pcntl_sigprocmask
(PHP 5 >= 5.3.0, PHP 7, PHP 8)
pcntl_sigprocmask — Sets and retrieves blocked signals
Descrição
pcntl_sigprocmask
( int
$how
, array $set
, array &$oldset = ?
) : bool
The pcntl_sigprocmask() function adds, removes or sets blocked
signals, depending on the how parameter.
Parâmetros
-
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.
Valor Retornado
Retorna true em caso de sucesso ou false em caso de falha.
Exemplos
Exemplo #1 pcntl_sigprocmask() example
<?php
pcntl_sigprocmask(SIG_BLOCK, array(SIGHUP));
$oldset = array();
pcntl_sigprocmask(SIG_UNBLOCK, array(SIGHUP), $oldset);
?>
Veja Também
- pcntl_sigwaitinfo() - Waits for signals
- pcntl_sigtimedwait() - Waits for signals, with a timeout
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