From d647b5358ed5c7f07b3aa500b40297568a882975 Mon Sep 17 00:00:00 2001
From: kosaki <kosaki@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 27 Jun 2011 12:59:08 +0000
Subject: * thread_pthread.h (rb_global_vm_lock_struct): add volatile to  
 gvl->waiting. now thread_timer() access it w/o lock.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32249 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 thread_pthread.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'thread_pthread.h')

diff --git a/thread_pthread.h b/thread_pthread.h
index e693fba299..f180a79d27 100644
--- a/thread_pthread.h
+++ b/thread_pthread.h
@@ -38,7 +38,7 @@ typedef struct rb_global_vm_lock_struct {
     pthread_mutex_t lock;
 
     /* slow path */
-    unsigned long waiting;
+    volatile unsigned long waiting;
     rb_thread_cond_t cond;
 
     /* yield */
-- 
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