NAME
Process::Child::Leash - to make sure the child process wont get lost with their parent.
DESCRIPTION
Here is the issue. The parent process is a wrapping bash script around the real process (child). If we stopped the wrapper script. The real process ( child ) will be still remained and running as normal.
How to terminal the parent process and the child process would be stopped as a chain reaction?
+
|--run.sh
|
|-- perl script.pl
This module will keep an eye on the parent process. When the parent is gone. It will remove the the real process ( child ).
USAGE
ATTACH IT WITHIN THE CODE
#!/usr/bin/perl
use strict;
use warnings;
use Process::Child::Leash;
... start of the script ...
USE IT OUTSIDE THE CODE
#!/bin/bash
export SOMETHING=FOOBAR
perl -MProcess::Child::Leash script.pl
TIMEOUT THE HANGING PROCESS
Timeout after 10 seconds running.
#!/bin/bash
export CHILD_LEASH_TIMEOUT=10
export DBIC_TRACE=1
perl -MProcess::Child::Leash script.pl
OR
perl -MProcess::Child::Leash=timeout,10 script.pl