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time.h: Add CLOCK_PROCESS_CPUTIME_ID and CLOCK_THREAD_CPUTIME_ID definition

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see the spec here:
https://pubs.opengroup.org/onlinepubs/000095399/functions/clock_getres.html

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
This commit is contained in:
Xiang Xiao 2023-01-19 21:59:25 +08:00 committed by Petro Karashchenko
parent 2fc1192019
commit 37b8748f17
1 changed files with 19 additions and 9 deletions
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12
include/time.h
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@ -73,9 +73,19 @@
#define CLOCK_MONOTONIC 1
/* Clock that measures CPU time consumed by this process (i.e., CPU
* time consumed by all threads in the process).
*/
#define CLOCK_PROCESS_CPUTIME_ID 2
/* Clock that measures CPU time consumed by this thread */
#define CLOCK_THREAD_CPUTIME_ID 3
/* Monotonic system-wide clock that includes time spent in suspension. */
#define CLOCK_BOOTTIME 2
#define CLOCK_BOOTTIME 4
/* This is a flag that may be passed to the timer_settime() and
* clock_nanosleep() functions.