diff options
| -rw-r--r-- | sys/kern/kern_sig.c | 16 | ||||
| -rw-r--r-- | sys/kern/subr_sleepqueue.c | 3 |
2 files changed, 16 insertions, 3 deletions
diff --git a/sys/kern/kern_sig.c b/sys/kern/kern_sig.c index 59e16ca8e6c8..b88556f2954d 100644 --- a/sys/kern/kern_sig.c +++ b/sys/kern/kern_sig.c @@ -2156,6 +2156,18 @@ tdksignal(struct thread *td, int sig, ksiginfo_t *ksi) (void) tdsendsignal(td->td_proc, td, sig, ksi); } +static int +sig_sleepq_abort(struct thread *td, int intrval) +{ + THREAD_LOCK_ASSERT(td, MA_OWNED); + + if (intrval == 0 && (td->td_flags & TDF_SIGWAIT) == 0) { + thread_unlock(td); + return (0); + } + return (sleepq_abort(td, intrval)); +} + int tdsendsignal(struct proc *p, struct thread *td, int sig, ksiginfo_t *ksi) { @@ -2374,7 +2386,7 @@ tdsendsignal(struct proc *p, struct thread *td, int sig, ksiginfo_t *ksi) PROC_SLOCK(p); thread_lock(td); if (TD_CAN_ABORT(td)) - wakeup_swapper = sleepq_abort(td, intrval); + wakeup_swapper = sig_sleepq_abort(td, intrval); else thread_unlock(td); PROC_SUNLOCK(p); @@ -2505,7 +2517,7 @@ tdsigwakeup(struct thread *td, int sig, sig_t action, int intrval) if (td->td_priority > PUSER && !TD_IS_IDLETHREAD(td)) sched_prio(td, PUSER); - wakeup_swapper = sleepq_abort(td, intrval); + wakeup_swapper = sig_sleepq_abort(td, intrval); PROC_SUNLOCK(p); if (wakeup_swapper) kick_proc0(); diff --git a/sys/kern/subr_sleepqueue.c b/sys/kern/subr_sleepqueue.c index 8d61383f9737..36832ef96ba4 100644 --- a/sys/kern/subr_sleepqueue.c +++ b/sys/kern/subr_sleepqueue.c @@ -1126,7 +1126,8 @@ sleepq_abort(struct thread *td, int intrval) THREAD_LOCK_ASSERT(td, MA_OWNED); MPASS(TD_ON_SLEEPQ(td)); MPASS(td->td_flags & TDF_SINTR); - MPASS(intrval == 0 || intrval == EINTR || intrval == ERESTART); + MPASS((intrval == 0 && (td->td_flags & TDF_SIGWAIT) != 0) || + intrval == EINTR || intrval == ERESTART); /* * If the TDF_TIMEOUT flag is set, just leave. A |