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kern: add abstract scoped lock template

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This commit is contained in:
Michael Scire
2020-01-31 16:37:58 -08:00
parent 57222e8301
commit 2355047715
5 changed files with 53 additions and 57 deletions
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44
libraries/libmesosphere/include/mesosphere/kern_k_spin_lock.hpp
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@@ -15,6 +15,7 @@
*/
#pragma once
#include <mesosphere/kern_common.hpp>
#include <mesosphere/kern_k_scoped_lock.hpp>
#if defined(ATMOSPHERE_ARCH_ARM64)
@@ -34,45 +35,8 @@
namespace ams::kern {
class KScopedSpinLock {
private:
KSpinLock *lock_ptr;
public:
explicit ALWAYS_INLINE KScopedSpinLock(KSpinLock *l) : lock_ptr(l) {
this->lock_ptr->Lock();
}
ALWAYS_INLINE ~KScopedSpinLock() {
this->lock_ptr->Unlock();
}
explicit ALWAYS_INLINE KScopedSpinLock(KSpinLock &l) : KScopedSpinLock(std::addressof(l)) { /* ... */ }
};
class KScopedAlignedSpinLock {
private:
KAlignedSpinLock *lock_ptr;
public:
explicit ALWAYS_INLINE KScopedAlignedSpinLock(KAlignedSpinLock *l) : lock_ptr(l) {
this->lock_ptr->Lock();
}
ALWAYS_INLINE ~KScopedAlignedSpinLock() {
this->lock_ptr->Unlock();
}
explicit ALWAYS_INLINE KScopedAlignedSpinLock(KAlignedSpinLock &l) : KScopedAlignedSpinLock(std::addressof(l)) { /* ... */ }
};
class KScopedNotAlignedSpinLock {
private:
KNotAlignedSpinLock *lock_ptr;
public:
explicit ALWAYS_INLINE KScopedNotAlignedSpinLock(KNotAlignedSpinLock *l) : lock_ptr(l) {
this->lock_ptr->Lock();
}
ALWAYS_INLINE ~KScopedNotAlignedSpinLock() {
this->lock_ptr->Unlock();
}
explicit ALWAYS_INLINE KScopedNotAlignedSpinLock(KNotAlignedSpinLock &l) : KScopedNotAlignedSpinLock(std::addressof(l)) { /* ... */ }
};
using KScopedSpinLock = KScopedLock<KSpinLock>;
using KScopedAlignedSpinLock = KScopedLock<KAlignedSpinLock>;
using KScopedNotAlignedSpinLock = KScopedLock<KNotAlignedSpinLock>;
}