SCM_CLASS_CONDITION_VARIABLE  339 ext/threads/mutex.c     ScmObj cv = cv_allocate(SCM_CLASS_CONDITION_VARIABLE, SCM_NIL);
SCM_CLASS_CONDITION_VARIABLE   71 ext/threads/threads.h #define SCM_CONDITION_VARIABLE_P(obj) SCM_XTYPEP(obj, SCM_CLASS_CONDITION_VARIABLE)