musl - musl - an implementation of the standard library for Linux-based systems

diff --git a/include/pthread.h b/include/pthread.h
index bba9587e..e238321b 100644
--- a/include/pthread.h
+++ b/include/pthread.h

@@ -79,6 +79,9 @@ int pthread_detach(pthread_t);

_Noreturn void pthread_exit(void *);

int pthread_join(pthread_t, void **);

+#ifdef __GNUC__

+__attribute__((const))

+#endif

pthread_t pthread_self(void);

int pthread_equal(pthread_t, pthread_t);