Digital UNIX Internals ISupporting User Threads12 - 25 NXM struct thread nxm_flags Values NXM_IDLE idle with no scheduler context NXM_SCHED has valid scheduler context NXM_NOSCHED no valid scheduler context NXM_BLOCKED blocked NXM thread NXM_FP_STATE blocked and has FP state NXM_BOUND user thread bound to kernel thread NXM_EXEC exec in progress NXM_RESCHED force resched