Increments the event reference count.
cl_int clRetainEvent(cl_event event);
event
Event object being retained.
The OpenCL commands that return an event perform an implicit retain.
Returns CL_SUCCESS if the function executed successfully, or one of the errors below:
CL_INVALID_EVENT if event is not a valid event object.
CL_OUT_OF_RESOURCES if there is a failure to allocate resources required by the OpenCL implementation on the device.
CL_OUT_OF_HOST_MEMORY if there is a failure to allocate resources required by the OpenCL implementation on the host.
\m[blue]OpenCL Specification\m[]\s-2\u[1]\d\s+2
clGetEventInfo(3clc), clReleaseEvent(3clc), clWaitForEvents(3clc)
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OpenCL Specification
page 184, section 5.9 - Event Objects