_SC_SPIN_LOCKS 248 ext/etc/constdefs.h #if !defined(_SC_SPIN_LOCKS) _SC_SPIN_LOCKS 250 ext/etc/constdefs.h # define _SC_SPIN_LOCKS _SC_SPIN_LOCKS _SC_SPIN_LOCKS 1088 ext/etc/constdefs.h #if defined(_SC_SPIN_LOCKS) _SC_SPIN_LOCKS 1089 ext/etc/constdefs.h rb_define_const(mod, "SC_SPIN_LOCKS", INTEGER2NUM(_SC_SPIN_LOCKS));