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/* -*- C++ -*- */
/****************************************************************************
** Copyright (c) 2001-2014
**
** This file is part of the QuickFIX FIX Engine
**
** This file may be distributed under the terms of the quickfixengine.org
** license as defined by quickfixengine.org and appearing in the file
** LICENSE included in the packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.quickfixengine.org/LICENSE for licensing information.
**
** Contact ask@quickfixengine.org if any conditions of this licensing are
** not clear to you.
**
****************************************************************************/
#ifndef FIX_EVENT_H
#define FIX_EVENT_H
#include "Utility.h"
#include <math.h>
#ifndef _MSC_VER
#include <cmath>
#include <pthread.h>
#endif
namespace FIX {
/// Portable implementation of an event/conditional mutex
class Event {
public:
Event() {
#ifdef _MSC_VER
m_event = CreateEvent(0, false, false, 0);
#else
pthread_mutex_init(&m_mutex, 0);
pthread_cond_init(&m_event, 0);
#endif
}
~Event() {
#ifdef _MSC_VER
CloseHandle(m_event);
#else
pthread_cond_destroy(&m_event);
pthread_mutex_destroy(&m_mutex);
#endif
}
void signal() {
#ifdef _MSC_VER
SetEvent(m_event);
#else
pthread_mutex_lock(&m_mutex);
pthread_cond_broadcast(&m_event);
pthread_mutex_unlock(&m_mutex);
#endif
}
void wait(double s) {
#ifdef _MSC_VER
WaitForSingleObject(m_event, (long)(s * 1000));
#else
pthread_mutex_lock(&m_mutex);
timespec time, remainder;
double intpart;
time.tv_nsec = (long)(modf(s, &intpart) * 1e9);
time.tv_sec = (int)intpart;
pthread_cond_timedwait(&m_event, &m_mutex, &time);
pthread_mutex_unlock(&m_mutex);
#endif
}
private:
#ifdef _MSC_VER
HANDLE m_event;
#else
pthread_cond_t m_event;
pthread_mutex_t m_mutex;
#endif
};
} // namespace FIX
#endif