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<?php
/**
* Runs a PHP script that can be stopped only with a SIGKILL (9) signal for 3 seconds.
*
* @args duration Run this script with a custom duration
*
* @example `php NonStopableProcess.php 42` will run the script for 42 seconds
*/
function handleSignal($signal)
{
switch ($signal) {
case SIGTERM:
$name = 'SIGTERM';
break;
case SIGINT:
$name = 'SIGINT';
break;
default:
$name = $signal.' (unknown)';
break;
}
echo "received signal $name\n";
}
declare (ticks = 1);
pcntl_signal(SIGTERM, 'handleSignal');
pcntl_signal(SIGINT, 'handleSignal');
$duration = isset($argv[1]) ? (int) $argv[1] : 3;
$start = microtime(true);
while ($duration > (microtime(true) - $start)) {
usleep(1000);
}
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