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Add test for FUTEX_*_BITSET.

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This commit is contained in:
Mara Bos 2022-04-06 23:48:26 +02:00
parent 53ed500c92
commit 5581e33806
1 changed files with 48 additions and 0 deletions
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48
tests/run-pass/concurrency/linux-futex.rs
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@ -160,6 +160,53 @@ fn wait_wake() {
assert!((200..1000).contains(&start.elapsed().as_millis()));
}
fn wait_wake_bitset() {
let start = Instant::now();
static FUTEX: i32 = 0;
thread::spawn(move || {
thread::sleep(Duration::from_millis(200));
unsafe {
assert_eq!(libc::syscall(
libc::SYS_futex,
&FUTEX as *const i32,
libc::FUTEX_WAKE_BITSET,
10, // Wake up at most 10 threads.
0,
0,
0b1001, // bitset
), 0); // Didn't match any thread.
}
thread::sleep(Duration::from_millis(200));
unsafe {
assert_eq!(libc::syscall(
libc::SYS_futex,
&FUTEX as *const i32,
libc::FUTEX_WAKE_BITSET,
10, // Wake up at most 10 threads.
0,
0,
0b0110, // bitset
), 1); // Woken up one thread.
}
});
unsafe {
assert_eq!(libc::syscall(
libc::SYS_futex,
&FUTEX as *const i32,
libc::FUTEX_WAIT_BITSET,
0,
ptr::null::<libc::timespec>(),
0,
0b0100, // bitset
), 0);
}
assert!((400..1000).contains(&start.elapsed().as_millis()));
}
fn main() {
wake_nobody();
wake_dangling();
@ -167,4 +214,5 @@ fn main() {
wait_timeout();
wait_absolute_timeout();
wait_wake();
wait_wake_bitset();
}