Notes
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.
If the cl_khr_gl_event extension is enabled, event objects can also be used to reflect the status of an OpenGL sync object. The sync object in turn refers to a fence command executing in an OpenGL command stream. This provides another method of coordinating sharing of buffers and images between OpenGL and OpenCL.
Errors
Returns CL_SUCCESS if the execution status of all
events in event_list is CL_COMPLETE.
Otherwise, it returns one of the following errors:
- CL_INVALID_VALUE if
num_eventsis zero orevent_listis NULL.. - CL_INVALID_CONTEXT if events specified in
event_listdo not belong to the same context. - CL_INVALID_EVENT if event objects specified in
event_listare not valid event objects. - CL_EXEC_STATUS_ERROR_FOR_EVENTS_IN_WAIT_LIST if the execution status
of any of the events in
event_listis a negative integer value. - 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.
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