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xlxd/ambedtest/csemaphore.cpp
LX3JL 64b9440068 ambedtest version 1.0.0
Added ambedtest (amped test & performance analysis client)
2017-08-09 20:51:32 +02:00

73 lines
2.0 KiB
C++

//
// csemaphore.cpp
// xlxd
//
// Created by Jean-Luc Deltombe (LX3JL) on 16/04/2017.
// Copyright © 2015 Jean-Luc Deltombe (LX3JL). All rights reserved.
//
// ----------------------------------------------------------------------------
// This file is part of xlxd.
//
// xlxd is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// xlxd is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Foobar. If not, see <http://www.gnu.org/licenses/>.
// ----------------------------------------------------------------------------
#include "main.h"
#include "csemaphore.h"
////////////////////////////////////////////////////////////////////////////////////////
// constructor
CSemaphore::CSemaphore()
{
// Initialized as locked.
m_Count = 0;
}
////////////////////////////////////////////////////////////////////////////////////////
// operation
void CSemaphore::Reset(void)
{
std::unique_lock<decltype(m_Mutex)> lock(m_Mutex);
m_Count = 0;
}
void CSemaphore::Notify(void)
{
std::unique_lock<std::mutex> lock(m_Mutex);
m_Count++;
m_Condition.notify_one();
}
void CSemaphore::Wait(void)
{
std::unique_lock<std::mutex> lock(m_Mutex);
m_Condition.wait(lock, [&]{ return m_Count > 0; });
m_Count--;
}
bool CSemaphore::WaitFor(uint ms)
{
std::chrono::milliseconds timespan(ms);
std::unique_lock<decltype(m_Mutex)> lock(m_Mutex);
auto ok = m_Condition.wait_for(lock, timespan, [&]{ return m_Count > 0; });
if ( ok )
{
m_Count--;
}
return ok;
}