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authorUlrich Drepper <drepper@redhat.com>2004-10-24 09:20:14 +0000
committerUlrich Drepper <drepper@redhat.com>2004-10-24 09:20:14 +0000
commit8aeb5058b6457cf9ca8d76026cbb60ca07015570 (patch)
treed4e7fb5f8e330a1c42b694f59c9b513341bb7a27 /resolv
parent8cf26632527ab97265a4925dfd7d89ca48b4c28b (diff)
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Update.
* resolv/res_send.c (send_dg): Cope with failures.
Diffstat (limited to 'resolv')
-rw-r--r--resolv/res_send.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/resolv/res_send.c b/resolv/res_send.c
index 18e54db..8fb21a9 100644
--- a/resolv/res_send.c
+++ b/resolv/res_send.c
@@ -906,7 +906,7 @@ send_dg(res_state statp,
goto wait;
}
}
- Perror(statp, stderr, "select", errno);
+ Perror(statp, stderr, "poll", errno);
res_nclose(statp);
return (0);
}
@@ -922,9 +922,7 @@ send_dg(res_state statp,
pfd[0].events = POLLIN;
++nwritten;
goto wait;
- } else {
- assert(pfd[0].revents & POLLIN);
-
+ } else if (pfd[0].revents & POLLIN) {
fromlen = sizeof(struct sockaddr_in6);
if (anssiz < MAXPACKET
&& anscp
@@ -1030,6 +1028,10 @@ send_dg(res_state statp,
* next nameserver ought not be tried.
*/
return (resplen);
+ } else if (pfd[0].revents & (POLLERR | POLLHUP | POLLNVAL)) {
+ /* Something went wrong. We can stop trying. */
+ res_nclose(statp);
+ return (0);
}
}