1 files changed, 24 insertions, 0 deletions
diff --git a/vendor/rustix/tests/io/eventfd.rs b/vendor/rustix/tests/io/eventfd.rs
new file mode 100644
index 000000000..11bc8ae55
--- /dev/null
+++ b/vendor/rustix/tests/io/eventfd.rs
@@ -0,0 +1,24 @@
+#[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);
+}