Enqueues a marker command.

cl_int clEnqueueMarker ( cl_command_queue command_queue,
  cl_event *event)


Enqueues a marker command to command_queue. The marker command returns an event which can be used to queue a wait on this marker event i.e. wait for all commands queued before the marker command to complete.


Returns CL_SUCCESS if the function is successfully executed. It returns CL_INVALID_COMMAND_QUEUE if command_queue is not a valid command-queue, returns CL_INVALID_VALUE if event is a NULL value and returns CL_OUT_OF_HOST_MEMORY if there is a failure to allocate resources required by the OpenCL implementation on the host.


OpenCL Specification

Also see

clEnqueueWaitForEvents, clEnqueueBarrier

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