#endif
}
+#if defined(LISP_FEATURE_MACH_EXCEPTION_HANDLER)
+#define THREAD_STRUCT_TO_EXCEPTION_PORT(th) ((mach_port_t) th)
+#define EXCEPTION_PORT_TO_THREAD_STRUCT(th) ((struct thread *) th)
+#endif
+
#if defined(LISP_FEATURE_SB_THREAD)
#define thread_self pthread_self
#define thread_kill pthread_kill