Sha256: fac610e464660c196a35ce15a46c9ebf537d3f3475cfc633e58c76c25eb558fe
Contents?: true
Size: 1 KB
Versions: 83
Compression:
Stored size: 1 KB
Contents
use crate::runtime::park;
use crate::runtime::tests::loom_oneshot as oneshot;
use crate::runtime::{self, Runtime};
#[test]
fn yield_calls_park_before_scheduling_again() {
// Don't need to check all permutations
let mut loom = loom::model::Builder::default();
loom.max_permutations = Some(1);
loom.check(|| {
let rt = mk_runtime(2);
let (tx, rx) = oneshot::channel::<()>();
rt.spawn(async {
let tid = loom::thread::current().id();
let park_count = park::current_thread_park_count();
crate::task::yield_now().await;
if tid == loom::thread::current().id() {
let new_park_count = park::current_thread_park_count();
assert_eq!(park_count + 1, new_park_count);
}
tx.send(());
});
rx.recv();
});
}
fn mk_runtime(num_threads: usize) -> Runtime {
runtime::Builder::new_multi_thread()
.worker_threads(num_threads)
.build()
.unwrap()
}
Version data entries
83 entries across 39 versions & 1 rubygems