diff options
Diffstat (limited to 'src/basic')
| -rw-r--r-- | src/basic/time-util.c | 26 | ||||
| -rw-r--r-- | src/basic/time-util.h | 1 |
2 files changed, 27 insertions, 0 deletions
diff --git a/src/basic/time-util.c b/src/basic/time-util.c index 12f1b193be..e278196c90 100644 --- a/src/basic/time-util.c +++ b/src/basic/time-util.c @@ -88,6 +88,32 @@ dual_timestamp* dual_timestamp_from_monotonic(dual_timestamp *ts, usec_t u) { return ts; } +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; + } + ts->realtime = now(CLOCK_REALTIME); + ts->monotonic = now(CLOCK_MONOTONIC); + + delta = (int64_t) now(clock_boottime_or_monotonic()) - (int64_t) u; + + if ((int64_t) ts->realtime > delta) + ts->realtime -= delta; + else + ts->realtime = 0; + + if ((int64_t) ts->monotonic > delta) + ts->monotonic -= delta; + else + ts->monotonic = 0; + + return ts; +} + + usec_t timespec_load(const struct timespec *ts) { assert(ts); diff --git a/src/basic/time-util.h b/src/basic/time-util.h index 7a64d454a0..2aba042217 100644 --- a/src/basic/time-util.h +++ b/src/basic/time-util.h @@ -74,6 +74,7 @@ usec_t now(clockid_t clock); dual_timestamp* dual_timestamp_get(dual_timestamp *ts); dual_timestamp* dual_timestamp_from_realtime(dual_timestamp *ts, usec_t u); dual_timestamp* dual_timestamp_from_monotonic(dual_timestamp *ts, usec_t u); +dual_timestamp* dual_timestamp_from_boottime_or_monotonic(dual_timestamp *ts, usec_t u); static inline bool dual_timestamp_is_set(dual_timestamp *ts) { return ((ts->realtime > 0 && ts->realtime != USEC_INFINITY) || |