1 /*
2  * Copyright (C) 2024 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 #ifndef ANDROID_DEVICE_GOOGLE_CUTTLEFISH_HOST_COMMANDS_PROCESS_SANDBOXER_SIGNAL_FD_H
17 #define ANDROID_DEVICE_GOOGLE_CUTTLEFISH_HOST_COMMANDS_PROCESS_SANDBOXER_SIGNAL_FD_H
18 
19 #include <sys/signalfd.h>
20 
21 #include <absl/status/statusor.h>
22 
23 #include "host/commands/process_sandboxer/unique_fd.h"
24 
25 namespace cuttlefish::process_sandboxer {
26 
27 class SignalFd {
28  public:
29   static absl::StatusOr<SignalFd> AllExceptSigChld();
30 
31   absl::StatusOr<signalfd_siginfo> ReadSignal();
32 
33   int Fd() const;
34 
35  private:
36   SignalFd(UniqueFd);
37 
38   UniqueFd fd_;
39 };
40 
41 }  // namespace cuttlefish::process_sandboxer
42 
43 #endif
44