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Calls signal handlers for pending signals


pcntl_signal_dispatch

(PHP 5 >= 5.3.0)

pcntl_signal_dispatchCalls 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 

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