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Atomic utils fixup after ASLR changes (#17168)

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Vestral 2025-05-06 03:48:07 +09:00 • committed by GitHub
parent 74fa59590a
commit 3cebfaa648
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4 changed files with 23 additions and 17 deletions
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15
Utilities/lockless.h
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@ -384,7 +384,7 @@ public:
template <typename T>
class lf_queue final
{
public:
private:
struct fat_ptr
{
u64 ptr{};
@ -392,7 +392,6 @@ public:
u32 reserved{};
};
private:
atomic_t<fat_ptr> m_head{fat_ptr{}};
lf_queue_item<T>* load(fat_ptr value) const noexcept
@ -439,8 +438,7 @@ public:
return *this;
}
delete load(m_head);
m_head.release(other.m_head.exchange(fat_ptr{}));
delete load(m_head.exchange(other.m_head.exchange(fat_ptr{})));
return *this;
}
@ -453,10 +451,15 @@ public:
{
if (!operator bool())
{
utils::bless<atomic_t<u32>>(&m_head.raw().is_non_null)->wait(0);
get_wait_atomic().wait(0);
}
}
atomic_t<u32> &get_wait_atomic()
{
return *utils::bless<atomic_t<u32>>(&m_head.raw().is_non_null);
}
const volatile void* observe() const noexcept
{
return load(m_head);
@ -491,7 +494,7 @@ public:
{
if (force || operator bool())
{
utils::bless<atomic_t<u32>>(&m_head.raw().is_non_null)->notify_one();
get_wait_atomic().notify_one();
}
}