From 75ce78429ee220349e3e01aa874e918e1eb1745f Mon Sep 17 00:00:00 2001
From: kosaki <kosaki@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 6 Apr 2010 14:07:06 +0000
Subject:         * vm_core.h: Introduce UNINITIALIZED_VAR() macro. 	*
 thread.c (do_select): Use UNINITIALIZED_VAR() instead FAKE_FD_ZERO(). 	 
 Also, remove FAKE_FD_ZERO completely. [Feature #3018]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27238 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 vm_core.h | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'vm_core.h')

diff --git a/vm_core.h b/vm_core.h
index 7bf199b68a..b5c1bf0ad9 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -106,6 +106,12 @@
 #define UNLIKELY(x) (x)
 #endif /* __GNUC__ >= 3 */
 
+#if __GNUC__ >= 3
+#define UNINITIALIZED_VAR(x) x = x
+#else
+#define UNINITIALIZED_VAR(x) x
+#endif
+
 typedef unsigned long rb_num_t;
 
 /* iseq data type */
-- 
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