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
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14 #ifndef GRPC_SRC_CORE_LIB_EVENT_ENGINE_POSIX_ENGINE_WAKEUP_FD_PIPE_H
15 #define GRPC_SRC_CORE_LIB_EVENT_ENGINE_POSIX_ENGINE_WAKEUP_FD_PIPE_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 
24 #include "src/core/lib/event_engine/posix_engine/wakeup_fd_posix.h"
25 
26 namespace grpc_event_engine {
27 namespace experimental {
28 
29 class PipeWakeupFd : public WakeupFd {
30  public:
PipeWakeupFd()31   PipeWakeupFd() : WakeupFd() {}
32   ~PipeWakeupFd() override;
33   absl::Status ConsumeWakeup() override;
34   absl::Status Wakeup() override;
35   static absl::StatusOr<std::unique_ptr<WakeupFd>> CreatePipeWakeupFd();
36   static bool IsSupported();
37 
38  private:
39   absl::Status Init();
40 };
41 
42 }  // namespace experimental
43 }  // namespace grpc_event_engine
44 
45 #endif  // GRPC_SRC_CORE_LIB_EVENT_ENGINE_POSIX_ENGINE_WAKEUP_FD_PIPE_H
46