Struct MeasuredAllocator 

pub struct MeasuredAllocator<A = System> { /* private fields */ }

MeasuredAllocator

Instrument an existing global allocator while preserving its allocation contract. Counters are opt-in and scoped to the calling thread.

Implementations

impl<A> MeasuredAllocator<A>

pub const fn new(allocator: A) -> Self

Wrap the allocator selected by this test binary.

Trait Implementations

impl<A: GlobalAlloc> GlobalAlloc for MeasuredAllocator<A>

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

Allocates 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, pointer: *mut u8, layout: Layout)

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

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

Shrinks or grows a block of memory to the given new_size in bytes. The block is described by the given ptr pointer and layout.