You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
36 lines
843 B
36 lines
843 B
#include <stdint.h>
|
|
#include <time.h>
|
|
|
|
#include "util/time.h"
|
|
|
|
static const long NSEC_PER_SEC = 1000000000;
|
|
|
|
int64_t timespec_to_msec(const struct timespec *a) {
|
|
return (int64_t)a->tv_sec * 1000 + a->tv_nsec / 1000000;
|
|
}
|
|
|
|
int64_t timespec_to_nsec(const struct timespec *a) {
|
|
return (int64_t)a->tv_sec * NSEC_PER_SEC + a->tv_nsec;
|
|
}
|
|
|
|
void timespec_from_nsec(struct timespec *r, int64_t nsec) {
|
|
r->tv_sec = nsec / NSEC_PER_SEC;
|
|
r->tv_nsec = nsec % NSEC_PER_SEC;
|
|
}
|
|
|
|
int64_t get_current_time_msec(void) {
|
|
struct timespec now;
|
|
clock_gettime(CLOCK_MONOTONIC, &now);
|
|
return timespec_to_msec(&now);
|
|
}
|
|
|
|
void timespec_sub(struct timespec *r, const struct timespec *a,
|
|
const struct timespec *b) {
|
|
r->tv_sec = a->tv_sec - b->tv_sec;
|
|
r->tv_nsec = a->tv_nsec - b->tv_nsec;
|
|
if (r->tv_nsec < 0) {
|
|
r->tv_sec--;
|
|
r->tv_nsec += NSEC_PER_SEC;
|
|
}
|
|
}
|