Trait allocator::ByteAllocator
source · pub trait ByteAllocator: BaseAllocator {
// Required methods
fn alloc(&mut self, layout: Layout) -> AllocResult<NonNull<u8>>;
fn dealloc(&mut self, pos: NonNull<u8>, layout: Layout);
fn total_bytes(&self) -> usize;
fn used_bytes(&self) -> usize;
fn available_bytes(&self) -> usize;
}Expand description
Byte-granularity allocator.
Required Methods§
sourcefn alloc(&mut self, layout: Layout) -> AllocResult<NonNull<u8>>
fn alloc(&mut self, layout: Layout) -> AllocResult<NonNull<u8>>
Allocate memory with the given size (in bytes) and alignment.
sourcefn dealloc(&mut self, pos: NonNull<u8>, layout: Layout)
fn dealloc(&mut self, pos: NonNull<u8>, layout: Layout)
Deallocate memory at the given position, size, and alignment.
sourcefn total_bytes(&self) -> usize
fn total_bytes(&self) -> usize
Returns total memory size in bytes.
sourcefn used_bytes(&self) -> usize
fn used_bytes(&self) -> usize
Returns allocated memory size in bytes.
sourcefn available_bytes(&self) -> usize
fn available_bytes(&self) -> usize
Returns available memory size in bytes.