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clReleaseCommandQueue - Decrements the command_queue reference count. cl_int clReleaseCommandQueue(cl_command_queue command_queue);
command_queue Specifies the command-queue to release.
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.
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.
clCreateCommandQueue(3clc), clGetCommandQueueInfo(3clc), clRetainCommandQueue(3clc)
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1. OpenCL Specification page 63, section 5.1 - Command Queues