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If UTS kernel is calling kse_wakeup for itself, do nothing.

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This commit is contained in:
David Xu 2003-02-21 07:11:38 +00:00
parent 56eac725a3
commit 34ada4b3bb
2 changed files with 12 additions and 6 deletions
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9
sys/kern/kern_kse.c
View File

@ -538,13 +538,17 @@ kse_wakeup(struct thread *td, struct kse_wakeup_args *uap)
/* KSE-enabled processes only, please. */
if (!(p->p_flag & P_KSES))
return (EINVAL);
if ((td->td_ksegrp->kg_numupcalls != 0) && (td->td_mailbox == NULL)) {
KASSERT((td->td_upcall != NULL), ("%s: not own an upcall", __func__));
if (td->td_upcall->ku_mailbox == uap->mbx)
return (0);
}
PROC_LOCK(p);
mtx_lock_spin(&sched_lock);
if (uap->mbx) {
FOREACH_KSEGRP_IN_PROC(p, kg) {
FOREACH_UPCALL_IN_GROUP(kg, ku) {
if (ku->ku_mailbox == uap->mbx)
if (ku->ku_mailbox == uap->mbx)
break;
}
if (ku)
@ -565,7 +569,6 @@ kse_wakeup(struct thread *td, struct kse_wakeup_args *uap)
panic("%s: no owner", __func__);
} else if (TD_ON_SLEEPQ(td2) &&
(td2->td_wchan == &kg->kg_completed)) {
ku->ku_flags |= KUF_DOUPCALL;
abortsleep(td2);
} else {
ku->ku_flags |= KUF_DOUPCALL;

9
sys/kern/kern_thread.c
View File

@ -538,13 +538,17 @@ kse_wakeup(struct thread *td, struct kse_wakeup_args *uap)
/* KSE-enabled processes only, please. */
if (!(p->p_flag & P_KSES))
return (EINVAL);
if ((td->td_ksegrp->kg_numupcalls != 0) && (td->td_mailbox == NULL)) {
KASSERT((td->td_upcall != NULL), ("%s: not own an upcall", __func__));
if (td->td_upcall->ku_mailbox == uap->mbx)
return (0);
}
PROC_LOCK(p);
mtx_lock_spin(&sched_lock);
if (uap->mbx) {
FOREACH_KSEGRP_IN_PROC(p, kg) {
FOREACH_UPCALL_IN_GROUP(kg, ku) {
if (ku->ku_mailbox == uap->mbx)
if (ku->ku_mailbox == uap->mbx)
break;
}
if (ku)
@ -565,7 +569,6 @@ kse_wakeup(struct thread *td, struct kse_wakeup_args *uap)
panic("%s: no owner", __func__);
} else if (TD_ON_SLEEPQ(td2) &&
(td2->td_wchan == &kg->kg_completed)) {
ku->ku_flags |= KUF_DOUPCALL;
abortsleep(td2);
} else {
ku->ku_flags |= KUF_DOUPCALL;