1 files changed, 93 insertions, 0 deletions
diff --git a/bus/dir-watch-dnotify.c b/bus/dir-watch-dnotify.c
new file mode 100644
index 00000000..b38d7d19
--- /dev/null
+++ b/bus/dir-watch-dnotify.c
@@ -0,0 +1,93 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+/* dir-watch-dnotify.c  OS specific directory change notification for message bus
+ *
+ * Copyright (C) 2003 Red Hat, Inc.
+ *
+ * Licensed under the Academic Free License version 2.1
+ * 
+ * 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
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#include <config.h>
+
+#define _GNU_SOURCE
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#ifdef HAVE_ERRNO_H
+#include <errno.h>
+#endif
+
+#include <dbus/dbus-internals.h>
+#include "dir-watch.h"
+
+#define MAX_DIRS_TO_WATCH 128
+
+/* use a static array to avoid handling OOM */
+static int fds[MAX_DIRS_TO_WATCH];
+static int num_fds = 0;
+
+void
+bus_watch_directory (const char *dir, BusContext *context)
+{
+  int fd;
+
+  _dbus_assert (dir != NULL);
+
+  if (num_fds >= MAX_DIRS_TO_WATCH )
+    {
+      _dbus_warn ("Cannot watch config directory '%s'. Already watching %d directories\n", dir, MAX_DIRS_TO_WATCH);
+      goto out;
+    }
+
+  fd = open (dir, O_RDONLY);
+  if (fd < 0)
+    {
+      _dbus_warn ("Cannot open directory '%s'; error '%s'\n", dir, _dbus_strerror (errno));
+      goto out;
+    }
+
+  if (fcntl (fd, F_NOTIFY, DN_CREATE|DN_DELETE|DN_RENAME|DN_MODIFY) == -1)
+    {
+      _dbus_warn ("Cannot setup D_NOTIFY for '%s' error '%s'\n", dir, _dbus_strerror (errno));
+      close (fd);
+      goto out;
+    }
+  
+  fds[num_fds++] = fd;
+  _dbus_verbose ("Added watch on config directory '%s'\n", dir);
+
+ out:
+  ;
+}
+
+void 
+bus_drop_all_directory_watches (void)
+{
+  int i;
+ 
+  _dbus_verbose ("Dropping all watches on config directories\n");
+ 
+  for (i = 0; i < num_fds; i++)
+    {
+      if (close (fds[i]) != 0)
+	{
+	  _dbus_verbose ("Error closing fd %d for config directory watch\n", fds[i]);
+	}
+    }
+  
+  num_fds = 0;
+}