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/**
* @file
*
* @brief Inlined Routines from the POSIX Timer Manager
*
* This file contains the static inline implementation of the inlined routines
* from the POSIX Timer Manager.
*/
/*
* COPYRIGHT (c) 1989-2013.
* 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.
*/
#ifndef _RTEMS_POSIX_TIMERIMPL_H
#define _RTEMS_POSIX_TIMERIMPL_H
#include <rtems/posix/timer.h>
#include <rtems/score/objectimpl.h>
#ifdef __cplusplus
extern "C" {
#endif
/** Timer is free */
#define POSIX_TIMER_STATE_FREE 0x01
/** Created timer but not running */
#define POSIX_TIMER_STATE_CREATE_NEW 0x02
/** Created timer and running */
#define POSIX_TIMER_STATE_CREATE_RUN 0x03
/** Created, ran and stopped timer */
#define POSIX_TIMER_STATE_CREATE_STOP 0x04
/** Indicates that the fire time is relative to the current one */
#define POSIX_TIMER_RELATIVE 0
/*
* POSIX defines TIMER_ABSTIME but no constant for relative. So
* we have one internally but we need to be careful it has a different
* value.
*/
#if (POSIX_TIMER_RELATIVE == TIMER_ABSTIME)
#error "POSIX_TIMER_RELATIVE == TIMER_ABSTIME"
#endif
/**
* @brief POSIX Timer Manager Timer Service Routine Helper
*
* This is the operation that is run when a timer expires.
*/
void _POSIX_Timer_TSR(Objects_Id timer, void *data);
/**
* @brief POSIX Timer Watchdog Insertion Helper
*/
bool _POSIX_Timer_Insert_helper(
Watchdog_Control *timer,
Watchdog_Interval ticks,
Objects_Id id,
Watchdog_Service_routine_entry TSR,
void *arg
);
/**
* The following defines the information control block used to manage
* this class of objects.
*/
extern Objects_Information _POSIX_Timer_Information;
/**
* @brief POSIX Timer Allocate
*
* This function allocates a timer control block from
* the inactive chain of free timer control blocks.
*/
RTEMS_INLINE_ROUTINE POSIX_Timer_Control *_POSIX_Timer_Allocate( void )
{
return (POSIX_Timer_Control *) _Objects_Allocate( &_POSIX_Timer_Information );
}
/**
* @brief POSIX Timer Free
*
* This routine frees a timer control block to the
* inactive chain of free timer control blocks.
*/
RTEMS_INLINE_ROUTINE void _POSIX_Timer_Free (
POSIX_Timer_Control *the_timer
)
{
_Objects_Free( &_POSIX_Timer_Information, &the_timer->Object );
}
/**
* @brief POSIX Timer Get
*
* This function maps timer IDs to timer control blocks.
* If ID corresponds to a local timer, then it returns
* the timer control pointer which maps to ID and location
* is set to OBJECTS_LOCAL. Otherwise, location is set
* to OBJECTS_ERROR and the returned value is undefined.
*/
RTEMS_INLINE_ROUTINE POSIX_Timer_Control *_POSIX_Timer_Get (
timer_t id,
Objects_Locations *location
)
{
return (POSIX_Timer_Control *)
_Objects_Get( &_POSIX_Timer_Information, (Objects_Id) id, location );
}
#ifdef __cplusplus
}
#endif
#endif
/* end of include file */
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