(PHP 5 >= 5.3.0, PHP 7, PHP 8)
pcntl_sigprocmask — Sets and retrieves blocked signals
The pcntl_sigprocmask() function adds, removes or sets blocked
signals, depending on the mode parameter.
modeSets 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.signalsList of signals.
old_signals
The old_signals parameter is set to an array
containing the list of the previously blocked signals.
| Версія | Опис |
|---|---|
| 8.4.0 |
A ValueError is thrown if signal
is empty.
|
| 8.4.0 |
A TypeError is thrown if signal
value is not an int.
|
| 8.4.0 |
A ValueError is thrown if signal
value is invalid.
|
| 8.4.0 |
A ValueError is thrown if mode
value is not SIG_BLOCK, SIG_UNBLOCK or
SIG_SETMASK.
|
Приклад #1 pcntl_sigprocmask() example
<?php
pcntl_sigprocmask(SIG_BLOCK, array(SIGHUP));
$oldset = array();
pcntl_sigprocmask(SIG_UNBLOCK, array(SIGHUP), $oldset);
?>