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Atmosphere/libraries/libstratosphere/include/stratosphere/fs/fs_context.hpp
2020-07-02 14:02:50 -07:00

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2.1 KiB
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/*
* Copyright (c) 2018-2020 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 <vapours.hpp>
namespace ams::fs {
enum class AbortSpecifier {
Default,
Abort,
Return,
};
using ResultHandler = AbortSpecifier (*)(Result);
class FsContext {
private:
ResultHandler handler;
public:
constexpr explicit FsContext(ResultHandler h) : handler(h) { /* ... */ }
constexpr void SetHandler(ResultHandler h) { this->handler = h; }
constexpr AbortSpecifier HandleResult(Result result) const { return this->handler(result); }
};
void SetDefaultFsContextResultHandler(const ResultHandler handler);
const FsContext *GetCurrentThreadFsContext();
void SetCurrentThreadFsContext(const FsContext *context);
class ScopedFsContext {
private:
const FsContext * const prev_context;
public:
ALWAYS_INLINE ScopedFsContext(const FsContext &ctx) : prev_context(GetCurrentThreadFsContext()) {
SetCurrentThreadFsContext(std::addressof(ctx));
}
ALWAYS_INLINE ~ScopedFsContext() {
SetCurrentThreadFsContext(this->prev_context);
}
};
class ScopedAutoAbortDisabler {
private:
const FsContext * const prev_context;
public:
ScopedAutoAbortDisabler();
ALWAYS_INLINE ~ScopedAutoAbortDisabler() {
SetCurrentThreadFsContext(this->prev_context);
}
};
}