pcntl_sigprocmask
(PHP 5 >= 5.3.0)
pcntl_sigprocmask — Sets and retrieves blocked signals
說明
bool pcntl_sigprocmask
( int
$how
, array $set
[, array &$oldset
] )
The pcntl_sigprocmask() function adds, removes or sets blocked
signals, depending on the how parameter.
參數
-
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.
回傳值
如果成功則回傳 TRUE，失敗則回傳 FALSE。
範例
Example #1 pcntl_sigprocmask() example
<?php
pcntl_sigprocmask(SIG_BLOCK, array(SIGHUP));
$oldset = array();
pcntl_sigprocmask(SIG_UNBLOCK, array(SIGHUP), $oldset);
?>
add a note
User Contributed Notes
There are no user contributed notes for this page.
