Attachment #226198 for bug #256941




.\"
.\" $FreeBSD$
.\"
.Dd July 1, 2021
.Dt CLOCK_GETTIME 2
.Os
.Sh NAME

.It Dv CLOCK_REALTIME
.It Dv CLOCK_REALTIME_PRECISE
.It Dv CLOCK_REALTIME_FAST
.It Dv CLOCK_REALTIME_COARSE
Increments as a wall clock should.
.It Dv CLOCK_MONOTONIC
.It Dv CLOCK_MONOTONIC_PRECISE
.It Dv CLOCK_MONOTONIC_FAST
.It Dv CLOCK_MONOTONIC_COARSE
Increments in SI seconds.
.It Dv CLOCK_UPTIME
.It Dv CLOCK_UPTIME_PRECISE

.Fa CLOCK_UPTIME_PRECISE
are used to get the most exact value as possible, at the expense of
execution time.
Finally, the clock IDs
.Fa CLOCK_REALTIME_COARSE ,
.Fa CLOCK_MONOTONIC_COARSE
are aliases of corresponding IDs with _FAST suffix for compatibility with other
systems.
.Pp
The structure pointed to by
.Fa tp




#ifndef CLOCK_MONOTONIC
#define	CLOCK_MONOTONIC	4
#define	CLOCK_UPTIME	5		/* FreeBSD-specific. */
#define	CLOCK_BOOTTIME		CLOCK_UPTIME		/* Linux compat */
#define	CLOCK_UPTIME_PRECISE	7	/* FreeBSD-specific. */
#define	CLOCK_UPTIME_FAST	8	/* FreeBSD-specific. */
#define	CLOCK_REALTIME_PRECISE	9	/* FreeBSD-specific. */
#define	CLOCK_REALTIME_FAST	10	/* FreeBSD-specific. */
#define	CLOCK_REALTIME_COARSE	CLOCK_REALTIME_FAST	/* Linux compat */
#define	CLOCK_MONOTONIC_PRECISE	11	/* FreeBSD-specific. */
#define	CLOCK_MONOTONIC_FAST	12	/* FreeBSD-specific. */
#define	CLOCK_MONOTONIC_COARSE	CLOCK_MONOTONIC_FAST	/* Linux compat */
#define	CLOCK_SECOND	13		/* FreeBSD-specific. */
#define	CLOCK_THREAD_CPUTIME_ID	14
#define	CLOCK_PROCESS_CPUTIME_ID	15

Return to bug 256941

Lines 29-35 Link Here

(-)b/lib/libc/sys/clock_gettime.2 (-1 / +8 lines)
29	.\"	29	.\"
30	.\" $FreeBSD$	30	.\" $FreeBSD$
31	.\"	31	.\"
32	.Dd May 13, 2021	32	.Dd July 1, 2021
33	.Dt CLOCK_GETTIME 2	33	.Dt CLOCK_GETTIME 2
34	.Os	34	.Os
35	.Sh NAME	35	.Sh NAME
Lines 68-77 as well as the following values: Link Here
68	.It Dv CLOCK_REALTIME	68	.It Dv CLOCK_REALTIME
69	.It Dv CLOCK_REALTIME_PRECISE	69	.It Dv CLOCK_REALTIME_PRECISE
70	.It Dv CLOCK_REALTIME_FAST	70	.It Dv CLOCK_REALTIME_FAST
		71	.It Dv CLOCK_REALTIME_COARSE
71	Increments as a wall clock should.	72	Increments as a wall clock should.
72	.It Dv CLOCK_MONOTONIC	73	.It Dv CLOCK_MONOTONIC
73	.It Dv CLOCK_MONOTONIC_PRECISE	74	.It Dv CLOCK_MONOTONIC_PRECISE
74	.It Dv CLOCK_MONOTONIC_FAST	75	.It Dv CLOCK_MONOTONIC_FAST
		76	.It Dv CLOCK_MONOTONIC_COARSE
75	Increments in SI seconds.	77	Increments in SI seconds.
76	.It Dv CLOCK_UPTIME	78	.It Dv CLOCK_UPTIME
77	.It Dv CLOCK_UPTIME_PRECISE	79	.It Dv CLOCK_UPTIME_PRECISE
Lines 104-109 Similarly, Link Here
104	.Fa CLOCK_UPTIME_PRECISE	106	.Fa CLOCK_UPTIME_PRECISE
105	are used to get the most exact value as possible, at the expense of	107	are used to get the most exact value as possible, at the expense of
106	execution time.	108	execution time.
		109	Finally, the clock IDs
		110	.Fa CLOCK_REALTIME_COARSE ,
		111	.Fa CLOCK_MONOTONIC_COARSE
		112	are aliases of corresponding IDs with _FAST suffix for compatibility with other
		113	systems.
107	.Pp	114	.Pp
108	The structure pointed to by	115	The structure pointed to by
109	.Fa tp	116	.Fa tp

Lines 482-493 struct clockinfo { Link Here

(-)b/sys/sys/time.h (+3 lines)
482	#ifndef CLOCK_MONOTONIC	482	#ifndef CLOCK_MONOTONIC
483	#define CLOCK_MONOTONIC 4	483	#define CLOCK_MONOTONIC 4
484	#define CLOCK_UPTIME 5 /* FreeBSD-specific. */	484	#define CLOCK_UPTIME 5 /* FreeBSD-specific. */
		485	#define CLOCK_BOOTTIME CLOCK_UPTIME /* Linux compat */
485	#define CLOCK_UPTIME_PRECISE 7 /* FreeBSD-specific. */	486	#define CLOCK_UPTIME_PRECISE 7 /* FreeBSD-specific. */
486	#define CLOCK_UPTIME_FAST 8 /* FreeBSD-specific. */	487	#define CLOCK_UPTIME_FAST 8 /* FreeBSD-specific. */
487	#define CLOCK_REALTIME_PRECISE 9 /* FreeBSD-specific. */	488	#define CLOCK_REALTIME_PRECISE 9 /* FreeBSD-specific. */
488	#define CLOCK_REALTIME_FAST 10 /* FreeBSD-specific. */	489	#define CLOCK_REALTIME_FAST 10 /* FreeBSD-specific. */
		490	#define CLOCK_REALTIME_COARSE CLOCK_REALTIME_FAST /* Linux compat */
489	#define CLOCK_MONOTONIC_PRECISE 11 /* FreeBSD-specific. */	491	#define CLOCK_MONOTONIC_PRECISE 11 /* FreeBSD-specific. */
490	#define CLOCK_MONOTONIC_FAST 12 /* FreeBSD-specific. */	492	#define CLOCK_MONOTONIC_FAST 12 /* FreeBSD-specific. */
		493	#define CLOCK_MONOTONIC_COARSE CLOCK_MONOTONIC_FAST /* Linux compat */
491	#define CLOCK_SECOND 13 /* FreeBSD-specific. */	494	#define CLOCK_SECOND 13 /* FreeBSD-specific. */
492	#define CLOCK_THREAD_CPUTIME_ID 14	495	#define CLOCK_THREAD_CPUTIME_ID 14
493	#define CLOCK_PROCESS_CPUTIME_ID 15	496	#define CLOCK_PROCESS_CPUTIME_ID 15