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| -rw-r--r-- | README | 16 |
1 files changed, 14 insertions, 2 deletions
@@ -2,14 +2,26 @@ NAME sleep-until – sleeps until a specified time SYNOPSIS - sleep-until TIMEPOINT... + sleep-until CLOCKNAME... TIMEPOINT... DESCRIPTION Pause until TIMEPOINT. TIMEPOINT is the number of seconds - since Epoch, in UTC but not accounting for leap seconds. + since Epoch, in UTC but not accounting for leap seconds, + by default. If CLOCKNAME is specifed, TIMEPOINT is the + number of seconds since the zerotime of that clock. TIMEPOINT may be an arbitrary floating point number. Pause is continued when interrupted. + On Linux 4.2.2 the clocks that can be used are: + * CLOCK_REALTIME + * CLOCK_MONOTONIC + * CLOCK_BOOTTIME + * CLOCK_REALTIME_ALARM + * CLOCK_BOOTTIME_ALARM + Note that the neither course clocks, CLOCK_MONOTONIC_RAW + (the proper implementation of a monotonic clock), and + CLOCK_TAI does not work. + SEE ALSO sleep(1), date(1) |