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/**
* @file
*
* @brief POSIX Timers Internal Support
*
* This include files defines the internal support for implementation of
* POSIX Timers.
*/
/*
* COPYRIGHT (c) 1989-2011.
* 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_TIMER_H
#define _RTEMS_POSIX_TIMER_H
#include <rtems/score/objectdata.h>
#include <rtems/score/watchdog.h>
#include <pthread.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* @defgroup POSIX_INTERNAL_TIMERS POSIX Timer Private Support
*
* @ingroup POSIXAPI
*/
/**@{*/
/*
* Data for a timer
*/
typedef struct {
Objects_Control Object;
Watchdog_Control Timer; /* Internal Timer */
pthread_t thread_id; /* Thread identifier */
char state; /* State of the timer */
struct sigevent inf; /* Information associated to the timer */
struct itimerspec timer_data; /* Timing data of the timer */
uint32_t ticks; /* Number of ticks of the initialization */
uint32_t overrun; /* Number of expirations of the timer */
struct timespec time; /* Time at which the timer was started */
} POSIX_Timer_Control;
/**
* @brief The POSIX Timer objects information.
*/
extern Objects_Information _POSIX_Timer_Information;
/**
* @brief Macro to define the objects information for the POSIX Timer objects.
*
* This macro should only be used by <rtems/confdefs.h>.
*
* @param max The configured object maximum (the OBJECTS_UNLIMITED_OBJECTS flag
* may be set).
*/
#define POSIX_TIMER_INFORMATION_DEFINE( max ) \
OBJECTS_INFORMATION_DEFINE( \
_POSIX_Timer, \
OBJECTS_POSIX_API, \
OBJECTS_POSIX_TIMERS, \
POSIX_Timer_Control, \
max, \
OBJECTS_NO_STRING_NAME, \
NULL \
)
/** @} */
#ifdef __cplusplus
}
#endif
#endif
/* end of include file */
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