javareact

<?php
declare( ticks=1 );

pcntl_signal( SIGCHLD, "sig_handler" );
function sig_handler( $signo ) {
	switch ( $signo ) {
		case SIGCHLD:
			$status   = 0;
			$child_id = pcntl_wait( $status );
			echo sprintf( "child exit id: {$child_id} \n" );