54 lines
1.3 KiB
C++
54 lines
1.3 KiB
C++
/*
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* Copyright (C) 2003-2014 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program 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 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef MPD_NOTIFY_HXX
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#define MPD_NOTIFY_HXX
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#include "thread/Mutex.hxx"
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#include "thread/Cond.hxx"
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struct notify {
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Mutex mutex;
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Cond cond;
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bool pending;
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#if !defined(WIN32) && !defined(__BIONIC__)
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constexpr
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#endif
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notify():pending(false) {}
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/**
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* Wait for a notification. Return immediately if we have already
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* been notified since we last returned from notify_wait().
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*/
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void Wait();
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/**
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* Notify the thread. This function never blocks.
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*/
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void Signal();
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/**
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* Clears a pending notification.
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*/
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void Clear();
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};
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#endif
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