SCM_CLASS_JOIN_TIMEOUT_EXCEPTION  210 ext/threads/threads.c             ScmObj e = Scm_MakeThreadException(SCM_CLASS_JOIN_TIMEOUT_EXCEPTION, target);
SCM_CLASS_JOIN_TIMEOUT_EXCEPTION  245 src/gauche/exception.h #define SCM_JOIN_TIMEOUT_EXCEPTION_P     SCM_ISA(obj, SCM_CLASS_JOIN_TIMEOUT_EXCEPTION)