pipe.hpp File Reference

Pipe handling utilities for subprocess. More...

#include <cstring>
#include <istream>
#include <thread>
#include <functional>
#include <optional>
#include <vector>
#include <sys/wait.h>
#include <sys/prctl.h>
#include <csignal>
#include <string>
#include <unistd.h>
#include <sys/types.h>
#include <filesystem>
#include "../../macro.hpp"
#include "../../lib/log.hpp"
#include "../../lib/linux/fd.hpp"

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Namespaces
namespace	ns_subprocess
	Child process management and execution.
namespace	ns_subprocess::ns_pipe
	Inter-process pipe management.

Functions
void	ns_subprocess::ns_pipe::write_pipe (pid_t child_pid, int pipe_fd, std::istream &stream)
	Write from an input stream to a pipe file descriptor.
void	ns_subprocess::ns_pipe::read_pipe (pid_t child_pid, int pipe_fd, std::ostream &stream, std::filesystem::path const &path_file_log)
	Read from a pipe file descriptor and write to an output stream.
template<typename Stream>
bool	ns_subprocess::ns_pipe::is_standard_stream (Stream &stream)
	Check if a stream is a standard stream (std::cin, std::cout, or std::cerr)
template<typename Stream>
void	ns_subprocess::ns_pipe::pipes_child (bool is_istream, int pipe[2], Stream &stream, int fileno)
	Setup pipe for child process (unified for stdin/stdout/stderr)
template<typename Stream>
std::optional< std::jthread >	ns_subprocess::ns_pipe::pipes_parent (pid_t child_pid, bool is_istream, int pipe[2], Stream &stream, std::filesystem::path const &path_file_log)
	Setup pipe for parent process (unified for stdin/stdout/stderr)
std::vector< std::jthread >	ns_subprocess::ns_pipe::setup (pid_t pid, int pipestdin[2], int pipestdout[2], int pipestderr[2], std::istream &stdin, std::ostream &stdout, std::ostream &stderr, std::filesystem::path const &path_file_log)
	Handle pipe setup for both parent and child processes.

Detailed Description

Pipe handling utilities for subprocess.

Author

Ruan Formigoni

Copyright

Copyright (c) 2025 Ruan Formigoni

Definition in file pipe.hpp.