pcntl_signal_get_handler

pcntl_signal_get_handler

Get the current handler for specified signal

 **pcntl_signal_get_handler** int $signal

The function will get the current handler for the specified . pcntl_signal_get_handler``signal

signalThe signal number.

This function may return an integer value that refers to or . If a custom handler has been set, that is returned. SIG_DFL``SIG_IGN``callable

Voorbeeld: example

<?php
var_dump(pcntl_signal_get_handler(SIGUSR1)); // Outputs: int(0)

function pcntl_test($signo) {}
pcntl_signal(SIGUSR1, 'pcntl_test');
var_dump(pcntl_signal_get_handler(SIGUSR1)); // Outputs: string(10) "pcntl_test"

pcntl_signal(SIGUSR1, SIG_DFL);
var_dump(pcntl_signal_get_handler(SIGUSR1)); // Outputs: int(0)

pcntl_signal(SIGUSR1, SIG_IGN);
var_dump(pcntl_signal_get_handler(SIGUSR1)); // Outputs: int(1)
?>

pcntl_signal