pcntl_waitpid(-1, $status, WNOHANG);
}
- function shutdown() {
- if (file_exists(LOCK_DIRECTORY . "/update_daemon.lock"))
- unlink(LOCK_DIRECTORY . "/update_daemon.lock");
+ function shutdown($caller_pid) {
+ if ($caller_pid == posix_getpid()) {
+ if (file_exists(LOCK_DIRECTORY . "/update_daemon.lock")) {
+ _debug("removing lockfile (master)...");
+ unlink(LOCK_DIRECTORY . "/update_daemon.lock");
+ }
+ }
}
function task_shutdown() {
$pid = posix_getpid();
- if (file_exists(LOCK_DIRECTORY . "/update_daemon-$pid.lock"))
+ if (file_exists(LOCK_DIRECTORY . "/update_daemon-$pid.lock")) {
+ _debug("removing lockfile ($pid)...");
unlink(LOCK_DIRECTORY . "/update_daemon-$pid.lock");
+ }
}
function sigint_handler() {
- shutdown();
- die("[SIGINT] removing lockfile and exiting.\n");
+ _debug("[MASTER] SIG_INT received.\n");
+ shutdown(posix_getpid());
+ die;
}
function task_sigint_handler() {
+ _debug("[TASK] SIG_INT received.\n");
task_shutdown();
- die("[SIGINT] removing lockfile and exiting.\n");
+ die;
}
pcntl_signal(SIGCHLD, 'sigchld_handler');
if (!$master_handlers_installed) {
_debug("[MASTER] installing shutdown handlers");
pcntl_signal(SIGINT, 'sigint_handler');
- register_shutdown_function('shutdown');
+ register_shutdown_function('shutdown', posix_getpid());
$master_handlers_installed = true;
}
// We disable stamp file, since it is of no use in a multiprocess update.
// not really, tho for the time being -fox
if (!make_stampfile('update_daemon.stamp')) {
- print "warning: unable to create stampfile";
+ die("error: unable to create stampfile\n");
}
// Call to the feed batch update function