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| author | Ulrich Drepper <drepper@redhat.com> | 2004-10-24 09:20:14 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2004-10-24 09:20:14 +0000 |
| commit | 8aeb5058b6457cf9ca8d76026cbb60ca07015570 (patch) | |
| tree | d4e7fb5f8e330a1c42b694f59c9b513341bb7a27 | |
| parent | 8cf26632527ab97265a4925dfd7d89ca48b4c28b (diff) | |
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Update.
* resolv/res_send.c (send_dg): Cope with failures.
| -rw-r--r-- | ChangeLog | 2 | ||||
| -rw-r--r-- | resolv/res_send.c | 10 |
2 files changed, 8 insertions, 4 deletions
@@ -1,5 +1,7 @@ 2004-10-24 Ulrich Drepper <drepper@redhat.com> + * resolv/res_send.c (send_dg): Cope with failures. + * include/libc-symbols.h: Define hidden attribute macros for libnss_files. * include/netdb.h: Use libnss_files_hidden_proto for the parsers diff --git a/resolv/res_send.c b/resolv/res_send.c index 18e54dbcda..8fb21a9446 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); } } |