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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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28
include/time.h
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@ -46,11 +46,11 @@
*/
#ifdef CONFIG_USEC_PER_TICK
# define CLK_TCK (1000000/CONFIG_USEC_PER_TICK)
# define CLOCKS_PER_SEC (1000000/CONFIG_USEC_PER_TICK)
# define CLK_TCK (1000000/CONFIG_USEC_PER_TICK)
# define CLOCKS_PER_SEC (1000000/CONFIG_USEC_PER_TICK)
#else
# define CLK_TCK (100)
# define CLOCKS_PER_SEC (100)
# define CLK_TCK (100)
# define CLOCKS_PER_SEC (100)
#endif
/* CLOCK_REALTIME refers to the standard time source. For most
@ -64,28 +64,38 @@
* forward and backward as the system time-of-day clock is changed.
*/
#define CLOCK_REALTIME 0
#define CLOCK_REALTIME 0
/* Clock that cannot be set and represents monotonic time since some
* unspecified starting point. It is not affected by changes in the
* system time-of-day clock.
*/
#define CLOCK_MONOTONIC 1
#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.
*/
#define TIMER_ABSTIME 1
#define TIMER_ABSTIME 1
/* Time base values for timespec_get. */
#define TIME_UTC 1
#define TIME_UTC 1
/* Redirect the timelocal and strftime_l */