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
DoneSee 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
← pcntl_setpriority
pcntl_signal_get_handler →
? 1997–2017 The PHP Documentation GroupLicensed under the Creative Commons Attribution License v3.0 or later.
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