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/**
* @file rtems/posix/priority.inl
*/
/*
* 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.
*
* $Id$
*/
#ifndef _RTEMS_POSIX_PRIORITY_H
# error "Never use <rtems/posix/priority.inl> directly; include <rtems/posix/priority.h> instead."
#endif
#ifndef _RTEMS_POSIX_PRIORITY_INL
#define _RTEMS_POSIX_PRIORITY_INL
/*
* 1003.1b-1993,2.2.2.80 definition of priority, p. 19
*
* "Numerically higher values represent higher priorities."
*
* Thus, RTEMS Core has priorities run in the opposite sense of the POSIX API.
*/
RTEMS_INLINE_ROUTINE bool _POSIX_Priority_Is_valid(
int priority
)
{
return ((priority >= POSIX_SCHEDULER_MINIMUM_PRIORITY) &&
(priority <= POSIX_SCHEDULER_MAXIMUM_PRIORITY));
}
RTEMS_INLINE_ROUTINE Priority_Control _POSIX_Priority_To_core(
int priority
)
{
return (Priority_Control) (POSIX_SCHEDULER_MAXIMUM_PRIORITY - priority + 1);
}
RTEMS_INLINE_ROUTINE int _POSIX_Priority_From_core(
Priority_Control priority
)
{
return (POSIX_SCHEDULER_MAXIMUM_PRIORITY - priority + 1);
}
#endif
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