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| author | Sami Kerola | 2015-02-10 00:18:09 +0100 |
|---|---|---|
| committer | Karel Zak | 2015-03-05 10:31:01 +0100 |
| commit | 378543e13f93c522b976efddd1610a19a6601b1c (patch) | |
| tree | 38467867c9467eb6cc23b91516be9364ef74bb7c /include/monotonic.h | |
| parent | flock: add --verbose option (diff) | |
| download | kernel-qcow2-util-linux-378543e13f93c522b976efddd1610a19a6601b1c.tar.gz kernel-qcow2-util-linux-378543e13f93c522b976efddd1610a19a6601b1c.tar.xz kernel-qcow2-util-linux-378543e13f93c522b976efddd1610a19a6601b1c.zip | |
flock: improve timeout handling
Signal ALRM raised by the timer, and the timer only, will be considered
as a timeout criteria.
Secondly time interval is made to use monotonic clock. Documentation of
ITIMER_REAL is unclear whether that time is affected various sources of
clock skew, or does it even tick when system is suspended.
Reviewed-by: Karel Zak <kzak@redhat.com>
Signed-off-by: Sami Kerola <kerolasa@iki.fi>
Diffstat (limited to 'include/monotonic.h')
| -rw-r--r-- | include/monotonic.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/monotonic.h b/include/monotonic.h index f3b03d3d0..d5ff7c8e5 100644 --- a/include/monotonic.h +++ b/include/monotonic.h @@ -8,4 +8,8 @@ extern int get_boot_time(struct timeval *boot_time); extern int gettime_monotonic(struct timeval *tv); +extern int setup_timer(timer_t * t_id, struct itimerval *timeout, + void (*timeout_handler)(void)); +extern void cancel_timer(timer_t * t_id); + #endif /* UTIL_LINUX_BOOTTIME_H */ |