Waits on the host thread for commands identified by event objects to complete.

cl_int clWaitForEvents ( cl_uint num_events,
  const cl_event *event_list)



The events specified in event_list act as synchronization points.


Waits on the host thread for commands identified by event objects in event_list to complete. A command is considered complete if its execution status is CL_COMPLETE or a negative value.


Returns CL_SUCCESS if the function was executed successfully. It returns CL_INVALID_VALUE if num_events is zero, returns CL_INVALID_CONTEXT if events specified in event_list do not belong to the same context, and returns CL_INVALID_EVENT if event objects specified in event_list are not valid event objects.


OpenCL Specification

Also see

clGetEventInfo, clReleaseEvent, clRetainEvent

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