svn commit: r254932 - head/sys/kern
John-Mark Gurney
jmg at FreeBSD.org
Mon Aug 26 18:53:20 UTC 2013
Author: jmg
Date: Mon Aug 26 18:53:19 2013
New Revision: 254932
URL: http://svnweb.freebsd.org/changeset/base/254932
Log:
fix up some comments and a white space issue...
MFC after: 3 days
Modified:
head/sys/kern/kern_event.c
Modified: head/sys/kern/kern_event.c
==============================================================================
--- head/sys/kern/kern_event.c Mon Aug 26 18:51:48 2013 (r254931)
+++ head/sys/kern/kern_event.c Mon Aug 26 18:53:19 2013 (r254932)
@@ -565,7 +565,7 @@ filt_timerattach(struct knote *kn)
memory_order_relaxed));
kn->kn_flags |= EV_CLEAR; /* automatically set */
- kn->kn_status &= ~KN_DETACHED; /* knlist_add usually sets it */
+ kn->kn_status &= ~KN_DETACHED; /* knlist_add clears it */
calloutp = malloc(sizeof(*calloutp), M_KQUEUE, M_WAITOK);
callout_init(calloutp, CALLOUT_MPSAFE);
kn->kn_hook = calloutp;
@@ -587,7 +587,7 @@ filt_timerdetach(struct knote *kn)
free(calloutp, M_KQUEUE);
old = atomic_fetch_sub_explicit(&kq_ncallouts, 1, memory_order_relaxed);
KASSERT(old > 0, ("Number of callouts cannot become negative"));
- kn->kn_status |= KN_DETACHED; /* knlist_remove usually clears it */
+ kn->kn_status |= KN_DETACHED; /* knlist_remove sets it */
}
static int
@@ -1467,7 +1467,7 @@ retry:
*kevp = kn->kn_kevent;
KQ_LOCK(kq);
KQ_GLOBAL_UNLOCK(&kq_global, haskqglobal);
- if (kn->kn_flags & (EV_CLEAR | EV_DISPATCH)) {
+ if (kn->kn_flags & (EV_CLEAR | EV_DISPATCH)) {
/*
* Manually clear knotes who weren't
* 'touch'ed.
@@ -1859,7 +1859,7 @@ knlist_remove_kq(struct knlist *knl, str
}
/*
- * remove all knotes from a specified klist
+ * remove knote from the specified knlist
*/
void
knlist_remove(struct knlist *knl, struct knote *kn, int islocked)
@@ -1869,7 +1869,7 @@ knlist_remove(struct knlist *knl, struct
}
/*
- * remove knote from a specified klist while in f_event handler.
+ * remove knote from the specified knlist while in f_event handler.
*/
void
knlist_remove_inevent(struct knlist *knl, struct knote *kn)
@@ -2002,7 +2002,7 @@ knlist_destroy(struct knlist *knl)
#ifdef INVARIANTS
/*
* if we run across this error, we need to find the offending
- * driver and have it call knlist_clear.
+ * driver and have it call knlist_clear or knlist_delete.
*/
if (!SLIST_EMPTY(&knl->kl_list))
printf("WARNING: destroying knlist w/ knotes on it!\n");
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