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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
//
//
#ifndef _HANDLETABLE_INL
#define _HANDLETABLE_INL
inline void HndAssignHandle(OBJECTHANDLE handle, OBJECTREF objref)
{
CONTRACTL
{
NOTHROW;
GC_NOTRIGGER;
SO_TOLERANT;
MODE_COOPERATIVE;
}
CONTRACTL_END;
// sanity
_ASSERTE(handle);
// unwrap the objectref we were given
_UNCHECKED_OBJECTREF value = OBJECTREF_TO_UNCHECKED_OBJECTREF(objref);
HndLogSetEvent(handle, value);
// if we are doing a non-NULL pointer store then invoke the write-barrier
if (value)
HndWriteBarrier(handle, objref);
// store the pointer
*(_UNCHECKED_OBJECTREF *)handle = value;
}
inline void* HndInterlockedCompareExchangeHandle(OBJECTHANDLE handle, OBJECTREF objref, OBJECTREF oldObjref)
{
WRAPPER_NO_CONTRACT;
// sanity
_ASSERTE(handle);
// unwrap the objectref we were given
_UNCHECKED_OBJECTREF value = OBJECTREF_TO_UNCHECKED_OBJECTREF(objref);
_UNCHECKED_OBJECTREF oldValue = OBJECTREF_TO_UNCHECKED_OBJECTREF(oldObjref);
// if we are doing a non-NULL pointer store then invoke the write-barrier
if (value)
HndWriteBarrier(handle, objref);
// store the pointer
void* ret = Interlocked::CompareExchangePointer(reinterpret_cast<_UNCHECKED_OBJECTREF volatile*>(handle), value, oldValue);
if (ret == oldValue)
HndLogSetEvent(handle, value);
return ret;
}
inline BOOL HndFirstAssignHandle(OBJECTHANDLE handle, OBJECTREF objref)
{
CONTRACTL
{
NOTHROW;
GC_NOTRIGGER;
SO_TOLERANT;
MODE_COOPERATIVE;
}
CONTRACTL_END;
// sanity
_ASSERTE(handle);
// unwrap the objectref we were given
_UNCHECKED_OBJECTREF value = OBJECTREF_TO_UNCHECKED_OBJECTREF(objref);
_UNCHECKED_OBJECTREF null = NULL;
// store the pointer if we are the first ones here
BOOL success = (NULL == Interlocked::CompareExchangePointer(reinterpret_cast<_UNCHECKED_OBJECTREF volatile*>(handle),
value,
null));
// if we successfully did a non-NULL pointer store then invoke the write-barrier
if (success)
{
if (value)
HndWriteBarrier(handle, objref);
HndLogSetEvent(handle, value);
}
// return our result
return success;
}
#endif // _HANDLETABLE_INL
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