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bird/sysdep/unix/timer.h
2008-11-05 22:36:49 +01:00

56 lines
1.6 KiB
C

/*
* BIRD -- Unix Timers
*
* (c) 1998 Martin Mares <mj@ucw.cz>
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
#ifndef _BIRD_TIMER_H_
#define _BIRD_TIMER_H_
#include <time.h>
#include "lib/resource.h"
typedef time_t bird_clock_t; /* Use instead of time_t */
typedef struct timer {
resource r;
void (*hook)(struct timer *);
void *data;
unsigned randomize; /* Amount of randomization */
unsigned recurrent; /* Timer recurrence */
node n; /* Internal link */
bird_clock_t expires; /* 0=inactive */
} timer;
timer *tm_new(pool *);
void tm_start(timer *, unsigned after);
void tm_stop(timer *);
void tm_dump_all(void);
extern bird_clock_t now; /* Relative, monotonic time in seconds */
extern bird_clock_t now_real; /* Time in seconds since fixed known epoch */
bird_clock_t tm_parse_date(char *); /* Convert date to bird_clock_t */
bird_clock_t tm_parse_datetime(char *); /* Convert date to bird_clock_t */
void tm_format_date(char *, bird_clock_t); /* Convert bird_clock_t to date */
#define TM_DATE_BUFFER_SIZE 12 /* Buffer size required by tm_format_date */
void tm_format_datetime(char *, bird_clock_t); /* Convert bird_clock_t to date + time */
#define TM_DATETIME_BUFFER_SIZE 64 /* Buffer size required by tm_format_datetime */
void tm_format_reltime(char *, bird_clock_t); /* Convert bird_clock_t to relative datetime string */
#define TM_RELTIME_BUFFER_SIZE 12 /* Buffer size required by tm_format_reltime */
#ifdef TIME_T_IS_64BIT
#define TIME_INFINITY 0x7fffffffffffffff
#else
#ifdef TIME_T_IS_SIGNED
#define TIME_INFINITY 0x7fffffff
#else
#define TIME_INFINITY 0xffffffff
#endif
#endif
#endif