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/*
* 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);
static inline timer *
tm_new_set(pool *p, void (*hook)(struct timer *), void *data, unsigned rand, unsigned rec)
{
timer *t = tm_new(p);
t->hook = hook;
t->data = data;
t->randomize = rand;
t->recurrent = rec;
return t;
}
extern bird_clock_t now; /* Relative, monotonic time in seconds */
extern bird_clock_t now_real; /* Time in seconds since fixed known epoch */
struct timeformat {
char *fmt1, *fmt2;
bird_clock_t limit;
};
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 */
#define TM_DATETIME_BUFFER_SIZE 32 /* Buffer size required by tm_format_datetime */
void
tm_format_datetime(char *x, struct timeformat *fmt_spec, bird_clock_t t);
#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
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