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Current File : //opt/alt/php53/usr/share/pear/test/Process/Symfony/Component/Process/Tests/SignalListener.php

<?php

// required for signal handling
declare(ticks = 1);

pcntl_signal(SIGUSR1, function () {echo "Caught SIGUSR1"; exit;});

$n=0;

// ticks require activity to work - sleep(4); does not work
while ($n < 400) {
    usleep(10000);
    $n++;
}

return;

?>