ladybird/Userland/Libraries/LibCore/LockFile.h

33 lines
558 B
C++

/*
* 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 };
};
}