_SC_SIGQUEUE_MAX  553 ext/etc/constdefs.h #if !defined(_SC_SIGQUEUE_MAX)
_SC_SIGQUEUE_MAX  555 ext/etc/constdefs.h #  define _SC_SIGQUEUE_MAX _SC_SIGQUEUE_MAX
_SC_SIGQUEUE_MAX 1271 ext/etc/constdefs.h #if defined(_SC_SIGQUEUE_MAX)
_SC_SIGQUEUE_MAX 1272 ext/etc/constdefs.h     rb_define_const(mod, "SC_SIGQUEUE_MAX", INTEGER2NUM(_SC_SIGQUEUE_MAX));