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