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
<?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
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https://www.php.net/manual/en/function.pcntl-signal-dispatch.php