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"
33 #define WIN32_NO_STATUS
34 #define NONAMELESSUNION
43 #include "wine/unicode.h"
44 #include "kernel_private.h"
46 #include "wine/debug.h"
48 WINE_DEFAULT_DEBUG_CHANNEL(sync
);
50 /* check if current version is NT or Win95 */
51 static inline BOOL
is_version_nt(void)
53 return !(GetVersion() & 0x80000000);
56 /* returns directory handle to \\BaseNamedObjects */
57 HANDLE
get_BaseNamedObjects_handle(void)
59 static HANDLE handle
= NULL
;
60 static const WCHAR basenameW
[] =
61 {'\\','B','a','s','e','N','a','m','e','d','O','b','j','e','c','t','s',0};
63 OBJECT_ATTRIBUTES attr
;
69 RtlInitUnicodeString(&str
, basenameW
);
70 InitializeObjectAttributes(&attr
, &str
, 0, 0, NULL
);
71 NtOpenDirectoryObject(&dir
, DIRECTORY_CREATE_OBJECT
|DIRECTORY_TRAVERSE
,
73 if (InterlockedCompareExchangePointer( &handle
, dir
, 0 ) != 0)
75 /* someone beat us here... */
82 /* helper for kernel32->ntdll timeout format conversion */
83 static inline PLARGE_INTEGER
get_nt_timeout( PLARGE_INTEGER pTime
, DWORD timeout
)
85 if (timeout
== INFINITE
) return NULL
;
86 pTime
->QuadPart
= (ULONGLONG
)timeout
* -10000;
90 /***********************************************************************
93 VOID WINAPI DECLSPEC_HOTPATCH
Sleep( DWORD timeout
)
95 SleepEx( timeout
, FALSE
);
98 /******************************************************************************
99 * SleepEx (KERNEL32.@)
101 DWORD WINAPI
SleepEx( DWORD timeout
, BOOL alertable
)
106 status
= NtDelayExecution( alertable
, get_nt_timeout( &time
, timeout
) );
107 if (status
== STATUS_USER_APC
) return WAIT_IO_COMPLETION
;
112 /***********************************************************************
113 * SwitchToThread (KERNEL32.@)
115 BOOL WINAPI
SwitchToThread(void)
117 return (NtYieldExecution() != STATUS_NO_YIELD_PERFORMED
);
121 /***********************************************************************
122 * WaitForSingleObject (KERNEL32.@)
124 DWORD WINAPI
WaitForSingleObject( HANDLE handle
, DWORD timeout
)
126 return WaitForMultipleObjectsEx( 1, &handle
, FALSE
, timeout
, FALSE
);
130 /***********************************************************************
131 * WaitForSingleObjectEx (KERNEL32.@)
133 DWORD WINAPI
WaitForSingleObjectEx( HANDLE handle
, DWORD timeout
,
136 return WaitForMultipleObjectsEx( 1, &handle
, FALSE
, timeout
, alertable
);
140 /***********************************************************************
141 * WaitForMultipleObjects (KERNEL32.@)
143 DWORD WINAPI
WaitForMultipleObjects( DWORD count
, const HANDLE
*handles
,
144 BOOL wait_all
, DWORD timeout
)
146 return WaitForMultipleObjectsEx( count
, handles
, wait_all
, timeout
, FALSE
);
150 /***********************************************************************
151 * WaitForMultipleObjectsEx (KERNEL32.@)
153 DWORD WINAPI
WaitForMultipleObjectsEx( DWORD count
, const HANDLE
*handles
,
154 BOOL wait_all
, DWORD timeout
,
158 HANDLE hloc
[MAXIMUM_WAIT_OBJECTS
];
162 if (count
> MAXIMUM_WAIT_OBJECTS
)
164 SetLastError(ERROR_INVALID_PARAMETER
);
167 for (i
= 0; i
< count
; i
++)
169 if ((handles
[i
] == (HANDLE
)STD_INPUT_HANDLE
) ||
170 (handles
[i
] == (HANDLE
)STD_OUTPUT_HANDLE
) ||
171 (handles
[i
] == (HANDLE
)STD_ERROR_HANDLE
))
172 hloc
[i
] = GetStdHandle( HandleToULong(handles
[i
]) );
174 hloc
[i
] = handles
[i
];
176 /* yes, even screen buffer console handles are waitable, and are
177 * handled as a handle to the console itself !!
179 if (is_console_handle(hloc
[i
]))
181 if (VerifyConsoleIoHandle(hloc
[i
]))
182 hloc
[i
] = GetConsoleInputWaitHandle();
186 status
= NtWaitForMultipleObjects( count
, hloc
, !wait_all
, alertable
,
187 get_nt_timeout( &time
, timeout
) );
189 if (HIWORD(status
)) /* is it an error code? */
191 SetLastError( RtlNtStatusToDosError(status
) );
192 status
= WAIT_FAILED
;
198 /***********************************************************************
199 * RegisterWaitForSingleObject (KERNEL32.@)
201 BOOL WINAPI
RegisterWaitForSingleObject(PHANDLE phNewWaitObject
, HANDLE hObject
,
202 WAITORTIMERCALLBACK Callback
, PVOID Context
,
203 ULONG dwMilliseconds
, ULONG dwFlags
)
207 TRACE("%p %p %p %p %d %d\n",
208 phNewWaitObject
,hObject
,Callback
,Context
,dwMilliseconds
,dwFlags
);
210 status
= RtlRegisterWait( phNewWaitObject
, hObject
, Callback
, Context
, dwMilliseconds
, dwFlags
);
211 if (status
!= STATUS_SUCCESS
)
213 SetLastError( RtlNtStatusToDosError(status
) );
219 /***********************************************************************
220 * RegisterWaitForSingleObjectEx (KERNEL32.@)
222 HANDLE WINAPI
RegisterWaitForSingleObjectEx( HANDLE hObject
,
223 WAITORTIMERCALLBACK Callback
, PVOID Context
,
224 ULONG dwMilliseconds
, ULONG dwFlags
)
227 HANDLE hNewWaitObject
;
229 TRACE("%p %p %p %d %d\n",
230 hObject
,Callback
,Context
,dwMilliseconds
,dwFlags
);
232 status
= RtlRegisterWait( &hNewWaitObject
, hObject
, Callback
, Context
, dwMilliseconds
, dwFlags
);
233 if (status
!= STATUS_SUCCESS
)
235 SetLastError( RtlNtStatusToDosError(status
) );
238 return hNewWaitObject
;
241 /***********************************************************************
242 * UnregisterWait (KERNEL32.@)
244 BOOL WINAPI
UnregisterWait( HANDLE WaitHandle
)
248 TRACE("%p\n",WaitHandle
);
250 status
= RtlDeregisterWait( WaitHandle
);
251 if (status
!= STATUS_SUCCESS
)
253 SetLastError( RtlNtStatusToDosError(status
) );
259 /***********************************************************************
260 * UnregisterWaitEx (KERNEL32.@)
262 BOOL WINAPI
UnregisterWaitEx( HANDLE WaitHandle
, HANDLE CompletionEvent
)
266 TRACE("%p %p\n",WaitHandle
, CompletionEvent
);
268 status
= RtlDeregisterWaitEx( WaitHandle
, CompletionEvent
);
269 if (status
!= STATUS_SUCCESS
) SetLastError( RtlNtStatusToDosError(status
) );
273 /***********************************************************************
274 * SignalObjectAndWait (KERNEL32.@)
276 * Makes it possible to atomically signal any of the synchronization
277 * objects (semaphore, mutex, event) and wait on another.
279 DWORD WINAPI
SignalObjectAndWait( HANDLE hObjectToSignal
, HANDLE hObjectToWaitOn
,
280 DWORD dwMilliseconds
, BOOL bAlertable
)
283 LARGE_INTEGER timeout
;
285 TRACE("%p %p %d %d\n", hObjectToSignal
,
286 hObjectToWaitOn
, dwMilliseconds
, bAlertable
);
288 status
= NtSignalAndWaitForSingleObject( hObjectToSignal
, hObjectToWaitOn
, bAlertable
,
289 get_nt_timeout( &timeout
, dwMilliseconds
) );
292 SetLastError( RtlNtStatusToDosError(status
) );
293 status
= WAIT_FAILED
;
298 /***********************************************************************
299 * InitializeCriticalSection (KERNEL32.@)
301 * Initialise a critical section before use.
304 * crit [O] Critical section to initialise.
307 * Nothing. If the function fails an exception is raised.
309 void WINAPI
InitializeCriticalSection( CRITICAL_SECTION
*crit
)
311 InitializeCriticalSectionEx( crit
, 0, 0 );
314 /***********************************************************************
315 * InitializeCriticalSectionAndSpinCount (KERNEL32.@)
317 * Initialise a critical section with a spin count.
320 * crit [O] Critical section to initialise.
321 * spincount [I] Number of times to spin upon contention.
325 * Failure: Nothing. If the function fails an exception is raised.
328 * spincount is ignored on uni-processor systems.
330 BOOL WINAPI
InitializeCriticalSectionAndSpinCount( CRITICAL_SECTION
*crit
, DWORD spincount
)
332 return InitializeCriticalSectionEx( crit
, spincount
, 0 );
335 /***********************************************************************
336 * InitializeCriticalSectionEx (KERNEL32.@)
338 * Initialise a critical section with a spin count and flags.
341 * crit [O] Critical section to initialise.
342 * spincount [I] Number of times to spin upon contention.
343 * flags [I] CRITICAL_SECTION_ flags from winbase.h.
347 * Failure: Nothing. If the function fails an exception is raised.
350 * spincount is ignored on uni-processor systems.
352 BOOL WINAPI
InitializeCriticalSectionEx( CRITICAL_SECTION
*crit
, DWORD spincount
, DWORD flags
)
354 NTSTATUS ret
= RtlInitializeCriticalSectionEx( crit
, spincount
, flags
);
355 if (ret
) RtlRaiseStatus( ret
);
359 /***********************************************************************
360 * MakeCriticalSectionGlobal (KERNEL32.@)
362 void WINAPI
MakeCriticalSectionGlobal( CRITICAL_SECTION
*crit
)
364 /* let's assume that only one thread at a time will try to do this */
365 HANDLE sem
= crit
->LockSemaphore
;
366 if (!sem
) NtCreateSemaphore( &sem
, SEMAPHORE_ALL_ACCESS
, NULL
, 0, 1 );
367 crit
->LockSemaphore
= ConvertToGlobalHandle( sem
);
368 RtlFreeHeap( GetProcessHeap(), 0, crit
->DebugInfo
);
369 crit
->DebugInfo
= NULL
;
373 /***********************************************************************
374 * ReinitializeCriticalSection (KERNEL32.@)
376 * Initialise an already used critical section.
379 * crit [O] Critical section to initialise.
384 void WINAPI
ReinitializeCriticalSection( CRITICAL_SECTION
*crit
)
386 if ( !crit
->LockSemaphore
)
387 RtlInitializeCriticalSection( crit
);
391 /***********************************************************************
392 * UninitializeCriticalSection (KERNEL32.@)
394 * UnInitialise a critical section after use.
397 * crit [O] Critical section to uninitialise (destroy).
402 void WINAPI
UninitializeCriticalSection( CRITICAL_SECTION
*crit
)
404 RtlDeleteCriticalSection( crit
);
408 /***********************************************************************
409 * CreateEventA (KERNEL32.@)
411 HANDLE WINAPI DECLSPEC_HOTPATCH
CreateEventA( SECURITY_ATTRIBUTES
*sa
, BOOL manual_reset
,
412 BOOL initial_state
, LPCSTR name
)
416 if (manual_reset
) flags
|= CREATE_EVENT_MANUAL_RESET
;
417 if (initial_state
) flags
|= CREATE_EVENT_INITIAL_SET
;
418 return CreateEventExA( sa
, name
, flags
, EVENT_ALL_ACCESS
);
422 /***********************************************************************
423 * CreateEventW (KERNEL32.@)
425 HANDLE WINAPI DECLSPEC_HOTPATCH
CreateEventW( SECURITY_ATTRIBUTES
*sa
, BOOL manual_reset
,
426 BOOL initial_state
, LPCWSTR name
)
430 if (manual_reset
) flags
|= CREATE_EVENT_MANUAL_RESET
;
431 if (initial_state
) flags
|= CREATE_EVENT_INITIAL_SET
;
432 return CreateEventExW( sa
, name
, flags
, EVENT_ALL_ACCESS
);
436 /***********************************************************************
437 * CreateEventExA (KERNEL32.@)
439 HANDLE WINAPI DECLSPEC_HOTPATCH
CreateEventExA( SECURITY_ATTRIBUTES
*sa
, LPCSTR name
, DWORD flags
, DWORD access
)
441 WCHAR buffer
[MAX_PATH
];
443 if (!name
) return CreateEventExW( sa
, NULL
, flags
, access
);
445 if (!MultiByteToWideChar( CP_ACP
, 0, name
, -1, buffer
, MAX_PATH
))
447 SetLastError( ERROR_FILENAME_EXCED_RANGE
);
450 return CreateEventExW( sa
, buffer
, flags
, access
);
454 /***********************************************************************
455 * CreateEventExW (KERNEL32.@)
457 HANDLE WINAPI DECLSPEC_HOTPATCH
CreateEventExW( SECURITY_ATTRIBUTES
*sa
, LPCWSTR name
, DWORD flags
, DWORD access
)
460 UNICODE_STRING nameW
;
461 OBJECT_ATTRIBUTES attr
;
464 /* one buggy program needs this
465 * ("Van Dale Groot woordenboek der Nederlandse taal")
467 if (sa
&& IsBadReadPtr(sa
,sizeof(SECURITY_ATTRIBUTES
)))
469 ERR("Bad security attributes pointer %p\n",sa
);
470 SetLastError( ERROR_INVALID_PARAMETER
);
474 attr
.Length
= sizeof(attr
);
475 attr
.RootDirectory
= 0;
476 attr
.ObjectName
= NULL
;
477 attr
.Attributes
= OBJ_OPENIF
| ((sa
&& sa
->bInheritHandle
) ? OBJ_INHERIT
: 0);
478 attr
.SecurityDescriptor
= sa
? sa
->lpSecurityDescriptor
: NULL
;
479 attr
.SecurityQualityOfService
= NULL
;
482 RtlInitUnicodeString( &nameW
, name
);
483 attr
.ObjectName
= &nameW
;
484 attr
.RootDirectory
= get_BaseNamedObjects_handle();
487 status
= NtCreateEvent( &ret
, access
, &attr
,
488 (flags
& CREATE_EVENT_MANUAL_RESET
) ? NotificationEvent
: SynchronizationEvent
,
489 (flags
& CREATE_EVENT_INITIAL_SET
) != 0 );
490 if (status
== STATUS_OBJECT_NAME_EXISTS
)
491 SetLastError( ERROR_ALREADY_EXISTS
);
493 SetLastError( RtlNtStatusToDosError(status
) );
498 /***********************************************************************
499 * OpenEventA (KERNEL32.@)
501 HANDLE WINAPI DECLSPEC_HOTPATCH
OpenEventA( DWORD access
, BOOL inherit
, LPCSTR name
)
503 WCHAR buffer
[MAX_PATH
];
505 if (!name
) return OpenEventW( access
, inherit
, NULL
);
507 if (!MultiByteToWideChar( CP_ACP
, 0, name
, -1, buffer
, MAX_PATH
))
509 SetLastError( ERROR_FILENAME_EXCED_RANGE
);
512 return OpenEventW( access
, inherit
, buffer
);
516 /***********************************************************************
517 * OpenEventW (KERNEL32.@)
519 HANDLE WINAPI DECLSPEC_HOTPATCH
OpenEventW( DWORD access
, BOOL inherit
, LPCWSTR name
)
522 UNICODE_STRING nameW
;
523 OBJECT_ATTRIBUTES attr
;
526 if (!is_version_nt()) access
= EVENT_ALL_ACCESS
;
528 attr
.Length
= sizeof(attr
);
529 attr
.RootDirectory
= 0;
530 attr
.ObjectName
= NULL
;
531 attr
.Attributes
= inherit
? OBJ_INHERIT
: 0;
532 attr
.SecurityDescriptor
= NULL
;
533 attr
.SecurityQualityOfService
= NULL
;
536 RtlInitUnicodeString( &nameW
, name
);
537 attr
.ObjectName
= &nameW
;
538 attr
.RootDirectory
= get_BaseNamedObjects_handle();
541 status
= NtOpenEvent( &ret
, access
, &attr
);
542 if (status
!= STATUS_SUCCESS
)
544 SetLastError( RtlNtStatusToDosError(status
) );
550 /***********************************************************************
551 * PulseEvent (KERNEL32.@)
553 BOOL WINAPI DECLSPEC_HOTPATCH
PulseEvent( HANDLE handle
)
557 if ((status
= NtPulseEvent( handle
, NULL
)))
558 SetLastError( RtlNtStatusToDosError(status
) );
563 /***********************************************************************
564 * SetEvent (KERNEL32.@)
566 BOOL WINAPI DECLSPEC_HOTPATCH
SetEvent( HANDLE handle
)
570 if ((status
= NtSetEvent( handle
, NULL
)))
571 SetLastError( RtlNtStatusToDosError(status
) );
576 /***********************************************************************
577 * ResetEvent (KERNEL32.@)
579 BOOL WINAPI DECLSPEC_HOTPATCH
ResetEvent( HANDLE handle
)
583 if ((status
= NtResetEvent( handle
, NULL
)))
584 SetLastError( RtlNtStatusToDosError(status
) );
589 /***********************************************************************
590 * CreateMutexA (KERNEL32.@)
592 HANDLE WINAPI DECLSPEC_HOTPATCH
CreateMutexA( SECURITY_ATTRIBUTES
*sa
, BOOL owner
, LPCSTR name
)
594 return CreateMutexExA( sa
, name
, owner
? CREATE_MUTEX_INITIAL_OWNER
: 0, MUTEX_ALL_ACCESS
);
598 /***********************************************************************
599 * CreateMutexW (KERNEL32.@)
601 HANDLE WINAPI DECLSPEC_HOTPATCH
CreateMutexW( SECURITY_ATTRIBUTES
*sa
, BOOL owner
, LPCWSTR name
)
603 return CreateMutexExW( sa
, name
, owner
? CREATE_MUTEX_INITIAL_OWNER
: 0, MUTEX_ALL_ACCESS
);
607 /***********************************************************************
608 * CreateMutexExA (KERNEL32.@)
610 HANDLE WINAPI DECLSPEC_HOTPATCH
CreateMutexExA( SECURITY_ATTRIBUTES
*sa
, LPCSTR name
, DWORD flags
, DWORD access
)
615 if (!name
) return CreateMutexExW( sa
, NULL
, flags
, access
);
617 RtlInitAnsiString( &nameA
, name
);
618 status
= RtlAnsiStringToUnicodeString( &NtCurrentTeb()->StaticUnicodeString
, &nameA
, FALSE
);
619 if (status
!= STATUS_SUCCESS
)
621 SetLastError( ERROR_FILENAME_EXCED_RANGE
);
624 return CreateMutexExW( sa
, NtCurrentTeb()->StaticUnicodeString
.Buffer
, flags
, access
);
628 /***********************************************************************
629 * CreateMutexExW (KERNEL32.@)
631 HANDLE WINAPI DECLSPEC_HOTPATCH
CreateMutexExW( SECURITY_ATTRIBUTES
*sa
, LPCWSTR name
, DWORD flags
, DWORD access
)
634 UNICODE_STRING nameW
;
635 OBJECT_ATTRIBUTES attr
;
638 attr
.Length
= sizeof(attr
);
639 attr
.RootDirectory
= 0;
640 attr
.ObjectName
= NULL
;
641 attr
.Attributes
= OBJ_OPENIF
| ((sa
&& sa
->bInheritHandle
) ? OBJ_INHERIT
: 0);
642 attr
.SecurityDescriptor
= sa
? sa
->lpSecurityDescriptor
: NULL
;
643 attr
.SecurityQualityOfService
= NULL
;
646 RtlInitUnicodeString( &nameW
, name
);
647 attr
.ObjectName
= &nameW
;
648 attr
.RootDirectory
= get_BaseNamedObjects_handle();
651 status
= NtCreateMutant( &ret
, access
, &attr
, (flags
& CREATE_MUTEX_INITIAL_OWNER
) != 0 );
652 if (status
== STATUS_OBJECT_NAME_EXISTS
)
653 SetLastError( ERROR_ALREADY_EXISTS
);
655 SetLastError( RtlNtStatusToDosError(status
) );
660 /***********************************************************************
661 * OpenMutexA (KERNEL32.@)
663 HANDLE WINAPI DECLSPEC_HOTPATCH
OpenMutexA( DWORD access
, BOOL inherit
, LPCSTR name
)
665 WCHAR buffer
[MAX_PATH
];
667 if (!name
) return OpenMutexW( access
, inherit
, NULL
);
669 if (!MultiByteToWideChar( CP_ACP
, 0, name
, -1, buffer
, MAX_PATH
))
671 SetLastError( ERROR_FILENAME_EXCED_RANGE
);
674 return OpenMutexW( access
, inherit
, buffer
);
678 /***********************************************************************
679 * OpenMutexW (KERNEL32.@)
681 HANDLE WINAPI DECLSPEC_HOTPATCH
OpenMutexW( DWORD access
, BOOL inherit
, LPCWSTR name
)
684 UNICODE_STRING nameW
;
685 OBJECT_ATTRIBUTES attr
;
688 if (!is_version_nt()) access
= MUTEX_ALL_ACCESS
;
690 attr
.Length
= sizeof(attr
);
691 attr
.RootDirectory
= 0;
692 attr
.ObjectName
= NULL
;
693 attr
.Attributes
= inherit
? OBJ_INHERIT
: 0;
694 attr
.SecurityDescriptor
= NULL
;
695 attr
.SecurityQualityOfService
= NULL
;
698 RtlInitUnicodeString( &nameW
, name
);
699 attr
.ObjectName
= &nameW
;
700 attr
.RootDirectory
= get_BaseNamedObjects_handle();
703 status
= NtOpenMutant( &ret
, access
, &attr
);
704 if (status
!= STATUS_SUCCESS
)
706 SetLastError( RtlNtStatusToDosError(status
) );
713 /***********************************************************************
714 * ReleaseMutex (KERNEL32.@)
716 BOOL WINAPI DECLSPEC_HOTPATCH
ReleaseMutex( HANDLE handle
)
720 status
= NtReleaseMutant(handle
, NULL
);
721 if (status
!= STATUS_SUCCESS
)
723 SetLastError( RtlNtStatusToDosError(status
) );
735 /***********************************************************************
736 * CreateSemaphoreA (KERNEL32.@)
738 HANDLE WINAPI DECLSPEC_HOTPATCH
CreateSemaphoreA( SECURITY_ATTRIBUTES
*sa
, LONG initial
, LONG max
, LPCSTR name
)
740 return CreateSemaphoreExA( sa
, initial
, max
, name
, 0, SEMAPHORE_ALL_ACCESS
);
744 /***********************************************************************
745 * CreateSemaphoreW (KERNEL32.@)
747 HANDLE WINAPI DECLSPEC_HOTPATCH
CreateSemaphoreW( SECURITY_ATTRIBUTES
*sa
, LONG initial
, LONG max
, LPCWSTR name
)
749 return CreateSemaphoreExW( sa
, initial
, max
, name
, 0, SEMAPHORE_ALL_ACCESS
);
753 /***********************************************************************
754 * CreateSemaphoreExA (KERNEL32.@)
756 HANDLE WINAPI DECLSPEC_HOTPATCH
CreateSemaphoreExA( SECURITY_ATTRIBUTES
*sa
, LONG initial
, LONG max
,
757 LPCSTR name
, DWORD flags
, DWORD access
)
759 WCHAR buffer
[MAX_PATH
];
761 if (!name
) return CreateSemaphoreExW( sa
, initial
, max
, NULL
, flags
, access
);
763 if (!MultiByteToWideChar( CP_ACP
, 0, name
, -1, buffer
, MAX_PATH
))
765 SetLastError( ERROR_FILENAME_EXCED_RANGE
);
768 return CreateSemaphoreExW( sa
, initial
, max
, buffer
, flags
, access
);
772 /***********************************************************************
773 * CreateSemaphoreExW (KERNEL32.@)
775 HANDLE WINAPI DECLSPEC_HOTPATCH
CreateSemaphoreExW( SECURITY_ATTRIBUTES
*sa
, LONG initial
, LONG max
,
776 LPCWSTR name
, DWORD flags
, DWORD access
)
779 UNICODE_STRING nameW
;
780 OBJECT_ATTRIBUTES attr
;
783 attr
.Length
= sizeof(attr
);
784 attr
.RootDirectory
= 0;
785 attr
.ObjectName
= NULL
;
786 attr
.Attributes
= OBJ_OPENIF
| ((sa
&& sa
->bInheritHandle
) ? OBJ_INHERIT
: 0);
787 attr
.SecurityDescriptor
= sa
? sa
->lpSecurityDescriptor
: NULL
;
788 attr
.SecurityQualityOfService
= NULL
;
791 RtlInitUnicodeString( &nameW
, name
);
792 attr
.ObjectName
= &nameW
;
793 attr
.RootDirectory
= get_BaseNamedObjects_handle();
796 status
= NtCreateSemaphore( &ret
, access
, &attr
, initial
, max
);
797 if (status
== STATUS_OBJECT_NAME_EXISTS
)
798 SetLastError( ERROR_ALREADY_EXISTS
);
800 SetLastError( RtlNtStatusToDosError(status
) );
805 /***********************************************************************
806 * OpenSemaphoreA (KERNEL32.@)
808 HANDLE WINAPI DECLSPEC_HOTPATCH
OpenSemaphoreA( DWORD access
, BOOL inherit
, LPCSTR name
)
810 WCHAR buffer
[MAX_PATH
];
812 if (!name
) return OpenSemaphoreW( access
, inherit
, NULL
);
814 if (!MultiByteToWideChar( CP_ACP
, 0, name
, -1, buffer
, MAX_PATH
))
816 SetLastError( ERROR_FILENAME_EXCED_RANGE
);
819 return OpenSemaphoreW( access
, inherit
, buffer
);
823 /***********************************************************************
824 * OpenSemaphoreW (KERNEL32.@)
826 HANDLE WINAPI DECLSPEC_HOTPATCH
OpenSemaphoreW( DWORD access
, BOOL inherit
, LPCWSTR name
)
829 UNICODE_STRING nameW
;
830 OBJECT_ATTRIBUTES attr
;
833 if (!is_version_nt()) access
= SEMAPHORE_ALL_ACCESS
;
835 attr
.Length
= sizeof(attr
);
836 attr
.RootDirectory
= 0;
837 attr
.ObjectName
= NULL
;
838 attr
.Attributes
= inherit
? OBJ_INHERIT
: 0;
839 attr
.SecurityDescriptor
= NULL
;
840 attr
.SecurityQualityOfService
= NULL
;
843 RtlInitUnicodeString( &nameW
, name
);
844 attr
.ObjectName
= &nameW
;
845 attr
.RootDirectory
= get_BaseNamedObjects_handle();
848 status
= NtOpenSemaphore( &ret
, access
, &attr
);
849 if (status
!= STATUS_SUCCESS
)
851 SetLastError( RtlNtStatusToDosError(status
) );
858 /***********************************************************************
859 * ReleaseSemaphore (KERNEL32.@)
861 BOOL WINAPI DECLSPEC_HOTPATCH
ReleaseSemaphore( HANDLE handle
, LONG count
, LONG
*previous
)
863 NTSTATUS status
= NtReleaseSemaphore( handle
, count
, (PULONG
)previous
);
864 if (status
) SetLastError( RtlNtStatusToDosError(status
) );
873 /******************************************************************************
874 * CreateJobObjectW (KERNEL32.@)
876 HANDLE WINAPI
CreateJobObjectW( LPSECURITY_ATTRIBUTES sa
, LPCWSTR name
)
879 UNICODE_STRING nameW
;
880 OBJECT_ATTRIBUTES attr
;
883 attr
.Length
= sizeof(attr
);
884 attr
.RootDirectory
= 0;
885 attr
.ObjectName
= NULL
;
886 attr
.Attributes
= OBJ_OPENIF
| ((sa
&& sa
->bInheritHandle
) ? OBJ_INHERIT
: 0);
887 attr
.SecurityDescriptor
= sa
? sa
->lpSecurityDescriptor
: NULL
;
888 attr
.SecurityQualityOfService
= NULL
;
891 RtlInitUnicodeString( &nameW
, name
);
892 attr
.ObjectName
= &nameW
;
893 attr
.RootDirectory
= get_BaseNamedObjects_handle();
896 status
= NtCreateJobObject( &ret
, JOB_OBJECT_ALL_ACCESS
, &attr
);
897 if (status
== STATUS_OBJECT_NAME_EXISTS
)
898 SetLastError( ERROR_ALREADY_EXISTS
);
900 SetLastError( RtlNtStatusToDosError(status
) );
904 /******************************************************************************
905 * CreateJobObjectA (KERNEL32.@)
907 HANDLE WINAPI
CreateJobObjectA( LPSECURITY_ATTRIBUTES attr
, LPCSTR name
)
909 WCHAR buffer
[MAX_PATH
];
911 if (!name
) return CreateJobObjectW( attr
, NULL
);
913 if (!MultiByteToWideChar( CP_ACP
, 0, name
, -1, buffer
, MAX_PATH
))
915 SetLastError( ERROR_FILENAME_EXCED_RANGE
);
918 return CreateJobObjectW( attr
, buffer
);
921 /******************************************************************************
922 * OpenJobObjectW (KERNEL32.@)
924 HANDLE WINAPI
OpenJobObjectW( DWORD access
, BOOL inherit
, LPCWSTR name
)
927 UNICODE_STRING nameW
;
928 OBJECT_ATTRIBUTES attr
;
931 attr
.Length
= sizeof(attr
);
932 attr
.RootDirectory
= 0;
933 attr
.ObjectName
= NULL
;
934 attr
.Attributes
= inherit
? OBJ_INHERIT
: 0;
935 attr
.SecurityDescriptor
= NULL
;
936 attr
.SecurityQualityOfService
= NULL
;
939 RtlInitUnicodeString( &nameW
, name
);
940 attr
.ObjectName
= &nameW
;
941 attr
.RootDirectory
= get_BaseNamedObjects_handle();
944 status
= NtOpenJobObject( &ret
, access
, &attr
);
945 if (status
!= STATUS_SUCCESS
)
947 SetLastError( RtlNtStatusToDosError(status
) );
953 /******************************************************************************
954 * OpenJobObjectA (KERNEL32.@)
956 HANDLE WINAPI
OpenJobObjectA( DWORD access
, BOOL inherit
, LPCSTR name
)
958 WCHAR buffer
[MAX_PATH
];
960 if (!name
) return OpenJobObjectW( access
, inherit
, NULL
);
962 if (!MultiByteToWideChar( CP_ACP
, 0, name
, -1, buffer
, MAX_PATH
))
964 SetLastError( ERROR_FILENAME_EXCED_RANGE
);
967 return OpenJobObjectW( access
, inherit
, buffer
);
970 /******************************************************************************
971 * TerminateJobObject (KERNEL32.@)
973 BOOL WINAPI
TerminateJobObject( HANDLE job
, UINT exit_code
)
975 NTSTATUS status
= NtTerminateJobObject( job
, exit_code
);
976 if (status
) SetLastError( RtlNtStatusToDosError(status
) );
980 /******************************************************************************
981 * QueryInformationJobObject (KERNEL32.@)
983 BOOL WINAPI
QueryInformationJobObject( HANDLE job
, JOBOBJECTINFOCLASS
class, LPVOID info
,
984 DWORD len
, DWORD
*ret_len
)
986 NTSTATUS status
= NtQueryInformationJobObject( job
, class, info
, len
, ret_len
);
987 if (status
) SetLastError( RtlNtStatusToDosError(status
) );
991 /******************************************************************************
992 * SetInformationJobObject (KERNEL32.@)
994 BOOL WINAPI
SetInformationJobObject( HANDLE job
, JOBOBJECTINFOCLASS
class, LPVOID info
, DWORD len
)
996 NTSTATUS status
= NtSetInformationJobObject( job
, class, info
, len
);
997 if (status
) SetLastError( RtlNtStatusToDosError(status
) );
1001 /******************************************************************************
1002 * AssignProcessToJobObject (KERNEL32.@)
1004 BOOL WINAPI
AssignProcessToJobObject( HANDLE job
, HANDLE process
)
1006 NTSTATUS status
= NtAssignProcessToJobObject( job
, process
);
1007 if (status
) SetLastError( RtlNtStatusToDosError(status
) );
1011 /******************************************************************************
1012 * IsProcessInJob (KERNEL32.@)
1014 BOOL WINAPI
IsProcessInJob( HANDLE process
, HANDLE job
, PBOOL result
)
1016 NTSTATUS status
= NtIsProcessInJob( process
, job
);
1019 case STATUS_PROCESS_IN_JOB
:
1022 case STATUS_PROCESS_NOT_IN_JOB
:
1026 SetLastError( RtlNtStatusToDosError(status
) );
1037 /***********************************************************************
1038 * CreateWaitableTimerA (KERNEL32.@)
1040 HANDLE WINAPI
CreateWaitableTimerA( SECURITY_ATTRIBUTES
*sa
, BOOL manual
, LPCSTR name
)
1042 return CreateWaitableTimerExA( sa
, name
, manual
? CREATE_WAITABLE_TIMER_MANUAL_RESET
: 0,
1047 /***********************************************************************
1048 * CreateWaitableTimerW (KERNEL32.@)
1050 HANDLE WINAPI
CreateWaitableTimerW( SECURITY_ATTRIBUTES
*sa
, BOOL manual
, LPCWSTR name
)
1052 return CreateWaitableTimerExW( sa
, name
, manual
? CREATE_WAITABLE_TIMER_MANUAL_RESET
: 0,
1057 /***********************************************************************
1058 * CreateWaitableTimerExA (KERNEL32.@)
1060 HANDLE WINAPI
CreateWaitableTimerExA( SECURITY_ATTRIBUTES
*sa
, LPCSTR name
, DWORD flags
, DWORD access
)
1062 WCHAR buffer
[MAX_PATH
];
1064 if (!name
) return CreateWaitableTimerExW( sa
, NULL
, flags
, access
);
1066 if (!MultiByteToWideChar( CP_ACP
, 0, name
, -1, buffer
, MAX_PATH
))
1068 SetLastError( ERROR_FILENAME_EXCED_RANGE
);
1071 return CreateWaitableTimerExW( sa
, buffer
, flags
, access
);
1075 /***********************************************************************
1076 * CreateWaitableTimerExW (KERNEL32.@)
1078 HANDLE WINAPI
CreateWaitableTimerExW( SECURITY_ATTRIBUTES
*sa
, LPCWSTR name
, DWORD flags
, DWORD access
)
1082 UNICODE_STRING nameW
;
1083 OBJECT_ATTRIBUTES attr
;
1085 attr
.Length
= sizeof(attr
);
1086 attr
.RootDirectory
= 0;
1087 attr
.ObjectName
= NULL
;
1088 attr
.Attributes
= OBJ_OPENIF
| ((sa
&& sa
->bInheritHandle
) ? OBJ_INHERIT
: 0);
1089 attr
.SecurityDescriptor
= sa
? sa
->lpSecurityDescriptor
: NULL
;
1090 attr
.SecurityQualityOfService
= NULL
;
1093 RtlInitUnicodeString( &nameW
, name
);
1094 attr
.ObjectName
= &nameW
;
1095 attr
.RootDirectory
= get_BaseNamedObjects_handle();
1098 status
= NtCreateTimer( &handle
, access
, &attr
,
1099 (flags
& CREATE_WAITABLE_TIMER_MANUAL_RESET
) ? NotificationTimer
: SynchronizationTimer
);
1100 if (status
== STATUS_OBJECT_NAME_EXISTS
)
1101 SetLastError( ERROR_ALREADY_EXISTS
);
1103 SetLastError( RtlNtStatusToDosError(status
) );
1108 /***********************************************************************
1109 * OpenWaitableTimerA (KERNEL32.@)
1111 HANDLE WINAPI
OpenWaitableTimerA( DWORD access
, BOOL inherit
, LPCSTR name
)
1113 WCHAR buffer
[MAX_PATH
];
1115 if (!name
) return OpenWaitableTimerW( access
, inherit
, NULL
);
1117 if (!MultiByteToWideChar( CP_ACP
, 0, name
, -1, buffer
, MAX_PATH
))
1119 SetLastError( ERROR_FILENAME_EXCED_RANGE
);
1122 return OpenWaitableTimerW( access
, inherit
, buffer
);
1126 /***********************************************************************
1127 * OpenWaitableTimerW (KERNEL32.@)
1129 HANDLE WINAPI
OpenWaitableTimerW( DWORD access
, BOOL inherit
, LPCWSTR name
)
1132 UNICODE_STRING nameW
;
1133 OBJECT_ATTRIBUTES attr
;
1136 if (!is_version_nt()) access
= TIMER_ALL_ACCESS
;
1138 attr
.Length
= sizeof(attr
);
1139 attr
.RootDirectory
= 0;
1140 attr
.ObjectName
= NULL
;
1141 attr
.Attributes
= inherit
? OBJ_INHERIT
: 0;
1142 attr
.SecurityDescriptor
= NULL
;
1143 attr
.SecurityQualityOfService
= NULL
;
1146 RtlInitUnicodeString( &nameW
, name
);
1147 attr
.ObjectName
= &nameW
;
1148 attr
.RootDirectory
= get_BaseNamedObjects_handle();
1151 status
= NtOpenTimer(&handle
, access
, &attr
);
1152 if (status
!= STATUS_SUCCESS
)
1154 SetLastError( RtlNtStatusToDosError(status
) );
1161 /***********************************************************************
1162 * SetWaitableTimer (KERNEL32.@)
1164 BOOL WINAPI
SetWaitableTimer( HANDLE handle
, const LARGE_INTEGER
*when
, LONG period
,
1165 PTIMERAPCROUTINE callback
, LPVOID arg
, BOOL resume
)
1167 NTSTATUS status
= NtSetTimer(handle
, when
, (PTIMER_APC_ROUTINE
)callback
,
1168 arg
, resume
, period
, NULL
);
1170 if (status
!= STATUS_SUCCESS
)
1172 SetLastError( RtlNtStatusToDosError(status
) );
1173 if (status
!= STATUS_TIMER_RESUME_IGNORED
) return FALSE
;
1178 /***********************************************************************
1179 * SetWaitableTimerEx (KERNEL32.@)
1181 BOOL WINAPI
SetWaitableTimerEx( HANDLE handle
, const LARGE_INTEGER
*when
, LONG period
,
1182 PTIMERAPCROUTINE callback
, LPVOID arg
, REASON_CONTEXT
*context
, ULONG tolerabledelay
)
1187 FIXME("(%p, %p, %d, %p, %p, %p, %d) semi-stub\n",
1188 handle
, when
, period
, callback
, arg
, context
, tolerabledelay
);
1190 return SetWaitableTimer(handle
, when
, period
, callback
, arg
, FALSE
);
1193 /***********************************************************************
1194 * CancelWaitableTimer (KERNEL32.@)
1196 BOOL WINAPI
CancelWaitableTimer( HANDLE handle
)
1200 status
= NtCancelTimer(handle
, NULL
);
1201 if (status
!= STATUS_SUCCESS
)
1203 SetLastError( RtlNtStatusToDosError(status
) );
1210 /***********************************************************************
1211 * CreateTimerQueue (KERNEL32.@)
1213 HANDLE WINAPI
CreateTimerQueue(void)
1216 NTSTATUS status
= RtlCreateTimerQueue(&q
);
1218 if (status
!= STATUS_SUCCESS
)
1220 SetLastError( RtlNtStatusToDosError(status
) );
1228 /***********************************************************************
1229 * DeleteTimerQueueEx (KERNEL32.@)
1231 BOOL WINAPI
DeleteTimerQueueEx(HANDLE TimerQueue
, HANDLE CompletionEvent
)
1233 NTSTATUS status
= RtlDeleteTimerQueueEx(TimerQueue
, CompletionEvent
);
1235 if (status
!= STATUS_SUCCESS
)
1237 SetLastError( RtlNtStatusToDosError(status
) );
1244 /***********************************************************************
1245 * DeleteTimerQueue (KERNEL32.@)
1247 BOOL WINAPI
DeleteTimerQueue(HANDLE TimerQueue
)
1249 return DeleteTimerQueueEx(TimerQueue
, NULL
);
1252 /***********************************************************************
1253 * CreateTimerQueueTimer (KERNEL32.@)
1255 * Creates a timer-queue timer. This timer expires at the specified due
1256 * time (in ms), then after every specified period (in ms). When the timer
1257 * expires, the callback function is called.
1260 * nonzero on success or zero on failure
1262 BOOL WINAPI
CreateTimerQueueTimer( PHANDLE phNewTimer
, HANDLE TimerQueue
,
1263 WAITORTIMERCALLBACK Callback
, PVOID Parameter
,
1264 DWORD DueTime
, DWORD Period
, ULONG Flags
)
1266 NTSTATUS status
= RtlCreateTimer(phNewTimer
, TimerQueue
, Callback
,
1267 Parameter
, DueTime
, Period
, Flags
);
1269 if (status
!= STATUS_SUCCESS
)
1271 SetLastError( RtlNtStatusToDosError(status
) );
1278 /***********************************************************************
1279 * ChangeTimerQueueTimer (KERNEL32.@)
1281 * Changes the times at which the timer expires.
1284 * nonzero on success or zero on failure
1286 BOOL WINAPI
ChangeTimerQueueTimer( HANDLE TimerQueue
, HANDLE Timer
,
1287 ULONG DueTime
, ULONG Period
)
1289 NTSTATUS status
= RtlUpdateTimer(TimerQueue
, Timer
, DueTime
, Period
);
1291 if (status
!= STATUS_SUCCESS
)
1293 SetLastError( RtlNtStatusToDosError(status
) );
1300 /***********************************************************************
1301 * CancelTimerQueueTimer (KERNEL32.@)
1303 BOOL WINAPI
CancelTimerQueueTimer(HANDLE queue
, HANDLE timer
)
1305 FIXME("stub: %p %p\n", queue
, timer
);
1309 /***********************************************************************
1310 * DeleteTimerQueueTimer (KERNEL32.@)
1312 * Cancels a timer-queue timer.
1315 * nonzero on success or zero on failure
1317 BOOL WINAPI
DeleteTimerQueueTimer( HANDLE TimerQueue
, HANDLE Timer
,
1318 HANDLE CompletionEvent
)
1320 NTSTATUS status
= RtlDeleteTimer(TimerQueue
, Timer
, CompletionEvent
);
1321 if (status
!= STATUS_SUCCESS
)
1323 SetLastError( RtlNtStatusToDosError(status
) );
1335 /***********************************************************************
1336 * CreateNamedPipeA (KERNEL32.@)
1338 HANDLE WINAPI
CreateNamedPipeA( LPCSTR name
, DWORD dwOpenMode
,
1339 DWORD dwPipeMode
, DWORD nMaxInstances
,
1340 DWORD nOutBufferSize
, DWORD nInBufferSize
,
1341 DWORD nDefaultTimeOut
, LPSECURITY_ATTRIBUTES attr
)
1343 WCHAR buffer
[MAX_PATH
];
1345 if (!name
) return CreateNamedPipeW( NULL
, dwOpenMode
, dwPipeMode
, nMaxInstances
,
1346 nOutBufferSize
, nInBufferSize
, nDefaultTimeOut
, attr
);
1348 if (!MultiByteToWideChar( CP_ACP
, 0, name
, -1, buffer
, MAX_PATH
))
1350 SetLastError( ERROR_FILENAME_EXCED_RANGE
);
1351 return INVALID_HANDLE_VALUE
;
1353 return CreateNamedPipeW( buffer
, dwOpenMode
, dwPipeMode
, nMaxInstances
,
1354 nOutBufferSize
, nInBufferSize
, nDefaultTimeOut
, attr
);
1358 /***********************************************************************
1359 * CreateNamedPipeW (KERNEL32.@)
1361 HANDLE WINAPI
CreateNamedPipeW( LPCWSTR name
, DWORD dwOpenMode
,
1362 DWORD dwPipeMode
, DWORD nMaxInstances
,
1363 DWORD nOutBufferSize
, DWORD nInBufferSize
,
1364 DWORD nDefaultTimeOut
, LPSECURITY_ATTRIBUTES sa
)
1367 UNICODE_STRING nt_name
;
1368 OBJECT_ATTRIBUTES attr
;
1369 DWORD access
, options
, sharing
;
1370 BOOLEAN pipe_type
, read_mode
, non_block
;
1372 IO_STATUS_BLOCK iosb
;
1373 LARGE_INTEGER timeout
;
1375 TRACE("(%s, %#08x, %#08x, %d, %d, %d, %d, %p)\n",
1376 debugstr_w(name
), dwOpenMode
, dwPipeMode
, nMaxInstances
,
1377 nOutBufferSize
, nInBufferSize
, nDefaultTimeOut
, sa
);
1379 if (!RtlDosPathNameToNtPathName_U( name
, &nt_name
, NULL
, NULL
))
1381 SetLastError( ERROR_PATH_NOT_FOUND
);
1382 return INVALID_HANDLE_VALUE
;
1384 if (nt_name
.Length
>= MAX_PATH
* sizeof(WCHAR
) )
1386 SetLastError( ERROR_FILENAME_EXCED_RANGE
);
1387 RtlFreeUnicodeString( &nt_name
);
1388 return INVALID_HANDLE_VALUE
;
1391 attr
.Length
= sizeof(attr
);
1392 attr
.RootDirectory
= 0;
1393 attr
.ObjectName
= &nt_name
;
1394 attr
.Attributes
= OBJ_CASE_INSENSITIVE
|
1395 ((sa
&& sa
->bInheritHandle
) ? OBJ_INHERIT
: 0);
1396 attr
.SecurityDescriptor
= sa
? sa
->lpSecurityDescriptor
: NULL
;
1397 attr
.SecurityQualityOfService
= NULL
;
1399 switch(dwOpenMode
& 3)
1401 case PIPE_ACCESS_INBOUND
:
1402 sharing
= FILE_SHARE_WRITE
;
1403 access
= GENERIC_READ
;
1405 case PIPE_ACCESS_OUTBOUND
:
1406 sharing
= FILE_SHARE_READ
;
1407 access
= GENERIC_WRITE
;
1409 case PIPE_ACCESS_DUPLEX
:
1410 sharing
= FILE_SHARE_READ
| FILE_SHARE_WRITE
;
1411 access
= GENERIC_READ
| GENERIC_WRITE
;
1414 SetLastError( ERROR_INVALID_PARAMETER
);
1415 return INVALID_HANDLE_VALUE
;
1417 access
|= SYNCHRONIZE
;
1419 if (dwOpenMode
& WRITE_DAC
) access
|= WRITE_DAC
;
1420 if (dwOpenMode
& WRITE_OWNER
) access
|= WRITE_OWNER
;
1421 if (dwOpenMode
& ACCESS_SYSTEM_SECURITY
) access
|= ACCESS_SYSTEM_SECURITY
;
1422 if (dwOpenMode
& FILE_FLAG_WRITE_THROUGH
) options
|= FILE_WRITE_THROUGH
;
1423 if (!(dwOpenMode
& FILE_FLAG_OVERLAPPED
)) options
|= FILE_SYNCHRONOUS_IO_NONALERT
;
1424 pipe_type
= (dwPipeMode
& PIPE_TYPE_MESSAGE
) != 0;
1425 read_mode
= (dwPipeMode
& PIPE_READMODE_MESSAGE
) != 0;
1426 non_block
= (dwPipeMode
& PIPE_NOWAIT
) != 0;
1427 if (nMaxInstances
>= PIPE_UNLIMITED_INSTANCES
) nMaxInstances
= ~0U;
1429 timeout
.QuadPart
= (ULONGLONG
)nDefaultTimeOut
* -10000;
1433 status
= NtCreateNamedPipeFile(&handle
, access
, &attr
, &iosb
, sharing
,
1434 FILE_OVERWRITE_IF
, options
, pipe_type
,
1435 read_mode
, non_block
, nMaxInstances
,
1436 nInBufferSize
, nOutBufferSize
, &timeout
);
1438 RtlFreeUnicodeString( &nt_name
);
1441 handle
= INVALID_HANDLE_VALUE
;
1442 SetLastError( RtlNtStatusToDosError(status
) );
1448 /***********************************************************************
1449 * PeekNamedPipe (KERNEL32.@)
1451 BOOL WINAPI
PeekNamedPipe( HANDLE hPipe
, LPVOID lpvBuffer
, DWORD cbBuffer
,
1452 LPDWORD lpcbRead
, LPDWORD lpcbAvail
, LPDWORD lpcbMessage
)
1454 FILE_PIPE_PEEK_BUFFER local_buffer
;
1455 FILE_PIPE_PEEK_BUFFER
*buffer
= &local_buffer
;
1459 if (cbBuffer
&& !(buffer
= HeapAlloc( GetProcessHeap(), 0,
1460 FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER
, Data
[cbBuffer
] ))))
1462 SetLastError( ERROR_NOT_ENOUGH_MEMORY
);
1466 status
= NtFsControlFile( hPipe
, 0, NULL
, NULL
, &io
, FSCTL_PIPE_PEEK
, NULL
, 0,
1467 buffer
, FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER
, Data
[cbBuffer
] ) );
1470 ULONG read_size
= io
.Information
- FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER
, Data
);
1471 if (lpcbAvail
) *lpcbAvail
= buffer
->ReadDataAvailable
;
1472 if (lpcbRead
) *lpcbRead
= read_size
;
1473 if (lpcbMessage
) *lpcbMessage
= 0; /* FIXME */
1474 if (lpvBuffer
) memcpy( lpvBuffer
, buffer
->Data
, read_size
);
1476 else SetLastError( RtlNtStatusToDosError(status
) );
1478 if (buffer
!= &local_buffer
) HeapFree( GetProcessHeap(), 0, buffer
);
1482 /***********************************************************************
1483 * WaitNamedPipeA (KERNEL32.@)
1485 BOOL WINAPI
WaitNamedPipeA (LPCSTR name
, DWORD nTimeOut
)
1487 WCHAR buffer
[MAX_PATH
];
1489 if (!name
) return WaitNamedPipeW( NULL
, nTimeOut
);
1491 if (!MultiByteToWideChar( CP_ACP
, 0, name
, -1, buffer
, MAX_PATH
))
1493 SetLastError( ERROR_FILENAME_EXCED_RANGE
);
1496 return WaitNamedPipeW( buffer
, nTimeOut
);
1500 /***********************************************************************
1501 * WaitNamedPipeW (KERNEL32.@)
1503 * Waits for a named pipe instance to become available
1506 * name [I] Pointer to a named pipe name to wait for
1507 * nTimeOut [I] How long to wait in ms
1510 * TRUE: Success, named pipe can be opened with CreateFile
1511 * FALSE: Failure, GetLastError can be called for further details
1513 BOOL WINAPI
WaitNamedPipeW (LPCWSTR name
, DWORD nTimeOut
)
1515 static const WCHAR leadin
[] = {'\\','?','?','\\','P','I','P','E','\\'};
1517 UNICODE_STRING nt_name
, pipe_dev_name
;
1518 FILE_PIPE_WAIT_FOR_BUFFER
*pipe_wait
;
1519 IO_STATUS_BLOCK iosb
;
1520 OBJECT_ATTRIBUTES attr
;
1524 TRACE("%s 0x%08x\n",debugstr_w(name
),nTimeOut
);
1526 if (!RtlDosPathNameToNtPathName_U( name
, &nt_name
, NULL
, NULL
))
1529 if (nt_name
.Length
>= MAX_PATH
* sizeof(WCHAR
) ||
1530 nt_name
.Length
< sizeof(leadin
) ||
1531 strncmpiW( nt_name
.Buffer
, leadin
, sizeof(leadin
)/sizeof(WCHAR
)) != 0)
1533 RtlFreeUnicodeString( &nt_name
);
1534 SetLastError( ERROR_PATH_NOT_FOUND
);
1538 sz_pipe_wait
= sizeof(*pipe_wait
) + nt_name
.Length
- sizeof(leadin
) - sizeof(WCHAR
);
1539 if (!(pipe_wait
= HeapAlloc( GetProcessHeap(), 0, sz_pipe_wait
)))
1541 RtlFreeUnicodeString( &nt_name
);
1542 SetLastError( ERROR_OUTOFMEMORY
);
1546 pipe_dev_name
.Buffer
= nt_name
.Buffer
;
1547 pipe_dev_name
.Length
= sizeof(leadin
);
1548 pipe_dev_name
.MaximumLength
= sizeof(leadin
);
1549 InitializeObjectAttributes(&attr
,&pipe_dev_name
, OBJ_CASE_INSENSITIVE
, NULL
, NULL
);
1550 status
= NtOpenFile( &pipe_dev
, FILE_READ_ATTRIBUTES
| SYNCHRONIZE
, &attr
,
1551 &iosb
, FILE_SHARE_READ
| FILE_SHARE_WRITE
,
1552 FILE_SYNCHRONOUS_IO_NONALERT
);
1553 if (status
!= ERROR_SUCCESS
)
1555 HeapFree( GetProcessHeap(), 0, pipe_wait
);
1556 RtlFreeUnicodeString( &nt_name
);
1557 SetLastError( ERROR_PATH_NOT_FOUND
);
1561 pipe_wait
->TimeoutSpecified
= !(nTimeOut
== NMPWAIT_USE_DEFAULT_WAIT
);
1562 if (nTimeOut
== NMPWAIT_WAIT_FOREVER
)
1563 pipe_wait
->Timeout
.QuadPart
= ((ULONGLONG
)0x7fffffff << 32) | 0xffffffff;
1565 pipe_wait
->Timeout
.QuadPart
= (ULONGLONG
)nTimeOut
* -10000;
1566 pipe_wait
->NameLength
= nt_name
.Length
- sizeof(leadin
);
1567 memcpy(pipe_wait
->Name
, nt_name
.Buffer
+ sizeof(leadin
)/sizeof(WCHAR
),
1568 pipe_wait
->NameLength
);
1569 RtlFreeUnicodeString( &nt_name
);
1571 status
= NtFsControlFile( pipe_dev
, NULL
, NULL
, NULL
, &iosb
, FSCTL_PIPE_WAIT
,
1572 pipe_wait
, sz_pipe_wait
, NULL
, 0 );
1574 HeapFree( GetProcessHeap(), 0, pipe_wait
);
1575 NtClose( pipe_dev
);
1577 if(status
!= STATUS_SUCCESS
)
1579 SetLastError(RtlNtStatusToDosError(status
));
1587 /***********************************************************************
1588 * ConnectNamedPipe (KERNEL32.@)
1590 * Connects to a named pipe
1593 * hPipe: A handle to a named pipe returned by CreateNamedPipe
1594 * overlapped: Optional OVERLAPPED struct
1598 * FALSE: Failure, GetLastError can be called for further details
1600 BOOL WINAPI
ConnectNamedPipe(HANDLE hPipe
, LPOVERLAPPED overlapped
)
1603 IO_STATUS_BLOCK status_block
;
1604 LPVOID cvalue
= NULL
;
1606 TRACE("(%p,%p)\n", hPipe
, overlapped
);
1610 overlapped
->Internal
= STATUS_PENDING
;
1611 overlapped
->InternalHigh
= 0;
1612 if (((ULONG_PTR
)overlapped
->hEvent
& 1) == 0) cvalue
= overlapped
;
1615 status
= NtFsControlFile(hPipe
, overlapped
? overlapped
->hEvent
: NULL
, NULL
, cvalue
,
1616 overlapped
? (IO_STATUS_BLOCK
*)overlapped
: &status_block
,
1617 FSCTL_PIPE_LISTEN
, NULL
, 0, NULL
, 0);
1619 if (status
== STATUS_SUCCESS
) return TRUE
;
1620 SetLastError( RtlNtStatusToDosError(status
) );
1624 /***********************************************************************
1625 * DisconnectNamedPipe (KERNEL32.@)
1627 * Disconnects from a named pipe
1630 * hPipe: A handle to a named pipe returned by CreateNamedPipe
1634 * FALSE: Failure, GetLastError can be called for further details
1636 BOOL WINAPI
DisconnectNamedPipe(HANDLE hPipe
)
1639 IO_STATUS_BLOCK io_block
;
1641 TRACE("(%p)\n",hPipe
);
1643 status
= NtFsControlFile(hPipe
, 0, NULL
, NULL
, &io_block
, FSCTL_PIPE_DISCONNECT
,
1645 if (status
== STATUS_SUCCESS
) return TRUE
;
1646 SetLastError( RtlNtStatusToDosError(status
) );
1650 /***********************************************************************
1651 * TransactNamedPipe (KERNEL32.@)
1654 * should be done as a single operation in the wineserver or kernel
1656 BOOL WINAPI
TransactNamedPipe(
1657 HANDLE handle
, LPVOID write_buf
, DWORD write_size
, LPVOID read_buf
,
1658 DWORD read_size
, LPDWORD bytes_read
, LPOVERLAPPED overlapped
)
1663 TRACE("%p %p %d %p %d %p %p\n",
1664 handle
, write_buf
, write_size
, read_buf
,
1665 read_size
, bytes_read
, overlapped
);
1669 FIXME("Doesn't support overlapped operation as yet\n");
1673 r
= WriteFile(handle
, write_buf
, write_size
, &count
, NULL
);
1675 r
= ReadFile(handle
, read_buf
, read_size
, bytes_read
, NULL
);
1680 /***********************************************************************
1681 * GetNamedPipeInfo (KERNEL32.@)
1683 BOOL WINAPI
GetNamedPipeInfo(
1684 HANDLE hNamedPipe
, LPDWORD lpFlags
, LPDWORD lpOutputBufferSize
,
1685 LPDWORD lpInputBufferSize
, LPDWORD lpMaxInstances
)
1687 FILE_PIPE_LOCAL_INFORMATION fpli
;
1688 IO_STATUS_BLOCK iosb
;
1691 status
= NtQueryInformationFile(hNamedPipe
, &iosb
, &fpli
, sizeof(fpli
),
1692 FilePipeLocalInformation
);
1695 SetLastError( RtlNtStatusToDosError(status
) );
1701 *lpFlags
= (fpli
.NamedPipeEnd
& FILE_PIPE_SERVER_END
) ?
1702 PIPE_SERVER_END
: PIPE_CLIENT_END
;
1703 *lpFlags
|= (fpli
.NamedPipeType
& FILE_PIPE_TYPE_MESSAGE
) ?
1704 PIPE_TYPE_MESSAGE
: PIPE_TYPE_BYTE
;
1707 if (lpOutputBufferSize
) *lpOutputBufferSize
= fpli
.OutboundQuota
;
1708 if (lpInputBufferSize
) *lpInputBufferSize
= fpli
.InboundQuota
;
1709 if (lpMaxInstances
) *lpMaxInstances
= fpli
.MaximumInstances
;
1714 /***********************************************************************
1715 * GetNamedPipeHandleStateA (KERNEL32.@)
1717 BOOL WINAPI
GetNamedPipeHandleStateA(
1718 HANDLE hNamedPipe
, LPDWORD lpState
, LPDWORD lpCurInstances
,
1719 LPDWORD lpMaxCollectionCount
, LPDWORD lpCollectDataTimeout
,
1720 LPSTR lpUsername
, DWORD nUsernameMaxSize
)
1722 WARN("%p %p %p %p %p %p %d: semi-stub\n",
1723 hNamedPipe
, lpState
, lpCurInstances
,
1724 lpMaxCollectionCount
, lpCollectDataTimeout
,
1725 lpUsername
, nUsernameMaxSize
);
1727 if (lpUsername
&& nUsernameMaxSize
)
1730 return GetNamedPipeHandleStateW(hNamedPipe
, lpState
, lpCurInstances
,
1731 lpMaxCollectionCount
, lpCollectDataTimeout
, NULL
, 0);
1734 /***********************************************************************
1735 * GetNamedPipeHandleStateW (KERNEL32.@)
1737 BOOL WINAPI
GetNamedPipeHandleStateW(
1738 HANDLE hNamedPipe
, LPDWORD lpState
, LPDWORD lpCurInstances
,
1739 LPDWORD lpMaxCollectionCount
, LPDWORD lpCollectDataTimeout
,
1740 LPWSTR lpUsername
, DWORD nUsernameMaxSize
)
1742 IO_STATUS_BLOCK iosb
;
1745 FIXME("%p %p %p %p %p %p %d: semi-stub\n",
1746 hNamedPipe
, lpState
, lpCurInstances
,
1747 lpMaxCollectionCount
, lpCollectDataTimeout
,
1748 lpUsername
, nUsernameMaxSize
);
1750 if (lpMaxCollectionCount
)
1751 *lpMaxCollectionCount
= 0;
1753 if (lpCollectDataTimeout
)
1754 *lpCollectDataTimeout
= 0;
1756 if (lpUsername
&& nUsernameMaxSize
)
1761 FILE_PIPE_INFORMATION fpi
;
1762 status
= NtQueryInformationFile(hNamedPipe
, &iosb
, &fpi
, sizeof(fpi
),
1763 FilePipeInformation
);
1766 SetLastError( RtlNtStatusToDosError(status
) );
1770 *lpState
= (fpi
.ReadMode
? PIPE_READMODE_MESSAGE
: PIPE_READMODE_BYTE
) |
1771 (fpi
.CompletionMode
? PIPE_NOWAIT
: PIPE_WAIT
);
1776 FILE_PIPE_LOCAL_INFORMATION fpli
;
1777 status
= NtQueryInformationFile(hNamedPipe
, &iosb
, &fpli
, sizeof(fpli
),
1778 FilePipeLocalInformation
);
1781 SetLastError( RtlNtStatusToDosError(status
) );
1785 *lpCurInstances
= fpli
.CurrentInstances
;
1791 /***********************************************************************
1792 * SetNamedPipeHandleState (KERNEL32.@)
1794 BOOL WINAPI
SetNamedPipeHandleState(
1795 HANDLE hNamedPipe
, LPDWORD lpMode
, LPDWORD lpMaxCollectionCount
,
1796 LPDWORD lpCollectDataTimeout
)
1798 /* should be a fixme, but this function is called a lot by the RPC
1799 * runtime, and it slows down InstallShield a fair bit. */
1800 WARN("semi-stub: %p %p/%d %p %p\n",
1801 hNamedPipe
, lpMode
, lpMode
? *lpMode
: 0, lpMaxCollectionCount
, lpCollectDataTimeout
);
1805 FILE_PIPE_INFORMATION fpi
;
1806 IO_STATUS_BLOCK iosb
;
1809 if (*lpMode
& ~(PIPE_READMODE_MESSAGE
| PIPE_NOWAIT
))
1810 status
= STATUS_INVALID_PARAMETER
;
1813 fpi
.CompletionMode
= (*lpMode
& PIPE_NOWAIT
) ?
1814 FILE_PIPE_COMPLETE_OPERATION
: FILE_PIPE_QUEUE_OPERATION
;
1815 fpi
.ReadMode
= (*lpMode
& PIPE_READMODE_MESSAGE
) ?
1816 FILE_PIPE_MESSAGE_MODE
: FILE_PIPE_BYTE_STREAM_MODE
;
1817 status
= NtSetInformationFile(hNamedPipe
, &iosb
, &fpi
, sizeof(fpi
), FilePipeInformation
);
1822 SetLastError( RtlNtStatusToDosError(status
) );
1830 /***********************************************************************
1831 * CallNamedPipeA (KERNEL32.@)
1833 BOOL WINAPI
CallNamedPipeA(
1834 LPCSTR lpNamedPipeName
, LPVOID lpInput
, DWORD dwInputSize
,
1835 LPVOID lpOutput
, DWORD dwOutputSize
,
1836 LPDWORD lpBytesRead
, DWORD nTimeout
)
1842 TRACE("%s %p %d %p %d %p %d\n",
1843 debugstr_a(lpNamedPipeName
), lpInput
, dwInputSize
,
1844 lpOutput
, dwOutputSize
, lpBytesRead
, nTimeout
);
1846 if( lpNamedPipeName
)
1848 len
= MultiByteToWideChar( CP_ACP
, 0, lpNamedPipeName
, -1, NULL
, 0 );
1849 str
= HeapAlloc( GetProcessHeap(), 0, len
*sizeof(WCHAR
) );
1850 MultiByteToWideChar( CP_ACP
, 0, lpNamedPipeName
, -1, str
, len
);
1852 ret
= CallNamedPipeW( str
, lpInput
, dwInputSize
, lpOutput
,
1853 dwOutputSize
, lpBytesRead
, nTimeout
);
1854 if( lpNamedPipeName
)
1855 HeapFree( GetProcessHeap(), 0, str
);
1860 /***********************************************************************
1861 * CallNamedPipeW (KERNEL32.@)
1863 BOOL WINAPI
CallNamedPipeW(
1864 LPCWSTR lpNamedPipeName
, LPVOID lpInput
, DWORD lpInputSize
,
1865 LPVOID lpOutput
, DWORD lpOutputSize
,
1866 LPDWORD lpBytesRead
, DWORD nTimeout
)
1872 TRACE("%s %p %d %p %d %p %d\n",
1873 debugstr_w(lpNamedPipeName
), lpInput
, lpInputSize
,
1874 lpOutput
, lpOutputSize
, lpBytesRead
, nTimeout
);
1876 pipe
= CreateFileW(lpNamedPipeName
, GENERIC_READ
|GENERIC_WRITE
, 0, NULL
, OPEN_EXISTING
, 0, NULL
);
1877 if (pipe
== INVALID_HANDLE_VALUE
)
1879 ret
= WaitNamedPipeW(lpNamedPipeName
, nTimeout
);
1882 pipe
= CreateFileW(lpNamedPipeName
, GENERIC_READ
|GENERIC_WRITE
, 0, NULL
, OPEN_EXISTING
, 0, NULL
);
1883 if (pipe
== INVALID_HANDLE_VALUE
)
1887 mode
= PIPE_READMODE_MESSAGE
;
1888 ret
= SetNamedPipeHandleState(pipe
, &mode
, NULL
, NULL
);
1895 ret
= TransactNamedPipe(pipe
, lpInput
, lpInputSize
, lpOutput
, lpOutputSize
, lpBytesRead
, NULL
);
1903 /******************************************************************
1904 * CreatePipe (KERNEL32.@)
1907 BOOL WINAPI
CreatePipe( PHANDLE hReadPipe
, PHANDLE hWritePipe
,
1908 LPSECURITY_ATTRIBUTES sa
, DWORD size
)
1910 static unsigned index
/* = 0 */;
1913 unsigned in_index
= index
;
1914 UNICODE_STRING nt_name
;
1915 OBJECT_ATTRIBUTES attr
;
1917 IO_STATUS_BLOCK iosb
;
1918 LARGE_INTEGER timeout
;
1920 *hReadPipe
= *hWritePipe
= INVALID_HANDLE_VALUE
;
1922 attr
.Length
= sizeof(attr
);
1923 attr
.RootDirectory
= 0;
1924 attr
.ObjectName
= &nt_name
;
1925 attr
.Attributes
= OBJ_CASE_INSENSITIVE
|
1926 ((sa
&& sa
->bInheritHandle
) ? OBJ_INHERIT
: 0);
1927 attr
.SecurityDescriptor
= sa
? sa
->lpSecurityDescriptor
: NULL
;
1928 attr
.SecurityQualityOfService
= NULL
;
1930 timeout
.QuadPart
= (ULONGLONG
)NMPWAIT_USE_DEFAULT_WAIT
* -10000;
1931 /* generate a unique pipe name (system wide) */
1934 static const WCHAR nameFmt
[] = { '\\','?','?','\\','p','i','p','e',
1935 '\\','W','i','n','3','2','.','P','i','p','e','s','.','%','0','8','l',
1936 'u','.','%','0','8','u','\0' };
1938 snprintfW(name
, sizeof(name
) / sizeof(name
[0]), nameFmt
,
1939 GetCurrentProcessId(), ++index
);
1940 RtlInitUnicodeString(&nt_name
, name
);
1941 status
= NtCreateNamedPipeFile(&hr
, GENERIC_READ
| SYNCHRONIZE
, &attr
, &iosb
,
1942 FILE_SHARE_WRITE
, FILE_OVERWRITE_IF
,
1943 FILE_SYNCHRONOUS_IO_NONALERT
,
1944 FALSE
, FALSE
, FALSE
,
1945 1, size
, size
, &timeout
);
1948 SetLastError( RtlNtStatusToDosError(status
) );
1949 hr
= INVALID_HANDLE_VALUE
;
1951 } while (hr
== INVALID_HANDLE_VALUE
&& index
!= in_index
);
1952 /* from completion sakeness, I think system resources might be exhausted before this happens !! */
1953 if (hr
== INVALID_HANDLE_VALUE
) return FALSE
;
1955 status
= NtOpenFile(&hw
, GENERIC_WRITE
| SYNCHRONIZE
, &attr
, &iosb
, 0,
1956 FILE_SYNCHRONOUS_IO_NONALERT
| FILE_NON_DIRECTORY_FILE
);
1960 SetLastError( RtlNtStatusToDosError(status
) );
1971 /******************************************************************************
1972 * CreateMailslotA [KERNEL32.@]
1974 * See CreateMailslotW.
1976 HANDLE WINAPI
CreateMailslotA( LPCSTR lpName
, DWORD nMaxMessageSize
,
1977 DWORD lReadTimeout
, LPSECURITY_ATTRIBUTES sa
)
1983 TRACE("%s %d %d %p\n", debugstr_a(lpName
),
1984 nMaxMessageSize
, lReadTimeout
, sa
);
1988 len
= MultiByteToWideChar( CP_ACP
, 0, lpName
, -1, NULL
, 0 );
1989 name
= HeapAlloc( GetProcessHeap(), 0, len
*sizeof(WCHAR
) );
1990 MultiByteToWideChar( CP_ACP
, 0, lpName
, -1, name
, len
);
1993 handle
= CreateMailslotW( name
, nMaxMessageSize
, lReadTimeout
, sa
);
1995 HeapFree( GetProcessHeap(), 0, name
);
2001 /******************************************************************************
2002 * CreateMailslotW [KERNEL32.@]
2004 * Create a mailslot with specified name.
2007 * lpName [I] Pointer to string for mailslot name
2008 * nMaxMessageSize [I] Maximum message size
2009 * lReadTimeout [I] Milliseconds before read time-out
2010 * sa [I] Pointer to security structure
2013 * Success: Handle to mailslot
2014 * Failure: INVALID_HANDLE_VALUE
2016 HANDLE WINAPI
CreateMailslotW( LPCWSTR lpName
, DWORD nMaxMessageSize
,
2017 DWORD lReadTimeout
, LPSECURITY_ATTRIBUTES sa
)
2019 HANDLE handle
= INVALID_HANDLE_VALUE
;
2020 OBJECT_ATTRIBUTES attr
;
2021 UNICODE_STRING nameW
;
2022 LARGE_INTEGER timeout
;
2023 IO_STATUS_BLOCK iosb
;
2026 TRACE("%s %d %d %p\n", debugstr_w(lpName
),
2027 nMaxMessageSize
, lReadTimeout
, sa
);
2029 if (!RtlDosPathNameToNtPathName_U( lpName
, &nameW
, NULL
, NULL
))
2031 SetLastError( ERROR_PATH_NOT_FOUND
);
2032 return INVALID_HANDLE_VALUE
;
2035 if (nameW
.Length
>= MAX_PATH
* sizeof(WCHAR
) )
2037 SetLastError( ERROR_FILENAME_EXCED_RANGE
);
2038 RtlFreeUnicodeString( &nameW
);
2039 return INVALID_HANDLE_VALUE
;
2042 attr
.Length
= sizeof(attr
);
2043 attr
.RootDirectory
= 0;
2044 attr
.Attributes
= OBJ_CASE_INSENSITIVE
;
2045 attr
.ObjectName
= &nameW
;
2046 attr
.SecurityDescriptor
= sa
? sa
->lpSecurityDescriptor
: NULL
;
2047 attr
.SecurityQualityOfService
= NULL
;
2049 if (lReadTimeout
!= MAILSLOT_WAIT_FOREVER
)
2050 timeout
.QuadPart
= (ULONGLONG
) lReadTimeout
* -10000;
2052 timeout
.QuadPart
= ((LONGLONG
)0x7fffffff << 32) | 0xffffffff;
2054 status
= NtCreateMailslotFile( &handle
, GENERIC_READ
| SYNCHRONIZE
, &attr
,
2055 &iosb
, 0, 0, nMaxMessageSize
, &timeout
);
2058 SetLastError( RtlNtStatusToDosError(status
) );
2059 handle
= INVALID_HANDLE_VALUE
;
2062 RtlFreeUnicodeString( &nameW
);
2067 /******************************************************************************
2068 * GetMailslotInfo [KERNEL32.@]
2070 * Retrieve information about a mailslot.
2073 * hMailslot [I] Mailslot handle
2074 * lpMaxMessageSize [O] Address of maximum message size
2075 * lpNextSize [O] Address of size of next message
2076 * lpMessageCount [O] Address of number of messages
2077 * lpReadTimeout [O] Address of read time-out
2083 BOOL WINAPI
GetMailslotInfo( HANDLE hMailslot
, LPDWORD lpMaxMessageSize
,
2084 LPDWORD lpNextSize
, LPDWORD lpMessageCount
,
2085 LPDWORD lpReadTimeout
)
2087 FILE_MAILSLOT_QUERY_INFORMATION info
;
2088 IO_STATUS_BLOCK iosb
;
2091 TRACE("%p %p %p %p %p\n",hMailslot
, lpMaxMessageSize
,
2092 lpNextSize
, lpMessageCount
, lpReadTimeout
);
2094 status
= NtQueryInformationFile( hMailslot
, &iosb
, &info
, sizeof info
,
2095 FileMailslotQueryInformation
);
2097 if( status
!= STATUS_SUCCESS
)
2099 SetLastError( RtlNtStatusToDosError(status
) );
2103 if( lpMaxMessageSize
)
2104 *lpMaxMessageSize
= info
.MaximumMessageSize
;
2106 *lpNextSize
= info
.NextMessageSize
;
2107 if( lpMessageCount
)
2108 *lpMessageCount
= info
.MessagesAvailable
;
2111 if (info
.ReadTimeout
.QuadPart
== (((LONGLONG
)0x7fffffff << 32) | 0xffffffff))
2112 *lpReadTimeout
= MAILSLOT_WAIT_FOREVER
;
2114 *lpReadTimeout
= info
.ReadTimeout
.QuadPart
/ -10000;
2120 /******************************************************************************
2121 * SetMailslotInfo [KERNEL32.@]
2123 * Set the read timeout of a mailslot.
2126 * hMailslot [I] Mailslot handle
2127 * dwReadTimeout [I] Timeout in milliseconds.
2133 BOOL WINAPI
SetMailslotInfo( HANDLE hMailslot
, DWORD dwReadTimeout
)
2135 FILE_MAILSLOT_SET_INFORMATION info
;
2136 IO_STATUS_BLOCK iosb
;
2139 TRACE("%p %d\n", hMailslot
, dwReadTimeout
);
2141 if (dwReadTimeout
!= MAILSLOT_WAIT_FOREVER
)
2142 info
.ReadTimeout
.QuadPart
= (ULONGLONG
)dwReadTimeout
* -10000;
2144 info
.ReadTimeout
.QuadPart
= ((LONGLONG
)0x7fffffff << 32) | 0xffffffff;
2145 status
= NtSetInformationFile( hMailslot
, &iosb
, &info
, sizeof info
,
2146 FileMailslotSetInformation
);
2147 if( status
!= STATUS_SUCCESS
)
2149 SetLastError( RtlNtStatusToDosError(status
) );
2156 /******************************************************************************
2157 * CreateIoCompletionPort (KERNEL32.@)
2159 HANDLE WINAPI
CreateIoCompletionPort(HANDLE hFileHandle
, HANDLE hExistingCompletionPort
,
2160 ULONG_PTR CompletionKey
, DWORD dwNumberOfConcurrentThreads
)
2165 TRACE("(%p, %p, %08lx, %08x)\n",
2166 hFileHandle
, hExistingCompletionPort
, CompletionKey
, dwNumberOfConcurrentThreads
);
2168 if (hExistingCompletionPort
&& hFileHandle
== INVALID_HANDLE_VALUE
)
2170 SetLastError( ERROR_INVALID_PARAMETER
);
2174 if (hExistingCompletionPort
)
2175 ret
= hExistingCompletionPort
;
2178 status
= NtCreateIoCompletion( &ret
, IO_COMPLETION_ALL_ACCESS
, NULL
, dwNumberOfConcurrentThreads
);
2179 if (status
!= STATUS_SUCCESS
) goto fail
;
2182 if (hFileHandle
!= INVALID_HANDLE_VALUE
)
2184 FILE_COMPLETION_INFORMATION info
;
2185 IO_STATUS_BLOCK iosb
;
2187 info
.CompletionPort
= ret
;
2188 info
.CompletionKey
= CompletionKey
;
2189 status
= NtSetInformationFile( hFileHandle
, &iosb
, &info
, sizeof(info
), FileCompletionInformation
);
2190 if (status
!= STATUS_SUCCESS
) goto fail
;
2196 if (ret
&& !hExistingCompletionPort
)
2198 SetLastError( RtlNtStatusToDosError(status
) );
2202 /******************************************************************************
2203 * GetQueuedCompletionStatus (KERNEL32.@)
2205 BOOL WINAPI
GetQueuedCompletionStatus( HANDLE CompletionPort
, LPDWORD lpNumberOfBytesTransferred
,
2206 PULONG_PTR pCompletionKey
, LPOVERLAPPED
*lpOverlapped
,
2207 DWORD dwMilliseconds
)
2210 IO_STATUS_BLOCK iosb
;
2211 LARGE_INTEGER wait_time
;
2213 TRACE("(%p,%p,%p,%p,%d)\n",
2214 CompletionPort
,lpNumberOfBytesTransferred
,pCompletionKey
,lpOverlapped
,dwMilliseconds
);
2216 *lpOverlapped
= NULL
;
2218 status
= NtRemoveIoCompletion( CompletionPort
, pCompletionKey
, (PULONG_PTR
)lpOverlapped
,
2219 &iosb
, get_nt_timeout( &wait_time
, dwMilliseconds
) );
2220 if (status
== STATUS_SUCCESS
)
2222 *lpNumberOfBytesTransferred
= iosb
.Information
;
2223 if (iosb
.u
.Status
>= 0) return TRUE
;
2224 SetLastError( RtlNtStatusToDosError(iosb
.u
.Status
) );
2228 if (status
== STATUS_TIMEOUT
) SetLastError( WAIT_TIMEOUT
);
2229 else SetLastError( RtlNtStatusToDosError(status
) );
2234 /******************************************************************************
2235 * PostQueuedCompletionStatus (KERNEL32.@)
2237 BOOL WINAPI
PostQueuedCompletionStatus( HANDLE CompletionPort
, DWORD dwNumberOfBytes
,
2238 ULONG_PTR dwCompletionKey
, LPOVERLAPPED lpOverlapped
)
2242 TRACE("%p %d %08lx %p\n", CompletionPort
, dwNumberOfBytes
, dwCompletionKey
, lpOverlapped
);
2244 status
= NtSetIoCompletion( CompletionPort
, dwCompletionKey
, (ULONG_PTR
)lpOverlapped
,
2245 STATUS_SUCCESS
, dwNumberOfBytes
);
2247 if (status
== STATUS_SUCCESS
) return TRUE
;
2248 SetLastError( RtlNtStatusToDosError(status
) );
2252 /******************************************************************************
2253 * BindIoCompletionCallback (KERNEL32.@)
2255 BOOL WINAPI
BindIoCompletionCallback( HANDLE FileHandle
, LPOVERLAPPED_COMPLETION_ROUTINE Function
, ULONG Flags
)
2259 TRACE("(%p, %p, %d)\n", FileHandle
, Function
, Flags
);
2261 status
= RtlSetIoCompletionCallback( FileHandle
, (PRTL_OVERLAPPED_COMPLETION_ROUTINE
)Function
, Flags
);
2262 if (status
== STATUS_SUCCESS
) return TRUE
;
2263 SetLastError( RtlNtStatusToDosError(status
) );
2268 /***********************************************************************
2269 * CreateMemoryResourceNotification (KERNEL32.@)
2271 HANDLE WINAPI
CreateMemoryResourceNotification(MEMORY_RESOURCE_NOTIFICATION_TYPE type
)
2273 static const WCHAR lowmemW
[] =
2274 {'\\','K','e','r','n','e','l','O','b','j','e','c','t','s',
2275 '\\','L','o','w','M','e','m','o','r','y','C','o','n','d','i','t','i','o','n',0};
2276 static const WCHAR highmemW
[] =
2277 {'\\','K','e','r','n','e','l','O','b','j','e','c','t','s',
2278 '\\','H','i','g','h','M','e','m','o','r','y','C','o','n','d','i','t','i','o','n',0};
2280 UNICODE_STRING nameW
;
2281 OBJECT_ATTRIBUTES attr
;
2286 case LowMemoryResourceNotification
:
2287 RtlInitUnicodeString( &nameW
, lowmemW
);
2289 case HighMemoryResourceNotification
:
2290 RtlInitUnicodeString( &nameW
, highmemW
);
2293 SetLastError( ERROR_INVALID_PARAMETER
);
2297 attr
.Length
= sizeof(attr
);
2298 attr
.RootDirectory
= 0;
2299 attr
.ObjectName
= &nameW
;
2300 attr
.Attributes
= 0;
2301 attr
.SecurityDescriptor
= NULL
;
2302 attr
.SecurityQualityOfService
= NULL
;
2303 status
= NtOpenEvent( &ret
, EVENT_ALL_ACCESS
, &attr
);
2304 if (status
!= STATUS_SUCCESS
)
2306 SetLastError( RtlNtStatusToDosError(status
) );
2312 /***********************************************************************
2313 * QueryMemoryResourceNotification (KERNEL32.@)
2315 BOOL WINAPI
QueryMemoryResourceNotification(HANDLE handle
, PBOOL state
)
2317 switch (WaitForSingleObject( handle
, 0 ))
2326 SetLastError( ERROR_INVALID_PARAMETER
);
2330 /***********************************************************************
2331 * InitOnceBeginInitialize (KERNEL32.@)
2333 BOOL WINAPI
InitOnceBeginInitialize( INIT_ONCE
*once
, DWORD flags
, BOOL
*pending
, void **context
)
2335 NTSTATUS status
= RtlRunOnceBeginInitialize( once
, flags
, context
);
2336 if (status
>= 0) *pending
= (status
== STATUS_PENDING
);
2337 else SetLastError( RtlNtStatusToDosError(status
) );
2341 /***********************************************************************
2342 * InitOnceComplete (KERNEL32.@)
2344 BOOL WINAPI
InitOnceComplete( INIT_ONCE
*once
, DWORD flags
, void *context
)
2346 NTSTATUS status
= RtlRunOnceComplete( once
, flags
, context
);
2347 if (status
!= STATUS_SUCCESS
) SetLastError( RtlNtStatusToDosError(status
) );
2351 /***********************************************************************
2352 * InitOnceExecuteOnce (KERNEL32.@)
2354 BOOL WINAPI
InitOnceExecuteOnce( INIT_ONCE
*once
, PINIT_ONCE_FN func
, void *param
, void **context
)
2356 return !RtlRunOnceExecuteOnce( once
, (PRTL_RUN_ONCE_INIT_FN
)func
, param
, context
);
2361 /***********************************************************************
2362 * InterlockedCompareExchange (KERNEL32.@)
2364 /* LONG WINAPI InterlockedCompareExchange( PLONG dest, LONG xchg, LONG compare ); */
2365 __ASM_STDCALL_FUNC(InterlockedCompareExchange
, 12,
2366 "movl 12(%esp),%eax\n\t"
2367 "movl 8(%esp),%ecx\n\t"
2368 "movl 4(%esp),%edx\n\t"
2369 "lock; cmpxchgl %ecx,(%edx)\n\t"
2372 /***********************************************************************
2373 * InterlockedExchange (KERNEL32.@)
2375 /* LONG WINAPI InterlockedExchange( PLONG dest, LONG val ); */
2376 __ASM_STDCALL_FUNC(InterlockedExchange
, 8,
2377 "movl 8(%esp),%eax\n\t"
2378 "movl 4(%esp),%edx\n\t"
2379 "lock; xchgl %eax,(%edx)\n\t"
2382 /***********************************************************************
2383 * InterlockedExchangeAdd (KERNEL32.@)
2385 /* LONG WINAPI InterlockedExchangeAdd( PLONG dest, LONG incr ); */
2386 __ASM_STDCALL_FUNC(InterlockedExchangeAdd
, 8,
2387 "movl 8(%esp),%eax\n\t"
2388 "movl 4(%esp),%edx\n\t"
2389 "lock; xaddl %eax,(%edx)\n\t"
2392 /***********************************************************************
2393 * InterlockedIncrement (KERNEL32.@)
2395 /* LONG WINAPI InterlockedIncrement( PLONG dest ); */
2396 __ASM_STDCALL_FUNC(InterlockedIncrement
, 4,
2397 "movl 4(%esp),%edx\n\t"
2399 "lock; xaddl %eax,(%edx)\n\t"
2403 /***********************************************************************
2404 * InterlockedDecrement (KERNEL32.@)
2406 __ASM_STDCALL_FUNC(InterlockedDecrement
, 4,
2407 "movl 4(%esp),%edx\n\t"
2409 "lock; xaddl %eax,(%edx)\n\t"
2413 #endif /* __i386__ */
2415 /***********************************************************************
2416 * SleepConditionVariableCS (KERNEL32.@)
2418 BOOL WINAPI
SleepConditionVariableCS( CONDITION_VARIABLE
*variable
, CRITICAL_SECTION
*crit
, DWORD timeout
)
2423 status
= RtlSleepConditionVariableCS( variable
, crit
, get_nt_timeout( &time
, timeout
) );
2425 if (status
!= STATUS_SUCCESS
)
2427 SetLastError( RtlNtStatusToDosError(status
) );
2433 /***********************************************************************
2434 * SleepConditionVariableSRW (KERNEL32.@)
2436 BOOL WINAPI
SleepConditionVariableSRW( RTL_CONDITION_VARIABLE
*variable
, RTL_SRWLOCK
*lock
, DWORD timeout
, ULONG flags
)
2441 status
= RtlSleepConditionVariableSRW( variable
, lock
, get_nt_timeout( &time
, timeout
), flags
);
2443 if (status
!= STATUS_SUCCESS
)
2445 SetLastError( RtlNtStatusToDosError(status
) );