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1978. [port] Handle systems which have a broken recvmsg().

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[RT #15742]
This commit is contained in:
Mark Andrews
2006-02-02 23:07:53 +00:00
parent c2b2bd69fa
commit 43501e6570
5 changed files with 59 additions and 5 deletions
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24
lib/isc/unix/socket.c
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@@ -15,7 +15,7 @@
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: socket.c,v 1.261 2005/12/07 04:21:27 explorer Exp $ */
/* $Id: socket.c,v 1.262 2006/02/02 23:06:45 marka Exp $ */
/*! \file */
@@ -768,8 +768,26 @@ build_msghdr_recv(isc_socket_t *sock, isc_socketevent_t *dev,
if (sock->type == isc_sockettype_udp) {
memset(&dev->address, 0, sizeof(dev->address));
#ifdef BROKEN_RECVMSG
if (sock->pf == AF_INET) {
msg->msg_name = (void *)&dev->address.type.sin;
msg->msg_namelen = sizeof(dev->address.type.sin6);
} else if (sock->pf == AF_INET6) {
msg->msg_name = (void *)&dev->address.type.sin6;
msg->msg_namelen = sizeof(dev->address.type.sin6);
#ifdef ISC_PLATFORM_HAVESYSUNH
} else if (sock->pf == AF_UNIX) {
msg->msg_name = (void *)&dev->address.type.sunix;
msg->msg_namelen = sizeof(dev->address.type.sunix);
#endif
} else {
msg->msg_name = (void *)&dev->address.type.sa;
msg->msg_namelen = sizeof(dev->address.type);
}
#else
msg->msg_name = (void *)&dev->address.type.sa;
msg->msg_namelen = sizeof(dev->address.type);
#endif
#ifdef ISC_NET_RECVOVERFLOW
/* If needed, steal one iovec for overflow detection. */
maxiov--;
@@ -942,6 +960,10 @@ doio_recv(isc_socket_t *sock, isc_socketevent_t *dev) {
cc = recvmsg(sock->fd, &msghdr, 0);
recv_errno = errno;
#if defined(ISC_SOCKET_DEBUG)
dump_msg(&msghdr);
#endif
if (cc < 0) {
if (SOFT_ERROR(recv_errno))
return (DOIO_SOFT);