Bitcoin Core 28.99.0
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
13namespace ipc {
14class Protocol;
15
22{
23public:
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
39 virtual int connect(const fs::path& data_dir,
40 const std::string& dest_exe_name,
41 std::string& address) = 0;
42
44 virtual int bind(const fs::path& data_dir,
45 const std::string& exe_name,
46 std::string& address) = 0;
47};
48
51std::unique_ptr<Process> MakeProcess();
52} // namespace ipc
53
54#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 connect(const fs::path &data_dir, const std::string &dest_exe_name, std::string &address)=0
Canonicalize and connect to address, returning socket descriptor.
virtual int bind(const fs::path &data_dir, const std::string &exe_name, std::string &address)=0
Create listening socket, bind and canonicalize address, and return socket descriptor.
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:154