48 static std::unique_ptr<std::promise<void>> acquire_promise = nullptr;
49 static std::unique_ptr<std::promise<void>> release_promise = nullptr;
53   static void FulfilPromise(std::unique_ptr<std::promise<void>>& promise) {  in FulfilPromise()  argument
55     if (promise != nullptr) {  in FulfilPromise()
56       promise->set_value();  in FulfilPromise()
57       promise = nullptr;  in FulfilPromise()
61 …explicit PromiseFutureContext(std::unique_ptr<std::promise<void>>& promise, bool expect_fulfillmen…  in PromiseFutureContext()  argument
62       : promise_(promise), expect_fulfillment_(expect_fulfillment) {  in PromiseFutureContext()
65     promise_ = std::make_unique<std::promise<void>>();  in PromiseFutureContext()
66     future_ = promise->get_future();  in PromiseFutureContext()
81   std::unique_ptr<std::promise<void>>& promise_;