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comparison: tools/profiler/LulRWLock.h
tools/profiler/LulRWLock.h
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| 1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */ | |
| 3 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #ifndef LulRWLock_h | |
| 8 #define LulRWLock_h | |
| 9 | |
| 10 #include "LulPlatformMacros.h" | |
| 11 #include <pthread.h> | |
| 12 | |
| 13 // This class provides a simple wrapper around reader-writer locks. | |
| 14 // This is necessary because Android 2.2's libpthread does not | |
| 15 // provide such functionality, so there has to be a way to provide | |
| 16 // an alternative with an equivalent interface. | |
| 17 | |
| 18 namespace lul { | |
| 19 | |
| 20 class LulRWLock { | |
| 21 | |
| 22 public: | |
| 23 LulRWLock(); | |
| 24 ~LulRWLock(); | |
| 25 void WrLock(); | |
| 26 void RdLock(); | |
| 27 void Unlock(); | |
| 28 | |
| 29 private: | |
| 30 #if defined(LUL_OS_android) | |
| 31 pthread_mutex_t mLock; | |
| 32 #elif defined(LUL_OS_linux) | |
| 33 pthread_rwlock_t mLock; | |
| 34 #else | |
| 35 # error "Unsupported OS" | |
| 36 #endif | |
| 37 | |
| 38 }; | |
| 39 | |
| 40 } // namespace lul | |
| 41 | |
| 42 #endif // LulRWLock_h |
