pcntl_sigprocmask
(PHP 5 >= 5.3.0, PHP 7)
pcntl_sigprocmask — Sets and retrieves blocked signals
설명
bool pcntl_sigprocmask
( int
$how
, array $set
[, array &$oldset
] )
The pcntl_sigprocmask() function adds, removes or sets blocked
signals, depending on the how parameter.
인수
-
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.
반환값
성공 시 TRUE를, 실패 시 FALSE를 반환합니다.
예제
Example #1 pcntl_sigprocmask() example
<?php
pcntl_sigprocmask(SIG_BLOCK, array(SIGHUP));
$oldset = array();
pcntl_sigprocmask(SIG_UNBLOCK, array(SIGHUP), $oldset);
?>
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