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Diffstat (limited to 'AVStream/avscamera/sys/Mutex.cpp')
| -rw-r--r-- | AVStream/avscamera/sys/Mutex.cpp | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/AVStream/avscamera/sys/Mutex.cpp b/AVStream/avscamera/sys/Mutex.cpp deleted file mode 100644 index 1dd3d88c..00000000 --- a/AVStream/avscamera/sys/Mutex.cpp +++ /dev/null @@ -1,70 +0,0 @@ -/************************************************************************** - - A/V Stream Camera Sample - - Copyright (c) 2013, Microsoft Corporation. - - File: - - Mutex.cpp - - Abstract: - - This file provides the implementation of KMutex and KScopedMutex. - - KMutex provides a wrapper around a KMUTEX object. KScopedMutex is - provided as a helper class to ensure all exits release the lock. - - History: - - created 7/16/2013 - -**************************************************************************/ - -#include "Common.h" - -// -// Dummy dtor. Required because the dtor is virtual. -// -KMutex::~KMutex() -{} - -// -// Preferred lock method. -// -_IRQL_requires_min_(PASSIVE_LEVEL) -_When_((Timeout==NULL || Timeout->QuadPart!=0), _IRQL_requires_max_(APC_LEVEL)) -_When_((Timeout!=NULL &&Timeout->QuadPart==0), _IRQL_requires_max_(DISPATCH_LEVEL)) -NTSTATUS -KMutex::Lock( - _In_opt_ PLARGE_INTEGER Timeout -) -{ - //DBG_ENTER(": Thread Owner = %p", m_Lock.OwnerThread); - - NTSTATUS status = - KeWaitForSingleObject( - &m_Lock, - Executive, - KernelMode, - FALSE, - Timeout ); - - //DBG_LEAVE(": Status = %d Thread Owner = %p", status, m_Lock.OwnerThread); - - return status; -} - -// -// Preferred unlock method. -// -_IRQL_requires_max_(DISPATCH_LEVEL) -void -KMutex::Unlock() -{ - //DBG_ENTER(": Thread Owner = %p", m_Lock.OwnerThread); - - KeReleaseMutex( &m_Lock, FALSE ); - - //DBG_LEAVE(": Thread Owner = %p", m_Lock.OwnerThread); -} |
