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@ -17,11 +17,13 @@
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}
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define('PURGE_INTERVAL', 3600); // seconds
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define('MAX_CHILD_RUNTIME', 600); // seconds
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require_once "sanity_check.php";
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require_once "config.php";
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define('MAX_JOBS', 2);
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define('SPAWN_INTERVAL', 1);
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define('SPAWN_INTERVAL', DAEMON_SLEEP_INTERVAL);
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@ -41,6 +43,7 @@
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error_reporting(DEFAULT_ERROR_LEVEL);
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$children = array();
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$ctimes = array();
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$last_checkpoint = -1;
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@ -54,6 +57,7 @@
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array_push($tmp, $pid);
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} else {
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_debug("[SIGCHLD] child $pid reaped.");
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unset($ctimes[$pid]);
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}
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}
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@ -62,8 +66,17 @@
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return count($tmp);
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}
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function sigalrm_handler() {
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die("[SIGALRM] hang in feed update?\n");
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function check_ctimes() {
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global $ctimes;
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foreach (array_keys($ctimes) as $pid) {
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$started = $ctimes[$pid];
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if (time() - $started > MAX_CHILD_RUNTIME) {
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_debug("[MASTER] child process $pid seems to be stuck, aborting...");
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posix_kill($pid, SIGINT);
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}
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}
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}
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function sigchld_handler($signal) {
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@ -79,7 +92,6 @@
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die("[SIGINT] removing lockfile and exiting.\n");
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}
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pcntl_signal(SIGALRM, 'sigalrm_handler');
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pcntl_signal(SIGCHLD, 'sigchld_handler');
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if (file_is_locked("update_daemon.lock")) {
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@ -128,6 +140,7 @@
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if ($last_checkpoint + SPAWN_INTERVAL < time()) {
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check_ctimes();
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reap_children();
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for ($j = count($children); $j < MAX_JOBS; $j++) {
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@ -137,6 +150,7 @@
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} else if ($pid) {
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_debug("[MASTER] spawned client $j [PID:$pid]...");
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array_push($children, $pid);
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$ctimes[$pid] = time();
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} else {
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pcntl_signal(SIGCHLD, SIG_IGN);
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pcntl_signal(SIGINT, SIG_DFL);
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