dual_timestamp* dual_timestamp_from_boottime_or_monotonic(dual_timestamp *ts, usec_t u) {
int64_t delta;
if (u == USEC_INFINITY) {
ts->realtime = ts->monotonic = USEC_INFINITY;
return ts;
}
dual_timestamp_get(ts);
delta = (int64_t) now(clock_boottime_or_monotonic()) - (int64_t) u;
ts->realtime = usec_sub(ts->realtime, delta);
ts->monotonic = usec_sub(ts->monotonic, delta);
return ts;
}
triple_timestamp* triple_timestamp_from_realtime(triple_timestamp *ts, usec_t u) {
int64_t delta;
assert(ts);
if (u == USEC_INFINITY || u <= 0) {
ts->realtime = ts->monotonic = ts->boottime = u;
return ts;
}
ts->realtime = u;
delta = (int64_t) now(CLOCK_REALTIME) - (int64_t) u;
ts->monotonic = usec_sub(now(CLOCK_MONOTONIC), delta);
ts->boottime = clock_boottime_supported() ? usec_sub(now(CLOCK_BOOTTIME), delta) : USEC_INFINITY;
return ts;
}
dual_timestamp* dual_timestamp_from_monotonic(dual_timestamp *ts, usec_t u) {
int64_t delta;
assert(ts);
if (u == USEC_INFINITY) {
ts->realtime = ts->monotonic = USEC_INFINITY;
return ts;
}
ts->monotonic = u;
delta = (int64_t) now(CLOCK_MONOTONIC) - (int64_t) u;
ts->realtime = usec_sub(now(CLOCK_REALTIME), delta);
return ts;
}
