/**
 * Copyright (C) 2013 kangliqiang ,kangliq@163.com
 *
 * Licensed 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 "ThreadLocal.h"

#include <errno.h>

#include "Exception.h"

namespace kpr
{
ThreadLocal::ThreadLocal()
    : m_Key(0)
{
    int retcode = 0;

    retcode = pthread_key_create(&m_Key, 0);
    if (retcode != 0)
    {
        THROW_EXCEPTION(SystemCallException, "pthread_key_create error", errno);
    }
}

ThreadLocal::~ThreadLocal()
{
    pthread_key_delete(m_Key);
}

void* ThreadLocal::GetValue()
{
    void* v;
    v = pthread_getspecific(m_Key);
    return v;
}

void ThreadLocal::SetValue(void* value)
{
    int retcode = pthread_setspecific(m_Key, value);
    if (retcode != 0)
    {
        THROW_EXCEPTION(SystemCallException, "pthread_setspecific error", errno);
    }
}
}