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| -rw-r--r-- | src/Mutex.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/Mutex.h b/src/Mutex.h new file mode 100644 index 0000000..b5ca355 --- /dev/null +++ b/src/Mutex.h @@ -0,0 +1,41 @@ +/* This file is part of Patchage. Copyright (C) 2006 Dave Robillard. + * + * Ingen 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. + * + * Ingen 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 details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef MUTEX_H +#define MUTEX_H + +#include <pthread.h> + + +/** Trivial (but pretty) wrapper around POSIX Mutexes (zero memory overhead). + */ +class Mutex { +public: + inline Mutex() { pthread_mutex_init(&_mutex, NULL); } + + inline ~Mutex() { pthread_mutex_destroy(&_mutex); } + + inline bool try_lock() { return (pthread_mutex_trylock(&_mutex) == 0); } + inline void lock() { pthread_mutex_lock(&_mutex); } + inline void unlock() { pthread_mutex_unlock(&_mutex); } + +private: + friend class Condition; + pthread_mutex_t _mutex; +}; + + +#endif // MUTEX_H |