| // Copyright (c) 2015 Ryan Prichard | |
| // | |
| // Permission is hereby granted, free of charge, to any person obtaining a copy | |
| // of this software and associated documentation files (the "Software"), to | |
| // deal in the Software without restriction, including without limitation the | |
| // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or | |
| // sell copies of the Software, and to permit persons to whom the Software is | |
| // furnished to do so, subject to the following conditions: | |
| // | |
| // The above copyright notice and this permission notice shall be included in | |
| // all copies or substantial portions of the Software. | |
| // | |
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
| // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS | |
| // IN THE SOFTWARE. | |
| // Recent 4.x MinGW and MinGW-w64 gcc compilers lack std::mutex and | |
| // std::lock_guard. I have a 5.2.0 MinGW-w64 compiler packaged through MSYS2 | |
| // that *is* new enough, but that's one compiler against several deficient | |
| // ones. Wrap CRITICAL_SECTION instead. | |
| class Mutex { | |
| CRITICAL_SECTION m_mutex; | |
| public: | |
| Mutex() { InitializeCriticalSection(&m_mutex); } | |
| ~Mutex() { DeleteCriticalSection(&m_mutex); } | |
| void lock() { EnterCriticalSection(&m_mutex); } | |
| void unlock() { LeaveCriticalSection(&m_mutex); } | |
| Mutex(const Mutex &other) = delete; | |
| Mutex &operator=(const Mutex &other) = delete; | |
| }; | |
| template <typename T> | |
| class LockGuard { | |
| T &m_lock; | |
| public: | |
| LockGuard(T &lock) : m_lock(lock) { m_lock.lock(); } | |
| ~LockGuard() { m_lock.unlock(); } | |
| LockGuard(const LockGuard &other) = delete; | |
| LockGuard &operator=(const LockGuard &other) = delete; | |
| }; | |