pcntl_signalpcntl_sigprocmask
(PHP 5 >= 5.3.0)
pcntl_sigprocmask — Sets and retrieves blocked signals
Opis
bool pcntl_sigprocmask
( int
$how
, array $set
[, array &$oldset
] )
The pcntl_sigprocmask() function adds, removes or sets blocked
signals, depending on the how parameter.
Parametry
-
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
oldsetparameter is set to an array containing the list of the previously blocked signals.
Zwracane wartości
Zwraca TRUE w przypadku powodzenia, FALSE w
przypadku błędu.
Przykłady
Przykład #1 pcntl_sigprocmask() example
<?php
pcntl_sigprocmask(SIG_BLOCK, array(SIGHUP));
$oldset = array();
pcntl_sigprocmask(SIG_UNBLOCK, array(SIGHUP), $oldset);
?>
Zobacz też:
- pcntl_sigwaitinfo() - Waits for signals
- pcntl_sigtimedwait() - Waits for signals, with a timeout
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