_SC_THREADS 323 ext/etc/constdefs.h #if !defined(_SC_THREADS) _SC_THREADS 325 ext/etc/constdefs.h # define _SC_THREADS _SC_THREADS _SC_THREADS 1133 ext/etc/constdefs.h #if defined(_SC_THREADS) _SC_THREADS 1134 ext/etc/constdefs.h rb_define_const(mod, "SC_THREADS", INTEGER2NUM(_SC_THREADS));