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Diffstat (limited to 'include/rtems/posix/timerimpl.h')
-rw-r--r-- | include/rtems/posix/timerimpl.h | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/include/rtems/posix/timerimpl.h b/include/rtems/posix/timerimpl.h new file mode 100644 index 0000000000..b297d3205a --- /dev/null +++ b/include/rtems/posix/timerimpl.h @@ -0,0 +1,131 @@ +/** + * @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 Initialization + * + * This routine performs the initialization necessary for this manager. + */ +void _POSIX_Timer_Manager_initialization(void); + +/** + * @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. + */ +POSIX_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 */ |