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Change the isc__nm_tcpdns_stoplistening() to be asynchronous event

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The isc__nm_tcpdns_stoplistening() would call isc__nmsocket_clearcb()
that would clear the .accept_cb from non-netmgr thread.  Change the
tcpdns_stoplistening to enqueue ievent that would get processed in the
right netmgr thread to avoid locking.
This commit is contained in:
Ondřej Surý
2020-10-02 09:28:29 +02:00
parent fe0a62654c
commit d86a74d8a4
4 changed files with 33 additions and 6 deletions
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7
lib/isc/netmgr/tcp.c
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@@ -536,12 +536,11 @@ error:
void
isc__nm_tcp_stoplistening(isc_nmsocket_t *sock) {
isc__netievent_tcpstop_t *ievent = NULL;
REQUIRE(VALID_NMSOCK(sock));
REQUIRE(!isc__nm_in_netthread());
REQUIRE(sock->type == isc_nm_tcplistener);
ievent = isc__nm_get_ievent(sock->mgr, netievent_tcpstop);
isc__netievent_tcpstop_t *ievent =
isc__nm_get_ievent(sock->mgr, netievent_tcpstop);
isc__nmsocket_attach(sock, &ievent->sock);
isc__nm_enqueue_ievent(&sock->mgr->workers[sock->tid],
(isc__netievent_t *)ievent);