Enable or disable the properties of a command-queue.  cl_int
clSetCommandQueueProperty( cl_command_queue command_queue,  
cl_command_queue_properties properties,   cl_bool enable,  
cl_command_queue_properties *old_properties)     Specifies the
command-queue being queried.   Specifies the new command-queue
properties to be applied to command_queue. Only command-queue
properties specified for clCreateCommandQueue can be set in
properties; otherwise the value specified in properties is
considered to be not valid.   Determines whether the values
specified by properties are enabled (if enable is CL_TRUE) or
disabled (if enable is CL_FALSE) for the command-queue. The
allowed property values are the same as those specified for
clCreateCommandQueue.   Returns the command-queue properties
before they were changed by clSetCommandQueueProperty. If
old_properties is NULL, it is ignored.   As specified for
clCreateCommandQueue, the CL_QUEUE_OUT_OF_ORDER_EXEC_MODE_ENABLE
command-queue property determines whether the comma