/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "log4cxx/helpers/threadlocal.h"
#include "apr_thread_proc.h"
#include "log4cxx/helpers/exception.h"

using namespace log4cxx::helpers;
using namespace log4cxx;

apr_threadkey_t* ThreadLocal::create(Pool& p)
{
	apr_threadkey_t* key = 0;
#if APR_HAS_THREADS
	apr_status_t stat = apr_threadkey_private_create(&key, 0, p.getAPRPool());

	if (stat != APR_SUCCESS)
	{
		throw RuntimeException(stat);
	}

#endif
	return key;
}

ThreadLocal::ThreadLocal() : p(), key(create(p))
{
}

ThreadLocal::~ThreadLocal()
{
}

void ThreadLocal::set(void* priv)
{
#if APR_HAS_THREADS
	apr_status_t stat = apr_threadkey_private_set(priv, key);

	if (stat != APR_SUCCESS)
	{
		throw RuntimeException(stat);
	}

#endif
}

void* ThreadLocal::get()
{
	void* retval = 0;
#if APR_HAS_THREADS
	apr_status_t stat = apr_threadkey_private_get(&retval, key);

	if (stat != APR_SUCCESS)
	{
		throw RuntimeException(stat);
	}

#endif
	return retval;
}