From 91d0586a7dec208ed73904b33684c2ffd02106bd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stephan=20A=C3=9Fmus?= <superstippi@gmx.de>
Date: Wed, 15 Aug 2007 19:06:11 +0000
Subject: [PATCH] * it should be better to lock before accessing the data, even
 if reading only * after this change, I have not spotted "left behind" cursors
 again, but it   might just be bad luck...

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21966 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 src/servers/app/drawing/HWInterface.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/servers/app/drawing/HWInterface.cpp b/src/servers/app/drawing/HWInterface.cpp
index 52f16a1c18..868ae4346b 100644
--- a/src/servers/app/drawing/HWInterface.cpp
+++ b/src/servers/app/drawing/HWInterface.cpp
@@ -382,18 +382,20 @@ HWInterface::HideOverlay(Overlay* overlay)
 bool
 HWInterface::HideSoftwareCursor(const BRect& area)
 {
+	if (!fSoftwareCursorLock.Lock())
+		return false;
 	if (fCursorAreaBackup && !fCursorAreaBackup->cursor_hidden) {
 		BRect backupArea(fCursorAreaBackup->left,
 						 fCursorAreaBackup->top,
 						 fCursorAreaBackup->right,
 						 fCursorAreaBackup->bottom);
 		if (area.Intersects(backupArea)) {
-			fSoftwareCursorLock.Lock();
 			_RestoreCursorArea();
 			// do not unlock the cursor lock
 			return true;
 		}
 	}
+	fSoftwareCursorLock.Unlock();
 	return false;
 }