dist/src/nstime.c

12 nstime_init(nstime_t *time, uint64_t ns) {
13 	time->ns = ns;
17 nstime_init2(nstime_t *time, uint64_t sec, uint64_t nsec) {
18 	time->ns = sec * BILLION + nsec;
22 nstime_ns(const nstime_t *time) {
23 	return time->ns;
27 nstime_msec(const nstime_t *time) {
28 	return time->ns / MILLION;
32 nstime_sec(const nstime_t *time) {
33 	return time->ns / BILLION;
37 nstime_nsec(const nstime_t *time) {
38 	return time->ns % BILLION;
42 nstime_copy(nstime_t *time, const nstime_t *source) {
43 	*time = *source;
52 nstime_add(nstime_t *time, const nstime_t *addend) {
53 	assert(UINT64_MAX - time->ns >= addend->ns);
55 	time->ns += addend->ns;
59 nstime_iadd(nstime_t *time, uint64_t addend) {
60 	assert(UINT64_MAX - time->ns >= addend);
62 	time->ns += addend;
66 nstime_subtract(nstime_t *time, const nstime_t *subtrahend) {
67 	assert(nstime_compare(time, subtrahend) >= 0);
69 	time->ns -= subtrahend->ns;
73 nstime_isubtract(nstime_t *time, uint64_t subtrahend) {
74 	assert(time->ns >= subtrahend);
76 	time->ns -= subtrahend;
80 nstime_imultiply(nstime_t *time, uint64_t multiplier) {
81 	assert((((time->ns | multiplier) & (UINT64_MAX << (sizeof(uint64_t) <<
82 	    2))) == 0) || ((time->ns * multiplier) / multiplier == time->ns));
84 	time->ns *= multiplier;
88 nstime_idivide(nstime_t *time, uint64_t divisor) {
91 	time->ns /= divisor;
95 nstime_divide(const nstime_t *time, const nstime_t *divisor) {
98 	return time->ns / divisor->ns;
104 nstime_get(nstime_t *time) {
111 	nstime_init(time, ticks_100ns * 100);
116 nstime_get(nstime_t *time) {
120 	nstime_init2(time, ts.tv_sec, ts.tv_nsec);
125 nstime_get(nstime_t *time) {
129 	nstime_init2(time, ts.tv_sec, ts.tv_nsec);
134 nstime_get(nstime_t *time) {
135 	nstime_init(time, mach_absolute_time());
140 nstime_get(nstime_t *time) {
144 	nstime_init2(time, tv.tv_sec, tv.tv_usec * 1000);
156 nstime_update_impl(nstime_t *time) {
159 	nstime_copy(&old_time, time);
160 	nstime_get(time);
163 	if (unlikely(nstime_compare(&old_time, time) > 0)) {
164 		nstime_copy(time, &old_time);