diff options
-rw-r--r-- | usr.bin/timeout/timeout.1 | 90 | ||||
-rw-r--r-- | usr.bin/timeout/timeout.c | 8 |
2 files changed, 49 insertions, 49 deletions
diff --git a/usr.bin/timeout/timeout.1 b/usr.bin/timeout/timeout.1 index 4bd780ea33a..fb16d1ed103 100644 --- a/usr.bin/timeout/timeout.1 +++ b/usr.bin/timeout/timeout.1 @@ -1,3 +1,4 @@ +.\" $OpenBSD: timeout.1,v 1.2 2021/09/02 21:50:24 jmc Exp $ .\" $NetBSD: timeout.1,v 1.4 2016/10/13 06:22:26 dholland Exp $ .\" .\" Copyright (c) 2014 Baptiste Daroussin <bapt@FreeBSD.org> @@ -26,7 +27,7 @@ .\" .\" $FreeBSD: head/usr.bin/timeout/timeout.1 268861 2014-07-18 22:56:59Z bapt $ .\" -.Dd July 19, 2014 +.Dd $Mdocdate: September 2 2021 $ .Dt TIMEOUT 1 .Os .Sh NAME @@ -34,57 +35,53 @@ .Nd run a command with a time limit .Sh SYNOPSIS .Nm -.Op Fl Fl signal Ar sig | Fl s Ar sig -.Op Fl Fl preserve-status -.Op Fl Fl kill-after Ar time | Fl k Ar time -.Op Fl Fl foreground -.Ao Ar duration Ac -.Ao Ar command Ac -.Ao Ar args ... Ac +.Op Fl k Ar time +.Op Fl s Ar sig +.Op Fl -foreground +.Op Fl -preserve-status +.Ar duration +.Ar command +.Op Ar args .Sh DESCRIPTION +The .Nm -starts the -.Ar command -with its -.Ar args . +utility executes +.Ar command , +with any +.Ar args , +and kills it if it is still running after the +specified +.Ar duration . If -.Ar command -is still running after -.Ar duration , -it is killed. -By default, -.Dv SIGTERM -is sent. -.Bl -tag -width "-k time, --kill-after time" -.It Fl Fl preserve-status -Always exits with the same status as -.Ar command -even if it times out. -.It Fl Fl foreground -Do not propagate timeout to the -.Ar command -children. -.It Fl s Ar sig , Fl Fl signal Ar sig -Specify the signal to send on timeout. -By default, -.Dv SIGTERM -is sent. -.It Fl k Ar time , Fl Fl kill-after Ar time -Send a second kill signal if -.Ar command -is still running after +.Ar duration +is 0, the timeout is disabled. +.Pp +The options are as follows: +.Bl -tag -width Ds +.It Fl k Ar time , Fl -kill-after Ns = Ns Ar time +Send a second kill signal if the command is still running .Ar time after the first signal was sent. +.It Fl s Ar sig , Fl -signal Ns = Ns Ar sig +Specify the signal to send on timeout, instead of the default +.Dv SIGTERM . +.It Fl -foreground +Do not propagate the timeout signal to children processes. +.It Fl -preserve-status +Always exit with the same status as +.Ar command , +even if the timeout was reached. .El .Sh DURATION FORMAT .Ar duration and .Ar time -can be integer or decimal numbers. -Values without unit symbols are interpreted as seconds. +may contain a decimal fraction. +The value defaults to seconds unless a unit suffix is given. +.Pp +The supported unit suffixes are: .Pp -Supported unit symbols are: -.Bl -tag -width indent -compact +.Bl -tag -width Ds -offset indent -compact .It s seconds .It m @@ -100,17 +97,18 @@ If the timeout was not reached, the exit status of is returned. .Pp If the timeout was reached and -.Fl Fl preserve-status -is set, the exit status of +.Fl -preserve-status +was set, the exit status of .Ar command is returned. If -.Fl Fl preserve-status -is not set, an exit status of 124 is returned. +.Fl -preserve-status +was not set, an exit status of 124 is returned. .Pp If .Ar command -exits after receiving a signal, the exit status returned is the signal number plus 128. +exited after receiving a signal, the exit status returned is the signal number +plus 128. .Sh SEE ALSO .Xr kill 1 , .Xr signal 3 diff --git a/usr.bin/timeout/timeout.c b/usr.bin/timeout/timeout.c index cbceb70a3df..8a6e52702fc 100644 --- a/usr.bin/timeout/timeout.c +++ b/usr.bin/timeout/timeout.c @@ -1,4 +1,4 @@ -/* $OpenBSD: timeout.c,v 1.17 2021/09/02 11:26:54 semarie Exp $ */ +/* $OpenBSD: timeout.c,v 1.18 2021/09/02 21:50:24 jmc Exp $ */ /* * Copyright (c) 2021 Job Snijders <job@openbsd.org> @@ -53,8 +53,10 @@ static sig_atomic_t sig_ign = 0; static void __dead usage(void) { - fprintf(stderr, "usage: timeout [-s sig] [-k time] [--preserve-status]" - " [--foreground] duration command\n"); + fprintf(stderr, + "usage: timeout [-k time] [-s sig] [--foreground]" + " [--preserve-status] duration\n" + " command [args]\n"); exit(1); } |