$manager = new \Zebra\MultiProcess\ProcessManager();
$manager->allocateSHMPerChildren(1000);
// allocate 1000 bytes for each forked process
for ($i = 0; $i < 4; $i++) {
$manager->fork(new \Zebra\MultiProcess\Process(function (Process $currentProcess) {
$currentProcess->getShmSegment()->save('status', 'Processing data...');
sleep(5);
$currentProcess->getShmSegment()->save('status', 'Connecting to the satellite...');
sleep(5);
}, $i));
}
$manager->cleanupOnShutdown();
// Register shutdown function that will release allocated shared memory;
// It is important to call this after all fork() calls, as we don't want
// to release it when child process exits
do {
foreach ($manager->getChildren() as $process) {
$iid = $process->getInternalId();
if ($process->isAlive()) {
echo sprintf('Process %s is running with status "%s"', $iid, $process->getShmSegment()->fetch('status'));
} else {
if ($process->isFinished()) {
echo sprintf('Process %s finished execution', $iid);
}
}
echo "\n";
}
sleep(1);
} while ($manager->countAliveChildren());
$manager->cleanup();
// You can also call cleanup() manually if you want to
