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/* rtems/posix/mutex.inl
*
* This include file contains the static inline implementation of the private
* inlined routines for POSIX mutex's.
*
* COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
* On-Line Applications Research Corporation (OAR).
* All rights assigned to U.S. Government, 1994.
*
* This material may be reproduced by or for the U.S. Government pursuant
* to the copyright license under the clause at DFARS 252.227-7013. This
* notice must appear in all copies of this file and its derivatives.
*
* $Id$
*/
#ifndef __RTEMS_POSIX_MUTEX_inl
#define __RTEMS_POSIX_MUTEX_inl
/*PAGE
*
* _POSIX_Mutex_Allocate
*/
STATIC INLINE POSIX_Mutex_Control *_POSIX_Mutex_Allocate( void )
{
return (POSIX_Mutex_Control *) _Objects_Allocate( &_POSIX_Mutex_Information );
}
/*PAGE
*
* _POSIX_Mutex_Free
*/
STATIC INLINE void _POSIX_Mutex_Free (
POSIX_Mutex_Control *the_mutex
)
{
_Objects_Free( &_POSIX_Mutex_Information, &the_mutex->Object );
}
/*PAGE
*
* _POSIX_Mutex_Get
*/
STATIC INLINE POSIX_Mutex_Control *_POSIX_Mutex_Get (
Objects_Id *id,
Objects_Locations *location
)
{
int status;
if ( *id == PTHREAD_MUTEX_INITIALIZER ) {
/*
* Do an "auto-create" here.
*/
status = pthread_mutex_init( id, 0 );
if ( status ) {
*location = OBJECTS_ERROR;
return (POSIX_Mutex_Control *) 0;
}
}
/*
* Now call Objects_Get()
*/
return (POSIX_Mutex_Control *)
_Objects_Get( &_POSIX_Mutex_Information, *id, location );
}
/*PAGE
*
* _POSIX_Mutex_Is_null
*/
STATIC INLINE boolean _POSIX_Mutex_Is_null (
POSIX_Mutex_Control *the_mutex
)
{
return !the_mutex;
}
#endif
/* end of include file */
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