Mercurial > hg > svcore
view base/Serialiser.h @ 1886:f803d3c33f76 tip
Switch off copious debug in soft synth driving
author | Chris Cannam |
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date | Fri, 14 Aug 2020 10:44:44 +0100 (2020-08-14) |
parents | 14c776dad920 |
children |
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ /* Sonic Visualiser An audio file viewer and annotation editor. Centre for Digital Music, Queen Mary, University of London. This file copyright 2007 QMUL. This program 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 2 of the License, or (at your option) any later version. See the file COPYING included with this distribution for more information. */ #ifndef SV_SERIALISER_H #define SV_SERIALISER_H #include <QString> #include <QMutex> #include <map> #include <atomic> class Serialiser { public: /** * Construct a serialiser that takes the lock associated with the * given id. That is, the constructor will only complete after all * existing serialisers with the given id have been deleted. */ Serialiser(QString id); /** * Construct a cancellable serialiser that takes the lock * associated with the given id. That is, the constructor will * only complete when all existing serialisers with the given id * have been deleted, or when the (occasionally polled) bool flag * pointed to by cancelled has been found to be true. */ Serialiser(QString id, const std::atomic<bool> *cancelled); /** * Release the lock associated with the given id (if taken, rather * than cancelled). */ ~Serialiser(); QString getId() const { return m_id; } protected: QString m_id; const std::atomic<bool> *m_cancelled; bool m_locked; static QMutex m_mapMutex; static std::map<QString, QMutex *> m_mutexMap; }; #endif