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systemd: fall back to CLOCK_MONOTONIC

Browse source 
https://github.com/systemd/systemd/pull/2843
This commit is contained in:
Lubomir Rintel 2016-03-15 12:53:19 +01:00
parent 93bc9c0294
commit d6c399b1dd
1 changed files with 5 additions and 2 deletions
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7
src/systemd/src/basic/time-util.c
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@ -49,12 +49,15 @@ static clockid_t map_clock_id(clockid_t c) {
/* Some more exotic archs (s390, ppc, …) lack the "ALARM" flavour of the clocks. Thus, clock_gettime() will
* fail for them. Since they are essentially the same as their non-ALARM pendants (their only difference is
* when timers are set on them), let's just map them accordingly. This way, we can get the correct time even on
* those archs. */
* those archs.
*
* Also, older kernels don't support CLOCK_BOOTTIME: fall back to CLOCK_MONOTONIC. */
switch (c) {
case CLOCK_BOOTTIME:
case CLOCK_BOOTTIME_ALARM:
return CLOCK_BOOTTIME;
return clock_boottime_or_monotonic ();
case CLOCK_REALTIME_ALARM:
return CLOCK_REALTIME;