diff options
Diffstat (limited to 'man2/timer_settime.2')
| -rw-r--r-- | man2/timer_settime.2 | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/man2/timer_settime.2 b/man2/timer_settime.2 index 030bab5..d222fe4 100644 --- a/man2/timer_settime.2 +++ b/man2/timer_settime.2 @@ -3,7 +3,7 @@ .\" .\" SPDX-License-Identifier: Linux-man-pages-copyleft .\" -.TH timer_settime 2 2023-03-30 "Linux man-pages 6.05.01" +.TH timer_settime 2 2023-10-31 "Linux man-pages 6.7" .SH NAME timer_settime, timer_gettime \- arm/disarm and fetch state of POSIX per-process timer @@ -13,18 +13,18 @@ Real-time library .SH SYNOPSIS .nf .B #include <time.h> -.PP +.P .BI "int timer_gettime(timer_t " timerid ", struct itimerspec *" curr_value ); .BI "int timer_settime(timer_t " timerid ", int " flags , .BI " const struct itimerspec *restrict " new_value , .BI " struct itimerspec *_Nullable restrict " old_value ); .fi -.PP +.P .RS -4 Feature Test Macro Requirements for glibc (see .BR feature_test_macros (7)): .RE -.PP +.P .BR timer_settime (), .BR timer_gettime (): .nf @@ -44,7 +44,7 @@ The .I itimerspec structure is described in .BR itimerspec (3type). -.PP +.P Each of the substructures of the .I itimerspec structure is a @@ -54,7 +54,7 @@ in seconds and nanoseconds. These time values are measured according to the clock that was specified when the timer was created by .BR timer_create (2). -.PP +.P If .I new_value\->it_value specifies a nonzero value (i.e., either subfield is nonzero), then @@ -68,7 +68,7 @@ If specifies a zero value (i.e., both subfields are zero), then the timer is disarmed. -.PP +.P The .I new_value\->it_interval field specifies the period of the timer, in seconds and nanoseconds. @@ -80,7 +80,7 @@ If specifies a zero value, then the timer expires just once, at the time specified by .IR it_value . -.PP +.P By default, the initial expiration time specified in .I new_value\->it_value is interpreted relative to the current time on the timer's @@ -101,7 +101,7 @@ and the overrun count (see .BR timer_getoverrun (2)) will be set correctly. .\" By experiment: the overrun count is set correctly, for CLOCK_REALTIME. -.PP +.P If the value of the .B CLOCK_REALTIME clock is adjusted while an absolute timer based on that clock is armed, @@ -111,7 +111,7 @@ Adjustments to the clock have no effect on relative timers based on that clock. .\" Similar remarks might apply with respect to process and thread CPU time .\" clocks, but these clocks are not currently (2.6.28) settable on Linux. -.PP +.P If .I old_value is not NULL, then it points to a buffer @@ -120,7 +120,7 @@ that is used to return the previous interval of the timer (in and the amount of time until the timer would previously have next expired (in .IR old_value\->it_value ). -.PP +.P .BR timer_gettime () returns the time until next expiration, and the interval, for the timer specified by @@ -163,7 +163,7 @@ is not a valid pointer. .I timerid is invalid. .\" FIXME . eventually: invalid value in flags -.PP +.P .BR timer_settime () may fail with the following errors: .TP |