diff options
Diffstat (limited to 'LibOVR/Src/Kernel/OVR_RefCount.cpp')
| -rw-r--r-- | LibOVR/Src/Kernel/OVR_RefCount.cpp | 200 |
1 files changed, 100 insertions, 100 deletions
diff --git a/LibOVR/Src/Kernel/OVR_RefCount.cpp b/LibOVR/Src/Kernel/OVR_RefCount.cpp index a1171fa..aeff7ba 100644 --- a/LibOVR/Src/Kernel/OVR_RefCount.cpp +++ b/LibOVR/Src/Kernel/OVR_RefCount.cpp @@ -1,100 +1,100 @@ -/************************************************************************************
-
-Filename : OVR_RefCount.cpp
-Content : Reference counting implementation
-Created : September 19, 2012
-Notes :
-
-Copyright : Copyright 2012 Oculus VR, Inc. All Rights reserved.
-
-Use of this software is subject to the terms of the Oculus license
-agreement provided at the time of installation or download, or which
-otherwise accompanies this software in either electronic or hard copy form.
-
-************************************************************************************/
-
-#include "OVR_RefCount.h"
-#include "OVR_Atomic.h"
-#include "OVR_Log.h"
-
-namespace OVR {
-
-#ifdef OVR_CC_ARM
-void* ReturnArg0(void* p)
-{
- return p;
-}
-#endif
-
-// ***** Reference Count Base implementation
-
-RefCountImplCore::~RefCountImplCore()
-{
- // RefCount can be either 1 or 0 here.
- // 0 if Release() was properly called.
- // 1 if the object was declared on stack or as an aggregate.
- OVR_ASSERT(RefCount <= 1);
-}
-
-#ifdef OVR_BUILD_DEBUG
-void RefCountImplCore::reportInvalidDelete(void *pmem)
-{
- OVR_DEBUG_LOG(
- ("Invalid delete call on ref-counted object at %p. Please use Release()", pmem));
- OVR_ASSERT(0);
-}
-#endif
-
-RefCountNTSImplCore::~RefCountNTSImplCore()
-{
- // RefCount can be either 1 or 0 here.
- // 0 if Release() was properly called.
- // 1 if the object was declared on stack or as an aggregate.
- OVR_ASSERT(RefCount <= 1);
-}
-
-#ifdef OVR_BUILD_DEBUG
-void RefCountNTSImplCore::reportInvalidDelete(void *pmem)
-{
- OVR_DEBUG_LOG(
- ("Invalid delete call on ref-counted object at %p. Please use Release()", pmem));
- OVR_ASSERT(0);
-}
-#endif
-
-
-// *** Thread-Safe RefCountImpl
-
-void RefCountImpl::AddRef()
-{
- AtomicOps<int>::ExchangeAdd_NoSync(&RefCount, 1);
-}
-void RefCountImpl::Release()
-{
- if ((AtomicOps<int>::ExchangeAdd_NoSync(&RefCount, -1) - 1) == 0)
- delete this;
-}
-
-// *** Thread-Safe RefCountVImpl w/virtual AddRef/Release
-
-void RefCountVImpl::AddRef()
-{
- AtomicOps<int>::ExchangeAdd_NoSync(&RefCount, 1);
-}
-void RefCountVImpl::Release()
-{
- if ((AtomicOps<int>::ExchangeAdd_NoSync(&RefCount, -1) - 1) == 0)
- delete this;
-}
-
-// *** NON-Thread-Safe RefCountImpl
-
-void RefCountNTSImpl::Release() const
-{
- RefCount--;
- if (RefCount == 0)
- delete this;
-}
-
-
-} // OVR
+/************************************************************************************ + +Filename : OVR_RefCount.cpp +Content : Reference counting implementation +Created : September 19, 2012 +Notes : + +Copyright : Copyright 2012 Oculus VR, Inc. All Rights reserved. + +Use of this software is subject to the terms of the Oculus license +agreement provided at the time of installation or download, or which +otherwise accompanies this software in either electronic or hard copy form. + +************************************************************************************/ + +#include "OVR_RefCount.h" +#include "OVR_Atomic.h" +#include "OVR_Log.h" + +namespace OVR { + +#ifdef OVR_CC_ARM +void* ReturnArg0(void* p) +{ + return p; +} +#endif + +// ***** Reference Count Base implementation + +RefCountImplCore::~RefCountImplCore() +{ + // RefCount can be either 1 or 0 here. + // 0 if Release() was properly called. + // 1 if the object was declared on stack or as an aggregate. + OVR_ASSERT(RefCount <= 1); +} + +#ifdef OVR_BUILD_DEBUG +void RefCountImplCore::reportInvalidDelete(void *pmem) +{ + OVR_DEBUG_LOG( + ("Invalid delete call on ref-counted object at %p. Please use Release()", pmem)); + OVR_ASSERT(0); +} +#endif + +RefCountNTSImplCore::~RefCountNTSImplCore() +{ + // RefCount can be either 1 or 0 here. + // 0 if Release() was properly called. + // 1 if the object was declared on stack or as an aggregate. + OVR_ASSERT(RefCount <= 1); +} + +#ifdef OVR_BUILD_DEBUG +void RefCountNTSImplCore::reportInvalidDelete(void *pmem) +{ + OVR_DEBUG_LOG( + ("Invalid delete call on ref-counted object at %p. Please use Release()", pmem)); + OVR_ASSERT(0); +} +#endif + + +// *** Thread-Safe RefCountImpl + +void RefCountImpl::AddRef() +{ + AtomicOps<int>::ExchangeAdd_NoSync(&RefCount, 1); +} +void RefCountImpl::Release() +{ + if ((AtomicOps<int>::ExchangeAdd_NoSync(&RefCount, -1) - 1) == 0) + delete this; +} + +// *** Thread-Safe RefCountVImpl w/virtual AddRef/Release + +void RefCountVImpl::AddRef() +{ + AtomicOps<int>::ExchangeAdd_NoSync(&RefCount, 1); +} +void RefCountVImpl::Release() +{ + if ((AtomicOps<int>::ExchangeAdd_NoSync(&RefCount, -1) - 1) == 0) + delete this; +} + +// *** NON-Thread-Safe RefCountImpl + +void RefCountNTSImpl::Release() const +{ + RefCount--; + if (RefCount == 0) + delete this; +} + + +} // OVR |