#include "VrThreadPool.h"

VrThreadPool::VrThreadPool()
{
    m_vetThread.clear();
    m_deqRecoveryThread.clear();
}

int VrThreadPool::ExecTask(ThreadExecFunc fExecFunc, void *pParam)
{
    VrThread* pThread = _GetThread();
    if(nullptr == pThread) return false;

    // 线程执行
    return pThread->ExecTask(fExecFunc, pParam, std::bind(&VrThreadPool::_ExecFinish, this, std::placeholders::_1), pThread);
}

VrThread* VrThreadPool::_GetThread()
{
    VrThread* pThread = nullptr;

    // 缓存里面
    std::lock_guard<std::mutex> lck(m_mutexPool);
    if(!m_deqRecoveryThread.empty())
    {
        pThread = m_deqRecoveryThread.front();
        m_deqRecoveryThread.pop_front();
        return pThread;
    }

    // 缓存里面没有就创建新的吧
    pThread = new VrThread(m_vetThread.size());
    pThread->Init();
    m_vetThread.push_back(pThread);
    return pThread;
}

void VrThreadPool::_ExecFinish(void *pObject)
{
    VrThread* pThread = reinterpret_cast<VrThread*>(pObject);
    if(pThread)
    {
        std::lock_guard<std::mutex> lck(m_mutexPool);
        m_deqRecoveryThread.push_front(pThread);
    }
}