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/**
* @file
*
* @brief Initialization and Allocation for API Mutex Handler
*
* @ingroup ScoreAPIMutex
*/
/*
* 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.org/license/LICENSE.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/score/apimutex.h>
#include <rtems/score/coremuteximpl.h>
#include <rtems/score/objectimpl.h>
static Objects_Information _API_Mutex_Information;
void _API_Mutex_Initialization(
uint32_t maximum_mutexes
)
{
_Objects_Initialize_information(
&_API_Mutex_Information, /* object information table */
OBJECTS_INTERNAL_API, /* object API */
OBJECTS_INTERNAL_MUTEXES, /* object class */
maximum_mutexes, /* maximum objects of this class */
sizeof( API_Mutex_Control ), /* size of this object's control block */
false, /* true if the name is a string */
0, /* maximum length of an object name */
NULL /* Proxy extraction support callout */
);
}
void _API_Mutex_Allocate(
API_Mutex_Control **the_mutex
)
{
API_Mutex_Control *mutex;
CORE_mutex_Attributes attr = {
CORE_MUTEX_NESTING_ACQUIRES,
CORE_MUTEX_DISCIPLINES_PRIORITY_INHERIT,
0
};
mutex = (API_Mutex_Control *)
_Objects_Allocate_unprotected( &_API_Mutex_Information );
_Assert( mutex != NULL );
_CORE_mutex_Initialize( &mutex->Mutex, NULL, &attr, false );
_Objects_Open_u32( &_API_Mutex_Information, &mutex->Object, 1 );
*the_mutex = mutex;
}
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