X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/blobdiff_plain/8c8a5b54e79564c14fc7a2823a21a8f048449bcf..af359dea2e5ab3e937b62107ecd6a51d78189ed7:/usr/src/bin/sleep/sleep.1 diff --git a/usr/src/bin/sleep/sleep.1 b/usr/src/bin/sleep/sleep.1 index b7ddf204f3..bf88397c34 100644 --- a/usr/src/bin/sleep/sleep.1 +++ b/usr/src/bin/sleep/sleep.1 @@ -1,13 +1,40 @@ .\" Copyright (c) 1990 The Regents of the University of California. .\" All rights reserved. .\" -.\" %sccs.include.redist.man% +.\" This code is derived from software contributed to Berkeley by +.\" the Institute of Electrical and Electronics Engineers, Inc. .\" -.\" @(#)sleep.1 6.4 (Berkeley) %G% +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 3. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed by the University of +.\" California, Berkeley and its contributors. +.\" 4. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. .\" -.Vx -.Vx -.Dd +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" @(#)sleep.1 6.6 (Berkeley) 7/27/91 +.\" +.Dd July 27, 1991 .Dt SLEEP 1 .Os .Sh NAME @@ -24,17 +51,20 @@ suspends execution for a minimum of .Ar seconds . .Nm Sleep is used to schedule the execution of other commands (see -EXAMPLES below). +.Sx EXAMPLES +below). .Pp The .Nm Sleep utility exits with one of the following values: -.Tw Ds -.Tp Li \&0 -On successful completetion, or if the signal SIGALRM was received. -.Tp Li \&>\&0 +.Bl -tag -width flag +.It Li \&0 +On successful completetion, or if the signal +.Dv SIGALRM +was received. +.It Li \&>\&0 An error occurred. -.Tp +.El .Sh EXAMPLES To schedule the execution of a command for .Va x @@ -50,7 +80,7 @@ utility.) To reiteratively run a command (with the .Xr csh 1 ) : .Pp -.Ds I +.Bd -literal -offset indent -compact while (1) if (! -r zzz.rawdata) then sleep 300 @@ -62,7 +92,7 @@ while (1) break endif end -.De +.Ed .Pp The scenario for a script such as this might be: a program currently running is taking longer than expected to process a series of @@ -79,4 +109,8 @@ awk job. .Xr sleep 3 , .Xr at 1 .Sh STANDARDS -The sleep function is expected to be POSIX 1003.2 compatible. +The +.Nm sleep +command is expected to be +.St -p1003.2 +compatible.