Trait dbkit_engine::allocator::Allocator

pub trait Allocator: Send + Sync {
    fn allocate(&self, size: usize) -> Result<OwnedChunk, DBError>;
    fn allocate_aligned(&self, size: usize, align: usize) -> Result<OwnedChunk, DBError>;
    unsafe fn resize<'a>(&self, prev: &mut OwnedChunk<'a>, size: usize) -> Option<DBError>;
    fn putback(&self, data: &mut OwnedChunk);
}

Allocator trait, used through out the operations in dbkit.

Allocators have to maintain their own synchornization

Required Methods

fn allocate(&self, size: usize) -> Result<OwnedChunk, DBError>

fn allocate_aligned(&self, size: usize, align: usize) -> Result<OwnedChunk, DBError>

unsafe fn resize<'a>(&self, prev: &mut OwnedChunk<'a>, size: usize) -> Option<DBError>

Resize; will try to resize in place if possible

fn putback(&self, data: &mut OwnedChunk)

Implementors

• impl Allocator for HeapAllocator