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BUG#:6207
TITLE: Performance - make OpenPegasus use its more efficent Trace macros

DESCRIPTION:

//%2006////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development
// Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.
// Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.;
// IBM Corp.; EMC Corporation, The Open Group.
// Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.;
// IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.
// Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.;
// EMC Corporation; VERITAS Software Corporation; The Open Group.
// Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.;
// EMC Corporation; Symantec Corporation; The Open Group.
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#include <string.h>    // for memcpy()
#include <Pegasus/Common/Tracer.h>

#include "CIMOMHandleRep.h"

PEGASUS_NAMESPACE_BEGIN

CIMOMHandleRep::CIMOMHandleRep()
    : _providerUnloadProtect(0)
{
}

CIMOMHandleRep::~CIMOMHandleRep()
{
}

void CIMOMHandleRep::disallowProviderUnload()
{
    PEG_METHOD_ENTER(TRC_CIMOM_HANDLE,
        "CIMOMHandleRep::disallowProviderUnload");

    try
    {
        AutoMutex lock(_providerUnloadProtectMutex);
        _providerUnloadProtect++;
    }
    catch (...)
    {
        // There's not much a provider could do with this exception.  Since
        // this is just a hint, our best bet is to just ignore it.
        PEG_TRACE_CSTRING(TRC_CIMOM_HANDLE, Tracer::LEVEL3,
            "Caught unexpected exception");
    }

    PEG_METHOD_EXIT();
}

void CIMOMHandleRep::allowProviderUnload()
{
    PEG_METHOD_ENTER(TRC_CIMOM_HANDLE,
        "CIMOMHandleRep::allowProviderUnload");

    try
    {
        AutoMutex lock(_providerUnloadProtectMutex);
        if (_providerUnloadProtect > 0)
        {
            _providerUnloadProtect--;
        }
    }
    catch (...)
    {
        // There's not much a provider could do with this exception.  Since
        // this is just a hint, our best bet is to just ignore it.
        PEG_TRACE_CSTRING(TRC_CIMOM_HANDLE, Tracer::LEVEL3,
            "Caught unexpected exception");
    }

    PEG_METHOD_EXIT();
}

Boolean CIMOMHandleRep::unload_ok()
{
    Boolean unloadable = true;

    AutoMutex lock(_providerUnloadProtectMutex);
    if (_providerUnloadProtect > 0)
    {
        unloadable = false;
    }

    return unloadable;
}

PEGASUS_NAMESPACE_END