* thread_win32.c (InterlockedExchangePointer): old SDK support.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26237 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Mon Jan  4 09:30:25 2010  NAKAMURA Usaku  <usa@ruby-lang.org>
+
+	* thread_win32.c (InterlockedExchangePointer): old SDK support.
+
 Sun Jan  3 23:54:51 2010  Yuki Sonoda (Yugui)  <yugui@yugui.jp>
 
 	* trace.h: new file. wraps tracing mechanisms.

thread_win32.c

@@ -446,6 +446,10 @@ native_thread_init_stack(rb_thread_t *th)
     th->machine_stack_maxsize = size - space;
 }
 
+#ifndef InterlockedExchangePointer
+#define InterlockedExchangePointer(t, v) \
+    (void *)InterlockedExchange((long *)(t), (long)(v))
+#endif
 static void
 native_thread_destroy(rb_thread_t *th)
 {