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thread/Mutex: use std::unique_lock to implement ScopeLock

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This commit is contained in:
Max Kellermann 2016-12-29 11:51:25 +01:00
parent a421c1dbfb
commit 9c11184238
1 changed files with 6 additions and 17 deletions
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23
src/thread/Mutex.hxx
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@ -1,5 +1,5 @@
/*
* Copyright (C) 2009-2015 Max Kellermann <max@duempel.org>
* Copyright (C) 2009-2016 Max Kellermann <max@duempel.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@ -30,6 +30,8 @@
#ifndef THREAD_MUTEX_HXX
#define THREAD_MUTEX_HXX
#include <mutex>
#ifdef WIN32
#include "CriticalSection.hxx"
@ -43,26 +45,13 @@ class Mutex : public PosixMutex {};
#endif
class ScopeLock {
Mutex &mutex;
bool active = true;
std::unique_lock<Mutex> lock;
public:
ScopeLock(Mutex &_mutex):mutex(_mutex) {
mutex.lock();
};
~ScopeLock() {
if (active)
mutex.unlock();
};
ScopeLock(const ScopeLock &other) = delete;
ScopeLock &operator=(const ScopeLock &other) = delete;
ScopeLock(Mutex &_mutex):lock(_mutex) {}
void Unlock() {
mutex.unlock();
active = false;
lock.unlock();
}
};