wasmer_wasix::state::handles::thread_local

Struct WasiInstanceGuard

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pub(crate) struct WasiInstanceGuard<'a> {
    borrow: Ref<'static, WasiModuleTreeHandles>,
    _pointer: &'a WasiInstanceHandlesPointer,
    _inner: Rc<RefCell<WasiModuleTreeHandles>>,
}
Expand description

This non-sendable guard provides memory safe access to the WasiInstance object but only when it is constructed with certain constraints

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§borrow: Ref<'static, WasiModuleTreeHandles>§_pointer: &'a WasiInstanceHandlesPointer§_inner: Rc<RefCell<WasiModuleTreeHandles>>

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Methods from Deref<Target = WasiModuleTreeHandles>§

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pub(crate) fn main_module_instance_handles(&self) -> &WasiModuleInstanceHandles

Can be used to get the WasiModuleInstanceHandles of the main module. If access to the side modules’ instance handles is required, one must go through the Linker to retrieve the one they need.

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pub(crate) fn static_module_instance_handles( &self, ) -> Option<&WasiModuleInstanceHandles>

Helper function to get the instance handles of a static module, or fail otherwise. See comments on ensure_static_module for more details.

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pub(crate) fn ensure_static_module(&self) -> Result<(), ()>

Helper function to ensure the module isn’t dynamically linked, needed since we only support a subset of WASIX functionality for dynamically linked modules. Specifically, anything that requires asyncify is not supported right now.

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pub fn memory_view<'a>( &'a self, store: &'a (impl AsStoreRef + ?Sized), ) -> MemoryView<'a>

Providers safe access to the memory (it must be initialized before it can be used)

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pub fn memory(&self) -> &Memory

Providers safe access to the memory (it must be initialized before it can be used)

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pub fn memory_clone(&self) -> Memory

Copy the lazy reference so that when it’s initialized during the export phase, all the other references get a copy of it

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pub fn linker(&self) -> Option<&Linker>

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impl Deref for WasiInstanceGuard<'_>

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type Target = WasiModuleTreeHandles

The resulting type after dereferencing.
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fn deref(&self) -> &Self::Target

Dereferences the value.

Auto Trait Implementations§

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impl<'a> Freeze for WasiInstanceGuard<'a>

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impl<'a> !RefUnwindSafe for WasiInstanceGuard<'a>

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impl<'a> !Send for WasiInstanceGuard<'a>

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impl<'a> !Sync for WasiInstanceGuard<'a>

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impl<'a> Unpin for WasiInstanceGuard<'a>

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impl<'a> !UnwindSafe for WasiInstanceGuard<'a>

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impl<T> Any for T
where T: 'static + ?Sized,

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Gets the TypeId of self. Read more
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type ArchivedMetadata = ()

The archived version of the pointer metadata for this type.
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Converts some archived metadata to the pointer metadata for itself.
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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Returns the argument unchanged.

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more
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Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn layout_raw(_: <T as Pointee>::Metadata) -> Result<Layout, LayoutError>

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where T: SharedNiching<N1, N2>, N1: Niching<T>, N2: Niching<T>,

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unsafe fn is_niched(niched: *const NichedOption<T, N1>) -> bool

Returns whether the given value has been niched. Read more
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fn resolve_niched(out: Place<NichedOption<T, N1>>)

Writes data to out indicating that a T is niched.
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const ALIGN: usize = _

The alignment of pointer.
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type Init = T

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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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type Target = T

🔬This is a nightly-only experimental API. (arbitrary_self_types)
The target type on which the method may be called.
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Should always be Self
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