diff options
author | Lennart Poettering <lennart@poettering.net> | 2015-11-03 17:38:22 +0100 |
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committer | Lennart Poettering <lennart@poettering.net> | 2015-11-03 17:38:22 +0100 |
commit | 5703176d6e9680c32caac1de2d6bdb84cdc72c96 (patch) | |
tree | fbd82ede58241407326bde3fff0648610b4d058b /src/basic | |
parent | e37c57106eabfda8c2dfb8a2605514ab5cf8f904 (diff) | |
parent | 1a14863e7e88a4694105071987dbafed27a263b2 (diff) |
Merge pull request #1764 from ssahani/jiffies-1
(V2) networkd: bridge convert to jiffies
Diffstat (limited to 'src/basic')
-rw-r--r-- | src/basic/time-util.c | 14 | ||||
-rw-r--r-- | src/basic/time-util.h | 2 |
2 files changed, 16 insertions, 0 deletions
diff --git a/src/basic/time-util.c b/src/basic/time-util.c index 9dc280efc6..e629d91cb2 100644 --- a/src/basic/time-util.c +++ b/src/basic/time-util.c @@ -1122,3 +1122,17 @@ time_t mktime_or_timegm(struct tm *tm, bool utc) { struct tm *localtime_or_gmtime_r(const time_t *t, struct tm *tm, bool utc) { return utc ? gmtime_r(t, tm) : localtime_r(t, tm); } + +unsigned long usec_to_jiffies(usec_t u) { + static thread_local unsigned long hz = 0; + long r; + + if (hz == 0) { + r = sysconf(_SC_CLK_TCK); + + assert(r > 0); + hz = (unsigned long) r; + } + + return DIV_ROUND_UP(u , USEC_PER_SEC / hz); +} diff --git a/src/basic/time-util.h b/src/basic/time-util.h index 417376ea96..925bf18eb2 100644 --- a/src/basic/time-util.h +++ b/src/basic/time-util.h @@ -121,3 +121,5 @@ int get_timezone(char **timezone); time_t mktime_or_timegm(struct tm *tm, bool utc); struct tm *localtime_or_gmtime_r(const time_t *t, struct tm *tm, bool utc); + +unsigned long usec_to_jiffies(usec_t usec); |