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/*
(c) Copyright 2001-2008 The world wide DirectFB Open Source Community (directfb.org)
(c) Copyright 2000-2004 Convergence (integrated media) GmbH
All rights reserved.
Written by Denis Oliver Kropp <dok@directfb.org>,
Andreas Hundt <andi@fischlustig.de>,
Sven Neumann <neo@directfb.org>,
Ville Syrjälä <syrjala@sci.fi> and
Claudio Ciccani <klan@users.sf.net>.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#ifndef __DIRECT__OS__LINUX__GLIBC__MUTEX_H__
#define __DIRECT__OS__LINUX__GLIBC__MUTEX_H__
#include <pthread.h>
#include <direct/util.h>
#define _ZU "%zu"
#define _ZD "%zd"
/**********************************************************************************************************************/
typedef struct {
pthread_mutex_t lock;
} DirectMutex;
/**********************************************************************************************************************/
#define DIRECT_MUTEX_INITIALIZER(name) { PTHREAD_MUTEX_INITIALIZER }
#define DIRECT_RECURSIVE_MUTEX_INITIALIZER(name) { PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP }
DirectResult direct_mutex_init ( DirectMutex *mutex );
DirectResult direct_recursive_mutex_init ( DirectMutex *mutex );
DirectResult direct_mutex_lock ( DirectMutex *mutex );
DirectResult direct_mutex_unlock ( DirectMutex *mutex );
DirectResult direct_mutex_trylock ( DirectMutex *mutex );
DirectResult direct_mutex_deinit ( DirectMutex *mutex );
/**********************************************************************************************************************/
/**********************************************************************************************************************/
typedef struct {
pthread_key_t key;
} DirectTLS;
/**********************************************************************************************************************/
#define DIRECT_TLS_DATA( name ) \
static DirectTLS name = { (pthread_key_t) -1 }
/**********************************************************************************************************************/
__attribute__((no_instrument_function))
static inline void *direct_tls_get__( DirectTLS *tls );
__attribute__((no_instrument_function))
static inline DirectResult direct_tls_set__( DirectTLS *tls,
void *value );
__attribute__((no_instrument_function))
static inline DirectResult direct_tls_register( DirectTLS *tls,
void (*destructor)( void* ) );
__attribute__((no_instrument_function))
static inline DirectResult direct_tls_unregister( DirectTLS *tls );
/**********************************************************************************************************************/
#define direct_tls_get( name ) direct_tls_get__( &name )
#define direct_tls_set( name, v ) direct_tls_set__( &name, v )
/**********************************************************************************************************************/
static inline void *
direct_tls_get__( DirectTLS *tls )
{
void *value;
value = pthread_getspecific( tls->key );
return value;
}
static inline DirectResult
direct_tls_set__( DirectTLS *tls,
void *value )
{
if (pthread_setspecific( tls->key, value ))
return errno2result( errno );
return DR_OK;
}
static inline DirectResult
direct_tls_register( DirectTLS *tls, void (*destructor)( void* ) )
{
if (pthread_key_create( &tls->key, destructor ))
return errno2result( errno );
return DR_OK;
}
static inline DirectResult
direct_tls_unregister( DirectTLS *tls )
{
if (pthread_key_delete( tls->key ))
return errno2result( errno );
tls->key = (pthread_key_t) -1;
return DR_OK;
}
#endif
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