1 /*
2  * Copyright (C) 2017 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 #ifndef ART_RUNTIME_EXEC_UTILS_H_
18 #define ART_RUNTIME_EXEC_UTILS_H_
19 
20 #include <string>
21 #include <vector>
22 
23 namespace art {
24 
25 // Wrapper on fork/execv to run a command in a subprocess.
26 // These spawn child processes using the environment as it was set when the single instance
27 // of the runtime (Runtime::Current()) was started.  If no instance of the runtime was started, it
28 // will use the current environment settings.
29 
30 bool Exec(std::vector<std::string>& arg_vector, /*out*/ std::string* error_msg);
31 int ExecAndReturnCode(std::vector<std::string>& arg_vector, /*out*/ std::string* error_msg);
32 
33 // Execute the command specified in `argv_vector` in a subprocess with a timeout.
34 // Returns the process exit code on success, -1 otherwise.
35 int ExecAndReturnCode(std::vector<std::string>& arg_vector,
36                       time_t timeout_secs,
37                       /*out*/ bool* timed_out,
38                       /*out*/ std::string* error_msg);
39 
40 }  // namespace art
41 
42 #endif  // ART_RUNTIME_EXEC_UTILS_H_
43