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add workaround against shutdown() being called in child task context

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This commit is contained in:
Andrew Dolgov 2013-02-25 21:59:26 +04:00
parent f421fcd7e5
commit cfe6d444a9
1 changed files with 8 additions and 6 deletions
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14
update_daemon2.php
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@ -86,10 +86,12 @@
pcntl_waitpid(-1, $status, WNOHANG); pcntl_waitpid(-1, $status, WNOHANG);
} }
function shutdown() { function shutdown($caller_pid) {
if (file_exists(LOCK_DIRECTORY . "/update_daemon.lock")) { if ($caller_pid == posix_getpid()) {
_debug("removing lockfile (master)..."); if (file_exists(LOCK_DIRECTORY . "/update_daemon.lock")) {
unlink(LOCK_DIRECTORY . "/update_daemon.lock"); _debug("removing lockfile (master)...");
unlink(LOCK_DIRECTORY . "/update_daemon.lock");
}
} }
} }
@ -104,7 +106,7 @@
function sigint_handler() { function sigint_handler() {
_debug("[MASTER] SIG_INT received.\n"); _debug("[MASTER] SIG_INT received.\n");
shutdown(); shutdown(posix_getpid());
die; die;
} }
@ -162,7 +164,7 @@
if (!$master_handlers_installed) { if (!$master_handlers_installed) {
_debug("[MASTER] installing shutdown handlers"); _debug("[MASTER] installing shutdown handlers");
pcntl_signal(SIGINT, 'sigint_handler'); pcntl_signal(SIGINT, 'sigint_handler');
register_shutdown_function('shutdown'); register_shutdown_function('shutdown', posix_getpid());
$master_handlers_installed = true; $master_handlers_installed = true;
} }