64 lines
1.6 KiB
C
64 lines
1.6 KiB
C
/*
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mutex.c - mutex
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Copyright (C) Lumiera.org
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2008, Christian Thaeter <ct@pipapo.org>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "lib/mutex.h"
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/**
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* @file
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* Mutual exclusion locking.
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*/
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LUMIERA_ERROR_DEFINE (MUTEX_LOCK, "Mutex locking failed");
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LUMIERA_ERROR_DEFINE (MUTEX_UNLOCK, "Mutex unlocking failed");
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LUMIERA_ERROR_DEFINE (MUTEX_DESTROY, "Mutex destroy failed");
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/**
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* Initialize a mutex variable
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* @param self is a pointer to the mutex to be initialized
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* @return self as given
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*/
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LumieraMutex
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lumiera_mutex_init (LumieraMutex self)
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{
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if (self)
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{
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pthread_mutex_init (&self->mutex, NULL);
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}
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return self;
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}
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/**
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* Destroy a mutex variable
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* @param self is a pointer to the mutex to be destroyed
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* @return self as given
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*/
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LumieraMutex
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lumiera_mutex_destroy (LumieraMutex self)
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{
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if (self)
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{
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if (pthread_mutex_destroy (&self->mutex))
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LUMIERA_DIE (MUTEX_DESTROY);
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}
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return self;
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}
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