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#ifndef __TIME_H__
#define __TIME_H__
#define TIMESPEC2NANOSEC(t) ((t)->tv_sec * 1000000000 + (t)->tv_nsec)
#define TIMESPEC2USEC(t) ((t)->tv_sec * 1000000 + (t)->tv_nsec / 1000)
#define NULL_TIMESPEC(t) ((t)->tv_sec = (t)->tv_nsec = 0)
#define ADDNANO2TIMESPEC(n, t) ((t)->tv_nsec += (n), \
(t)->tv_sec += (t)->tv_nsec / 1000000000, \
(t)->tv_nsec %= 1000000000)
#define SUBTIMESPEC(s1, s2, d) \
((d)->tv_nsec = ((s1)->tv_nsec >= (s2)->tv_nsec) ? \
(((d)->tv_sec = (s1)->tv_sec - (s2)->tv_sec), \
(s1)->tv_nsec - (s2)->tv_nsec) \
: \
(((d)->tv_sec = (s1)->tv_sec - (s2)->tv_sec - 1), \
(1000000000 + (s1)->tv_nsec - (s2)->tv_nsec)))
/*
* ...and these not!
*/
extern __inline__ void ADDTIMESPEC(const struct timespec *s1,
const struct timespec *s2,
struct timespec *d)
{
d->tv_sec = s1->tv_sec + s2->tv_sec;
d->tv_nsec = s1->tv_nsec + s2->tv_nsec;
if (d->tv_nsec < 0) {
d->tv_sec--;
d->tv_nsec += 1000000000;
} else if (d->tv_nsec >= 1000000000) {
d->tv_sec++;
d->tv_nsec -= 1000000000;
}
}
#define ADDUSEC2TIMESPEC(m, t) ((t)->tv_nsec += (m%1000000)*1000, \
(t)->tv_sec += ((t)->tv_nsec / 1000000000) + (m/1000000), \
(t)->tv_nsec %= 1000000000)
#define TIMESPEC_A_LT_B(a,b) \
( \
((a)->tv_sec < (b)->tv_sec) || \
((a)->tv_sec == (b)->tv_sec && (a)->tv_nsec < (b)->tv_nsec) \
)
#define TIMESPEC_A_GT_B(a,b) \
( \
((a)->tv_sec > (b)->tv_sec) || \
((a)->tv_sec == (b)->tv_sec && (a)->tv_nsec > (b)->tv_nsec) \
)
#define TIMESPEC_A_EQ_B(a,b) \
((a)->tv_sec == (b)->tv_sec && (a)->tv_nsec == (b)->tv_nsec)
#define TIMESPEC_A_NEQ_B(a,b) \
((a)->tv_sec != (b)->tv_sec || (a)->tv_nsec != (b)->tv_nsec)
#define TIMESPEC_ASSIGN(t1,t2) \
((t1)->tv_sec = (t2)->tv_sec, (t1)->tv_nsec = (t2)->tv_nsec)
#endif