Bitcoin Core  27.99.0
P2P Digital Currency
process.h
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1 // Copyright (c) 2021 The Bitcoin Core developers
2 // Distributed under the MIT software license, see the accompanying
3 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
4 
5 #ifndef BITCOIN_IPC_PROCESS_H
6 #define BITCOIN_IPC_PROCESS_H
7 
8 #include <util/fs.h>
9 
10 #include <memory>
11 #include <string>
12 
13 namespace ipc {
14 class Protocol;
15 
21 class Process
22 {
23 public:
24  virtual ~Process() = default;
25 
28  virtual int spawn(const std::string& new_exe_name, const fs::path& argv0_path, int& pid) = 0;
29 
31  virtual int waitSpawned(int pid) = 0;
32 
36  virtual bool checkSpawned(int argc, char* argv[], int& fd) = 0;
37 };
38 
41 std::unique_ptr<Process> MakeProcess();
42 } // namespace ipc
43 
44 #endif // BITCOIN_IPC_PROCESS_H
Path class wrapper to block calls to the fs::path(std::string) implicit constructor and the fs::path:...
Definition: fs.h:33
IPC process interface for spawning bitcoin processes and serving requests in processes that have been...
Definition: process.h:22
virtual bool checkSpawned(int argc, char *argv[], int &fd)=0
Parse command line and determine if current process is a spawned child process.
virtual ~Process()=default
virtual int spawn(const std::string &new_exe_name, const fs::path &argv0_path, int &pid)=0
Spawn process and return socket file descriptor for communicating with it.
virtual int waitSpawned(int pid)=0
Wait for spawned process to exit and return its exit code.
Definition: ipc.h:12
std::unique_ptr< Process > MakeProcess()
Constructor for Process interface.
Definition: process.cpp:60