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address race condition with multiple isc_socket_connect calls in change 4041

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This commit is contained in:
Mark Andrews
2015-02-18 23:32:31 +11:00
parent e58eb371a0
commit 6a837e5121
2 changed files with 20 additions and 0 deletions
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10
lib/isc/unix/socket.c
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@@ -5719,6 +5719,16 @@ isc__socket_connect(isc_socket_t *sock0, isc_sockaddr_t *addr,
goto queue;
}
if (sock->connected) {
INSIST(isc_sockaddr_equal(&sock->peer_address, addr));
dev->result = ISC_R_SUCCESS;
isc_task_send(task, ISC_EVENT_PTR(&dev));
UNLOCK(&sock->lock);
return (ISC_R_SUCCESS);
}
/*
* Try to do the connect right away, as there can be only one
* outstanding, and it might happen to complete.