/* * Copyright (C) 2013 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef OriginLock_h #define OriginLock_h #if ENABLE(SQL_DATABASE) #include "FileSystem.h" #include <wtf/ThreadSafeRefCounted.h> #include <wtf/ThreadingPrimitives.h> #include <wtf/text/WTFString.h> namespace WebCore { class OriginLock : public ThreadSafeRefCounted<OriginLock> { WTF_MAKE_NONCOPYABLE(OriginLock); WTF_MAKE_FAST_ALLOCATED; public: OriginLock(String originPath); ~OriginLock(); void lock(); void unlock(); static void deleteLockFile(String originPath); private: static String lockFileNameForPath(String originPath); String m_lockFileName; Mutex m_mutex; #if USE(FILE_LOCK) PlatformFileHandle m_lockHandle; #endif }; } // namespace WebCore #endif // ENABLE(SQL_DATABASE) #endif // OriginLock_h