//%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.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN
// ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
// "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
// LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
//==============================================================================
//
//%/////////////////////////////////////////////////////////////////////////////

#include "CMPI_Version.h"

#include "CMPI_Object.h"

#if !defined(PEGASUS_OS_TYPE_WINDOWS)
# include <pthread.h>
#endif
#include <limits.h>


PEGASUS_USING_STD;
PEGASUS_NAMESPACE_BEGIN

TSDKeyType CMPI_ThreadContext::contextKey;
Once CMPI_ThreadContext::contextKeyOnce = PEGASUS_ONCE_INITIALIZER;

void CMPI_ThreadContext::context_key_alloc()
{
    TSDKey::create(&contextKey);
}

TSDKeyType CMPI_ThreadContext::getContextKey()
{
    once(&contextKeyOnce, context_key_alloc);
    return contextKey;
}

void CMPI_ThreadContext::add(CMPI_Object *o)
{
    ENQ_TOP_LIST(o,CIMfirst,CIMlast,next,prev);
}

void CMPI_ThreadContext::addObject(CMPI_Object* o) 
{
    CMPI_ThreadContext* ctx=getThreadContext();
    if (ctx)
    {
        ctx->add(o);
    }
}

void CMPI_ThreadContext::remove(CMPI_Object *o)
{
    if( o->next!=reinterpret_cast<CMPI_Object*>((void*)-1l))
    {
        DEQ_FROM_LIST(o,CIMfirst,CIMlast,next,prev);
        o->next=reinterpret_cast<CMPI_Object*>((void*)-1l);
    }
}

void CMPI_ThreadContext::remObject(CMPI_Object* o)
{
    CMPI_ThreadContext* ctx=getThreadContext();
    if (ctx)
    {
        ctx->remove(o);
    }
}

CMPI_ThreadContext* CMPI_ThreadContext::getThreadContext()
{
    TSDKeyType k=getContextKey();
    return(CMPI_ThreadContext*)TSDKey::get_thread_specific(k);
}

const CMPIBroker* CMPI_ThreadContext::getBroker() 
{
    /**
      return getThreadContext()->broker;
   */
    CMPI_ThreadContext *ctx = getThreadContext();
    if( ctx )
    {
        return ctx->broker;
    }
    return 0;
}

const CMPIContext* CMPI_ThreadContext::getContext() 
{
    return getThreadContext()->context;
}

CMPI_ThreadContext::CMPI_ThreadContext(
const CMPIBroker *mb,
const CMPIContext *ctx )
{
    CIMfirst=CIMlast=NULL;
    broker=mb;
    context=ctx;
    TSDKeyType k=getContextKey();
    prev=(CMPI_ThreadContext*)TSDKey::get_thread_specific(k);
    TSDKey::set_thread_specific(k,this);
    return;
}

CMPI_ThreadContext::~CMPI_ThreadContext()
{
    for( CMPI_Object *nxt,*cur=CIMfirst; cur; cur=nxt )
    {
        nxt=cur->next;
        (reinterpret_cast<CMPIInstance*>(cur))->ft->release(
        reinterpret_cast<CMPIInstance*>(cur));
    }

    TSDKeyType k=getContextKey();
    TSDKey::set_thread_specific(k,prev);
}


PEGASUS_NAMESPACE_END