1 files changed, 44 insertions, 0 deletions
diff --git a/libglusterfs/src/event-history.h b/libglusterfs/src/event-history.h
new file mode 100644
index 000000000..b64f63b5e
--- /dev/null
+++ b/libglusterfs/src/event-history.h
@@ -0,0 +1,44 @@
+/*
+  Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com>
+  This file is part of GlusterFS.
+
+  This file is licensed to you under your choice of the GNU Lesser
+  General Public License, version 3 or any later version (LGPLv3 or
+  later), or the GNU General Public License, version 2 (GPLv2), in all
+  cases as published by the Free Software Foundation.
+*/
+
+#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,
+        void (*destroy_data) (void *data));
+
+int
+eh_save_history (eh_t *history, void *string);
+
+int
+eh_destroy (eh_t *history);
+
+#endif /* _EH_H */