#ifdef LISP_FEATURE_SB_SAFEPOINT
void thread_in_safety_transition(os_context_t *ctx);
void thread_in_lisp_raised(os_context_t *ctx);
#ifdef LISP_FEATURE_SB_SAFEPOINT
void thread_in_safety_transition(os_context_t *ctx);
void thread_in_lisp_raised(os_context_t *ctx);