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authorUlrich Drepper <drepper@redhat.com>1999-04-14 23:49:40 +0000
committerUlrich Drepper <drepper@redhat.com>1999-04-14 23:49:40 +0000
commitea48e2c4cc0b0a5e09e9407c9309d4a85926e8b7 (patch)
tree56f88f516b741d852200b86b6c2dc9ecb785dd6a /sunrpc
parent613ae2c8ee6e332a6963d9960518d36e8cc312c3 (diff)
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Update.
1999-04-14 Andreas Jaeger <aj@arthur.rhein-neckar.de> * wctype/test_wcfuncs.c: New file, tests towlower and towupper. * wctype/Makefile (tests): Add test_wcfuncs.
Diffstat (limited to 'sunrpc')
-rw-r--r--sunrpc/clnt_udp.c38
1 files changed, 37 insertions, 1 deletions
diff --git a/sunrpc/clnt_udp.c b/sunrpc/clnt_udp.c
index ec63f60..35ac684 100644
--- a/sunrpc/clnt_udp.c
+++ b/sunrpc/clnt_udp.c
@@ -48,6 +48,7 @@ static char sccsid[] = "@(#)clnt_udp.c 1.39 87/08/11 Copyr 1984 Sun Micro";
#include <netdb.h>
#include <errno.h>
#include <rpc/pmap_clnt.h>
+#include <net/if.h>
extern bool_t xdr_opaque_auth (XDR *, struct opaque_auth *);
extern u_long _create_xid (void);
@@ -214,6 +215,33 @@ clntudp_create (raddr, program, version, wait, sockp)
UDPMSGSIZE, UDPMSGSIZE);
}
+static int
+is_network_up (int sock)
+{
+ struct ifconf ifc;
+ char buf[UDPMSGSIZE];
+ struct ifreq ifreq, *ifr;
+ int n;
+
+ ifc.ifc_len = sizeof (buf);
+ ifc.ifc_buf = buf;
+ if (__ioctl(sock, SIOCGIFCONF, (char *) &ifc) == 0)
+ {
+ ifr = ifc.ifc_req;
+ for (n = ifc.ifc_len / sizeof (struct ifreq); n > 0; n--, ifr++)
+ {
+ ifreq = *ifr;
+ if (__ioctl (sock, SIOCGIFFLAGS, (char *) &ifreq) < 0)
+ break;
+
+ if ((ifreq.ifr_flags & IFF_UP)
+ && ifr->ifr_addr.sa_family == AF_INET)
+ return 1;
+ }
+ }
+ return 0;
+}
+
static enum clnt_stat
clntudp_call (cl, proc, xargs, argsp, xresults, resultsp, utimeout)
CLIENT *cl; /* client handle */
@@ -239,6 +267,7 @@ clntudp_call (cl, proc, xargs, argsp, xresults, resultsp, utimeout)
bool_t ok;
int nrefreshes = 2; /* number of times to refresh cred */
struct timeval timeout;
+ int anyup; /* any network interface up */
if (cu->cu_total.tv_usec == -1)
{
@@ -296,10 +325,17 @@ send_again:
fd.events = POLLIN;
for (;;)
{
- switch (__poll(&fd, 1, milliseconds))
+ switch (__poll (&fd, 1, milliseconds))
{
case 0:
+ if (anyup == 0)
+ {
+ anyup = is_network_up (cu->cu_sock);
+ if (!anyup)
+ return (cu->cu_error.re_status = RPC_CANTRECV);
+ }
+
time_waited.tv_sec += cu->cu_wait.tv_sec;
time_waited.tv_usec += cu->cu_wait.tv_usec;
while (time_waited.tv_usec >= 1000000)