spinlock.c File Reference

#include <hal.h>
#include <debug.h>

Include dependency graph for spinlock.c:

Go to the source code of this file.

Macros
#define	NDEBUG

Functions
VOID NTAPI	KeRaiseIrql (KIRQL NewIrql, PKIRQL OldIrql)
VOID NTAPI	KeLowerIrql (KIRQL NewIrql)
VOID NTAPI	KeAcquireSpinLock (PKSPIN_LOCK SpinLock, PKIRQL OldIrql)
KIRQL FASTCALL	KeAcquireSpinLockRaiseToSynch (PKSPIN_LOCK SpinLock)
VOID NTAPI	KeReleaseSpinLock (PKSPIN_LOCK SpinLock, KIRQL NewIrql)
KIRQL FASTCALL	KfAcquireSpinLock (PKSPIN_LOCK SpinLock)
VOID FASTCALL	KfReleaseSpinLock (PKSPIN_LOCK SpinLock, KIRQL OldIrql)
KIRQL FASTCALL	KeAcquireQueuedSpinLock (IN KSPIN_LOCK_QUEUE_NUMBER LockNumber)
KIRQL FASTCALL	KeAcquireQueuedSpinLockRaiseToSynch (IN KSPIN_LOCK_QUEUE_NUMBER LockNumber)
VOID FASTCALL	KeAcquireInStackQueuedSpinLock (IN PKSPIN_LOCK SpinLock, IN PKLOCK_QUEUE_HANDLE LockHandle)
VOID FASTCALL	KeAcquireInStackQueuedSpinLockRaiseToSynch (IN PKSPIN_LOCK SpinLock, IN PKLOCK_QUEUE_HANDLE LockHandle)
VOID FASTCALL	KeReleaseQueuedSpinLock (IN KSPIN_LOCK_QUEUE_NUMBER LockNumber, IN KIRQL OldIrql)
VOID FASTCALL	KeReleaseInStackQueuedSpinLock (IN PKLOCK_QUEUE_HANDLE LockHandle)
BOOLEAN FASTCALL	KeTryToAcquireQueuedSpinLockRaiseToSynch (IN KSPIN_LOCK_QUEUE_NUMBER LockNumber, IN PKIRQL OldIrql)
LOGICAL FASTCALL	KeTryToAcquireQueuedSpinLock (IN KSPIN_LOCK_QUEUE_NUMBER LockNumber, OUT PKIRQL OldIrql)

Macro Definition Documentation

NDEBUG

#define NDEBUG

Definition at line 12 of file spinlock.c.

Function Documentation

KeAcquireInStackQueuedSpinLock()

VOID FASTCALL KeAcquireInStackQueuedSpinLock	(	IN PKSPIN_LOCK	SpinLock,
		IN PKLOCK_QUEUE_HANDLE	LockHandle
	)

Definition at line 130 of file spinlock.c.

{
    /* Simply raise to dispatch */
    LockHandle->OldIrql = KfRaiseIrql(DISPATCH_LEVEL);
}

Referenced by ClassDeviceHwFirmwareActivateProcess(), ClassDeviceHwFirmwareDownloadProcess(), ClassDeviceHwFirmwareGetInfoProcess(), ClasspBlockLimitsDataSnapshot(), ClasspGetHwFirmwareInfo(), ClasspRefreshFunctionSupportInfo(), ExDeleteResourceLite(), ExInitializeResourceLite(), KeAcquireInStackQueuedSpinLockForDpc(), KiAcquireApcLockRaiseToDpc(), KiAcquireDeviceQueueLock(), PortAddDevice(), PortCreatePdo(), and PortDeletePdo().

KeAcquireInStackQueuedSpinLockRaiseToSynch()

VOID FASTCALL KeAcquireInStackQueuedSpinLockRaiseToSynch	(	IN PKSPIN_LOCK	SpinLock,
		IN PKLOCK_QUEUE_HANDLE	LockHandle
	)

Definition at line 142 of file spinlock.c.

{
    /* Simply raise to dispatch */
    LockHandle->OldIrql = KfRaiseIrql(DISPATCH_LEVEL);
}

Referenced by KiAcquireApcLockRaiseToSynch(), and KiAcquireProcessLockRaiseToSynch().

KeAcquireQueuedSpinLock()

KIRQL FASTCALL KeAcquireQueuedSpinLock

(

IN KSPIN_LOCK_QUEUE_NUMBER

LockNumber

)

Definition at line 108 of file spinlock.c.

{
    /* Simply raise to dispatch */
    return KfRaiseIrql(DISPATCH_LEVEL);
}

Referenced by _IRQL_raises_(), CcCanIWrite(), CcDeferWrite(), CcIsThereDirtyData(), CcLazyWriteScan(), CcPerformReadAhead(), CcPostWorkQueue(), CcPurgeCacheSection(), CcRosCreateVacb(), CcRosDeleteFileCache(), CcRosFlushDirtyPages(), CcRosFreeOneUnusedVacb(), CcRosGetVacb(), CcRosInitializeFileCache(), CcRosLookupVacb(), CcRosMarkDirtyVacb(), CcRosReleaseFileCache(), CcRosTraceCacheMap(), CcRosTrimCache(), CcRosUnmarkDirtyVacb(), CcSetAdditionalCacheAttributes(), CcWaitForCurrentLazyWriterActivity(), CcWorkerThread(), ExLockPool(), IoAcquireCancelSpinLock(), IoAcquireVpbSpinLock(), IoEnumerateDeviceObjectList(), IopDecrementDeviceObjectRef(), IopDisassociateThreadIrp(), IopEditDeviceList(), IopGetDevicePDO(), IopGetDriverPathInformation(), IopInterlockedDecrementUlong(), IopInterlockedIncrementUlong(), IopVerifyDeviceObjectOnStack(), MiAllocatePoolPages(), MiFreePoolPages(), MiInitializePoolEvents(), MiReleaseSystemPtes(), MiReserveAlignedSystemPtes(), and PiIrpSendRemoveCheckVpb().

KeAcquireQueuedSpinLockRaiseToSynch()

KIRQL FASTCALL KeAcquireQueuedSpinLockRaiseToSynch

(

IN KSPIN_LOCK_QUEUE_NUMBER

LockNumber

)

Definition at line 119 of file spinlock.c.

{
    /* Simply raise to dispatch */
    return KfRaiseIrql(DISPATCH_LEVEL);
}

KeAcquireSpinLock()

VOID NTAPI KeAcquireSpinLock	(	PKSPIN_LOCK	SpinLock,
		PKIRQL	OldIrql
	)

Definition at line 50 of file spinlock.c.

{
    /* Call the fastcall function */
    *OldIrql = KfAcquireSpinLock(SpinLock);
}

KeAcquireSpinLockRaiseToSynch()

KIRQL FASTCALL KeAcquireSpinLockRaiseToSynch

(

PKSPIN_LOCK

SpinLock

)

Definition at line 62 of file spinlock.c.

{
    /* Simply raise to dispatch */
    return KfRaiseIrql(DISPATCH_LEVEL);
}

Referenced by MiProcessLoaderEntry().

KeLowerIrql()

VOID NTAPI KeLowerIrql

(

KIRQL

NewIrql

)

Definition at line 39 of file spinlock.c.

{
    /* Call the fastcall function */
    KfLowerIrql(NewIrql);
}

KeRaiseIrql()

VOID NTAPI KeRaiseIrql	(	KIRQL	NewIrql,
		PKIRQL	OldIrql
	)

Definition at line 27 of file spinlock.c.

{
    /* Call the fastcall function */
    *OldIrql = KfRaiseIrql(NewIrql);
}

KeReleaseInStackQueuedSpinLock()

VOID FASTCALL KeReleaseInStackQueuedSpinLock

(

IN PKLOCK_QUEUE_HANDLE

LockHandle

)

Definition at line 166 of file spinlock.c.

{
    /* Simply lower IRQL back */
    KfLowerIrql(LockHandle->OldIrql);
}

Referenced by ClassDeviceHwFirmwareActivateProcess(), ClassDeviceHwFirmwareDownloadProcess(), ClassDeviceHwFirmwareGetInfoProcess(), ClasspBlockLimitsDataSnapshot(), ClasspGetHwFirmwareInfo(), ClasspRefreshFunctionSupportInfo(), ExDeleteResourceLite(), ExInitializeResourceLite(), KeReleaseInStackQueuedSpinLockForDpc(), KiReleaseApcLock(), KiReleaseDeviceQueueLock(), KiReleaseProcessLock(), PortAddDevice(), PortCreatePdo(), and PortDeletePdo().

KeReleaseQueuedSpinLock()

VOID FASTCALL KeReleaseQueuedSpinLock	(	IN KSPIN_LOCK_QUEUE_NUMBER	LockNumber,
		IN KIRQL	OldIrql
	)

Definition at line 154 of file spinlock.c.

{
    /* Simply lower IRQL back */
    KfLowerIrql(OldIrql);
}

Referenced by _Requires_lock_held_(), CcCanIWrite(), CcDeferWrite(), CcIsThereDirtyData(), CcLazyWriteScan(), CcPerformReadAhead(), CcPostWorkQueue(), CcPurgeCacheSection(), CcRosCreateVacb(), CcRosDeleteFileCache(), CcRosFlushDirtyPages(), CcRosFreeOneUnusedVacb(), CcRosGetVacb(), CcRosInitializeFileCache(), CcRosLookupVacb(), CcRosMarkDirtyVacb(), CcRosReleaseFileCache(), CcRosTraceCacheMap(), CcRosTrimCache(), CcRosUnmarkDirtyVacb(), CcSetAdditionalCacheAttributes(), CcWaitForCurrentLazyWriterActivity(), CcWorkerThread(), ExUnlockPool(), IoEnumerateDeviceObjectList(), IopDecrementDeviceObjectRef(), IopDisassociateThreadIrp(), IopEditDeviceList(), IopGetDevicePDO(), IopGetDriverPathInformation(), IopInterlockedDecrementUlong(), IopInterlockedIncrementUlong(), IopVerifyDeviceObjectOnStack(), IoReleaseCancelSpinLock(), IoReleaseVpbSpinLock(), MiAllocatePoolPages(), MiFreePoolPages(), MiInitializePoolEvents(), MiReleaseSystemPtes(), MiReserveAlignedSystemPtes(), and PiIrpSendRemoveCheckVpb().

KeReleaseSpinLock()

VOID NTAPI KeReleaseSpinLock	(	PKSPIN_LOCK	SpinLock,
		KIRQL	NewIrql
	)

Definition at line 73 of file spinlock.c.

{
    /* Call the fastcall function */
    KfReleaseSpinLock(SpinLock, NewIrql);
}

KeTryToAcquireQueuedSpinLock()

LOGICAL FASTCALL KeTryToAcquireQueuedSpinLock	(	IN KSPIN_LOCK_QUEUE_NUMBER	LockNumber,
		OUT PKIRQL	OldIrql
	)

Definition at line 192 of file spinlock.c.

{
    /* Simply raise to dispatch */
    KeRaiseIrql(DISPATCH_LEVEL, OldIrql);
 
    /* Always return true on UP Machines */
    return TRUE;
}

Referenced by DEFINE_ACQUIRE().

KeTryToAcquireQueuedSpinLockRaiseToSynch()

BOOLEAN FASTCALL KeTryToAcquireQueuedSpinLockRaiseToSynch	(	IN KSPIN_LOCK_QUEUE_NUMBER	LockNumber,
		IN PKIRQL	OldIrql
	)

Definition at line 177 of file spinlock.c.

{
    /* Simply raise to synch */
    KeRaiseIrql(SYNCH_LEVEL, OldIrql);
 
    /* Always return true on UP Machines */
    return TRUE;
}

Referenced by TryQueuedSynch().

KfAcquireSpinLock()

KIRQL FASTCALL KfAcquireSpinLock

(

PKSPIN_LOCK

SpinLock

)

Definition at line 85 of file spinlock.c.

{
    /* Simply raise to dispatch */
    return KfRaiseIrql(DISPATCH_LEVEL);
}

Referenced by KeAcquireSpinLock().

KfReleaseSpinLock()

VOID FASTCALL KfReleaseSpinLock	(	PKSPIN_LOCK	SpinLock,
		KIRQL	OldIrql
	)

Definition at line 96 of file spinlock.c.

{
    /* Simply lower IRQL back */
    KeLowerIrql(OldIrql);
}

Referenced by KeReleaseSpinLock().