Declare relay/dirauth subsystem levels in a header.

This way, we can't get out of sync between the two declarations.

3 files changed, 10 insertions, 2 deletions

diff --git a/src/feature/relay/relay_stub.c b/src/feature/relay/relay_stub.c
index a23b991862..36daaa7bd7 100644
--- a/src/feature/relay/relay_stub.c
+++ b/src/feature/relay/relay_stub.c
@@ -16,5 +16,5 @@
 const struct subsys_fns_t sys_relay = {
   .name = "relay",
   .supported = false,
-  .level = 50,
+  .level = RELAY_SUBSYS_LEVEL,
 };
diff --git a/src/feature/relay/relay_sys.c b/src/feature/relay/relay_sys.c
index 106e88b2a5..dfddff27f2 100644
--- a/src/feature/relay/relay_sys.c
+++ b/src/feature/relay/relay_sys.c
@@ -42,7 +42,7 @@ subsys_relay_shutdown(void)
 const struct subsys_fns_t sys_relay = {
   .name = "relay",
   .supported = true,
-  .level = 50,
+  .level = RELAY_SUBSYS_LEVEL,
   .initialize = subsys_relay_initialize,
   .shutdown = subsys_relay_shutdown,
 };
diff --git a/src/feature/relay/relay_sys.h b/src/feature/relay/relay_sys.h
index 32e21d90d8..ba3b5ccf4e 100644
--- a/src/feature/relay/relay_sys.h
+++ b/src/feature/relay/relay_sys.h
@@ -14,4 +14,12 @@
 
 extern const struct subsys_fns_t sys_relay;
 
+/**
+ * Subsystem level for the relay system.
+ *
+ * Defined here so that it can be shared between the real and stub
+ * definitions.
+ **/
+#define RELAY_SUBSYS_LEVEL 50
+
 #endif /* !defined(TOR_FEATURE_RELAY_RELAY_SYS_H) */