mxlockkm.h

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/*++
 
Copyright (c) Microsoft Corporation
 
ModuleName:
 
    MxLockKm.h
 
Abstract:
 
    Kernel mode implementation of lock
    class defined in MxLock.h
 
Author:
 
 
 
Revision History:
 
 
 
--*/
 
#pragma once
 
#include "dbgmacros.h"
 
typedef KSPIN_LOCK MdLock;
 
#include "mxlock.h"
 
__inline
MxLock::MxLock(
    )
{
    CLEAR_DBGFLAG_INITIALIZED;
 
    MxLock::Initialize();
}
 
__inline
VOID
MxLockNoDynam::Initialize(
    )
{
    KeInitializeSpinLock(&m_Lock);
 
    SET_DBGFLAG_INITIALIZED;
}
 
_Acquires_lock_(this->m_Lock)
__drv_maxIRQL(DISPATCH_LEVEL)
__drv_setsIRQL(DISPATCH_LEVEL)
__inline
VOID
MxLockNoDynam::Acquire(
    __out __drv_deref(__drv_savesIRQL) KIRQL * OldIrql
    )
{
    ASSERT_DBGFLAG_INITIALIZED;
 
    KeAcquireSpinLock(&m_Lock, OldIrql);
}
 
_Acquires_lock_(this->m_Lock)
__drv_requiresIRQL(DISPATCH_LEVEL)
__inline
VOID
MxLockNoDynam::AcquireAtDpcLevel(
    )
{
    ASSERT_DBGFLAG_INITIALIZED;
 
    KeAcquireSpinLockAtDpcLevel(&m_Lock);
}
 
_Releases_lock_(this->m_Lock)
__drv_requiresIRQL(DISPATCH_LEVEL)
__inline
VOID
MxLockNoDynam::Release(
    __drv_restoresIRQL KIRQL NewIrql
    )
{
    ASSERT_DBGFLAG_INITIALIZED;
 
    KeReleaseSpinLock(&m_Lock, NewIrql);
}
 
_Releases_lock_(this->m_Lock)
__drv_requiresIRQL(DISPATCH_LEVEL)
__inline
VOID
MxLockNoDynam::ReleaseFromDpcLevel(
    )
{
    ASSERT_DBGFLAG_INITIALIZED;
 
    KeReleaseSpinLockFromDpcLevel(&m_Lock);
}
 
__inline
VOID
MxLockNoDynam::Uninitialize(
    )
{
    CLEAR_DBGFLAG_INITIALIZED;
}
 
__inline
MxLock::~MxLock(
    )
{
    CLEAR_DBGFLAG_INITIALIZED;
}