clReleaseCommandQueue
clReleaseCommandQueue
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clReleaseCommandQueue Decrements the `command_queue` reference count.

##

cl_int `clReleaseCommandQueue` cl_command_queue command_queue

## Parameters

`command_queue`

  Specifies the command-queue to release.

## Notes

After the `command_queue` reference count becomes zero and all commands queued to `command_queue` have finished (e.g., kernel executions, memory object updates, etc.), the command-queue is deleted.

`clReleaseCommandQueue` performs an implicit flush to issue any previously queued OpenCL commands in `command_queue`.

## Errors

Returns CL_SUCCESS if the function is executed successfully. Otherwise, it returns one of the following:

- CL_INVALID_COMMAND_QUEUE if `command_queue` is not a valid command queue.
- 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.

## Specification

OpenCL Specification

## Also see

clCreateCommandQueue, clGetCommandQueueInfo, clRetainCommandQueue

##