$OpenBSD: patch-pthread_stop_world_c,v 1.1 2008/04/01 17:41:13 kurt Exp $
--- pthread_stop_world.c.orig	Thu Feb  7 09:37:25 2008
+++ pthread_stop_world.c	Thu Feb  7 09:37:41 2008
@@ -1,7 +1,7 @@
 #include "private/pthread_support.h"
 
 #if defined(GC_PTHREADS) && !defined(GC_WIN32_THREADS) && \
-    !defined(GC_DARWIN_THREADS)
+    !defined(GC_DARWIN_THREADS) && !defined(GC_OPENBSD_THREADS)
 
 #include <signal.h>
 #include <semaphore.h>