.. index:: pair: group; Event class C wrapper
.. _doxid-df/d2d/group___event_interface:

Event class C wrapper
=====================

.. toctree::
	:hidden:

Overview
~~~~~~~~




.. ref-code-block:: cpp
	:class: doxyrest-overview-code-block

	
	// global functions

	:ref:`DPCTL_API<doxid-d3/daa/_dll_export_8h_1aed0c117c235d99c414e0b5033d096785>` :ref:`__dpctl_give<doxid-d2/d43/group___memory_semantics_1ga836492a42cdfef6419378dbf8d81f452>` :ref:`DPCTLSyclEventRef<doxid-df/d57/dpctl__sycl__types_8h_1a42590892ae4324c54f6ddef34009ca03>`
	:ref:`DPCTLEvent_Copy<doxid-df/d2d/group___event_interface_1ga0e67256b553c86cc2c01b8ba2ed18378>`(:ref:`__dpctl_keep<doxid-d2/d43/group___memory_semantics_1gadd48a0161309931574aed2025a16ade7>` const :ref:`DPCTLSyclEventRef<doxid-df/d57/dpctl__sycl__types_8h_1a42590892ae4324c54f6ddef34009ca03>` ERef);

	:ref:`DPCTL_API<doxid-d3/daa/_dll_export_8h_1aed0c117c235d99c414e0b5033d096785>` :ref:`__dpctl_give<doxid-d2/d43/group___memory_semantics_1ga836492a42cdfef6419378dbf8d81f452>` :ref:`DPCTLSyclEventRef<doxid-df/d57/dpctl__sycl__types_8h_1a42590892ae4324c54f6ddef34009ca03>`
	:ref:`DPCTLEvent_Create<doxid-df/d2d/group___event_interface_1ga9e1f10306d442c2253fd549fec3a045f>`(void);

	:ref:`DPCTL_API<doxid-d3/daa/_dll_export_8h_1aed0c117c235d99c414e0b5033d096785>` void
	:ref:`DPCTLEvent_Delete<doxid-df/d2d/group___event_interface_1gae16fbf7465ec6d86a63e042100feba77>`(:ref:`__dpctl_take<doxid-d2/d43/group___memory_semantics_1ga17fe5722d78d8ce138ca952889d07bc6>` :ref:`DPCTLSyclEventRef<doxid-df/d57/dpctl__sycl__types_8h_1a42590892ae4324c54f6ddef34009ca03>` ERef);

	:ref:`DPCTL_API<doxid-d3/daa/_dll_export_8h_1aed0c117c235d99c414e0b5033d096785>` :ref:`DPCTLSyclBackendType<doxid-d3/d94/dpctl__sycl__enum__types_8h_1aa217d239d7e3752c49bd9fd42c71c933>`
	:ref:`DPCTLEvent_GetBackend<doxid-df/d2d/group___event_interface_1ga30a3bc34163bac7dcb7d03b5666e157c>`(:ref:`__dpctl_keep<doxid-d2/d43/group___memory_semantics_1gadd48a0161309931574aed2025a16ade7>` :ref:`DPCTLSyclEventRef<doxid-df/d57/dpctl__sycl__types_8h_1a42590892ae4324c54f6ddef34009ca03>` ERef);

	:ref:`DPCTL_API<doxid-d3/daa/_dll_export_8h_1aed0c117c235d99c414e0b5033d096785>` :ref:`DPCTLSyclEventStatusType<doxid-d3/d94/dpctl__sycl__enum__types_8h_1ac950d7ef3975b7c553971613f4a27021>`
	:ref:`DPCTLEvent_GetCommandExecutionStatus<doxid-df/d2d/group___event_interface_1gaba5717c1481def3ceb1fc0ee6c3dabe9>`(:ref:`__dpctl_keep<doxid-d2/d43/group___memory_semantics_1gadd48a0161309931574aed2025a16ade7>` :ref:`DPCTLSyclEventRef<doxid-df/d57/dpctl__sycl__types_8h_1a42590892ae4324c54f6ddef34009ca03>` ERef);

	:ref:`DPCTL_API<doxid-d3/daa/_dll_export_8h_1aed0c117c235d99c414e0b5033d096785>` uint64_t
	:ref:`DPCTLEvent_GetProfilingInfoEnd<doxid-df/d2d/group___event_interface_1ga87d98a9b0d6d7de64cf10b7782a746dd>`(:ref:`__dpctl_keep<doxid-d2/d43/group___memory_semantics_1gadd48a0161309931574aed2025a16ade7>` :ref:`DPCTLSyclEventRef<doxid-df/d57/dpctl__sycl__types_8h_1a42590892ae4324c54f6ddef34009ca03>` ERef);

	:ref:`DPCTL_API<doxid-d3/daa/_dll_export_8h_1aed0c117c235d99c414e0b5033d096785>` uint64_t
	:ref:`DPCTLEvent_GetProfilingInfoStart<doxid-df/d2d/group___event_interface_1ga82b888e75071bab550a39257f32ef993>`(:ref:`__dpctl_keep<doxid-d2/d43/group___memory_semantics_1gadd48a0161309931574aed2025a16ade7>` :ref:`DPCTLSyclEventRef<doxid-df/d57/dpctl__sycl__types_8h_1a42590892ae4324c54f6ddef34009ca03>` ERef);

	:ref:`DPCTL_API<doxid-d3/daa/_dll_export_8h_1aed0c117c235d99c414e0b5033d096785>` uint64_t
	:ref:`DPCTLEvent_GetProfilingInfoSubmit<doxid-df/d2d/group___event_interface_1gaa1e8ec801992e1fdb0836463f73fcc85>`(:ref:`__dpctl_keep<doxid-d2/d43/group___memory_semantics_1gadd48a0161309931574aed2025a16ade7>` :ref:`DPCTLSyclEventRef<doxid-df/d57/dpctl__sycl__types_8h_1a42590892ae4324c54f6ddef34009ca03>` ERef);

	:ref:`DPCTL_API<doxid-d3/daa/_dll_export_8h_1aed0c117c235d99c414e0b5033d096785>` :ref:`__dpctl_give<doxid-d2/d43/group___memory_semantics_1ga836492a42cdfef6419378dbf8d81f452>` :ref:`DPCTLEventVectorRef<doxid-d5/d12/dpctl__sycl__event__interface_8h_1a76cea07268a5ba53a6b8d1c6f686bc02>`
	:ref:`DPCTLEvent_GetWaitList<doxid-df/d2d/group___event_interface_1ga77eab99e200776384c7c345c0f2011c7>`(:ref:`__dpctl_keep<doxid-d2/d43/group___memory_semantics_1gadd48a0161309931574aed2025a16ade7>` :ref:`DPCTLSyclEventRef<doxid-df/d57/dpctl__sycl__types_8h_1a42590892ae4324c54f6ddef34009ca03>` ERef);

	:ref:`DPCTL_API<doxid-d3/daa/_dll_export_8h_1aed0c117c235d99c414e0b5033d096785>` void
	:ref:`DPCTLEvent_Wait<doxid-df/d2d/group___event_interface_1ga3befe2587ca487628646214b7cf3b96e>`(:ref:`__dpctl_keep<doxid-d2/d43/group___memory_semantics_1gadd48a0161309931574aed2025a16ade7>` :ref:`DPCTLSyclEventRef<doxid-df/d57/dpctl__sycl__types_8h_1a42590892ae4324c54f6ddef34009ca03>` ERef);

	:ref:`DPCTL_API<doxid-d3/daa/_dll_export_8h_1aed0c117c235d99c414e0b5033d096785>` void
	:ref:`DPCTLEvent_WaitAndThrow<doxid-df/d2d/group___event_interface_1ga4b955b64cc76d942f20384e4fd566bbf>`(:ref:`__dpctl_keep<doxid-d2/d43/group___memory_semantics_1gadd48a0161309931574aed2025a16ade7>` :ref:`DPCTLSyclEventRef<doxid-df/d57/dpctl__sycl__types_8h_1a42590892ae4324c54f6ddef34009ca03>` ERef);

.. _details-df/d2d/group___event_interface:

Detailed Documentation
~~~~~~~~~~~~~~~~~~~~~~



Global Functions
----------------

.. index:: pair: function; DPCTLEvent_Copy
.. _doxid-df/d2d/group___event_interface_1ga0e67256b553c86cc2c01b8ba2ed18378:

.. ref-code-block:: cpp
	:class: doxyrest-title-code-block

	:ref:`DPCTL_API<doxid-d3/daa/_dll_export_8h_1aed0c117c235d99c414e0b5033d096785>` :ref:`__dpctl_give<doxid-d2/d43/group___memory_semantics_1ga836492a42cdfef6419378dbf8d81f452>` :ref:`DPCTLSyclEventRef<doxid-df/d57/dpctl__sycl__types_8h_1a42590892ae4324c54f6ddef34009ca03>`
	DPCTLEvent_Copy(:ref:`__dpctl_keep<doxid-d2/d43/group___memory_semantics_1gadd48a0161309931574aed2025a16ade7>` const :ref:`DPCTLSyclEventRef<doxid-df/d57/dpctl__sycl__types_8h_1a42590892ae4324c54f6ddef34009ca03>` ERef)

Returns a copy of the DPCTLSyclEventRef object.



.. rubric:: Parameters:

.. list-table::
	:widths: 20 80

	*
		- ERef

		- DPCTLSyclEventRef object to be copied.



.. rubric:: Returns:

A new DPCTLSyclEventRef created by copying the passed in DPCTLSyclEventRef object.

.. index:: pair: function; DPCTLEvent_Create
.. _doxid-df/d2d/group___event_interface_1ga9e1f10306d442c2253fd549fec3a045f:

.. ref-code-block:: cpp
	:class: doxyrest-title-code-block

	:ref:`DPCTL_API<doxid-d3/daa/_dll_export_8h_1aed0c117c235d99c414e0b5033d096785>` :ref:`__dpctl_give<doxid-d2/d43/group___memory_semantics_1ga836492a42cdfef6419378dbf8d81f452>` :ref:`DPCTLSyclEventRef<doxid-df/d57/dpctl__sycl__types_8h_1a42590892ae4324c54f6ddef34009ca03>`
	DPCTLEvent_Create(void)

A wrapper for ``sycl::event`` constructor to construct a new event.



.. rubric:: Returns:

An opaque DPCTLSyclEventRef pointer wrapping a ``sycl::event``.

.. index:: pair: function; DPCTLEvent_Delete
.. _doxid-df/d2d/group___event_interface_1gae16fbf7465ec6d86a63e042100feba77:

.. ref-code-block:: cpp
	:class: doxyrest-title-code-block

	:ref:`DPCTL_API<doxid-d3/daa/_dll_export_8h_1aed0c117c235d99c414e0b5033d096785>` void
	DPCTLEvent_Delete(:ref:`__dpctl_take<doxid-d2/d43/group___memory_semantics_1ga17fe5722d78d8ce138ca952889d07bc6>` :ref:`DPCTLSyclEventRef<doxid-df/d57/dpctl__sycl__types_8h_1a42590892ae4324c54f6ddef34009ca03>` ERef)

Deletes the DPCTLSyclEventRef after casting it to a ``sycl::event``.



.. rubric:: Parameters:

.. list-table::
	:widths: 20 80

	*
		- ERef

		- An opaque DPCTLSyclEventRef pointer that would be freed.

.. index:: pair: function; DPCTLEvent_GetBackend
.. _doxid-df/d2d/group___event_interface_1ga30a3bc34163bac7dcb7d03b5666e157c:

.. ref-code-block:: cpp
	:class: doxyrest-title-code-block

	:ref:`DPCTL_API<doxid-d3/daa/_dll_export_8h_1aed0c117c235d99c414e0b5033d096785>` :ref:`DPCTLSyclBackendType<doxid-d3/d94/dpctl__sycl__enum__types_8h_1aa217d239d7e3752c49bd9fd42c71c933>`
	DPCTLEvent_GetBackend(:ref:`__dpctl_keep<doxid-d2/d43/group___memory_semantics_1gadd48a0161309931574aed2025a16ade7>` :ref:`DPCTLSyclEventRef<doxid-df/d57/dpctl__sycl__types_8h_1a42590892ae4324c54f6ddef34009ca03>` ERef)

Returns a DPCTLSyclBackendType enum value identifying the SYCL backend associated with the event.



.. rubric:: Parameters:

.. list-table::
	:widths: 20 80

	*
		- ERef

		- Opaque pointer to a ``sycl::event``



.. rubric:: Returns:

A DPCTLSyclBackendType enum value identifying the SYCL backend associated with the event.

.. index:: pair: function; DPCTLEvent_GetCommandExecutionStatus
.. _doxid-df/d2d/group___event_interface_1gaba5717c1481def3ceb1fc0ee6c3dabe9:

.. ref-code-block:: cpp
	:class: doxyrest-title-code-block

	:ref:`DPCTL_API<doxid-d3/daa/_dll_export_8h_1aed0c117c235d99c414e0b5033d096785>` :ref:`DPCTLSyclEventStatusType<doxid-d3/d94/dpctl__sycl__enum__types_8h_1ac950d7ef3975b7c553971613f4a27021>`
	DPCTLEvent_GetCommandExecutionStatus(:ref:`__dpctl_keep<doxid-d2/d43/group___memory_semantics_1gadd48a0161309931574aed2025a16ade7>` :ref:`DPCTLSyclEventRef<doxid-df/d57/dpctl__sycl__types_8h_1a42590892ae4324c54f6ddef34009ca03>` ERef)

Returns the DPCTLSyclEventStatusType enum value for the DPCTLSyclEventRef argument.



.. rubric:: Parameters:

.. list-table::
	:widths: 20 80

	*
		- ERef

		- Opaque pointer to a ``sycl::event``



.. rubric:: Returns:

The DPCTLSyclDEventStatusType value corresponding to the event.

.. index:: pair: function; DPCTLEvent_GetProfilingInfoEnd
.. _doxid-df/d2d/group___event_interface_1ga87d98a9b0d6d7de64cf10b7782a746dd:

.. ref-code-block:: cpp
	:class: doxyrest-title-code-block

	:ref:`DPCTL_API<doxid-d3/daa/_dll_export_8h_1aed0c117c235d99c414e0b5033d096785>` uint64_t
	DPCTLEvent_GetProfilingInfoEnd(:ref:`__dpctl_keep<doxid-d2/d43/group___memory_semantics_1gadd48a0161309931574aed2025a16ade7>` :ref:`DPCTLSyclEventRef<doxid-df/d57/dpctl__sycl__types_8h_1a42590892ae4324c54f6ddef34009ca03>` ERef)

Wrapper over ``event.get_profiling_info<info::event_profiling::command_end>()``



.. rubric:: Parameters:

.. list-table::
	:widths: 20 80

	*
		- ERef

		- Opaque pointer to a ``sycl::event``



.. rubric:: Returns:

Returns a value describing the time in nanoseconds when the action associated with the command group (e.g. kernel invocation) finished executing on the device.

.. index:: pair: function; DPCTLEvent_GetProfilingInfoStart
.. _doxid-df/d2d/group___event_interface_1ga82b888e75071bab550a39257f32ef993:

.. ref-code-block:: cpp
	:class: doxyrest-title-code-block

	:ref:`DPCTL_API<doxid-d3/daa/_dll_export_8h_1aed0c117c235d99c414e0b5033d096785>` uint64_t
	DPCTLEvent_GetProfilingInfoStart(:ref:`__dpctl_keep<doxid-d2/d43/group___memory_semantics_1gadd48a0161309931574aed2025a16ade7>` :ref:`DPCTLSyclEventRef<doxid-df/d57/dpctl__sycl__types_8h_1a42590892ae4324c54f6ddef34009ca03>` ERef)

Wrapper over ``event.get_profiling_info<info::event_profiling::command_start>()``



.. rubric:: Parameters:

.. list-table::
	:widths: 20 80

	*
		- ERef

		- Opaque pointer to a ``sycl::event``



.. rubric:: Returns:

Returns a value describing the time in nanoseconds when the action associated with the command group (e.g. kernel invocation) started executing on the device.

.. index:: pair: function; DPCTLEvent_GetProfilingInfoSubmit
.. _doxid-df/d2d/group___event_interface_1gaa1e8ec801992e1fdb0836463f73fcc85:

.. ref-code-block:: cpp
	:class: doxyrest-title-code-block

	:ref:`DPCTL_API<doxid-d3/daa/_dll_export_8h_1aed0c117c235d99c414e0b5033d096785>` uint64_t
	DPCTLEvent_GetProfilingInfoSubmit(:ref:`__dpctl_keep<doxid-d2/d43/group___memory_semantics_1gadd48a0161309931574aed2025a16ade7>` :ref:`DPCTLSyclEventRef<doxid-df/d57/dpctl__sycl__types_8h_1a42590892ae4324c54f6ddef34009ca03>` ERef)

Wrapper over ``event.get_profiling_info<info::event_profiling::command_submit>()``



.. rubric:: Parameters:

.. list-table::
	:widths: 20 80

	*
		- ERef

		- Opaque pointer to a ``sycl::event``



.. rubric:: Returns:

Returns a value describing the time in nanoseconds when the associated command group was submitted to the queue.

.. index:: pair: function; DPCTLEvent_GetWaitList
.. _doxid-df/d2d/group___event_interface_1ga77eab99e200776384c7c345c0f2011c7:

.. ref-code-block:: cpp
	:class: doxyrest-title-code-block

	:ref:`DPCTL_API<doxid-d3/daa/_dll_export_8h_1aed0c117c235d99c414e0b5033d096785>` :ref:`__dpctl_give<doxid-d2/d43/group___memory_semantics_1ga836492a42cdfef6419378dbf8d81f452>` :ref:`DPCTLEventVectorRef<doxid-d5/d12/dpctl__sycl__event__interface_8h_1a76cea07268a5ba53a6b8d1c6f686bc02>`
	DPCTLEvent_GetWaitList(:ref:`__dpctl_keep<doxid-d2/d43/group___memory_semantics_1gadd48a0161309931574aed2025a16ade7>` :ref:`DPCTLSyclEventRef<doxid-df/d57/dpctl__sycl__types_8h_1a42590892ae4324c54f6ddef34009ca03>` ERef)

C-API wrapper for ``sycl::event::get_wait_list``. Returns a vector of events that this event still waits for.



.. rubric:: Parameters:

.. list-table::
	:widths: 20 80

	*
		- ERef

		- Opaque pointer to a ``sycl::event``.



.. rubric:: Returns:

A DPCTLEventVectorRef of DPCTLSyclEventRef objects.

.. index:: pair: function; DPCTLEvent_Wait
.. _doxid-df/d2d/group___event_interface_1ga3befe2587ca487628646214b7cf3b96e:

.. ref-code-block:: cpp
	:class: doxyrest-title-code-block

	:ref:`DPCTL_API<doxid-d3/daa/_dll_export_8h_1aed0c117c235d99c414e0b5033d096785>` void
	DPCTLEvent_Wait(:ref:`__dpctl_keep<doxid-d2/d43/group___memory_semantics_1gadd48a0161309931574aed2025a16ade7>` :ref:`DPCTLSyclEventRef<doxid-df/d57/dpctl__sycl__types_8h_1a42590892ae4324c54f6ddef34009ca03>` ERef)

C-API wrapper for sycl::event.wait.



.. rubric:: Parameters:

.. list-table::
	:widths: 20 80

	*
		- ERef

		- An opaque DPCTLSyclEventRef pointer on which to wait.

.. index:: pair: function; DPCTLEvent_WaitAndThrow
.. _doxid-df/d2d/group___event_interface_1ga4b955b64cc76d942f20384e4fd566bbf:

.. ref-code-block:: cpp
	:class: doxyrest-title-code-block

	:ref:`DPCTL_API<doxid-d3/daa/_dll_export_8h_1aed0c117c235d99c414e0b5033d096785>` void
	DPCTLEvent_WaitAndThrow(:ref:`__dpctl_keep<doxid-d2/d43/group___memory_semantics_1gadd48a0161309931574aed2025a16ade7>` :ref:`DPCTLSyclEventRef<doxid-df/d57/dpctl__sycl__types_8h_1a42590892ae4324c54f6ddef34009ca03>` ERef)

C-API wrapper for 'sycl::event.wait_and_throw'.



.. rubric:: Parameters:

.. list-table::
	:widths: 20 80

	*
		- ERef

		- Opaque pointer to a ``sycl::event``