aboutsummaryrefslogtreecommitdiff
path: root/lib/libc/sys/clock_gettime.2
diff options
context:
space:
mode:
Diffstat (limited to 'lib/libc/sys/clock_gettime.2')
-rw-r--r--lib/libc/sys/clock_gettime.240
1 files changed, 20 insertions, 20 deletions
diff --git a/lib/libc/sys/clock_gettime.2 b/lib/libc/sys/clock_gettime.2
index ed469153a40e..c8bef4c5424f 100644
--- a/lib/libc/sys/clock_gettime.2
+++ b/lib/libc/sys/clock_gettime.2
@@ -94,29 +94,29 @@ Returns the execution time of the calling thread.
.El
.Pp
The clock IDs
-.Fa CLOCK_REALTIME ,
-.Fa CLOCK_MONOTONIC ,
+.Dv CLOCK_REALTIME ,
+.Dv CLOCK_MONOTONIC ,
and
-.Fa CLOCK_UPTIME
+.Dv CLOCK_UPTIME
perform a full time counter query.
The clock IDs with the _FAST suffix, i.e.,
-.Fa CLOCK_REALTIME_FAST ,
-.Fa CLOCK_MONOTONIC_FAST ,
+.Dv CLOCK_REALTIME_FAST ,
+.Dv CLOCK_MONOTONIC_FAST ,
and
-.Fa CLOCK_UPTIME_FAST ,
+.Dv CLOCK_UPTIME_FAST ,
do not perform
a full time counter query, so their accuracy is one timer tick.
Similarly,
-.Fa CLOCK_REALTIME_PRECISE ,
-.Fa CLOCK_MONOTONIC_PRECISE ,
+.Dv CLOCK_REALTIME_PRECISE ,
+.Dv CLOCK_MONOTONIC_PRECISE ,
and
-.Fa CLOCK_UPTIME_PRECISE
+.Dv CLOCK_UPTIME_PRECISE
are used to get the most exact value as possible, at the expense of
execution time.
The clock IDs
-.Fa CLOCK_REALTIME_COARSE
+.Dv CLOCK_REALTIME_COARSE
and
-.Fa CLOCK_MONOTONIC_COARSE
+.Dv CLOCK_MONOTONIC_COARSE
are aliases of corresponding IDs with _FAST suffix for compatibility with other
systems.
Finally,
@@ -138,7 +138,7 @@ struct timespec {
.Ed
.Pp
Only the super-user may set the time of day, using only
-.Fa CLOCK_REALTIME .
+.Dv CLOCK_REALTIME .
If the system
.Xr securelevel 7
is greater than 1 (see
@@ -186,14 +186,14 @@ and
system calls conform to
.St -p1003.1b-93 .
The clock IDs
-.Fa CLOCK_REALTIME_FAST ,
-.Fa CLOCK_REALTIME_PRECISE ,
-.Fa CLOCK_MONOTONIC_FAST ,
-.Fa CLOCK_MONOTONIC_PRECISE ,
-.Fa CLOCK_UPTIME ,
-.Fa CLOCK_UPTIME_FAST ,
-.Fa CLOCK_UPTIME_PRECISE ,
-.Fa CLOCK_SECOND
+.Dv CLOCK_REALTIME_FAST ,
+.Dv CLOCK_REALTIME_PRECISE ,
+.Dv CLOCK_MONOTONIC_FAST ,
+.Dv CLOCK_MONOTONIC_PRECISE ,
+.Dv CLOCK_UPTIME ,
+.Dv CLOCK_UPTIME_FAST ,
+.Dv CLOCK_UPTIME_PRECISE ,
+.Dv CLOCK_SECOND
are
.Fx
extensions to the POSIX interface.