RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-27 07:37:46 +00:00
Code Issues Activity Actions

AK: Add Singleton special-case constructor for SpinlockProtected

Browse source 
This will allow Singletons of that class to still be created when
SpinlockProtected can't be constructed without a lock rank argument
anymore.
This commit is contained in:
kleines Filmröllchen 2022-08-18 21:44:31 +02:00 • committed by Brian Gianforcaro
parent f53aa5bfbb
commit 4809dc8ec2
1 changed files with 13 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

13
AK/Singleton.h
View file

@ -12,6 +12,7 @@
#ifdef KERNEL #ifdef KERNEL
# include <Kernel/Arch/Processor.h> # include <Kernel/Arch/Processor.h>
# include <Kernel/Arch/ScopedCritical.h> # include <Kernel/Arch/ScopedCritical.h>
# include <Kernel/Locking/SpinlockProtected.h>
#else #else
# include <sched.h> # include <sched.h>
#endif #endif
@ -30,6 +31,18 @@ struct SingletonInstanceCreator {
} }
}; };
#ifdef KERNEL
// FIXME: Find a nice way of injecting the lock rank into the singleton.
template<typename T>
struct SingletonInstanceCreator<Kernel::SpinlockProtected<T>> {
static Kernel::SpinlockProtected<T>* create()
{
return new Kernel::SpinlockProtected<T> { Kernel::LockRank::None };
}
};
#endif
template<typename T, T* (*InitFunction)() = SingletonInstanceCreator<T>::create> template<typename T, T* (*InitFunction)() = SingletonInstanceCreator<T>::create>
class Singleton { class Singleton {
AK_MAKE_NONCOPYABLE(Singleton); AK_MAKE_NONCOPYABLE(Singleton);