mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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88 lines
2.4 KiB
C++
88 lines
2.4 KiB
C++
/*
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* Copyright (c) 2018-2020 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <stratosphere/os/os_common_types.hpp>
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namespace ams::os {
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class ManagedHandle {
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NON_COPYABLE(ManagedHandle);
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private:
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Handle hnd;
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public:
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constexpr ManagedHandle() : hnd(INVALID_HANDLE) { /* ... */ }
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constexpr ManagedHandle(Handle h) : hnd(h) { /* ... */ }
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~ManagedHandle() {
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if (this->hnd != INVALID_HANDLE) {
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R_ABORT_UNLESS(svcCloseHandle(this->hnd));
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this->hnd = INVALID_HANDLE;
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}
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}
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ManagedHandle(ManagedHandle&& rhs) {
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this->hnd = rhs.hnd;
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rhs.hnd = INVALID_HANDLE;
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}
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ManagedHandle &operator=(ManagedHandle&& rhs) {
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rhs.Swap(*this);
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return *this;
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}
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explicit operator bool() const {
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return this->hnd != INVALID_HANDLE;
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}
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void Swap(ManagedHandle &rhs) {
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std::swap(this->hnd, rhs.hnd);
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}
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Handle Get() const {
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return this->hnd;
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}
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Handle *GetPointer() {
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return &this->hnd;
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}
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Handle *GetPointerAndClear() {
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this->Clear();
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return this->GetPointer();
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}
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Handle Move() {
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const Handle h = this->hnd;
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this->hnd = INVALID_HANDLE;
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return h;
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}
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void Detach() {
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const Handle h = this->Move();
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AMS_UNUSED(h);
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}
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void Reset(Handle h) {
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ManagedHandle(h).Swap(*this);
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}
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void Clear() {
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this->Reset(INVALID_HANDLE);
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}
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};
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}
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