pcntl_signal_dispatch
pcntl_signal_dispatch
(PHP 5 >= 5.3.0, PHP 7)
pcntl_signal_dispatch — Calls signal handlers for pending signals
Description
bool pcntl_signal_dispatch ( void )
The pcntl_signal_dispatch() function calls the signal handlers installed by pcntl_signal() for each pending signal.
Return Values
Returns TRUE
on success or FALSE
on failure.
Examples
Example #1 pcntl_signal_dispatch() example
<?php echo "Installing signal handler...\n"; pcntl_signal(SIGHUP, function($signo) { echo "signal handler called\n"; }); echo "Generating signal SIGHUP to self...\n"; posix_kill(posix_getpid(), SIGHUP); echo "Dispatching...\n"; pcntl_signal_dispatch(); echo "Done\n"; ?>
The above example will output something similar to:
Installing signal handler... Generating signal SIGHUP to self... Dispatching... signal handler called Done
See Also
- pcntl_signal() - Installs a signal handler
- pcntl_sigprocmask() - Sets and retrieves blocked signals
- pcntl_sigwaitinfo() - Waits for signals
- pcntl_sigtimedwait() - Waits for signals, with a timeout
© 1997–2017 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://secure.php.net/manual/en/function.pcntl-signal-dispatch.php