upstream/bind9
1
0
Fork 0
mirror of https://github.com/isc-projects/bind9.git synced 2026-06-10 18:49:59 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions 2

add missing exit checks to udp_recv and tcp_recv

Browse source
This commit is contained in:
Bob Halley 2000-02-02 23:29:47 +00:00
parent ffd9f87970
commit 6da50be436
1 changed files with 28 additions and 11 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

39
lib/dns/dispatch.c
View file

@ -407,25 +407,36 @@ udp_recv(isc_task_t *task, isc_event_t *ev_in)
INSIST(disp->recvs > 0);
disp->recvs--;
if (disp->refcount == 0) {
/*
* This dispatcher is shutting down.
*/
free_buffer(disp, ev->region.base, ev->region.length);
killit = ISC_FALSE;
if (disp->recvs == 0 && disp->refcount == 0)
killit = ISC_TRUE;
UNLOCK(&disp->lock);
if (killit)
destroy(disp);
isc_event_free(&ev_in);
return;
}
if (ev->result != ISC_R_SUCCESS) {
XDEBUG(("recv result %d (%s)\n", ev->result,
isc_result_totext(ev->result)));
free_buffer(disp, ev->region.base, ev->region.length);
/*
* If the recv() was canceled pass the word on.
*/
if (ev->result == ISC_R_CANCELED) {
free_buffer(disp, ev->region.base, ev->region.length);
killit = ISC_FALSE;
if (disp->recvs == 0 && disp->refcount == 0)
killit = ISC_TRUE;
UNLOCK(&disp->lock);
if (killit)
destroy(disp);
isc_event_free(&ev_in);
return;
}
@ -434,7 +445,6 @@ udp_recv(isc_task_t *task, isc_event_t *ev_in)
* otherwise, on strange error, log it and restart.
* XXXMLG
*/
free_buffer(disp, ev->region.base, ev->region.length);
goto restart;
}
@ -584,6 +594,13 @@ tcp_recv(isc_task_t *task, isc_event_t *ev_in)
INSIST(disp->recvs > 0);
disp->recvs--;
if (disp->refcount == 0) {
/*
* This dispatcher is shutting down. Force cancelation.
*/
tcpmsg->result = ISC_R_CANCELED;
}
switch (tcpmsg->result) {
case ISC_R_SUCCESS:
break;