1 // Copyright 2022 The gRPC Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 #ifndef GRPC_SRC_CORE_LIB_EVENT_ENGINE_POSIX_ENGINE_WAKEUP_FD_EVENTFD_H 15 #define GRPC_SRC_CORE_LIB_EVENT_ENGINE_POSIX_ENGINE_WAKEUP_FD_EVENTFD_H 16 17 #include <grpc/support/port_platform.h> 18 19 #include <memory> 20 21 #include "absl/status/status.h" 22 #include "absl/status/statusor.h" 23 #include "src/core/lib/event_engine/posix_engine/wakeup_fd_posix.h" 24 25 namespace grpc_event_engine { 26 namespace experimental { 27 28 class EventFdWakeupFd : public WakeupFd { 29 public: EventFdWakeupFd()30 EventFdWakeupFd() : WakeupFd() {} 31 ~EventFdWakeupFd() override; 32 absl::Status ConsumeWakeup() override; 33 absl::Status Wakeup() override; 34 static absl::StatusOr<std::unique_ptr<WakeupFd>> CreateEventFdWakeupFd(); 35 static bool IsSupported(); 36 37 private: 38 absl::Status Init(); 39 }; 40 41 } // namespace experimental 42 } // namespace grpc_event_engine 43 44 #endif // GRPC_SRC_CORE_LIB_EVENT_ENGINE_POSIX_ENGINE_WAKEUP_FD_EVENTFD_H 45