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104 lines
1.5 KiB
C
104 lines
1.5 KiB
C
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/*++
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Copyright (c) Microsoft Corporation
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ModuleName:
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MxPagedLock.h
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Abstract:
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Mode agnostic definition of paged lock
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See MxPagedLockKm.h and MxPagedLockUm.h for mode
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specific implementations
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Author:
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Revision History:
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--*/
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#pragma once
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//
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// MxPagedLockNoDynam has no c'tor/d'tor
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// so as to be usable in global structs in km
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//
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// MxPagedLock dervies from it and adds c'tor/d'tor
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//
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class MxPagedLockNoDynam
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{
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DECLARE_DBGFLAG_INITIALIZED;
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protected:
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MdPagedLock m_Lock;
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public:
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_Must_inspect_result_
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__inline
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NTSTATUS
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Initialize(
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);
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__drv_maxIRQL(APC_LEVEL)
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__drv_setsIRQL(APC_LEVEL)
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__drv_savesIRQLGlobal(FastMutexObject, this->m_Lock)
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_Acquires_lock_(this->m_Lock)
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__inline
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VOID
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Acquire(
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);
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__inline
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VOID
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AcquireUnsafe(
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);
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_Must_inspect_result_
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__drv_maxIRQL(APC_LEVEL)
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__drv_savesIRQLGlobal(FastMutexObject, this->m_Lock)
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__drv_valueIs(==1;==0)
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__drv_when(return==1, __drv_setsIRQL(APC_LEVEL))
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_When_(return==1, _Acquires_lock_(this->m_Lock))
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__inline
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BOOLEAN
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TryToAcquire(
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);
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__drv_requiresIRQL(APC_LEVEL)
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__drv_restoresIRQLGlobal(FastMutexObject,this->m_Lock)
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_Releases_lock_(this->m_Lock)
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__inline
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VOID
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Release(
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);
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__inline
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VOID
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ReleaseUnsafe(
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);
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__inline
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VOID
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Uninitialize(
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);
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};
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class MxPagedLock : public MxPagedLockNoDynam
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{
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public:
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__inline
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MxPagedLock();
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__inline
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~MxPagedLock();
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};
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