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AK: Add Singleton special-case constructor for SpinlockProtected
This will allow Singletons of that class to still be created when SpinlockProtected can't be constructed without a lock rank argument anymore.
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sideshowbarker
2024-07-17 08:07:37 +09:00
Author: https://github.com/kleinesfilmroellchen Commit: https://github.com/SerenityOS/serenity/commit/4809dc8ec2 Pull-request: https://github.com/SerenityOS/serenity/pull/14914 Reviewed-by: https://github.com/bgianfo ✅
@ -12,6 +12,7 @@
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#ifdef KERNEL
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# include <Kernel/Arch/Processor.h>
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# include <Kernel/Arch/ScopedCritical.h>
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# include <Kernel/Locking/SpinlockProtected.h>
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#else
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# include <sched.h>
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#endif
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@ -30,6 +31,18 @@ struct SingletonInstanceCreator {
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}
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};
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#ifdef KERNEL
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// FIXME: Find a nice way of injecting the lock rank into the singleton.
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template<typename T>
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struct SingletonInstanceCreator<Kernel::SpinlockProtected<T>> {
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static Kernel::SpinlockProtected<T>* create()
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{
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return new Kernel::SpinlockProtected<T> { Kernel::LockRank::None };
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}
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};
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#endif
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template<typename T, T* (*InitFunction)() = SingletonInstanceCreator<T>::create>
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class Singleton {
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AK_MAKE_NONCOPYABLE(Singleton);
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