public function testReSpawnedProcessHasPersistSharedMemorySegment()
{
$process = $this->manager->spawn(function (Process $p) {
$sm = $p->getSharedMemory();
$sm['spawnCount'] += 1;
$exitCode = $sm['spawnCount'] == 1 ? -1 : 0;
exit($exitCode);
});
$this->manager->wait();
$this->assertEquals(2, $process->getSharedMemory()['spawnCount']);
}