mirror of
https://github.com/SerenityOS/serenity
synced 2024-11-05 17:46:52 +00:00
31 lines
571 B
C++
31 lines
571 B
C++
#pragma once
|
|
|
|
#include "StringView.h"
|
|
|
|
namespace AK {
|
|
|
|
class MappedFile {
|
|
public:
|
|
MappedFile() {}
|
|
explicit MappedFile(const StringView& file_name);
|
|
MappedFile(MappedFile&&);
|
|
~MappedFile();
|
|
|
|
MappedFile& operator=(MappedFile&&);
|
|
|
|
bool is_valid() const { return m_map != (void*)-1; }
|
|
void unmap();
|
|
|
|
void* pointer() { return m_map; }
|
|
const void* pointer() const { return m_map; }
|
|
size_t size() const { return m_size; }
|
|
|
|
private:
|
|
size_t m_size { 0 };
|
|
int m_fd { -1 };
|
|
void* m_map { (void*)-1 };
|
|
};
|
|
|
|
}
|
|
|
|
using AK::MappedFile;
|