67 lines
1.7 KiB
C
67 lines
1.7 KiB
C
/*
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condition.c - condition variable
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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/condition.h"
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/**
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* @file Condition variables
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*/
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LUMIERA_ERROR_DEFINE (CONDITION_DESTROY, "condition destroy failed");
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/**
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* Initialize a condition variable
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* @param self is a pointer to the condition variable to be initialized
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* @return self as given
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*/
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LumieraCondition
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lumiera_condition_init (LumieraCondition self)
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{
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if (self)
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{
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pthread_cond_init (&self->cond, NULL);
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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 condition variable
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* @param self is a pointer to the condition variable to be destroyed
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* @return self as given
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*/
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LumieraCondition
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lumiera_condition_destroy (LumieraCondition 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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else if (pthread_cond_destroy (&self->cond))
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LUMIERA_DIE (CONDITION_DESTROY);
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}
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return self;
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}
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