time.h: Add CLOCK_REALTIME_ALARM/CLOCK_BOOTTIME_ALARM

Slightly reshuffle and add comment

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
This commit is contained in:
Corinna Vinschen 2019-01-22 15:39:39 +01:00
parent 229ea3f23c
commit 13ea67a3c6
1 changed files with 12 additions and 8 deletions

View File

@ -249,6 +249,11 @@ extern "C" {
/* thread shall not have a CPU-time clock */
/* accessible. */
/* Flag indicating time is "absolute" with respect to the clock
associated with a time. Value 4 is historic. */
#define TIMER_ABSTIME 4
/* Manifest Constants, P1003.1b-1993, p. 262 */
#if __GNU_VISIBLE
@ -257,11 +262,6 @@ extern "C" {
#define CLOCK_REALTIME ((clockid_t) 1)
/* Flag indicating time is "absolute" with respect to the clock
associated with a time. */
#define TIMER_ABSTIME 4
/* Manifest Constants, P1003.4b/D8, p. 55 */
#if defined(_POSIX_CPUTIME)
@ -287,11 +287,13 @@ extern "C" {
#if defined(_POSIX_MONOTONIC_CLOCK)
/* The identifier for the system-wide monotonic clock, which is defined
* as a clock whose value cannot be set via clock_settime() and which
* cannot have backward clock jumps. */
* as a clock whose value cannot be set via clock_settime() and which
* cannot have backward clock jumps. */
#define CLOCK_MONOTONIC ((clockid_t) 4)
#endif
#if __GNU_VISIBLE
#define CLOCK_MONOTONIC_RAW ((clockid_t) 5)
@ -300,7 +302,9 @@ extern "C" {
#define CLOCK_BOOTTIME ((clockid_t) 7)
#endif
#define CLOCK_REALTIME_ALARM ((clockid_t) 8)
#define CLOCK_BOOTTIME_ALARM ((clockid_t) 9)
#endif