blob: e246edda52d07cc0fb5d99f91b2afd68fcca103d (
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
|
/*
* Copyright (c) 2021, Peter Elliott <pelliott@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
namespace Core {
class LockFile {
public:
enum class Type {
Exclusive,
Shared
};
LockFile(LockFile const& other) = delete;
LockFile(char const* filename, Type type = Type::Exclusive);
~LockFile();
bool is_held() const;
int error_code() const { return m_errno; }
void release();
private:
int m_fd { -1 };
int m_errno { 0 };
char const* m_filename { nullptr };
};
}
|
