static void signal_handler (int sig) { switch (sig) { #ifdef DBUS_BUS_ENABLE_DNOTIFY_ON_LINUX case SIGIO: /* explicit fall-through */ #endif /* DBUS_BUS_ENABLE_DNOTIFY_ON_LINUX */ #ifdef SIGHUP case SIGHUP: { DBusString str; _dbus_string_init_const (&str, "foo"); if ((reload_pipe[RELOAD_WRITE_END] > 0) && !_dbus_write_socket (reload_pipe[RELOAD_WRITE_END], &str, 0, 1)) { _dbus_warn ("Unable to write to reload pipe.\n"); close_reload_pipe (); } } break; #endif } }
static dbus_bool_t handle_reload_watch (DBusWatch *watch, unsigned int flags, void *data) { DBusError error; DBusString str; _dbus_string_init (&str); if ((reload_pipe[RELOAD_READ_END] > 0) && _dbus_read_socket (reload_pipe[RELOAD_READ_END], &str, 1) != 1) { _dbus_warn ("Couldn't read from reload pipe.\n"); close_reload_pipe (); return TRUE; } _dbus_string_free (&str); /* this can only fail if we don't understand the config file * or OOM. Either way we should just stick with the currently * loaded config. */ dbus_error_init (&error); if (! bus_context_reload_config (context, &error)) { _DBUS_ASSERT_ERROR_IS_SET (&error); _dbus_assert (dbus_error_has_name (&error, DBUS_ERROR_FAILED) || dbus_error_has_name (&error, DBUS_ERROR_NO_MEMORY)); _dbus_warn ("Unable to reload configuration: %s\n", error.message); dbus_error_free (&error); } return TRUE; }
static dbus_bool_t handle_reload_watch (DBusWatch *watch, unsigned int flags, void *data) { DBusError error; DBusString str; char *action_str; char action = '\0'; while (!_dbus_string_init (&str)) _dbus_wait_for_memory (); if ((reload_pipe[RELOAD_READ_END] > 0) && _dbus_read_socket (reload_pipe[RELOAD_READ_END], &str, 1) != 1) { _dbus_warn ("Couldn't read from reload pipe.\n"); close_reload_pipe (&watch); return TRUE; } action_str = _dbus_string_get_data (&str); if (action_str != NULL) { action = action_str[0]; } _dbus_string_free (&str); /* this can only fail if we don't understand the config file * or OOM. Either way we should just stick with the currently * loaded config. */ dbus_error_init (&error); switch (action) { case ACTION_RELOAD: if (! bus_context_reload_config (context, &error)) { _DBUS_ASSERT_ERROR_IS_SET (&error); _dbus_assert (dbus_error_has_name (&error, DBUS_ERROR_FAILED) || dbus_error_has_name (&error, DBUS_ERROR_NO_MEMORY)); _dbus_warn ("Unable to reload configuration: %s\n", error.message); dbus_error_free (&error); } break; case ACTION_QUIT: { DBusLoop *loop; /* * On OSs without abstract sockets, we want to quit * gracefully rather than being killed by SIGTERM, * so that DBusServer gets a chance to clean up the * sockets from the filesystem. fd.o #38656 */ loop = bus_context_get_loop (context); if (loop != NULL) { _dbus_loop_quit (loop); } } break; default: break; } return TRUE; }