--TEST--
Asynchronous signal handling through VM interrupts
--SKIPIF--
<?php
    if (!extension_loaded("pcntl")) print "skip";
    elseif (!function_exists("pcntl_signal")) print "skip pcntl_signal() not available";
    elseif (!function_exists("posix_kill")) print "skip posix_kill() not available";
    elseif (!function_exists("posix_getpid")) print "skip posix_getpid() not available";
?>
--FILE--
<?php
pcntl_async_signals(1);

pcntl_signal(SIGTERM, function ($signo) { echo "Signal handler called!\n"; });

echo "Start!\n";
posix_kill(posix_getpid(), SIGTERM);
$i = 0; // dummy
echo "Done!\n";

?>
--EXPECT--
Start!
Signal handler called!
Done!