PR_SPEC_NOT_AFFECTED	0
PR_SPEC_PRCTL		(1 << 0)
PR_SPEC_ENABLE		(1 << 1)
PR_SPEC_DISABLE		(1 << 2)
PR_SPEC_FORCE_DISABLE	(1 << 3)
PR_SPEC_DISABLE_NOEXEC	(1 << 4)