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* resolv/res_send.c (send_dg): Cope with failures.
This commit is contained in:
Ulrich Drepper 2004-10-24 09:20:14 +00:00
parent 8cf2663252
commit 8aeb5058b6
2 changed files with 8 additions and 4 deletions
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2
ChangeLog
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@ -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

10
resolv/res_send.c
View File

@ -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);
}
}