clRetainDevice(3) Increments the devices reference count.

cl_int clRetainDevice(cl_device_id device);

NOTES

Increments the device reference count if device is a valid sub-device created by a call to clCreateSubDevices(3clc). If device is a root level device i.e. a cl_device_id returned by clGetDeviceIDs(3clc), the device reference count remains unchanged.

ERRORS

Returns CL_SUCCESS if the function is executed successfully or the device is a root-level device. Otherwise, it returns one of the following errors:

• CL_INVALID_DEVICE if device is not a valid sub-device created by a call to clCreateSubDevices(3clc).

• 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

m[blue]OpenCL Specificationm[][1]

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 52, section 4.3 - Partitioning a Device

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