From: Martin Wilck <[email protected]> Add a small utility that will be used in later patches.
Signed-off-by: Martin Wilck <[email protected]> --- libmultipath/libmultipath.version | 5 +++++ libmultipath/time-util.c | 12 ++++++++++++ libmultipath/time-util.h | 1 + 3 files changed, 18 insertions(+) diff --git a/libmultipath/libmultipath.version b/libmultipath/libmultipath.version index eb5b5b5..c98cf7f 100644 --- a/libmultipath/libmultipath.version +++ b/libmultipath/libmultipath.version @@ -287,3 +287,8 @@ global: local: *; }; + +LIBMULTIPATH_9.1.0 { +global: + timespeccmp; +} LIBMULTIPATH_9.0.0; diff --git a/libmultipath/time-util.c b/libmultipath/time-util.c index 55f366c..2919300 100644 --- a/libmultipath/time-util.c +++ b/libmultipath/time-util.c @@ -49,3 +49,15 @@ void timespecsub(const struct timespec *a, const struct timespec *b, res->tv_nsec = a->tv_nsec - b->tv_nsec; normalize_timespec(res); } + +int timespeccmp(const struct timespec *a, const struct timespec *b) +{ + struct timespec tmp; + + timespecsub(a, b, &tmp); + if (tmp.tv_sec > 0) + return 1; + if (tmp.tv_sec < 0) + return -1; + return tmp.tv_nsec > 0 ? 1 : (tmp.tv_nsec < 0 ? -1 : 0); +} diff --git a/libmultipath/time-util.h b/libmultipath/time-util.h index b23d328..4a80ebd 100644 --- a/libmultipath/time-util.h +++ b/libmultipath/time-util.h @@ -10,5 +10,6 @@ void pthread_cond_init_mono(pthread_cond_t *cond); void normalize_timespec(struct timespec *ts); void timespecsub(const struct timespec *a, const struct timespec *b, struct timespec *res); +int timespeccmp(const struct timespec *a, const struct timespec *b); #endif /* _TIME_UTIL_H_ */ -- 2.33.0 -- dm-devel mailing list [email protected] https://listman.redhat.com/mailman/listinfo/dm-devel
