killer

It makes sure that your processes are dead.

Usage

$3

The following example uses killer to kill a child process after an hour.

``js
var spawn = require('child_process').spawn,
killer = require('killer');

var child = spawn('node', ['server.js']);
setTimeout(function () {
// Ensure that the server is dead.
killer(child.pid, function () {
console.log('Child process killed');
});
}, 60 60 1000);
`

$3

#### options

If options is a string or a number, it's assumed to be the PID. Defaults are
used for all other options.

* pid - PID of the process to kill
* interval - How often to check if process is still alive (default: 1000). Setting to false disables polling.
* killSignal - which signal to use to kill the process (default: SIGKILL)
* termSignal - which signal to use to terminate the process after timeout (default: SIGTERM)
* timeout - when to send termSignal to the process (default: 10000).

#### callback`
Called when process is dead.