From 5d91e54de45de528a933585aed1891fb1b24eec4 Mon Sep 17 00:00:00 2001
From: Michael Bayne <mdb@threerings.net>
Date: Wed, 14 Jun 2006 23:17:02 +0000
Subject: [PATCH] Spawn a thread to read output from the launched command for
 the few seconds that we linger following launch in case the command fails and
 generates output on stderr.

---
 .../threerings/getdown/launcher/Getdown.java  | 21 ++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/src/java/com/threerings/getdown/launcher/Getdown.java b/src/java/com/threerings/getdown/launcher/Getdown.java
index a1efc4b..0f48e6c 100644
--- a/src/java/com/threerings/getdown/launcher/Getdown.java
+++ b/src/java/com/threerings/getdown/launcher/Getdown.java
@@ -506,17 +506,36 @@ public abstract class Getdown extends Thread
                 // on Windows 98 and ME we need to stick around and read the
                 // output of stderr lest the process fill its output buffer and
                 // choke, yay!
+                final InputStream stderr = proc.getErrorStream();
                 if (LaunchUtil.mustMonitorChildren()) {
                     // close our window if it's around
                     disposeContainer();
                     _status = null;
-                    InputStream stderr = proc.getErrorStream();
                     BufferedReader reader = new BufferedReader(
                         new InputStreamReader(stderr));
                     while (reader.readLine() != null) {
                         // nothing doing!
                     }
                     Log.info("Process exited: " + proc.waitFor());
+                } else {
+                    // spawn a daemon thread that will catch the early bits of
+                    // stderr in case the launch fails
+                    Thread t = new Thread() {
+                        public void run () {
+                            try {
+                                BufferedReader reader = new BufferedReader(
+                                    new InputStreamReader(stderr));
+                                String line;
+                                while ((line = reader.readLine()) != null) {
+                                    Log.warning(line);
+                                }
+                            } catch (IOException ioe) {
+                                // oh well
+                            }
+                        }
+                    };
+                    t.setDaemon(true);
+                    t.start();
                 }
             }