glibc/glibc-2.2-sunrpc.diff

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The following patch was not accepted upstream, see:
http://sourceware.org/bugzilla/show_bug.cgi?id=5379
It needs rework.
Index: sunrpc/clnt_udp.c
===================================================================
--- sunrpc/clnt_udp.c.orig
+++ sunrpc/clnt_udp.c
@@ -301,6 +301,7 @@ clntudp_call (cl, proc, xargs, argsp, xr
XDR *xdrs;
int outlen = 0;
int inlen;
+ int pollresult;
socklen_t fromlen;
struct pollfd fd;
int milliseconds = (cu->cu_wait.tv_sec * 1000) +
@@ -371,37 +372,36 @@ send_again:
anyup = 0;
for (;;)
{
- switch (__poll (&fd, 1, milliseconds))
+ switch (pollresult = __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)
- {
- time_waited.tv_sec++;
- time_waited.tv_usec -= 1000000;
- }
- if ((time_waited.tv_sec < timeout.tv_sec) ||
- ((time_waited.tv_sec == timeout.tv_sec) &&
- (time_waited.tv_usec < timeout.tv_usec)))
- goto send_again;
- return (cu->cu_error.re_status = RPC_TIMEDOUT);
-
- /*
- * buggy in other cases because time_waited is not being
- * updated.
- */
case -1:
- if (errno == EINTR)
- continue;
+ if (pollresult == 0 || errno == EINTR) {
+ 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)
+ {
+ time_waited.tv_sec++;
+ time_waited.tv_usec -= 1000000;
+ }
+ if ((time_waited.tv_sec < timeout.tv_sec) ||
+ ((time_waited.tv_sec == timeout.tv_sec) &&
+ (time_waited.tv_usec < timeout.tv_usec)))
+ if (pollresult == 0)
+ goto send_again;
+ else
+ continue;
+ return (cu->cu_error.re_status = RPC_TIMEDOUT);
+ }
+
+ /* errno != EINTR */
cu->cu_error.re_errno = errno;
return (cu->cu_error.re_status = RPC_CANTRECV);
}