1 /*
2  * Copyright (C) 2018 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 
17 #include <memory>
18 #include <string>
19 #include <vector>
20 
21 namespace android {
22 namespace util {
23 
24 struct ProcResult {
25   int status;
26   std::string stdout_str;
27   std::string stderr_str;
28 
ProcResultProcResult29   explicit ProcResult(int status) : status(status) {}
30   ProcResult(ProcResult&&) noexcept = default;
31   ProcResult& operator=(ProcResult&&) noexcept = default;
32 
33   explicit operator bool() const { return status >= 0; }
34 };
35 
36 // Fork, exec and wait for an external process. Returns status < 0 if the process could not be
37 // launched, otherwise a ProcResult containing the external process' exit status and captured
38 // stdout and stderr.
39 ProcResult ExecuteBinary(const std::vector<std::string>& argv);
40 
41 } // namespace util
42 } // namespace android
43