)
long ret = linux_syscall(arch.seccomp, bogusArg);
if (ret !...(VALID, BOGUS)
ret = linux_syscall(arch.seccomp, SECCOMP_SET_MODE_FILTER, bogusArg);...}
}
// check for SECCOMP_MODE_FILTER
if (linux_prctl(PR_SET_SECCOMP, SECCOMP_MODE_FILTER...// first try it with seccomp(SECCOMP_SET_MODE_FILTER), falling back to prctl()
if (linux_syscall...if (linux_prctl(PR_GET_SECCOMP, 0, 0, 0, 0) !