pcntl_sigprocmask

(PHP 5 >= 5.3.0, PHP 7)

pcntl_sigprocmask — Sets and retrieves blocked signals

Beschreibung

pcntl_sigprocmask ( int $how , array $set [, array &$oldset ] ) : bool

The pcntl_sigprocmask() function adds, removes or sets blocked signals, depending on the how parameter.

Parameter-Liste

how

Sets the behavior of pcntl_sigprocmask(). Possible values:

  • SIG_BLOCK: Add the signals to the currently blocked signals.
  • SIG_UNBLOCK: Remove the signals from the currently blocked signals.
  • SIG_SETMASK: Replace the currently blocked signals by the given list of signals.

set

List of signals.

oldset

The oldset parameter is set to an array containing the list of the previously blocked signals.

Rückgabewerte

Gibt bei Erfolg TRUE zurück. Im Fehlerfall wird FALSE zurückgegeben.

Beispiele

Beispiel #1 pcntl_sigprocmask() example

<?php
pcntl_sigprocmask(SIG_BLOCK, array(SIGHUP));
$oldset = array();
pcntl_sigprocmask(SIG_UNBLOCK, array(SIGHUP), $oldset);
?>

Siehe auch