source: rtems/cpukit/posix/include/rtems/posix/timer.h @ 0243b0d

4.104.114.84.9
Last change on this file since 0243b0d was 0243b0d, checked in by Joel Sherrill <joel.sherrill@…>, on Jun 8, 2006 at 8:47:48 PM

2006-06-08 Joel Sherrill <joel@…>

  • posix/Makefile.am, posix/preinstall.am, posix/include/rtems/posix/timer.h, posix/src/ptimer.c, posix/src/ptimer1.c, sapi/src/posixapi.c, score/include/rtems/score/object.h:
  • Property mode set to 100644
File size: 2.4 KB
Line 
1/**
2 * @file rtems/posix/timer.h
3 */
4
5/*
6 *  $Id$
7 */
8
9#ifndef _RTEMS_POSIX_TIMER_H
10#define _RTEMS_POSIX_TIMER_H
11
12#include <rtems/posix/config.h>
13/*
14 * Constants
15 */ 
16
17#define STATE_FREE_C        0x01 /* Free position of the table of timers   */
18#define STATE_CREATE_NEW_C  0x02 /* Created timer but not running          */
19#define STATE_CREATE_RUN_C  0x03 /* Created timer and running              */
20#define STATE_CREATE_STOP_C 0x04 /* Created, ran and stopped timer         */
21/* Maximum number of nsec allowed         */
22#define MAX_NSEC_C    (uint32_t  )1000000000
23#define MIN_NSEC_C             0 /* Minimum number of nsec allowew         */
24#define TIMER_RELATIVE_C       0 /* Indicates that the fire time is
25                                  * relative to the current one            */
26#define SEC_TO_TICKS_C _TOD_Ticks_per_second /* Number of ticks in a second*/
27/* Nanoseconds in a second               */
28#define NSEC_PER_SEC_C (uint32_t  )1000000000
29
30#define SECONDS_PER_YEAR_C    (uint32_t  )(360 * 24) * (uint32_t  )(60 * 60)
31#define SECONDS_PER_MONTH_C   (uint32_t  )( 30 * 24) * (uint32_t  )(60 * 60)
32#define SECONDS_PER_DAY_C     (uint32_t  )( 24 * 60) * (uint32_t  )(60)
33#define SECONDS_PER_HOUR_C               (uint32_t  )( 60 * 60 )
34#define SECONDS_PER_MINUTE_C                  (uint32_t  )( 60 )
35
36
37/*
38 * Data for a timer
39 */
40
41typedef struct {
42  Objects_Control   Object;
43  Watchdog_Control  Timer;      /* Internal Timer                        */
44  pthread_t         thread_id;  /* Thread identifier                     */
45  char              state;      /* State of the timer                    */
46  struct sigevent   inf;        /* Information associated to the timer   */
47  struct itimerspec timer_data; /* Timing data of the timer              */
48  uint32_t          ticks;      /* Number of ticks of the initialization */
49  uint32_t          overrun;    /* Number of expirations of the timer    */
50  TOD_Control       time;       /* Time in which the timer was started   */
51} POSIX_Timer_Control;
52
53/*
54 *  _POSIX_Timers_Manager_initialization
55 *
56 *  DESCRIPTION:
57 *
58 *  This routine performs the initialization necessary for this manager.
59 */
60
61void _POSIX_Timer_Manager_initialization ( int max_timers );
62
63/*
64 *  The following defines the information control block used to manage
65 *  this class of objects.
66 */
67
68POSIX_EXTERN Objects_Information  _POSIX_Timer_Information;
69
70#ifndef __RTEMS_APPLICATION__
71#include <rtems/posix/timer.inl>
72#endif
73
74#endif
75/* end of include file */
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