Struct JobRef

pub(crate) struct JobRef {
    pointer: *const (),
    execute_fn: unsafe fn(*const ()),
}

Effectively a Job trait object. Each JobRef must be executed exactly once, or else data may leak.

Internally, we store the job’s data in a *const () pointer. The true type is something like *const StackJob<...>, but we hide it. We also carry the “execute fn” from the Job trait.

Fields

pointer: *const ()

execute_fn: unsafe fn(*const ())

Implementations

impl JobRef

pub(crate) unsafe fn new<T>(data: *const T) -> JobRef

where T: Job,

Unsafe: caller asserts that data will remain valid until the job is executed.

pub(crate) fn id(&self) -> impl Eq

Returns an opaque handle that can be saved and compared, without making JobRef itself Copy + Eq.

pub(crate) unsafe fn execute(self)

Trait Implementations

impl Send for JobRef

impl Sync for JobRef

Layout

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 16 bytes