17.2.427. MPI_T_event_read

MPI_T_event_read — Read the value of a event instance.

17.2.427.1. INPUT PARAMETERS

• event_instance: event-instance handle provided to the callback function.

• elem_index: index into the array of datatypes of the item to be queried.

• buffer: pointer to a memory location to store the item data

17.2.427.2. DESCRIPTION

MPI_T_event_read allows users to copy one element of the event data to a userspecified buffer at a time.

17.2.427.3. ERRORS

MPI_T_event_read will fail if:

• MPI_T_ERR_NOT_INITIALIZED: The MPI Tools interface is not initialized.

• MPI_T_ERR_INVALID_HANDLE: The handle is invalid.

• MPI_T_ERR_INVALID_HANDLE: Invalid use of the interface or bad parameter values(s).

• MPI_T_ERR_OTHER: Other error

See also

• MPI_T_event_copy

• MPI_T_Events

• MPI_T