C Specification

To increment a command-buffer’s reference count, call the function

// Provided by cl_khr_command_buffer
cl_int clRetainCommandBufferKHR(
    cl_command_buffer_khr command_buffer);
clRetainCommandBufferKHR is provided by the cl_khr_command_buffer extension.

Parameters

  • command_buffer specifies the command-buffer to retain.

Description

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

  • CL_INVALID_COMMAND_BUFFER_KHR if command_buffer is not a valid command-buffer.

  • 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.

See Also

cl_command_buffer_khr, cl_khr_command_buffer

Document Notes

For more information, see the OpenCL Specification

This page is extracted from the OpenCL Specification. Fixes and changes should be made to the Specification, not directly.

Copyright

Copyright 2014-2025 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0