50 lines
1.0 KiB
C++
50 lines
1.0 KiB
C++
#include <mbgl/util/thread_local.hpp>
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#include <mbgl/actor/scheduler.hpp>
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#include <mbgl/renderer/backend_scope.hpp>
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#include <array>
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#include <cassert>
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#include <QThreadStorage>
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namespace mbgl {
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namespace util {
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template <class T>
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class ThreadLocal<T>::Impl {
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public:
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QThreadStorage<std::array<T*, 1>> local;
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};
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template <class T>
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ThreadLocal<T>::ThreadLocal() : impl(std::make_unique<Impl>()) {
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set(nullptr);
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}
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template <class T>
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ThreadLocal<T>::~ThreadLocal() {
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// ThreadLocal will not take ownership
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// of the pointer it is managing. The pointer
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// needs to be explicitly cleared before we
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// destroy this object.
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assert(!get());
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}
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template <class T>
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T* ThreadLocal<T>::get() {
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return impl->local.localData()[0];
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}
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template <class T>
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void ThreadLocal<T>::set(T* ptr) {
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impl->local.localData()[0] = ptr;
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}
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template class ThreadLocal<Scheduler>;
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template class ThreadLocal<BackendScope>;
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template class ThreadLocal<int>; // For unit tests
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} // namespace util
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} // namespace mbgl
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