66 lines
1.2 KiB
C++
66 lines
1.2 KiB
C++
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/////////////////////////////////////////////////////////////////////
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// Created by [Dennis Andersen] [2013]
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/////////////////////////////////////////////////////////////////////
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#include "OysterMutex.h"
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#include <chrono>
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#include <thread>
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#include <future>
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OysterMutex::OysterMutex()
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{}
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OysterMutex::OysterMutex(bool initialOwnership)
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{
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if(initialOwnership)
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{
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this->mutex.lock();
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this->id = std::this_thread::get_id();
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}
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}
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OysterMutex::~OysterMutex()
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{
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}
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void OysterMutex::LockMutex()
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{
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if(std::this_thread::get_id() == this->id) return;
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this->mutex.lock();
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this->id = std::this_thread::get_id();
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}
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void OysterMutex::LockMutex(unsigned int msec)
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{
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if(std::this_thread::get_id() == this->id) return;
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auto start = std::chrono::high_resolution_clock::now();
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auto end = start + std::chrono::milliseconds(msec);
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do
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{
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if(this->mutex.try_lock())
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{
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this->mutex.lock();
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this->id = std::this_thread::get_id();
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return;
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}
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} while (std::chrono::high_resolution_clock::now() < end);
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this->mutex.lock();
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}
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void OysterMutex::UnlockMutex()
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{
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//Let the owner unlock
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if(std::this_thread::get_id() != this->id) return;
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this->mutex.unlock();
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this->id = std::thread::id();
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}
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bool OysterMutex::IsTaken()
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{
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return !this->mutex.try_lock();
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}
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