+captive_usecount() to track no-files-open state of libcaptive

 - unused now; to be utilized for safe fs unmount-commit-remount points

diff --git a/src/libcaptive/client/usecount.c b/src/libcaptive/client/usecount.c
new file mode 100644 (file)
index 0000000..9c6cdcd
--- /dev/null
+++ b/src/libcaptive/client/usecount.c
@@ -0,0 +1,37 @@
+/* $Id$
+ * Usecounting for regular disk commits of libcaptive
+ * Copyright (C) 2003 Jan Kratochvil <project-captive@jankratochvil.net>
+ * 
+ * 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; exactly version 2 of June 1991 is required
+ * 
+ * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+
+#include "config.h"
+
+#include "captive/usecount.h"  /* self */
+#include <glib/gtypes.h>
+#include <glib/gmessages.h>
+
+
+static gint captive_usecount_number=0;
+
+void captive_usecount(gint balance)
+{
+       g_assert(captive_usecount_number>=0);
+
+       g_assert(captive_usecount_number+balance >= 0);
+       captive_usecount_number+=balance;
+
+       g_assert(captive_usecount_number>=0);
+}

diff --git a/src/libcaptive/include/captive/usecount.h b/src/libcaptive/include/captive/usecount.h
new file mode 100644 (file)
index 0000000..41c731e
--- /dev/null
+++ b/src/libcaptive/include/captive/usecount.h
@@ -0,0 +1,34 @@
+/* $Id$
+ * Include file for usecounting for regular disk commits of libcaptive
+ * Copyright (C) 2003 Jan Kratochvil <project-captive@jankratochvil.net>
+ * 
+ * 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; exactly version 2 of June 1991 is required
+ * 
+ * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+
+#ifndef _CAPTIVE_USECOUNT_H
+#define _CAPTIVE_USECOUNT_H 1
+
+
+#include <glib/gtypes.h>
+
+
+G_BEGIN_DECLS
+
+void captive_usecount(gint balance);
+
+G_END_DECLS
+
+
+#endif /* _CAPTIVE_USECOUNT_H */