From 6d9515578fa43251b319d839f7ed83e47c648e50 Mon Sep 17 00:00:00 2001
From: "Wang, Yi A" <yi.a.wang@intel.com>
Date: Fri, 27 Sep 2024 18:35:39 -0700
Subject: [PATCH] break when there's nothing to read

Signed-off-by: Wang, Yi A <yi.a.wang@intel.com>
---
 launcher/src/main.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/launcher/src/main.rs b/launcher/src/main.rs
index 583220a6..b9da1714 100644
--- a/launcher/src/main.rs
+++ b/launcher/src/main.rs
@@ -922,6 +922,8 @@ fn shard_manager(
             if let Ok(n) = stdin.read(&mut buffer) {
                 if n > 0 {
                     let _ = pstdin.write_all(&buffer[..n]);
+                } else {
+                    break;
                 }
             }
         }
@@ -1063,6 +1065,8 @@ fn log_lines<R: Sized + Read>(mut bufread: BufReader<R>) {
                         }
                     }
                 }
+            } else {
+                break;
             }
         }
     }