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A task woken from a semaphore, a signal wait, a message queue or an event wait gets its timeout watchdog cancelled, but most waiters set none, and wd_cancel() then only takes the critical section to find that out. Check WDOG_ISACTIVE() first at these call sites. Each already holds the critical section, so wd_expiration() cannot be running the watchdog on another CPU and the check is exact on SMP too. wd_cancel() itself keeps its locked check. Assisted-by: Claude Code:claude-opus-5-5 Signed-off-by: Marco Casaroli <marco.casaroli@gmail.com> |
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| .. | ||
| CMakeLists.txt | ||
| Make.defs | ||
| sig_action.c | ||
| sig_allocpendingsigaction.c | ||
| sig_cleanup.c | ||
| sig_clockwait.c | ||
| sig_default.c | ||
| sig_deliver.c | ||
| sig_dispatch.c | ||
| sig_findaction.c | ||
| sig_initialize.c | ||
| sig_kill.c | ||
| sig_lowest.c | ||
| sig_nanosleep.c | ||
| sig_notification.c | ||
| sig_pause.c | ||
| sig_pending.c | ||
| sig_ppoll.c | ||
| sig_procmask.c | ||
| sig_pselect.c | ||
| sig_queue.c | ||
| sig_releasependingsigaction.c | ||
| sig_releasependingsignal.c | ||
| sig_removependingsignal.c | ||
| sig_sleep.c | ||
| sig_suspend.c | ||
| sig_tgkill.c | ||
| sig_timedwait.c | ||
| sig_unmaskpendingsignal.c | ||
| sig_usleep.c | ||
| sig_waitinfo.c | ||
| signal.h | ||