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/*****************************************************************************
* Copyright 2015 - 2015 Yichao Yu <yyc1992@gmail.com> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License as *
* published by the Free Software Foundation; either version 2.1 of the *
* License, or (at your option) version 3, or any later version accepted *
* by the membership of KDE e.V. (or its successor approved by the *
* membership of KDE e.V.), which shall act as a proxy defined in *
* Section 6 of version 3 of the license. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library. If not, *
* see <http://www.gnu.org/licenses/>. *
*****************************************************************************/
#ifndef _QTC_UTILS_THREAD_H_
#define _QTC_UTILS_THREAD_H_
#include <pthread.h>
// Replaces thread_local since clang on OSX doesn't really support it.
template<typename T>
class ThreadLocal {
pthread_key_t m_key;
public:
ThreadLocal()
{
pthread_key_create(&m_key, [] (void *ptr) {
delete reinterpret_cast<T*>(ptr);
});
}
~ThreadLocal()
{
pthread_key_delete(m_key);
}
T*
get() const
{
T *v = reinterpret_cast<T*>(pthread_getspecific(m_key));
if (!v) {
v = new T();
pthread_setspecific(m_key, reinterpret_cast<void*>(v));
}
return v;
}
T*
operator->() const
{
return get();
}
};
#endif
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