PR_GET_SPECULATION_CTRL(2const) PR_GET_SPECULATION_CTRL(2const) PR_GET_SPECULATION_CTRL - (libc -lc) #include /* PR_* */ #include int prctl(PR_GET_SPECULATION_CTRL, long misfeature, 0L, 0L, 0L); misfeature. misfeature : PR_SPEC_STORE_BYPASS . PR_SPEC_INDIRECT_BRANCH ( 4.20) . 0-4 : PR_SPEC_PRCTL PR_SET_SPECULATION_CTRL(2const). PR_SPEC_ENABLE (speculation) . PR_SPEC_DISABLE (speculation) . PR_SPEC_FORCE_DISABLE PR_SPEC_DISABLE . PR_SPEC_DISABLE_NOEXEC ( 5.1) PR_SPEC_DISABLE execve(2). 0 . PR_SPEC_PRCTL . PR_SET_SPECULATION_CTRL(2const) . PR_GET_SPECULATION_CTRL . -1 errno . ENODEV . . 4.17. prctl(2), PR_SET_SPECULATION_CTRL(2const) 3 . . : . 6.18 8 2026 PR_GET_SPECULATION_CTRL(2const)