From fc230cd4e34eeaf49c7a3ea88beccf3ea337f103 Mon Sep 17 00:00:00 2001 From: Zebediah Figura Date: Tue, 27 Nov 2018 19:43:07 -0600 Subject: [PATCH] ntoskrnl.exe: Implement KeCancelTimer(). Signed-off-by: Zebediah Figura Signed-off-by: Alexandre Julliard --- dlls/ntoskrnl.exe/ntoskrnl.exe.spec | 2 +- dlls/ntoskrnl.exe/sync.c | 16 ++++++++++++++++ include/ddk/wdm.h | 1 + 3 files changed, 18 insertions(+), 1 deletion(-) diff --git a/dlls/ntoskrnl.exe/ntoskrnl.exe.spec b/dlls/ntoskrnl.exe/ntoskrnl.exe.spec index f56bde130d1..a30459a0397 100644 --- a/dlls/ntoskrnl.exe/ntoskrnl.exe.spec +++ b/dlls/ntoskrnl.exe/ntoskrnl.exe.spec @@ -517,7 +517,7 @@ @ stub KeAttachProcess @ stub KeBugCheck @ stub KeBugCheckEx -@ stub KeCancelTimer +@ stdcall KeCancelTimer(ptr) @ stub KeCapturePersistentThreadState @ stdcall KeClearEvent(ptr) @ stub KeConnectInterrupt diff --git a/dlls/ntoskrnl.exe/sync.c b/dlls/ntoskrnl.exe/sync.c index 06db1dec630..1cd0e5253a6 100644 --- a/dlls/ntoskrnl.exe/sync.c +++ b/dlls/ntoskrnl.exe/sync.c @@ -348,3 +348,19 @@ BOOLEAN WINAPI KeSetTimerEx( KTIMER *timer, LARGE_INTEGER duetime, LONG period, return ret; } + +BOOLEAN WINAPI KeCancelTimer( KTIMER *timer ) +{ + BOOL ret; + + TRACE("timer %p.\n", timer); + + EnterCriticalSection( &sync_cs ); + ret = timer->Header.Inserted; + timer->Header.Inserted = FALSE; + CloseHandle(timer->Header.WaitListHead.Blink); + timer->Header.WaitListHead.Blink = NULL; + LeaveCriticalSection( &sync_cs ); + + return ret; +} diff --git a/include/ddk/wdm.h b/include/ddk/wdm.h index 8472b09d49f..56e1d84c3ec 100644 --- a/include/ddk/wdm.h +++ b/include/ddk/wdm.h @@ -1419,6 +1419,7 @@ void WINAPI IoReleaseCancelSpinLock(KIRQL); NTSTATUS WINAPI IoSetDeviceInterfaceState(UNICODE_STRING*,BOOLEAN); NTSTATUS WINAPI IoWMIRegistrationControl(PDEVICE_OBJECT,ULONG); +BOOLEAN WINAPI KeCancelTimer(KTIMER*); void WINAPI KeClearEvent(PRKEVENT); PKTHREAD WINAPI KeGetCurrentThread(void); void WINAPI KeInitializeEvent(PRKEVENT,EVENT_TYPE,BOOLEAN);