---
name: "clReleaseCommandQueue"
section: "3clc"
platform: "linux"
package: "opencl-1.2-man-doc"
version: "1.0~svn33624-5.1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/clReleaseCommandQueue"
---

# clReleaseCommandQueue(3clc)

Decrements the command\_queue reference count.

## NAME

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**\[1\]

## SEE ALSO

[**clCreateCommandQueue**(3clc)](/clCreateCommandQueue/3clc.md), [**clGetCommandQueueInfo**(3clc)](/clGetCommandQueueInfo/3clc.md), [**clRetainCommandQueue**(3clc)](/clRetainCommandQueue/3clc.md)

## AUTHORS

**The Khronos Group**

## COPYRIGHT

Copyright © 2007-2011 The Khronos Group Inc.\
 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and/or associated documentation files (the "Materials"), to deal in the Materials without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Materials, and to permit persons to whom the Materials are furnished to do so, subject to the condition that this copyright notice and permission notice shall be included in all copies or substantial portions of the Materials.

## NOTES

- 1\.

  OpenCL Specification

  page 63, section 5.1 - Command Queues