68 lines
1.7 KiB
C
68 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, 2009 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
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* Condition variables
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*/
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LumieraCondition
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lumiera_condition_init (LumieraCondition self, const char* purpose, struct nobug_flag* flag)
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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->cndmutex, NULL);
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NOBUG_RESOURCE_HANDLE_INIT (self->rh);
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NOBUG_RESOURCE_ANNOUNCE_RAW (flag, "cond_var", purpose, self, self->rh);
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}
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return self;
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}
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LumieraCondition
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lumiera_condition_destroy (LumieraCondition self, struct nobug_flag* flag)
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{
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if (self)
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{
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NOBUG_RESOURCE_FORGET_RAW (flag, self->rh);
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if (pthread_mutex_destroy (&self->cndmutex))
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LUMIERA_DIE (LOCK_DESTROY);
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if (pthread_cond_destroy (&self->cond))
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LUMIERA_DIE (LOCK_DESTROY);
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}
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return self;
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}
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int lumiera_condition_unlock_cb (void* cond)
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{
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return pthread_mutex_unlock (&((LumieraCondition)cond)->cndmutex);
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}
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