[−][src]Struct snmalloc_rs::SnMalloc
Trait Implementations
impl GlobalAlloc for SnMalloc
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unsafe fn alloc(&self, layout: Layout) -> *mut u8
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Allocate the memory with the given alignment and size. On success, it returns a pointer pointing to the required memory address. On failure, it returns a null pointer. The client must assure the following things:
alignment
is greater than zero- Other constrains are the same as the rust standard library. The program may be forced to abort if the constrains are not full-filled.
unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout)
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De-allocate the memory at the given address with the given alignment and size. The client must assure the following things:
- the memory is acquired using the same allocator and the pointer points to the start position.
- Other constrains are the same as the rust standard library. The program may be forced to abort if the constrains are not full-filled.
unsafe fn realloc(
&self,
ptr: *mut u8,
layout: Layout,
new_size: usize
) -> *mut u8
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&self,
ptr: *mut u8,
layout: Layout,
new_size: usize
) -> *mut u8
Re-allocate the memory at the given address with the given alignment and size.
On success, it returns a pointer pointing to the required memory address.
The memory content within the new_size
will remains the same as previous.
On failure, it returns a null pointer. In this situation, the previous memory is not returned to the allocator.
The client must assure the following things:
- the memory is acquired using the same allocator and the pointer points to the start position
alignment
fulfills all the requirements asrust_alloc
- Other constrains are the same as the rust standard library. The program may be forced to abort if the constrains are not full-filled.
unsafe fn alloc_zeroed(&self, layout: Layout) -> *mut u8
1.28.0[src]
Auto Trait Implementations
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,