1 files changed, 20 insertions, 0 deletions
diff --git a/src/common/util.h b/src/common/util.h
new file mode 100644
index 000000000..bc880d24e
--- /dev/null
+++ b/src/common/util.h
@@ -0,0 +1,20 @@
+/* Copyright 2003 Roger Dingledine */
+/* See LICENSE for licensing information */
+/* $Id$ */
+
+#ifndef __UTIL_H
+#define __UTIL_H
+
+#include <sys/time.h>
+
+/* Same as gettimeofday, but no need to check exit value. */
+void my_gettimeofday(struct timeval *timeval);
+/* Returns the number of microseconds between start and end.  Requires that
+ * end >= start, and that the number of microseconds < LONG_MAX. */
+long tv_udiff(struct timeval *start, struct timeval *end);
+
+void tv_addms(struct timeval *a, long ms);
+void tv_add(struct timeval *a, struct timeval *b);
+int tv_cmp(struct timeval *a, struct timeval *b);
+
+#endif