Increase priority for thread-pool threads

For certain processing, e.g., in the case of FH 7.2, we need to ensure
that critical L1 processing happens fast. Try to force speedy processing
with this high priority.

common/utils/threadPool/thread-pool.c

@@ -150,8 +150,11 @@ void initNamedTpool(char *params,tpool_t *pool, bool performanceMeas, char *name
         //Configure the thread scheduler policy for Linux
         // set the thread name for debugging
         sprintf(pool->allthreads->name,"%s%d_%d",tname,pool->nbThreads,pool->allthreads->coreID);
+        // we set the maximum priority for thread pool threads (which is close
+        // but not equal to Linux maximum). See also the corresponding commit
+        // message; initially introduced for O-RAN 7.2 fronthaul split
         threadCreate(&pool->allthreads->threadID, one_thread, (void *)pool->allthreads,
-                     pool->allthreads->name, pool->allthreads->coreID, OAI_PRIORITY_RT);
+                     pool->allthreads->name, pool->allthreads->coreID, OAI_PRIORITY_RT_MAX);
         pool->nbThreads++;
     }