ComputerSurge/bind9
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add shutdown_task lock comment

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Mark Andrews
2008-05-05 01:49:39 +00:00
parent 6cf976e1d8
commit e1ebedbb23
1 changed files with 5 additions and 2 deletions
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lib/dns/adb.c
+5 -2
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@@ -15,7 +15,7 @@
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: adb.c,v 1.181.2.11.2.37 2008/04/28 23:45:37 tbox Exp $ */
/* $Id: adb.c,v 1.181.2.11.2.38 2008/05/05 01:49:39 marka Exp $ */
/*
* Implementation notes
@@ -1765,13 +1765,16 @@ shutdown_task(isc_task_t *task, isc_event_t *ev) {
adb = ev->ev_arg;
INSIST(DNS_ADB_VALID(adb));
/*
* Wait for lock around check_exit() call to be released.
*/
LOCK(&adb->lock);
/*
* Kill the timer, and then the ADB itself. Note that this implies
* that this task was the one scheduled to get timer events. If
* this is not true (and it is unfortunate there is no way to INSIST()
* this) badness will occur.
*/
LOCK(&adb->lock);
isc_timer_detach(&adb->timer);
UNLOCK(&adb->lock);
isc_event_free(&ev);