1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/tools/profiler/LulRWLock.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,42 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* vim: set ts=8 sts=2 et sw=2 tw=80: */
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#ifndef LulRWLock_h
1.11 +#define LulRWLock_h
1.12 +
1.13 +#include "LulPlatformMacros.h"
1.14 +#include <pthread.h>
1.15 +
1.16 +// This class provides a simple wrapper around reader-writer locks.
1.17 +// This is necessary because Android 2.2's libpthread does not
1.18 +// provide such functionality, so there has to be a way to provide
1.19 +// an alternative with an equivalent interface.
1.20 +
1.21 +namespace lul {
1.22 +
1.23 +class LulRWLock {
1.24 +
1.25 +public:
1.26 + LulRWLock();
1.27 + ~LulRWLock();
1.28 + void WrLock();
1.29 + void RdLock();
1.30 + void Unlock();
1.31 +
1.32 +private:
1.33 +#if defined(LUL_OS_android)
1.34 + pthread_mutex_t mLock;
1.35 +#elif defined(LUL_OS_linux)
1.36 + pthread_rwlock_t mLock;
1.37 +#else
1.38 +# error "Unsupported OS"
1.39 +#endif
1.40 +
1.41 +};
1.42 +
1.43 +} // namespace lul
1.44 +
1.45 +#endif // LulRWLock_h
