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#pragma once
#include <mbgl/util/logging.hpp>
#include <mbgl/util/noncopyable.hpp>
#include <cassert>
#include <stdexcept>
#include <pthread.h>
namespace mbgl {
namespace util {
template <class T>
class ThreadLocal : public noncopyable {
public:
ThreadLocal() {
int ret = pthread_key_create(&key, [](void *ptr) {
delete reinterpret_cast<T *>(ptr);
});
if (ret) {
throw std::runtime_error("Failed to init local storage key.");
}
}
~ThreadLocal() {
if (pthread_key_delete(key)) {
Log::Error(Event::General, "Failed to delete local storage key.");
assert(false);
}
}
T* get() {
T* ret = reinterpret_cast<T*>(pthread_getspecific(key));
if (!ret) {
return nullptr;
}
return ret;
}
void set(T* ptr) {
if (pthread_setspecific(key, ptr)) {
throw std::runtime_error("Failed to set local storage.");
}
}
private:
pthread_key_t key;
};
} // namespace util
} // namespace mbgl
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