1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
|
#[cfg(any(target_os = "android", target_os = "linux"))]
#[test]
fn test_eventfd() {
use rustix::io::{eventfd, read, write, EventfdFlags};
use std::mem::size_of;
use std::thread;
let efd = eventfd(0, EventfdFlags::CLOEXEC).unwrap();
let child = thread::spawn(move || {
for u in [1_u64, 3, 6, 11, 5000].iter() {
assert_eq!(write(&efd, &u.to_ne_bytes()).unwrap(), size_of::<u64>());
}
efd
});
let efd = child.join().unwrap();
let mut bytes = [0_u8; size_of::<u64>()];
let s = read(&efd, &mut bytes).unwrap();
assert_eq!(s, bytes.len());
let u = u64::from_ne_bytes(bytes);
assert_eq!(u, 5021);
}
|
