67 lines
1.4 KiB
C++
67 lines
1.4 KiB
C++
/*
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* Copyright (C) Roland Jax 2012-2014 <ebusd@liwest.at>
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*
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* This file is part of ebusd.
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*
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* ebusd is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* ebusd is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with ebusd. If not, see http://www.gnu.org/licenses/.
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*/
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#ifndef LIBUTILS_NOTIFY_H_
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#define LIBUTILS_NOTIFY_H_
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#include <unistd.h>
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#include <fcntl.h>
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/**
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* @brief class to notify other thread per pipe.
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*/
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class Notify
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{
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public:
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/**
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* @brief constructs a new instance and do notifying.
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*/
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Notify();
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/**
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* @brief destructor.
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*/
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~Notify();
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/**
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* @brief file descriptor to watch for notify event.
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* @return the notification value.
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*/
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int notifyFD() { return m_recvfd; }
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/**
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* @brief write notify event to file descriptor.
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* @return result of writing notification.
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*/
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int notify() const { return write(m_sendfd,"1",1); }
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private:
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/** file descriptor to watch */
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int m_recvfd;
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/** file descriptor to notify */
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int m_sendfd;
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};
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#endif // LIBUTILS_NOTIFY_H_
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