From: Mark Wooding <mdw@distorted.org.uk>
Date: Sat, 2 May 2015 16:05:20 +0000 (+0100)
Subject: mtimeout.1: Clarify handling of exit statuses.
X-Git-Tag: 1.4.1~5
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~mdw/git/misc/commitdiff_plain/f54e279c91964c800cb7215ecf2de9083c5984ea

mtimeout.1: Clarify handling of exit statuses.
---

diff --git a/mtimeout.1 b/mtimeout.1
index 147b097..cc57a4a 100644
--- a/mtimeout.1
+++ b/mtimeout.1
@@ -120,7 +120,7 @@ The
 .B mtimeout
 program sets its exit status as follows.
 .TP
-0\(em127
+0\(em127, 255
 The child process ran to completion within the given time:
 .BR mtimeout 's
 exit status is the same as that of the child process.
@@ -129,6 +129,12 @@ exit status is the same as that of the child process.
 The child process exited in a way which
 .B mtimeout
 could not interpret.
+(Whatever status the child exits with will be propagated;
+but if it exits with some status other than these then
+there is a risk that it will be conflict
+with a status used by
+.B mtimeout
+and be misinterpreted.)
 .TP
 129\(em250
 The child process was killed by a signal: the exit status is 128 higher
@@ -156,9 +162,6 @@ was written to standard error.
 A system call made by
 .B mtimeout
 failed unexpectedly: an error message was written to standard error.
-.TP
-255
-Not used.
 .
 .SH BUGS
 Because