1 files changed, 3 insertions, 0 deletions
diff --git a/src/lib/evloop/compat_libevent.h b/src/lib/evloop/compat_libevent.h
index afe887a013..92724c369c 100644
--- a/src/lib/evloop/compat_libevent.h
+++ b/src/lib/evloop/compat_libevent.h
@@ -13,6 +13,8 @@
 #include "lib/testsupport/testsupport.h"
 #include "lib/malloc/malloc.h"
 
+#include <stdbool.h>
+
 void configure_libevent_logging(void);
 void suppress_libevent_log_msg(const char *msg);
 
@@ -68,6 +70,7 @@ typedef struct tor_libevent_cfg {
 } tor_libevent_cfg;
 
 void tor_libevent_initialize(tor_libevent_cfg *cfg);
+bool tor_libevent_is_initialized(void);
 MOCK_DECL(struct event_base *, tor_libevent_get_base, (void));
 const char *tor_libevent_get_method(void);
 void tor_check_libevent_header_compatibility(void);