lean4-htt/src/library/process.h

65 lines
1.4 KiB
C++

/*
Copyright (c) 2017 Microsoft Corporation. All rights reserved.
Released under Apache 2.0 license as described in the file LICENSE.
Author: Jared Roesch
*/
#pragma once
#include <iostream>
#include <string>
#include "library/handle.h"
#include "util/buffer.h"
#include "library/pipe.h"
namespace lean {
enum stdio {
INHERIT,
PIPED,
NUL,
};
struct child {
handle_ref m_stdin;
handle_ref m_stdout;
handle_ref m_stderr;
int m_pid;
child(child const & ch) :
m_stdin(ch.m_stdin),
m_stdout(ch.m_stdout),
m_stderr(ch.m_stderr),
m_pid(ch.m_pid) {}
child(int pid, handle_ref hstdin, handle_ref hstdout, handle_ref hstderr) :
m_stdin(hstdin),
m_stdout(hstdout),
m_stderr(hstderr),
m_pid(pid) {}
void wait();
};
class process {
std::string m_proc_name;
buffer<std::string> m_args;
optional<stdio> m_stdout;
optional<stdio> m_stdin;
optional<stdio> m_stderr;
public:
process(process const & proc) :
m_proc_name(proc.m_proc_name),
m_args(proc.m_args),
m_stdout(proc.m_stdout),
m_stdin(proc.m_stdin),
m_stderr(proc.m_stderr) {}
process(std::string exe_name);
process & arg(std::string arg_str);
process & set_stdin(stdio cfg);
process & set_stdout(stdio cfg);
process & set_stderr(stdio cfg);
child spawn();
void run();
};
}