- do {
-
- $flinks = $this->refreshFlinks();
-
- foreach ($flinks as $f) {
-
- // We have to disconnect from the DB before forking so
- // each sub-process will open its own connection and
- // avoid stomping on the others
-
- $conn = &$f->getDatabaseConnection();
- $conn->disconnect();
-
- $pid = pcntl_fork();
-
- if ($pid == -1) {
- die ("Couldn't fork!");
- }
-
- if ($pid) {
-
- // Parent
- if (defined('SCRIPT_DEBUG')) {
- common_debug("Parent: forked new status ".
- " fetcher process " . $pid);
- }
-
- $this->_children[] = $pid;
-
- } else {
-
- // Child
- $this->getTimeline($f);
- exit();
- }
-
- // Remove child from ps list as it finishes
- while (($c = pcntl_wait($status, WNOHANG OR WUNTRACED)) > 0) {
-
- if (defined('SCRIPT_DEBUG')) {
- common_debug("Child $c finished.");
- }
-
- $this->removePs($this->_children, $c);
- }
-
- // Wait! We have too many damn kids.
- if (sizeof($this->_children) > MAXCHILDREN) {
-
- if (defined('SCRIPT_DEBUG')) {
- common_debug('Too many children. Waiting...');
- }
-
- if (($c = pcntl_wait($status, WUNTRACED)) > 0) {
-
- if (defined('SCRIPT_DEBUG')) {
- common_debug("Finished waiting for $c");
- }
-
- $this->removePs($this->_children, $c);
- }
- }
- }
-
- // Remove all children from the process list before restarting
- while (($c = pcntl_wait($status, WUNTRACED)) > 0) {
-
- if (defined('SCRIPT_DEBUG')) {
- common_debug("Child $c finished.");
- }
-
- $this->removePs($this->_children, $c);
- }
-
- // Rest for a bit before we fetch more statuses
-
- if (defined('SCRIPT_DEBUG')) {
- common_debug('Waiting ' . POLL_INTERVAL .
- ' secs before hitting Twitter again.');
- }
-
- if (POLL_INTERVAL > 0) {
- sleep(POLL_INTERVAL);
- }
-
- } while (true);