Comos\Qpm\Process\ProcessTest::testFork PHP Method

    public function testFork()
    {
        $current = Process::current();
        Process::fork(new ProcessTest_Runnable($this->_logFile));
        Process::fork(new ProcessTest_Runnable($this->_logFile));
        $c = \file_get_contents($this->_logFile);
        $this->assertEquals('', $c);
        usleep(800 * 1000);
        $c = \file_get_contents($this->_logFile);
        $this->assertEquals('YY', $c);
    }