Increments the program reference count.
cl_int clRetainProgram(cl_program program);
clCreateProgram does an implicit retain.
Returns CL_SUCCESS if the function is executed successfully. Otherwise, it returns one of the following errors:
CL_INVALID_PROGRAM if program is not a valid program object.
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.
\m[blue]OpenCL Specification\m[]\s-2\u[1]\d\s+2
clCreateProgramWithBinary(3clc), clCreateProgramWithSource(3clc), clRetainProgram(3clc)
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OpenCL Specification
page 136, section 5.6.1 - Creating Program Objects