6 #ifndef DMLC_THREAD_LOCAL_H_
7 #define DMLC_THREAD_LOCAL_H_
18 #define MX_THREAD_LOCAL __thread
19 #elif __STDC_VERSION__ >= 201112L
20 #define MX_THREAD_LOCAL _Thread_local
21 #elif defined(_MSC_VER)
22 #define MX_THREAD_LOCAL __declspec(thread)
25 #if DMLC_CXX11_THREAD_LOCAL == 0
26 #pragma message("Warning: CXX11 thread_local is not formally supported")
39 #if DMLC_CXX11_THREAD_LOCAL && DMLC_MODERN_THREAD_LOCAL == 1
40 static thread_local T inst;
43 static MX_THREAD_LOCAL T* ptr =
nullptr;
48 (*Singleton()).RegisterDelete(ptr);
59 for (
size_t i = 0; i < data_.size(); ++i) {
64 static ThreadLocalStore<T> *Singleton() {
65 static ThreadLocalStore<T> inst;
72 void RegisterDelete(T *str) {
73 std::unique_lock<std::mutex>
lock(mutex_);
80 std::vector<T*> data_;
85 #endif // DMLC_THREAD_LOCAL_H_