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Kernel: Rename ProtectedValue<T> => MutexProtected<T>

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Let's make it obvious what we're protecting it with.
This commit is contained in:
Andreas Kling 2021-08-21 23:31:15 +02:00
parent 81d990b551
commit c2fc33becd
18 changed files with 57 additions and 56 deletions
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68
Kernel/Locking/MutexProtected.h Normal file
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@ -0,0 +1,68 @@
/*
* Copyright (c) 2021, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <Kernel/Locking/LockLocation.h>
#include <Kernel/Locking/MutexContendedResource.h>
namespace Kernel {
template<typename T>
class MutexProtected
: private T
, public MutexContendedResource {
AK_MAKE_NONCOPYABLE(MutexProtected);
AK_MAKE_NONMOVABLE(MutexProtected);
protected:
using LockedShared = LockedResource<T const, LockMode::Shared>;
using LockedExclusive = LockedResource<T, LockMode::Exclusive>;
LockedShared lock_shared(LockLocation const& location) const { return LockedShared(this, this->MutexContendedResource::m_mutex, location); }
LockedExclusive lock_exclusive(LockLocation const& location) { return LockedExclusive(this, this->MutexContendedResource::m_mutex, location); }
public:
using T::T;
MutexProtected() = default;
template<typename Callback>
decltype(auto) with_shared(Callback callback, LockLocation const& location = LockLocation::current()) const
{
auto lock = lock_shared(location);
return callback(*lock);
}
template<typename Callback>
decltype(auto) with_exclusive(Callback callback, LockLocation const& location = LockLocation::current())
{
auto lock = lock_exclusive(location);
return callback(*lock);
}
template<typename Callback>
void for_each_shared(Callback callback, LockLocation const& location = LockLocation::current()) const
{
with_shared([&](const auto& value) {
for (auto& item : value)
callback(item);
},
location);
}
template<typename Callback>
void for_each_exclusive(Callback callback, LockLocation const& location = LockLocation::current())
{
with_exclusive([&](auto& value) {
for (auto& item : value)
callback(item);
},
location);
}
};
}