(No version information available, might be only in CVS)
pcntl_sigprocmask — Sets and retrieves blocked signals
The pcntl_sigprocmask() function adds, removes or sets blocked signals, depending on the how parameter.
Sets the behavior of pcntl_sigprocmask(). Possible values:
List of signals.
The oldset parameter is set to an array containing the list of the previously blocked signals.
Returns TRUE on success or FALSE on failure.
Example #1 pcntl_sigprocmask() example
<?php
pcntl_sigprocmask(SIG_BLOCK, array(SIGHUP));
$oldset = array();
pcntl_sigprocmask(SIG_UNBLOCK, array(SIGHUP), $oldset);
?>