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pty/src/lib.rs

@@ -190,6 +190,11 @@ impl Child for std::process::Child {
     fn kill(&mut self) -> IoResult<()> {
         #[cfg(unix)]
         {
+            // On unix, we send the SIGHUP signal instead of trying to kill
+            // the process. The default behavior of a process receiving this
+            // signal is to be killed unless it configured a signal handler.
+            // In this case the process is responsible of itself, releasing
+            // resources and terminating itself, or become a daemon.
             unsafe { libc::kill(self.id() as i32, libc::SIGHUP) };
             Ok(())
         }