static int apply_protect_sysctl(const Unit *u, const ExecContext *c) {
        assert(u);
        assert(c);

        /* Turn off the legacy sysctl() system call. Many distributions turn this off while building the kernel, but
         * let's protect even those systems where this is left on in the kernel. */

        if (!c->protect_kernel_tunables)
                return 0;

        if (skip_seccomp_unavailable(u, "ProtectKernelTunables="))
                return 0;

        return seccomp_protect_sysctl();
}
static int apply_protect_sysctl(const Unit *u, const ExecContext *c) {
        assert(u);
        assert(c);

         

        if (!c->protect_kernel_tunables)
                return 0;

        if (skip_seccomp_unavailable(u, "ProtectKernelTunables="))
                return 0;

        return seccomp_protect_sysctl();
}