mirror of
https://github.com/rust-lang/rust.git
synced 2024-12-11 08:05:12 +00:00
28 lines
693 B
Rust
28 lines
693 B
Rust
// run-pass
|
|
// ignore-windows - this is a unix-specific test
|
|
// ignore-emscripten
|
|
// ignore-sgx
|
|
// ignore-musl - returns dummy result for _SC_NGROUPS_MAX
|
|
// ignore-nto - does not have `/bin/id`, expects groups to be i32 (not u32)
|
|
|
|
#![feature(rustc_private)]
|
|
#![feature(setgroups)]
|
|
|
|
extern crate libc;
|
|
use std::process::Command;
|
|
use std::os::unix::process::CommandExt;
|
|
|
|
fn main() {
|
|
#[cfg(unix)]
|
|
run()
|
|
}
|
|
|
|
#[cfg(unix)]
|
|
fn run() {
|
|
let max_ngroups = unsafe { libc::sysconf(libc::_SC_NGROUPS_MAX) };
|
|
let max_ngroups = max_ngroups as u32 + 1;
|
|
let vec: Vec<u32> = (0..max_ngroups).collect();
|
|
let p = Command::new("/bin/id").groups(&vec[..]).spawn();
|
|
assert!(p.is_err());
|
|
}
|