加入少量轮询

2024-07-06 17:13:32 +08:00
parent c21a73f950
commit df4795c9c4
1 changed files with 5 additions and 0 deletions
@@ -105,11 +105,16 @@ fn start_simple0(
            if event.token() == STOP {
                return Ok(());
            }
+            let mut retries = 0;
            loop {
                let len = match fd.read(&mut buf[start..]) {
                    Ok(len) => len + start,
                    Err(e) => {
                        if e.kind() == io::ErrorKind::WouldBlock {
+                            retries += 1;
+                            if retries < 8 {
+                                continue;
+                            }
                            break;
                        }
                        Err(e)?