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Spresense SDK Library v3.3.0-375c679
al_singleton.h
1/****************************************************************************
2 * modules/include/audiolite/al_singleton.h
3 *
4 * Copyright 2023 Sony Semiconductor Solutions Corporation
5 *
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34 ****************************************************************************/
35
36#ifndef __INCLUDE_AUDIOLITE_SINGLETON_H
37#define __INCLUDE_AUDIOLITE_SINGLETON_H
38
39/****************************************************************************
40 * Pre-processor Definitions
41 ****************************************************************************/
42
43#define SINGLETON_MEMBER(t) static t *_inst
44#define SINGLETON_INST(t) t *t::_inst = NULL
45#define SINGLETON_METHODS(t) static t *get_instance() \
46 { if (_inst == NULL) {_inst = new t;} return _inst; }; \
47 static void terminate_instance() { \
48 if (_inst) { delete _inst; _inst = NULL; } }
49
50#endif /* __INCLUDE_AUDIOLITE_SINGLETON_H */