view sources/timeout.sh @ 928:0291e9591d18

Update downloads/binaries/README
author Rob Landley <rob@landley.net>
date Tue, 08 Dec 2009 20:22:53 -0600
parents 2ca7ea5d3ec1
children
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#!/bin/bash

# Run a command line with a hang timeout, which kills the child process if it
# doesn't produce a new line of output for $1 seconds.

# This script has to be a separate process (rather than just a shell function)
# so killing it doesn't kill the parent process.

source sources/functions.sh

if [ $# -lt 1 ]
then
  echo "Need timeout value" >&2
  exit 1
fi

trap "killtree $$" EXIT
TIMEOUT="$1"
shift
( "$@" ) | tee >(while read -t "$TIMEOUT" -n 32 i; do true; done; sleep 1; kill -TERM $$ 2>/dev/null )