1 files changed, 42 insertions, 0 deletions
diff --git a/src/app/main/tor_main.c b/src/app/main/tor_main.c
new file mode 100644
index 0000000000..8c497fff8a
--- /dev/null
+++ b/src/app/main/tor_main.c
@@ -0,0 +1,42 @@
+/* Copyright 2001-2004 Roger Dingledine.
+ * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
+ * Copyright (c) 2007-2018, The Tor Project, Inc. */
+/* See LICENSE for licensing information */
+
+#include "orconfig.h"
+#ifdef ENABLE_RESTART_DEBUGGING
+#include <stdlib.h>
+#endif
+
+/**
+ * \file tor_main.c
+ * \brief Stub module containing a main() function.
+ *
+ * We keep the main function in a separate module so that the unit
+ * tests, which have their own main()s, can link against main.c.
+ **/
+
+int tor_main(int argc, char *argv[]);
+
+/** We keep main() in a separate file so that our unit tests can use
+ * functions from main.c.
+ */
+int
+main(int argc, char *argv[])
+{
+  int r;
+#ifdef ENABLE_RESTART_DEBUGGING
+  int restart_count = getenv("TOR_DEBUG_RESTART") ? 1 : 0;
+ again:
+#endif
+  r = tor_main(argc, argv);
+  if (r < 0 || r > 255)
+    return 1;
+#ifdef ENABLE_RESTART_DEBUGGING
+  else if (r == 0 && restart_count--)
+    goto again;
+#endif
+  else
+    return r;
+}
+