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netmgr: actively close all sockets when shutting down server

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without this change, named could sometimes lag for a while on shutdown
while it waited for open TCP connections to time out.
This commit is contained in:
Witold Kręcicki
2019-11-22 14:13:19 +01:00
committed by Evan Hunt
parent 37354ee225
commit d6c5052f7e
3 changed files with 56 additions and 6 deletions
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7
lib/isc/netmgr/tcp.c
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@@ -688,3 +688,10 @@ isc__nm_async_tcpclose(isc__networker_t *worker, isc__netievent_t *ievent0) {
tcp_close_direct(ievent->sock);
}
void
isc__nm_tcp_shutdown(isc_nmsocket_t *sock) {
REQUIRE(VALID_NMSOCK(sock));
sock->rcb.recv(sock->tcphandle, NULL, sock->rcbarg);
}