Php/docs/function.pcntl-signal-dispatch
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pcntl_signal_dispatch
(PHP 5 >= 5.3.0, PHP 7)
pcntl_signal_dispatch — Calls signal handlers for pending signals
Description
pcntl_signal_dispatch ( ) : bool
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
<?phpecho "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
