PCNTL Functions
PHP Manual

pcntl_signal_dispatch

Calls signal handlers for pending signals

Description

bool pcntl_signal_dispatch()

The pcntl_signal_dispatch function calls the signal handlers installed by pcntl_signal for each pending signal.

Parameters

This function has no parameters.

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
  • pcntl_sigprocmask
  • pcntl_sigwaitinfo
  • pcntl_sigtimedwait