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Reference timeradd(3).

This commit is contained in:
jruoho 2010-04-30 04:17:45 +00:00
parent eccc1c42e1
commit a2ebffc113
1 changed files with 6 additions and 3 deletions
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9
lib/libc/sys/getitimer.2
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@ -1,4 +1,4 @@
.\" $NetBSD: getitimer.2,v 1.23 2010/04/30 04:15:49 jruoho Exp $
.\" $NetBSD: getitimer.2,v 1.24 2010/04/30 04:17:45 jruoho Exp $
.\"
.\" Copyright (c) 1983, 1991, 1993
.\" The Regents of the University of California. All rights reserved.
@ -129,8 +129,9 @@ Because this signal may interrupt in-progress
system calls, programs using this timer must be prepared to
restart interrupted system calls.
.Sh NOTES
Macros for manipulating time values are defined in
.Ao Pa sys/time.h Ac .
Macros for manipulating time values are defined in the
.In sys/time.h
header;
.Fn timerclear
sets a time value to zero,
.Fn timerisset
@ -141,6 +142,8 @@ compares two time values,
adds a time value to another time value,
.Fn timersub
computes the time difference between two time values.
For additional details, see
.Xr timeradd 3 .
.Sh RETURN VALUES
If the calls succeed, a value of 0 is returned.
If an error occurs, the value \-1 is returned, and a more precise error