1 files changed, 20 insertions, 0 deletions
diff --git a/epoch.h b/epoch.h
new file mode 100644
index 0000000000..585110bdd6
--- /dev/null
+++ b/epoch.h
@@ -0,0 +1,20 @@
+#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);
+
+#define UNINTERESTING  (1u<<2)
+#define BOUNDARY       (1u<<3)
+#define VISITED        (1u<<4)
+#define DISCONTINUITY  (1u<<5)
+#define DUPCHECK       (1u<<6)
+
+
+#endif				/* EPOCH_H */