#ifndef BOO_THREADLOCALPTR_HPP
#define BOO_THREADLOCALPTR_HPP

#if _WIN32
#else
#include <pthread.h>
#endif

/** Multiplatform TLS-pointer wrapper (for compilers without proper thread_local support) */
template <class T>
class ThreadLocalPtr
{
#if _WIN32
    DWORD m_key;
public:
    ThreadLocalPtr() {m_key = TlsAlloc();}
    ~ThreadLocalPtr() {TlsFree(m_key);}
    T* get() const {return static_cast<T*>(TlsGetValue(m_key));}
    void reset(T* v=nullptr) {TlsSetValue(m_key, LPVOID(v));}
#else
    pthread_key_t m_key;
public:
    ThreadLocalPtr() {pthread_key_create(&m_key, nullptr);}
    ~ThreadLocalPtr() {pthread_key_delete(m_key);}
    T* get() const {return static_cast<T*>(pthread_getspecific(m_key));}
    void reset(T* v=nullptr) {pthread_setspecific(m_key, v);}
#endif
    T* operator->() {return get();}
};

#endif // BOO_THREADLOCALPTR_HPP