From de6d21a3818a7fac384f1912ee3813d77cba1370 Mon Sep 17 00:00:00 2001
From: usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 30 Oct 2009 04:01:46 +0000
Subject: [PATCH] * thread.c (rb_thread_blocking_region): standard C doesn't
 accept   preprosessing directive within macro expansion.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25567 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 thread.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/thread.c b/thread.c
index ce2c3829bd..4771c5d0db 100644
--- a/thread.c
+++ b/thread.c
@@ -1097,15 +1097,17 @@ rb_thread_blocking_region(
 	data2 = th;
     }
 
-    BLOCKING_REGION({
 #if PROHIBIT_FUNCTION_CAST
+    BLOCKING_REGION({
 	args.func = func;
 	args.data = data1;
 	val = rb_protect(call_blocking_function, (VALUE)&args, &status);
-#else
-	val = rb_protect((VALUE (*)(VALUE))func, (VALUE)data1, &status);
-#endif
     }, ubf, data2);
+#else
+    BLOCKING_REGION({
+	val = rb_protect((VALUE (*)(VALUE))func, (VALUE)data1, &status);
+    }, ubf, data2);
+#endif
     if (status) rb_jump_tag(status);
 
     return val;