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os: implement ReadWriteBusyMutex

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This commit is contained in:
Michael Scire 2021-09-28 17:01:11 -07:00
parent 09570c470c
commit 5e0bbb61b1
9 changed files with 549 additions and 2 deletions
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43
libraries/libstratosphere/include/stratosphere/os/impl/os_internal_rw_busy_mutex.hpp Normal file
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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>
#if defined(ATMOSPHERE_OS_HORIZON)
#include <stratosphere/os/impl/os_internal_rw_busy_mutex_impl.os.horizon.hpp>
#else
#error "Unknown OS for ams::os::impl::InternalReadWriteBusyMutexImpl"
#endif
namespace ams::os::impl {
class InternalReadWriteBusyMutex {
private:
InternalReadWriteBusyMutexImpl m_impl;
public:
constexpr InternalReadWriteBusyMutex() : m_impl() { /* ... */ }
ALWAYS_INLINE void AcquireReadLock() { return m_impl.AcquireReadLock(); }
ALWAYS_INLINE void ReleaseReadLock() { return m_impl.ReleaseReadLock(); }
ALWAYS_INLINE void AcquireWriteLock() { return m_impl.AcquireWriteLock(); }
ALWAYS_INLINE void ReleaseWriteLock() { return m_impl.ReleaseWriteLock(); }
};
using InternalReadWriteBusyMutexStorage = util::TypedStorage<InternalReadWriteBusyMutex>;
}

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libraries/libstratosphere/include/stratosphere/os/impl/os_internal_rw_busy_mutex_impl.os.horizon.hpp Normal file
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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::os::impl {
class InternalReadWriteBusyMutexImpl {
private:
u32 m_value;
public:
constexpr InternalReadWriteBusyMutexImpl() : m_value(0) { /* ... */ }
constexpr void Initialize() { m_value = 0; }
void AcquireReadLock();
void ReleaseReadLock();
void AcquireWriteLock();
void ReleaseWriteLock();
};
}