diff --git a/include/common/hathreads.h b/include/common/hathreads.h
index d2fd400..c5be9b2 100644
--- a/include/common/hathreads.h
+++ b/include/common/hathreads.h
@@ -948,6 +948,9 @@
 #define __ha_barrier_full __sync_synchronize
 #endif
 
+void ha_spin_init(HA_SPINLOCK_T *l);
+void ha_rwlock_init(HA_RWLOCK_T *l);
+
 #endif /* USE_THREAD */
 
 static inline void __ha_compiler_barrier(void)
diff --git a/src/hathreads.c b/src/hathreads.c
index 075866a..eb3eb59 100644
--- a/src/hathreads.c
+++ b/src/hathreads.c
@@ -92,6 +92,18 @@
 	thread_harmless_end();
 }
 
+/* these calls are used as callbacks at init time */
+void ha_spin_init(HA_SPINLOCK_T *l)
+{
+	HA_SPIN_INIT(l);
+}
+
+/* these calls are used as callbacks at init time */
+void ha_rwlock_init(HA_RWLOCK_T *l)
+{
+	HA_RWLOCK_INIT(l);
+}
+
 __attribute__((constructor))
 static void __hathreads_init(void)
 {