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Remember we switched to single-request mode. 

This change prevents repetition in most later calls of the resolver
in case the DNS server or the network connection is broken.
This commit is contained in:
Ulrich Drepper 2009-06-11 10:07:33 -07:00
parent 88ea382fda
commit 310647e980
2 changed files with 7 additions and 1 deletions
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5
ChangeLog
View File

@ -1,3 +1,8 @@
2009-06-11 Ulrich Drepper <drepper@redhat.com>
* resolv/res_send.c (send_dg): Remember we switched to
single-request mode.
2009-06-09 Ulrich Drepper <drepper@redhat.com> 2009-06-09 Ulrich Drepper <drepper@redhat.com>
* dlfcn/dlfcn.h: Remove comma at end of enum. * dlfcn/dlfcn.h: Remove comma at end of enum.

3
resolv/res_send.c
View File

@ -1008,7 +1008,7 @@ send_dg(res_state statp,
seconds /= statp->nscount; seconds /= statp->nscount;
if (seconds <= 0) if (seconds <= 0)
seconds = 1; seconds = 1;
bool single_request = ((statp->options) & RES_SNGLKUP) != 0;// XXX bool single_request = (statp->options & RES_SNGLKUP) != 0;// XXX
int save_gotsomewhere = *gotsomewhere; int save_gotsomewhere = *gotsomewhere;
retry: retry:
evNowTime(&now); evNowTime(&now);
@ -1059,6 +1059,7 @@ send_dg(res_state statp,
have received the first answer. */ have received the first answer. */
if (!single_request) if (!single_request)
{ {
statp->options |= RES_SNGLKUP;
single_request = true; single_request = true;
*gotsomewhere = save_gotsomewhere; *gotsomewhere = save_gotsomewhere;
goto retry; goto retry;