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SlabByteAllocator

Struct SlabByteAllocator 

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pub struct SlabByteAllocator<const PAGE_SIZE: usize = { crate::DEFAULT_PAGE_SIZE }> { /* private fields */ }
Expand description

Slab byte allocator with pooled linked lists

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impl<const PAGE_SIZE: usize> SlabByteAllocator<PAGE_SIZE>

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pub const fn new() -> Self

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pub fn init(&mut self)

Initialize the allocator

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pub fn set_page_allocator( &mut self, page_allocator: *mut dyn PageAllocatorForSlab, )

Trait Implementations§

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impl<const PAGE_SIZE: usize> ByteAllocator for SlabByteAllocator<PAGE_SIZE>

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fn alloc(&mut self, layout: Layout) -> AllocResult<NonNull<u8>>

Allocate memory with the given size (in bytes) and alignment. Read more
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fn dealloc(&mut self, ptr: NonNull<u8>, layout: Layout)

Deallocate memory at the given position, size, and alignment. Read more
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fn total_bytes(&self) -> usize

Returns total memory size in bytes managed by this allocator.
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fn used_bytes(&self) -> usize

Returns allocated memory size in bytes.
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fn available_bytes(&self) -> usize

Returns available memory size in bytes.
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impl<const PAGE_SIZE: usize> Default for SlabByteAllocator<PAGE_SIZE>

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl<const PAGE_SIZE: usize> Send for SlabByteAllocator<PAGE_SIZE>

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impl<const PAGE_SIZE: usize> Sync for SlabByteAllocator<PAGE_SIZE>

Auto Trait Implementations§

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impl<const PAGE_SIZE: usize> Freeze for SlabByteAllocator<PAGE_SIZE>

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impl<const PAGE_SIZE: usize = { crate::DEFAULT_PAGE_SIZE }> !RefUnwindSafe for SlabByteAllocator<PAGE_SIZE>

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impl<const PAGE_SIZE: usize> Unpin for SlabByteAllocator<PAGE_SIZE>

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impl<const PAGE_SIZE: usize = { crate::DEFAULT_PAGE_SIZE }> !UnwindSafe for SlabByteAllocator<PAGE_SIZE>

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.