pcntl_signalpcntl_sigprocmask
(PHP 5 >= 5.3.0)
pcntl_sigprocmask — Sets and retrieves blocked signals
Descrierea
bool pcntl_sigprocmask
( int $how
, array $set
[, array &$oldset
] )
The pcntl_sigprocmask() function adds, removes or sets blocked signals, depending on the how parameter.
Parametri
- 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.
Valorile întroarse
Întoarce valoarea TRUE în cazul succesului sau FALSE în cazul eşecului.
Exemple
Example #1 pcntl_sigprocmask() example
<?php
pcntl_sigprocmask(SIG_BLOCK, array(SIGHUP));
$oldset = array();
pcntl_sigprocmask(SIG_UNBLOCK, array(SIGHUP), $oldset);
?>
Vedeţi de asemenea
- pcntl_sigwaitinfo() - Waits for signals
- pcntl_sigtimedwait() - Waits for signals, with a timeout
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