1 files changed, 21 insertions, 0 deletions
diff --git a/epoch.h b/epoch.h
new file mode 100644
index 0000000000..7493d5a241
--- /dev/null
+++ b/epoch.h
@@ -0,0 +1,21 @@
+#ifndef EPOCH_H
+#define EPOCH_H
+
+
+// return codes for emitter_func
+#define STOP     0
+#define CONTINUE 1
+#define DO       2
+typedef int (*emitter_func) (struct commit *); 
+
+int sort_list_in_merge_order(struct commit_list *list, emitter_func emitter);
+
+/* Low bits are used by rev-list */
+#define UNINTERESTING   (1u<<10)
+#define BOUNDARY        (1u<<11)
+#define VISITED         (1u<<12)
+#define DISCONTINUITY   (1u<<13)
+#define LAST_EPOCH_FLAG (1u<<14)
+
+
+#endif	/* EPOCH_H */