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Atmosphere/stratosphere/loader/source/ldr_auto_close.hpp

54 lines
1.8 KiB
C++

/*
* Copyright (c) Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <stratosphere.hpp>
namespace ams::ldr {
class AutoCloseMap {
NON_COPYABLE(AutoCloseMap);
NON_MOVEABLE(AutoCloseMap);
private:
Result m_result;
uintptr_t m_map_address;
os::NativeHandle m_handle;
u64 m_address;
u64 m_size;
public:
AutoCloseMap(uintptr_t map, os::NativeHandle handle, u64 addr, u64 size) : m_map_address(map), m_handle(handle), m_address(addr), m_size(size) {
m_result = svc::MapProcessMemory(m_map_address, m_handle, m_address, m_size);
}
~AutoCloseMap() {
if (m_handle != os::InvalidNativeHandle && R_SUCCEEDED(m_result)) {
R_ABORT_UNLESS(svc::UnmapProcessMemory(m_map_address, m_handle, m_address, m_size));
}
}
Result GetResult() const {
return m_result;
}
bool IsSuccess() const {
return R_SUCCEEDED(m_result);
}
void Cancel() {
m_handle = os::InvalidNativeHandle;
}
};
}