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/*
* Spinlock Manager -- Translate SuperCore Status
*
* COPYRIGHT (c) 1989-2007.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*
* $Id$
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <pthread.h>
#include <errno.h>
#include <rtems/system.h>
#include <rtems/score/corespinlock.h>
/*
* _POSIX_Spinlock_Translate_core_spinlock_return_code
*
* Input parameters:
* the_spinlock_status - spinlock status code to translate
*
* Output parameters:
* status code - translated POSIX status code
*
*/
static int _POSIX_Spinlock_Return_codes[CORE_SPINLOCK_STATUS_LAST + 1] = {
0, /* CORE_SPINLOCK_SUCCESSFUL */
EDEADLK, /* CORE_SPINLOCK_HOLDER_RELOCKING */
EPERM, /* CORE_SPINLOCK_NOT_HOLDER */
-1, /* CORE_SPINLOCK_TIMEOUT */
EBUSY, /* CORE_SPINLOCK_IS_BUSY */
EBUSY, /* CORE_SPINLOCK_UNAVAILABLE */
0 /* CORE_SPINLOCK_NOT_LOCKED */
};
int _POSIX_Spinlock_Translate_core_spinlock_return_code(
CORE_spinlock_Status the_spinlock_status
)
{
/*
* Internal consistency check for bad status from SuperCore
*/
#if defined(RTEMS_DEBUG)
if ( the_spinlock_status > CORE_SPINLOCK_STATUS_LAST )
return EINVAL;
#endif
return _POSIX_Spinlock_Return_codes[the_spinlock_status];
}
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