From fa7925c233e226da9ad3f24c2587e3c0be097e31 Mon Sep 17 00:00:00 2001 From: David Robillard Date: Wed, 4 Oct 2006 21:45:20 +0000 Subject: Moved generic utility stuff to new library "raul". git-svn-id: http://svn.drobilla.net/lad/raul@156 a436a847-0d15-0410-975c-d299462d15a1 --- raul/Condition.h | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 raul/Condition.h (limited to 'raul/Condition.h') diff --git a/raul/Condition.h b/raul/Condition.h new file mode 100644 index 0000000..29eaec8 --- /dev/null +++ b/raul/Condition.h @@ -0,0 +1,42 @@ +/* This file is part of Ingen. 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 RAUL_CONDITION_H +#define RAUL_CONDITION_H + +#include + + +/** Trivial (but pretty) wrapper around POSIX Conditions (zero overhead). + * + * A semaphore that isn't a counter, is slow, and not realtime safe. Yay. + */ +class Condition { +public: + inline Condition() { pthread_cond_init(&_cond, NULL); } + + inline ~Condition() { pthread_cond_destroy(&_cond); } + + inline void signal() { pthread_cond_signal(&_cond); } + inline void wait(Mutex& mutex) { pthread_cond_wait(&_cond, &mutex._mutex); } + +private: + pthread_cond_t _cond; +}; + + +#endif // RAUL_CONDITION_H + -- cgit v1.2.1