! taken from xalan-c CVS
--- samples/ThreadSafe/ThreadSafe.cpp.orig	Sun Feb 29 21:07:39 2004
+++ samples/ThreadSafe/ThreadSafe.cpp	Sun Feb 29 21:07:55 2004
@@ -95,7 +95,7 @@
 #elif defined(XALAN_POSIX2_AVAILABLE)
 #include <pthread.h>
 #include <unistd.h>
-    typedef   unsigned long     theThreadIDType;
+    typedef   pthread_t         theThreadIDType;
     typedef   pthread_t         theThreadType;
 
 #else