Struct wasmtime_runtime::OnDemandInstanceAllocator

pub struct OnDemandInstanceAllocator { /* private fields */ }

Represents the on-demand instance allocator.

Implementations

impl OnDemandInstanceAllocator

pub fn new(
    mem_creator: Option<Arc<dyn RuntimeMemoryCreator>>,
    stack_size: usize
) -> Self

Creates a new on-demand instance allocator.

Trait Implementations

impl Clone for OnDemandInstanceAllocator

fn clone(&self) -> OnDemandInstanceAllocator

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Default for OnDemandInstanceAllocator

fn default() -> Self

Returns the “default value” for a type.

impl InstanceAllocator for OnDemandInstanceAllocator

unsafe fn allocate(
    &self,
    req: InstanceAllocationRequest<'_>
) -> Result<InstanceHandle, InstantiationError>

Allocates an instance for the given allocation request.

unsafe fn initialize(
    &self,
    handle: &mut InstanceHandle,
    module: &Module,
    is_bulk_memory: bool
) -> Result<(), InstantiationError>

Finishes the instantiation process started by an instance allocator.

unsafe fn deallocate(&self, handle: &InstanceHandle)

Deallocates a previously allocated instance.

fn allocate_fiber_stack(&self) -> Result<FiberStack, FiberStackError>

Allocates a fiber stack for calling async functions on.

unsafe fn deallocate_fiber_stack(&self, _stack: &FiberStack)

Deallocates a fiber stack that was previously allocated with allocate_fiber_stack.

fn validate(&self, module: &Module) -> Result<()>

Validates that a module is supported by the allocator.

fn adjust_tunables(&self, tunables: &mut Tunables)

Adjusts the tunables prior to creation of any JIT compiler.