From 4782d743ed4e48ac5a6904caa2902e636a96366e Mon Sep 17 00:00:00 2001
From: Richard Frith-MacDonald <rfm@gnu.org>
Date: Tue, 25 Jun 2013 09:05:00 +0000
Subject: [PATCH] fix segfault when no threads are configuredb ... should use
 main thread.

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/performance/trunk@36752 72102866-910b-0410-8b05-ffd578937521
---
 GSIOThreadPool.m | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/GSIOThreadPool.m b/GSIOThreadPool.m
index 03e661b..1fbfd8d 100644
--- a/GSIOThreadPool.m
+++ b/GSIOThreadPool.m
@@ -145,8 +145,13 @@ best(NSMutableArray *a)
   GSIOThread	*t;
 
   [poolLock lock];
+  if (0 == maxThreads)
+    {
+      [poolLock unlock];
+      return [NSThread mainThread];
+    }
   t = best(threads);
-  if (t->count > 0 && [threads count] < maxThreads)
+  if (nil == t || (t->count > 0 && [threads count] < maxThreads))
     {
       t = [GSIOThread new];
       [threads addObject: t];