summaryrefslogtreecommitdiff
path: root/Userland/Shell/Execution.h
blob: 02af16738c900624a3d5ef1d325b8f58551efe78 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
/*
 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
 *
 * SPDX-License-Identifier: BSD-2-Clause
 */

#pragma once

#include "Forward.h"
#include <AK/Forward.h>
#include <AK/NonnullRefPtrVector.h>
#include <AK/String.h>
#include <AK/Vector.h>
#include <LibCore/ElapsedTimer.h>

namespace Shell {

class FileDescriptionCollector {
public:
    FileDescriptionCollector() = default;
    ~FileDescriptionCollector();

    void collect();
    void add(int fd);

private:
    Vector<int, 32> m_fds;
};

class SavedFileDescriptors {
public:
    SavedFileDescriptors(NonnullRefPtrVector<AST::Rewiring> const&);
    ~SavedFileDescriptors();

private:
    struct SavedFileDescriptor {
        int original { -1 };
        int saved { -1 };
    };

    Vector<SavedFileDescriptor> m_saves;
    FileDescriptionCollector m_collector;
};

}