Subj : Re: will while(1); thread hang the CPU. To : comp.programming.threads From : dmarkh Date : Wed Sep 28 2005 02:07 am It will for sure if you are running your task SCHED_FIFO or SCHED_RR at a real-time priority. It will even if you while(1) sched_yield(); with SCHED_FIFO or SCHED_RR at a real-time priority. Mark .