Struct ExternalSemaphore 

pub struct ExternalSemaphore { /* private fields */ }

An imported external-semaphore handle (Vulkan VkSemaphore / timeline, D3D12 fence, NvSciSync, keyed mutex). Destroyed on drop.

Implementations

impl ExternalSemaphore

pub unsafe fn import( context: &Context, desc: &CUDA_EXTERNAL_SEMAPHORE_HANDLE_DESC, ) -> Result<Self>

Import an external-semaphore handle described by desc.

Safety

Same discipline as ExternalMemory::import: desc.handle must be a live OS object this process may access.

pub fn signal_fence_async(&self, value: u64, stream: &Stream) -> Result<()>

Enqueue a signal of fence value value on stream for timeline / D3D12 fence semaphores.

pub fn wait_fence_async(&self, value: u64, stream: &Stream) -> Result<()>

Enqueue a wait for fence value value on stream. The stream blocks (on-device) until the external fence reaches that value.

pub fn as_raw(&self) -> CUexternalSemaphore

Trait Implementations

impl Clone for ExternalSemaphore

fn clone(&self) -> ExternalSemaphore

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ExternalSemaphore

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.