Struct tikv_jemallocator::Jemalloc

pub struct Jemalloc;

Handle to the jemalloc allocator

This type implements the GlobalAllocAlloc trait, allowing usage a global allocator.

When the alloc_trait feature of this crate is enabled, it also implements the Alloc trait, allowing usage in collections.

Trait Implementations

impl Clone for Jemalloc

fn clone(&self) -> Jemalloc

Returns a copy of the value.

pub fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for Jemalloc

impl Debug for Jemalloc

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for Jemalloc

fn default() -> Jemalloc

Returns the “default value” for a type.

impl GlobalAlloc for Jemalloc

unsafe fn alloc(&self, layout: Layout) -> *mut u8

Allocate memory as described by the given layout.

unsafe fn alloc_zeroed(&self, layout: Layout) -> *mut u8

Behaves like alloc, but also ensures that the contents are set to zero before being returned.

unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout)

Deallocate the block of memory at the given ptr pointer with the given layout.

unsafe fn realloc(
    &self,
    ptr: *mut u8,
    layout: Layout,
    new_size: usize
) -> *mut u8

Shrink or grow a block of memory to the given new_size. The block is described by the given ptr pointer and layout.