1 files changed, 52 insertions, 0 deletions
diff --git a/libglusterfs/src/event-history.h b/libglusterfs/src/event-history.h
new file mode 100644
index 00000000000..c6e8fb4fa86
--- /dev/null
+++ b/libglusterfs/src/event-history.h
@@ -0,0 +1,52 @@
+/*
+  Copyright (c) 2012 Gluster, Inc. <http://www.gluster.com>
+  This file is part of GlusterFS.
+
+  GlusterFS 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 3 of the License,
+  or (at your option) any later version.
+
+  GlusterFS 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, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _EH_H
+#define _EH_H
+
+#ifndef _CONFIG_H
+#define _CONFIG_H
+#include "config.h"
+#endif
+
+#include "mem-types.h"
+#include "circ-buff.h"
+
+struct event_hist
+{
+        buffer_t *buffer;
+        pthread_mutex_t lock;
+};
+
+typedef struct event_hist eh_t;
+
+void
+eh_dump (eh_t *event , void *data,
+         int (fn) (circular_buffer_t *buffer, void *data));
+
+eh_t *
+eh_new (size_t buffer_size, gf_boolean_t use_buffer_once);
+
+int
+eh_save_history (eh_t *history, void *string);
+
+int
+eh_destroy (eh_t *history);
+
+#endif /* _EH_H */