lumiera_/src/lib/mutex.c

71 lines
1.7 KiB
C

/*
mutex.c - mutex
Copyright (C) Lumiera.org
2008, 2009, Christian Thaeter <ct@pipapo.org>
This program 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.
This program 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 more 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "lib/mutex.h"
/**
* @file
* Mutual exclusion locking.
*/
LumieraMutex
lumiera_mutex_init (LumieraMutex self,
const char* purpose,
struct nobug_flag* flag,
const struct nobug_context ctx)
{
if (self)
{
NOBUG_RESOURCE_HANDLE_INIT (self->rh);
NOBUG_RESOURCE_ANNOUNCE_RAW_CTX (flag, "mutex", purpose, self, self->rh, ctx)
{
pthread_mutex_init (&self->mutex, NULL);
}
}
return self;
}
LumieraMutex
lumiera_mutex_destroy (LumieraMutex self,
struct nobug_flag* flag,
const struct nobug_context ctx)
{
if (self)
{
NOBUG_RESOURCE_FORGET_RAW_CTX (flag, self->rh, ctx)
{
if (pthread_mutex_destroy (&self->mutex))
LUMIERA_DIE (LOCK_DESTROY);
}
}
return self;
}
/*
// Local Variables:
// mode: C
// c-file-style: "gnu"
// indent-tabs-mode: nil
// End:
*/