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author | Jeff Garzik <jgarzik@pobox.com> | 2005-11-05 14:38:55 -0500 |
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committer | Jeff Garzik <jgarzik@pobox.com> | 2005-11-05 14:38:55 -0500 |
commit | 328198acb7407301ddf6005c0fa1e04bd0c539c8 (patch) | |
tree | 9936112bd195bfbaacc9a75f2ea7ff757a2c0546 /kernel/posix-cpu-timers.c | |
parent | 9e0cb06b17be7e562cbdaba2768649f025826dc6 (diff) | |
parent | fecb4a0c87c2bcaee1f3cf800126eef752a07ed3 (diff) | |
download | lwn-328198acb7407301ddf6005c0fa1e04bd0c539c8.tar.gz lwn-328198acb7407301ddf6005c0fa1e04bd0c539c8.zip |
Merge branch 'master'
Diffstat (limited to 'kernel/posix-cpu-timers.c')
-rw-r--r-- | kernel/posix-cpu-timers.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/kernel/posix-cpu-timers.c b/kernel/posix-cpu-timers.c index bf374fceb39c..91a894264941 100644 --- a/kernel/posix-cpu-timers.c +++ b/kernel/posix-cpu-timers.c @@ -1225,7 +1225,7 @@ void posix_cpu_timer_schedule(struct k_itimer *timer) /* * The task was cleaned up already, no future firings. */ - return; + goto out; /* * Fetch the current sample and update the timer's expiry time. @@ -1235,7 +1235,7 @@ void posix_cpu_timer_schedule(struct k_itimer *timer) bump_cpu_timer(timer, now); if (unlikely(p->exit_state)) { clear_dead_task(timer, now); - return; + goto out; } read_lock(&tasklist_lock); /* arm_timer needs it. */ } else { @@ -1248,8 +1248,7 @@ void posix_cpu_timer_schedule(struct k_itimer *timer) put_task_struct(p); timer->it.cpu.task = p = NULL; timer->it.cpu.expires.sched = 0; - read_unlock(&tasklist_lock); - return; + goto out_unlock; } else if (unlikely(p->exit_state) && thread_group_empty(p)) { /* * We've noticed that the thread is dead, but @@ -1257,8 +1256,7 @@ void posix_cpu_timer_schedule(struct k_itimer *timer) * drop our task ref. */ clear_dead_task(timer, now); - read_unlock(&tasklist_lock); - return; + goto out_unlock; } cpu_clock_sample_group(timer->it_clock, p, &now); bump_cpu_timer(timer, now); @@ -1270,7 +1268,13 @@ void posix_cpu_timer_schedule(struct k_itimer *timer) */ arm_timer(timer, now); +out_unlock: read_unlock(&tasklist_lock); + +out: + timer->it_overrun_last = timer->it_overrun; + timer->it_overrun = -1; + ++timer->it_requeue_pending; } /* |