vol_id: fix language in manpage

[elogind.git] / udev / udevd.c

diff --git a/udev/udevd.c b/udev/udevd.c
index c764b33b0ad2ca1856dba74d97523cb26b11a2f1..291655ef000132c677138109140d729892045343 100644 (file)
--- a/udev/udevd.c
+++ b/udev/udevd.c
@@ -1,6 +1,8 @@
 /*
  * Copyright (C) 2004-2008 Kay Sievers <kay.sievers@vrfy.org>
  * Copyright (C) 2004 Chris Friesen <chris_friesen@sympatico.ca>
+ * Copyright (C) 2009 Canonical Ltd.
+ * Copyright (C) 2009 Scott James Remnant <scott@netsplit.com>
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -69,6 +71,7 @@ static volatile int sigchilds_waiting;
 static volatile int udev_exit;
 static volatile int reload_config;
 static volatile int signal_received;
+static volatile pid_t settle_pid;
 static int run_exec_q;
 static int stop_exec_q;
 static int max_childs;
@@ -215,9 +218,6 @@ static void event_fork(struct udev_event *event)
                /* set timeout to prevent hanging processes */
                alarm(UDEV_EVENT_TIMEOUT);
 
-               /* clear any existing udev watch on the node */
-               udev_watch_end(event->udev, event->dev);
-
                /* apply rules, create node, symlinks */
                err = udev_event_execute_rules(event, rules);
 
@@ -230,9 +230,10 @@ static void event_fork(struct udev_event *event)
                        udev_event_execute_run(event);
 
                /* apply/restore inotify watch */
-               if (err == 0 && event->inotify_watch &&
-                   strcmp(udev_device_get_action(event->dev), "remove") != 0)
+               if (err == 0 && event->inotify_watch) {
                        udev_watch_begin(event->udev, event->dev);
+                       udev_device_update_db(event->dev);
+               }
 
                info(event->udev, "seq %llu exit with %i\n", udev_device_get_seqnum(event->dev), err);
                logging_close();
@@ -515,6 +516,11 @@ static void handle_ctrl_msg(struct udev_ctrl *uctrl)
                info(udev, "udevd message (SET_MAX_CHILDS) received, max_childs=%i\n", i);
                max_childs = i;
        }
+
+       settle_pid = udev_ctrl_get_settle(ctrl_msg);
+       if (settle_pid > 0) {
+               info(udev, "udevd message (SETTLE) received\n");
+       }
        udev_ctrl_msg_unref(ctrl_msg);
 }
 
@@ -538,10 +544,16 @@ static int handle_inotify(struct udev *udev)
 
        read(inotify_fd, buf, nbytes);
 
-       for (pos = 0, ev = (struct inotify_event *)(buf + pos); pos < nbytes; pos += sizeof(struct inotify_event) + ev->len) {
+       for (pos = 0; pos < nbytes; pos += sizeof(struct inotify_event) + ev->len) {
                struct udev_device *dev;
 
-               dbg(udev, "inotify event: %x for %d (%s)\n", ev->mask, ev->wd, ev->len ? ev->name : "*");
+               ev = (struct inotify_event *)(buf + pos);
+               if (ev->len) {
+                       dbg(udev, "inotify event: %x for %s\n", ev->mask, ev->name);
+                       reload_config = 1;
+                       continue;
+               }
+
                dev = udev_watch_lookup(udev, ev->wd);
                if (dev != NULL) {
                        dbg(udev, "inotify event: %x for %s\n", ev->mask, udev_device_get_devnode(dev));
@@ -561,9 +573,8 @@ static int handle_inotify(struct udev *udev)
                                udev_watch_end(udev, dev);
 
                        udev_device_unref(dev);
-               } else {
-                       reload_config = 1;
                }
+
        }
 
        free (buf);
@@ -1020,6 +1031,11 @@ handle_signals:
                        if (!stop_exec_q)
                                event_queue_manager(udev);
                }
+
+               if (settle_pid > 0) {
+                       kill(settle_pid, SIGUSR1);
+                       settle_pid = 0;
+               }
        }
        cleanup_queue_dir(udev);
        rc = 0;