Merge pull request #429 from sigmaSd/p

Exit gracefully when there is a broken pipe error

Author: cyqsimon

CHANGELOG.md

@@ -9,6 +9,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 ### Fixed
 
 * CI: Use Powershell Compress-Archive to create Windows binary zip #424 - @cyqsimon
+* Exit gracefully when there is a broken pipe error #429 - @sigmaSd
 
 ## [0.23.0] - 2024-08-17
 

src/os/shared.rs

@@ -83,8 +83,14 @@ fn get_interface(interface_name: &str) -> Option<NetworkInterface> {
 fn create_write_to_stdout() -> Box<dyn FnMut(String) + Send> {
     let mut stdout = io::stdout();
     Box::new({
-        move |output: String| {
-            writeln!(stdout, "{}", output).unwrap();
+        move |output: String| match writeln!(stdout, "{}", output) {
+            Ok(_) => (),
+            Err(e) if e.kind() == ErrorKind::BrokenPipe => {
+                // A process that was listening to bandwhich stdout has exited
+                // We can't do much here, lets just exit as well
+                std::process::exit(0)
+            }
+            Err(e) => panic!("Failed to write to stdout: {e}"),
         }
     })
 }