UniqueReadLock.cpp

#include <samchon/library/RWMutex.hpp>
using namespace samchon::library;

/* -----------------------------------------------------------
    CONSTRUCTORS
----------------------------------------------------------- */
UniqueReadLock::UniqueReadLock(const RWMutex &mtx, bool doLock)
{
    if(doLock == true)
        mtx.readLock();

    this->mtx = &mtx;
    this->isLocked = doLock;
}
UniqueReadLock::UniqueReadLock(UniqueReadLock &&obj)
{
    //MOVE
    this->mtx = obj.mtx;
    this->isLocked = obj.isLocked;

    //TRUNCATE
    obj.mtx = nullptr;
    obj.isLocked = nullptr;
}
UniqueReadLock::~UniqueReadLock()
{
    if(isLocked == true)
        mtx->readUnlock();
}

/* -----------------------------------------------------------
    LOCKERS
----------------------------------------------------------- */
void UniqueReadLock::lock() const
{
    if(isLocked == true)
        return;

    bool *flag = (bool*)&isLocked;
    
    mtx->readLock();
    *flag = true;
}
void UniqueReadLock::unlock() const
{
    if(isLocked == false)
        return;

    bool *flag = (bool*)&isLocked;

    mtx->readUnlock();
    *flag = false;
}