Date: Sun, 11 Apr 2004 02:11:09 -0700 (PDT) From: Julian Elischer <julian@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 50825 for review Message-ID: <200404110911.i3B9B9sa014848@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=50825 Change 50825 by julian@julian_jules1 on 2004/04/11 02:10:23 tweek tweek Affected files ... .. //depot/projects/nsched/sys/kern/kern_thread.c#7 edit Differences ... ==== //depot/projects/nsched/sys/kern/kern_thread.c#7 (text+ko) ==== @@ -1262,6 +1262,7 @@ td->td_standin = NULL; } + /* drop FPU & debug register state */ cpu_thread_exit(td); /* XXXSMP */ /* * The last thread is left attached to the process @@ -1440,6 +1441,8 @@ if (spare == NULL) { spare = thread_alloc(); spare->td_tid = thread_new_tid(); + } else { + sched_init_thread(spare); } td->td_standin = spare; bzero(&spare->td_startzero, @@ -1476,8 +1479,7 @@ bcopy(&td->td_startcopy, &td2->td_startcopy, (unsigned) RANGEOF(struct thread, td_startcopy, td_endcopy)); thread_link(td2, ku->ku_ksegrp); - sched_init_thread(td2); - /* inherit blocked thread's context */ + /* inherit parts of blocked thread's context as a good template */ cpu_set_upcall(td2, td); /* Let the new thread become owner of the upcall */ ku->ku_owner = td2; @@ -1488,7 +1490,6 @@ td2->td_inhibitors = 0; SIGFILLSET(td2->td_sigmask); SIG_CANTMASK(td2->td_sigmask); - sched_init_thread(td2); sched_fork_thread(td, td2); return (td2); /* bogus.. should be a void function */ }
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