diff --git a/opal/mca/accelerator/accelerator.h b/opal/mca/accelerator/accelerator.h index a38da5ce629..15ebdd84a3a 100644 --- a/opal/mca/accelerator/accelerator.h +++ b/opal/mca/accelerator/accelerator.h @@ -200,7 +200,8 @@ typedef int (*opal_accelerator_base_module_stream_wait_event_fn_t)( * Creates an event. An event is a synchronization marker that can be * appended to a stream to monitor device progress or synchronize the * corresponding stream. This function will allocate memory for the object. - * To release the memory, call OBJ_RELEASE(*event); + * To release the object memory and associated resources + * call opal_accelerator_base_module_destroy_event_fn_t * * @param[IN] dev_id Associated device for the event or * MCA_ACCELERATOR_NO_DEVICE_ID @@ -211,6 +212,18 @@ typedef int (*opal_accelerator_base_module_stream_wait_event_fn_t)( typedef int (*opal_accelerator_base_module_create_event_fn_t)( int dev_id, opal_accelerator_event_t **event); +/** + * Destroys an event and release the object memory. + * This function should return immediately, but the event may complete + * and associated resources are released later. + * + * @param[IN] event Event to destroy + * + * @return OPAL_SUCCESS or error status on failure. + */ +typedef int (*opal_accelerator_base_module_destroy_event_fn_t)( + opal_accelerator_event_t *event); + /** * Records an event on a stream. An event recorded on the stream is * a synchronization marker that can be used to monitor the device's @@ -441,6 +454,7 @@ typedef struct { opal_accelerator_base_module_synchronize_stream_fn_t synchronize_stream; opal_accelerator_base_module_stream_wait_event_fn_t stream_wait_event; opal_accelerator_base_module_create_event_fn_t create_event; + opal_accelerator_base_module_destroy_event_fn_t destroy_event; opal_accelerator_base_module_record_event_fn_t record_event; opal_accelerator_base_module_query_event_fn_t query_event;