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ebusd/utils/notify.h
T
2014-04-14 23:40:45 +02:00

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1.2 KiB
C++

/*
* Copyright (C) Roland Jax 2014 <roland.jax@liwest.at>
*
* This file is part of ebus-daemon.
*
* ebus-daemon 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.
*
* ebus-daemon 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 ebus-daemon. If not, see http://www.gnu.org/licenses/.
*/
#ifndef NOTIFY_H_
#define NOTIFY_H_
#include <unistd.h>
#include <fcntl.h>
class Notify
{
public:
Notify()
{
int pipefd[2];
int ret = pipe(pipefd);
if (ret == 0) {
m_recvfd = pipefd[0];
m_sendfd = pipefd[1];
fcntl(m_sendfd, F_SETFL, O_NONBLOCK);
}
}
virtual ~Notify() { close(m_sendfd); close(m_recvfd); }
int notifyFD() const { return m_recvfd; }
int notify() const { return write(m_sendfd,"1",1); }
private:
int m_recvfd;
int m_sendfd;
};
#endif // NOTIFY_H_