR lpUsername, DWORD nUsernameMaxSize)
1542 FIXME("%p %p %p %p %p %p %d\n",
1543 hNamedPipe, lpState, lpCurInstances,
1544 lpMaxCollectionCount, lpCollectDataTimeout,
1545 lpUsername, nUsernameMaxSize);
1550 /***********************************************************************
1551 * SetNamedPipeHandleState (KERNEL32.@)
1553 BOOL WINAPI SetNamedPipeHandleState(
1554 HANDLE hNamedPipe, LPDWORD lpMode, LPDWORD lpMaxCollectionCount,
1555 LPDWORD lpCollectDataTimeout)
1557 /* should be a fixme, but this function is called a lot by the RPC
1558 * runtime, and it slows down InstallShield a fair bit. */
1559 WARN("stub: %p %p/%d %p %p\n",
1560 hNamedPipe, lpMode, lpMode ? *lpMode : 0, lpMaxCollectionCount, lpCollectDataTimeout);
1564 /***********************************************************************
1565 * CallNamedPipeA (KERNEL32.@)
1567 BOOL WINAPI CallNamedPipeA(
1568 LPCSTR lpNamedPipeName, LPVOID lpInput, DWORD dwInputSize,
1569 LPVOID lpOutput, DWORD dwOutputSize,
1570 LPDWORD lpBytesRead, DWORD nTimeout)
1576 TRACE("%s %p %d %p %d %p %d\n",
1577 debugstr_a(lpNamedPipeName), lpInput, dwInputSize,
1578 lpOutput, dwOutputSize, lpBytesRead, nTimeout);
1580 if( lpNamedPipeName )
1582 len = MultiByteToWideChar( CP_ACP, 0, lpNamedPipeName, -1, NULL, 0 );
1583 str = HeapAlloc( GetProcessHeap(), 0, len*sizeof(WCHAR) );
1584 MultiByteToWideChar( CP_ACP, 0, lpNamedPipeName, -1, str, len );
1586 ret = CallNamedPipeW( str, lpInput, dwInputSize, lpOutput,
1587 dwOutputSize, lpBytesRead, nTimeout );
1588 if( lpNamedPipeName )
1589 HeapFree( GetProcessHeap(), 0, str );
1594 /***********************************************************************
1595 * CallNamedPipeW (KERNEL32.@)
1597 BOOL WINAPI CallNamedPipeW(
1598 LPCWSTR lpNamedPipeName, LPVOID lpInput, DWORD lpInputSize,
1599 LPVOID lpOutput, DWORD lpOutputSize,
1600 LPDWORD lpBytesRead, DWORD nTimeout)
1606 TRACE("%s %p %d %p %d %p %d\n",
1607 debugstr_w(lpNamedPipeName), lpInput, lpInputSize,
1608 lpOutput, lpOutputSize, lpBytesRead, nTimeout);
1610 pipe = CreateFileW(lpNamedPipeName, GENERIC_READ|GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);
1611 if (pipe == INVALID_HANDLE_VALUE)
1613 ret = WaitNamedPipeW(lpNamedPipeName, nTimeout);
1616 pipe = CreateFileW(lpNamedPipeName, GENERIC_READ|GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);
1617 if (pipe == INVALID_HANDLE_VALUE)
1621 mode = PIPE_READMODE_MESSAGE;
1622 ret = SetNamedPipeHandleState(pipe, &mode, NULL, NULL);
1624 /* Currently SetNamedPipeHandleState() is a stub returning FALSE */
1625 if (ret) FIXME("Now that SetNamedPipeHandleState() is more than a stub, please update CallNamedPipeW\n");
1633 ret = TransactNamedPipe(pipe, lpInput, lpInputSize, lpOutput, lpOutputSize, lpBytesRead, NULL);
1641 /******************************************************************
1642 * CreatePipe (KERNEL32.@)
1645 BOOL WINAPI CreatePipe( PHANDLE hReadPipe, PHANDLE hWritePipe,
1646 LPSECURITY_ATTRIBUTES sa, DWORD size )
1648 static unsigned index /* = 0 */;
1651 unsigned in_index = index;
1652 UNICODE_STRING nt_name;
1653 OBJECT_ATTRIBUTES attr;
1655 IO_STATUS_BLOCK iosb;
1656 LARGE_INTEGER timeout;
1658 *hReadPipe = *hWritePipe = INVALID_HANDLE_VALUE;
1660 attr.Length = sizeof(attr);
1661 attr.RootDirectory = 0;
1662 attr.ObjectName = &nt_name;
1663 attr.Attributes = OBJ_CASE_INSENSITIVE |
1664 ((sa && sa->bInheritHandle) ? OBJ_INHERIT : 0);
1665 attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
1666 attr.SecurityQualityOfService = NULL;
1668 timeout.QuadPart = (ULONGLONG)NMPWAIT_USE_DEFAULT_WAIT * -10000;
1669 /* generate a unique pipe name (system wide) */
1672 static const WCHAR nameFmt[] = { '\\','?','?','\\','p','i','p','e',
1673 '\\','W','i','n','3','2','.','P','i','p','e','s','.','%','0','8','l',
1674 'u','.','%','0','8','u','\0' };
1676 snprintfW(name, sizeof(name) / sizeof(name[0]), nameFmt,
1677 GetCurrentProcessId(), ++index);
1678 RtlInitUnicodeString(&nt_name, name);
1679 status = NtCreateNamedPipeFile(&hr, GENERIC_READ | SYNCHRONIZE, &attr, &iosb,
1680 0, FILE_OVERWRITE_IF,
1681 FILE_SYNCHRONOUS_IO_ALERT | FILE_PIPE_INBOUND,
1682 FALSE, FALSE, FALSE,
1683 1, size, size, &timeout);
1686 SetLastError( RtlNtStatusToDosError(status) );
1687 hr = INVALID_HANDLE_VALUE;
1689 } while (hr == INVALID_HANDLE_VALUE && index != in_index);
1690 /* from completion sakeness, I think system resources might be exhausted before this happens !! */
1691 if (hr == INVALID_HANDLE_VALUE) return FALSE;
1693 status = NtOpenFile(&hw, GENERIC_WRITE | SYNCHRONIZE, &attr, &iosb, 0,
1694 FILE_SYNCHRONOUS_IO_ALERT | FILE_NON_DIRECTORY_FILE);
1698 SetLastError( RtlNtStatusToDosError(status) );
1709 /******************************************************************************
1710 * CreateMailslotA [KERNEL32.@]
1712 * See CreateMailslotW.
1714 HANDLE WINAPI CreateMailslotA( LPCSTR lpName, DWORD nMaxMessageSize,
1715 DWORD lReadTimeout, LPSECURITY_ATTRIBUTES sa )
1721 TRACE("%s %d %d %p\n", debugstr_a(lpName),
1722 nMaxMessageSize, lReadTimeout, sa);
1726 len = MultiByteToWideChar( CP_ACP, 0, lpName, -1, NULL, 0 );
1727 name = HeapAlloc( GetProcessHeap(), 0, len*sizeof(WCHAR) );
1728 MultiByteToWideChar( CP_ACP, 0, lpName, -1, name, len );
1731 handle = CreateMailslotW( name, nMaxMessageSize, lReadTimeout, sa );
1733 HeapFree( GetProcessHeap(), 0, name );
1739 /******************************************************************************
1740 * CreateMailslotW [KERNEL32.@]
1742 * Create a mailslot with specified name.
1745 * lpName [I] Pointer to string for mailslot name
1746 * nMaxMessageSize [I] Maximum message size
1747 * lReadTimeout [I] Milliseconds before read time-out
1748 * sa [I] Pointer to security structure
1751 * Success: Handle to mailslot
1752 * Failure: INVALID_HANDLE_VALUE
1754 HANDLE WINAPI CreateMailslotW( LPCWSTR lpName, DWORD nMaxMessageSize,
1755 DWORD lReadTimeout, LPSECURITY_ATTRIBUTES sa )
1757 HANDLE handle = INVALID_HANDLE_VALUE;
1758 OBJECT_ATTRIBUTES attr;
1759 UNICODE_STRING nameW;
1760 LARGE_INTEGER timeout;
1761 IO_STATUS_BLOCK iosb;
1764 TRACE("%s %d %d %p\n", debugstr_w(lpName),
1765 nMaxMessageSize, lReadTimeout, sa);
1767 if (!RtlDosPathNameToNtPathName_U( lpName, &nameW, NULL, NULL ))
1769 SetLastError( ERROR_PATH_NOT_FOUND );
1770 return INVALID_HANDLE_VALUE;
1773 if (nameW.Length >= MAX_PATH * sizeof(WCHAR) )
1775 SetLastError( ERROR_FILENAME_EXCED_RANGE );
1776 RtlFreeUnicodeString( &nameW );
1777 return INVALID_HANDLE_VALUE;
1780 attr.Length = sizeof(attr);
1781 attr.RootDirectory = 0;
1782 attr.Attributes = OBJ_CASE_INSENSITIVE;
1783 attr.ObjectName = &nameW;
1784 attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
1785 attr.SecurityQualityOfService = NULL;
1787 if (lReadTimeout != MAILSLOT_WAIT_FOREVER)
1788 timeout.QuadPart = (ULONGLONG) lReadTimeout * -10000;
1790 timeout.QuadPart = ((LONGLONG)0x7fffffff << 32) | 0xffffffff;
1792 status = NtCreateMailslotFile( &handle, GENERIC_READ | SYNCHRONIZE, &attr,
1793 &iosb, 0, 0, nMaxMessageSize, &timeout );
1796 SetLastError( RtlNtStatusToDosError(status) );
1797 handle = INVALID_HANDLE_VALUE;
1800 RtlFreeUnicodeString( &nameW );
1805 /******************************************************************************
1806 * GetMailslotInfo [KERNEL32.@]
1808 * Retrieve information about a mailslot.
1811 * hMailslot [I] Mailslot handle
1812 * lpMaxMessageSize [O] Address of maximum message size
1813 * lpNextSize [O] Address of size of next message
1814 * lpMessageCount [O] Address of number of messages
1815 * lpReadTimeout [O] Address of read time-out
1821 BOOL WINAPI GetMailslotInfo( HANDLE hMailslot, LPDWORD lpMaxMessageSize,
1822 LPDWORD lpNextSize, LPDWORD lpMessageCount,
1823 LPDWORD lpReadTimeout )
1825 FILE_MAILSLOT_QUERY_INFORMATION info;
1826 IO_STATUS_BLOCK iosb;
1829 TRACE("%p %p %p %p %p\n",hMailslot, lpMaxMessageSize,
1830 lpNextSize, lpMessageCount, lpReadTimeout);
1832 status = NtQueryInformationFile( hMailslot, &iosb, &info, sizeof info,
1833 FileMailslotQueryInformation );
1835 if( status != STATUS_SUCCESS )
1837 SetLastError( RtlNtStatusToDosError(status) );
1841 if( lpMaxMessageSize )
1842 *lpMaxMessageSize = info.MaximumMessageSize;
1844 *lpNextSize = info.NextMessageSize;
1845 if( lpMessageCount )
1846 *lpMessageCount = info.MessagesAvailable;
1849 if (info.ReadTimeout.QuadPart == (((LONGLONG)0x7fffffff << 32) | 0xffffffff))
1850 *lpReadTimeout = MAILSLOT_WAIT_FOREVER;
1852 *lpReadTimeout = info.ReadTimeout.QuadPart / -10000;
1858 /******************************************************************************
1859 * SetMailslotInfo [KERNEL32.@]
1861 * Set the read timeout of a mailslot.
1864 * hMailslot [I] Mailslot handle
1865 * dwReadTimeout [I] Timeout in milliseconds.
1871 BOOL WINAPI SetMailslotInfo( HANDLE hMailslot, DWORD dwReadTimeout)
1873 FILE_MAILSLOT_SET_INFORMATION info;
1874 IO_STATUS_BLOCK iosb;
1877 TRACE("%p %d\n", hMailslot, dwReadTimeout);
1879 if (dwReadTimeout != MAILSLOT_WAIT_FOREVER)
1880 info.ReadTimeout.QuadPart = (ULONGLONG)dwReadTimeout * -10000;
1882 info.ReadTimeout.QuadPart = ((LONGLONG)0x7fffffff << 32) | 0xffffffff;
1883 status = NtSetInformationFile( hMailslot, &iosb, &info, sizeof info,
1884 FileMailslotSetInformation );
1885 if( status != STATUS_SUCCESS )
1887 SetLastError( RtlNtStatusToDosError(status) );
1894 /******************************************************************************
1895 * CreateIoCompletionPort (KERNEL32.@)
1897 HANDLE WINAPI CreateIoCompletionPort(HANDLE hFileHandle, HANDLE hExistingCompletionPort,
1898 ULONG_PTR CompletionKey, DWORD dwNumberOfConcurrentThreads)
1903 TRACE("(%p, %p, %08lx, %08x)\n",
1904 hFileHandle, hExistingCompletionPort, CompletionKey, dwNumberOfConcurrentThreads);
1906 if (hExistingCompletionPort && hFileHandle == INVALID_HANDLE_VALUE)
1908 SetLastError( ERROR_INVALID_PARAMETER);
1912 if (hExistingCompletionPort)
1913 ret = hExistingCompletionPort;
1916 status = NtCreateIoCompletion( &ret, IO_COMPLETION_ALL_ACCESS, NULL, dwNumberOfConcurrentThreads );
1917 if (status != STATUS_SUCCESS) goto fail;
1920 if (hFileHandle != INVALID_HANDLE_VALUE)
1922 FILE_COMPLETION_INFORMATION info;
1923 IO_STATUS_BLOCK iosb;
1925 info.CompletionPort = ret;
1926 info.CompletionKey = CompletionKey;
1927 status = NtSetInformationFile( hFileHandle, &iosb, &info, sizeof(info), FileCompletionInformation );
1928 if (status != STATUS_SUCCESS) goto fail;
1934 if (ret && !hExistingCompletionPort)
1936 SetLastError( RtlNtStatusToDosError(status) );
1940 /******************************************************************************
1941 * GetQueuedCompletionStatus (KERNEL32.@)
1943 BOOL WINAPI GetQueuedCompletionStatus( HANDLE CompletionPort, LPDWORD lpNumberOfBytesTransferred,
1944 PULONG_PTR pCompletionKey, LPOVERLAPPED *lpOverlapped,
1945 DWORD dwMilliseconds )
1948 IO_STATUS_BLOCK iosb;
1949 LARGE_INTEGER wait_time;
1951 TRACE("(%p,%p,%p,%p,%d)\n",
1952 CompletionPort,lpNumberOfBytesTransferred,pCompletionKey,lpOverlapped,dwMilliseconds);
1954 *lpOverlapped = NULL;
1956 status = NtRemoveIoCompletion( CompletionPort, pCompletionKey, (PULONG_PTR)lpOverlapped,
1957 &iosb, get_nt_timeout( &wait_time, dwMilliseconds ) );
1958 if (status == STATUS_SUCCESS)
1960 *lpNumberOfBytesTransferred = iosb.Information;
1964 SetLastError( RtlNtStatusToDosError(status) );
1969 /******************************************************************************
1970 * PostQueuedCompletionStatus (KERNEL32.@)
1972 BOOL WINAPI PostQueuedCompletionStatus( HANDLE CompletionPort, DWORD dwNumberOfBytes,
1973 ULONG_PTR dwCompletionKey, LPOVERLAPPED lpOverlapped)
1977 TRACE("%p %d %08lx %p\n", CompletionPort, dwNumberOfBytes, dwCompletionKey, lpOverlapped );
1979 status = NtSetIoCompletion( CompletionPort, dwCompletionKey, (ULONG_PTR)lpOverlapped,
1980 STATUS_SUCCESS, dwNumberOfBytes );
1982 if (status == STATUS_SUCCESS) return TRUE;
1983 SetLastError( RtlNtStatusToDosError(status) );
1987 /******************************************************************************
1988 * BindIoCompletionCallback (KERNEL32.@)
1990 BOOL WINAPI BindIoCompletionCallback( HANDLE FileHandle, LPOVERLAPPED_COMPLETION_ROUTINE Function, ULONG Flags)
1994 TRACE("(%p, %p, %d)\n", FileHandle, Function, Flags);
1996 status = RtlSetIoCompletionCallback( FileHandle, (PRTL_OVERLAPPED_COMPLETION_ROUTINE)Function, Flags );
1997 if (status == STATUS_SUCCESS) return TRUE;
1998 SetLastError( RtlNtStatusToDosError(status) );
2002 /******************************************************************************
2003 * CreateJobObjectW (KERNEL32.@)
2005 HANDLE WINAPI CreateJobObjectW( LPSECURITY_ATTRIBUTES attr, LPCWSTR name )
2007 FIXME("%p %s\n", attr, debugstr_w(name) );
2008 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
2012 /******************************************************************************
2013 * CreateJobObjectA (KERNEL32.@)
2015 HANDLE WINAPI CreateJobObjectA( LPSECURITY_ATTRIBUTES attr, LPCSTR name )
2021 TRACE("%p %s\n", attr, debugstr_a(name) );
2025 len = MultiByteToWideChar( CP_ACP, 0, name, -1, NULL, 0 );
2026 str = HeapAlloc( GetProcessHeap(), 0, len*sizeof(WCHAR) );
2029 SetLastError( ERROR_OUTOFMEMORY );
2032 len = MultiByteToWideChar( CP_ACP, 0, name, -1, str, len );
2035 r = CreateJobObjectW( attr, str );
2037 HeapFree( GetProcessHeap(), 0, str );
2042 /******************************************************************************
2043 * AssignProcessToJobObject (KERNEL32.@)
2045 BOOL WINAPI AssignProcessToJobObject( HANDLE hJob, HANDLE hProcess )
2047 FIXME("%p %p\n", hJob, hProcess);
2053 /***********************************************************************
2054 * InterlockedCompareExchange (KERNEL32.@)
2056 /* LONG WINAPI InterlockedCompareExchange( PLONG dest, LONG xchg, LONG compare ); */
2057 __ASM_GLOBAL_FUNC(InterlockedCompareExchange,
2058 "movl 12(%esp),%eax\n\t"
2059 "movl 8(%esp),%ecx\n\t"
2060 "movl 4(%esp),%edx\n\t"
2061 "lock; cmpxchgl %ecx,(%edx)\n\t"
2064 /***********************************************************************
2065 * InterlockedExchange (KERNEL32.@)
2067 /* LONG WINAPI InterlockedExchange( PLONG dest, LONG val ); */
2068 __ASM_GLOBAL_FUNC(InterlockedExchange,
2069 "movl 8(%esp),%eax\n\t"
2070 "movl 4(%esp),%edx\n\t"
2071 "lock; xchgl %eax,(%edx)\n\t"
2074 /***********************************************************************
2075 * InterlockedExchangeAdd (KERNEL32.@)
2077 /* LONG WINAPI InterlockedExchangeAdd( PLONG dest, LONG incr ); */
2078 __ASM_GLOBAL_FUNC(InterlockedExchangeAdd,
2079 "movl 8(%esp),%eax\n\t"
2080 "movl 4(%esp),%edx\n\t"
2081 "lock; xaddl %eax,(%edx)\n\t"
2084 /***********************************************************************
2085 * InterlockedIncrement (KERNEL32.@)
2087 /* LONG WINAPI InterlockedIncrement( PLONG dest ); */
2088 __ASM_GLOBAL_FUNC(InterlockedIncrement,
2089 "movl 4(%esp),%edx\n\t"
2091 "lock; xaddl %eax,(%edx)\n\t"
2095 /***********************************************************************
2096 * InterlockedDecrement (KERNEL32.@)
2098 __ASM_GLOBAL_FUNC(InterlockedDecrement,
2099 "movl 4(%esp),%edx\n\t"
2101 "lock; xaddl %eax,(%edx)\n\t"
2105 #else /* __i386__ */
2107 /***********************************************************************
2108 * InterlockedCompareExchange (KERNEL32.@)
2110 * Atomically swap one value with another.
2113 * dest [I/O] The value to replace
2114 * xchq [I] The value to be swapped
2115 * compare [I] The value to compare to dest
2118 * The resulting value of dest.
2121 * dest is updated only if it is equal to compare, otherwise no swap is done.
2123 LONG WINAPI InterlockedCompareExchange( LONG volatile *dest, LONG xchg, LONG compare )
2125 return interlocked_cmpxchg( (int *)dest, xchg, compare );
2128 /***********************************************************************
2129 * InterlockedExchange (KERNEL32.@)
2131 * Atomically swap one value with another.
2134 * dest [I/O] The value to replace
2135 * val [I] The value to be swapped
2138 * The resulting value of dest.
2140 LONG WINAPI InterlockedExchange( LONG volatile *dest, LONG val )
2142 return interlocked_xchg( (int *)dest, val );
2145 /***********************************************************************
2146 * InterlockedExchangeAdd (KERNEL32.@)
2148 * Atomically add one value to another.
2151 * dest [I/O] The value to add to
2152 * incr [I] The value to be added
2155 * The resulting value of dest.
2157 LONG WINAPI InterlockedExchangeAdd( LONG volatile *dest, LONG incr )
2159 return interlocked_xchg_add( (int *)dest, incr );
2162 /***********************************************************************
2163 * InterlockedIncrement (KERNEL32.@)
2165 * Atomically increment a value.
2168 * dest [I/O] The value to increment
2171 * The resulting value of dest.
2173 LONG WINAPI InterlockedIncrement( LONG volatile *dest )
2175 return interlocked_xchg_add( (int *)dest, 1 ) + 1;
2178 /***********************************************************************
2179 * InterlockedDecrement (KERNEL32.@)
2181 * Atomically decrement a value.
2184 * dest [I/O] The value to decrement
2187 * The resulting value of dest.
2189 LONG WINAPI InterlockedDecrement( LONG volatile *dest )
2191 return interlocked_xchg_add( (int *)dest, -1 ) - 1;
2194 #endif /* __i386__ */