In_only, if true, indicates that the process generates does not need to
hold any output. Otherwise an output queue is used to store the results
of processing each input job.
Results hts_tpool_process pointer on success;
NULL on failure
The hts_tpool_process struct returned by a successful call should be freed
via hts_tpool_process_destroy() when it is no longer needed.
Initialises a thread process-queue.
In_only, if true, indicates that the process generates does not need to hold any output. Otherwise an output queue is used to store the results of processing each input job.
Results hts_tpool_process pointer on success; NULL on failure
The hts_tpool_process struct returned by a successful call should be freed via hts_tpool_process_destroy() when it is no longer needed.