From 91393e78100e38eafdf3e6044741b6ee79cf4d00 Mon Sep 17 00:00:00 2001
From: Ingo Weinhold <ingo_weinhold@gmx.de>
Date: Tue, 23 Jun 2009 01:32:46 +0000
Subject: [PATCH] InterruptsSpinLocking: * Removed unused inner struct State. *
 Added work-around for the extremely annoying "fState my be used  
 uninitialized" warning gcc 4 produces. I'm not aware of any solution that  
 doesn't generate unnecessary code. :-/

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@31193 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 headers/private/kernel/util/AutoLock.h | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/headers/private/kernel/util/AutoLock.h b/headers/private/kernel/util/AutoLock.h
index 2f46733506..9c66268ed7 100644
--- a/headers/private/kernel/util/AutoLock.h
+++ b/headers/private/kernel/util/AutoLock.h
@@ -132,15 +132,15 @@ typedef AutoLocker<spinlock, SpinLocking> SpinLocker;
 // InterruptsSpinLocking
 class InterruptsSpinLocking {
 public:
-	struct State {
-		State(spinlock* lock)
-			: lock(lock)
-		{
-		}
-
-		int			state;
-		spinlock*	lock;
-	};
+// NOTE: work-around for annoying GCC 4 "fState may be used uninitialized"
+// warning.
+#if __GNUC__ == 4
+	InterruptsSpinLocking()
+		:
+		fState(0)
+	{
+	}
+#endif
 
 	inline bool Lock(spinlock* lockable)
 	{