#ifndef LTHREAD_DIAG_API_H_
#define LTHREAD_DIAG_API_H_
+#ifdef __cplusplus
+extern "C" {
+#endif
+
#include <stdint.h>
#include <inttypes.h>
uint64_t
lthread_mutex_diag_ref(struct lthread_mutex *m);
+#ifdef __cplusplus
+}
+#endif
+
#endif /* LTHREAD_DIAG_API_H_ */