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6cf1dab940
Patchset provided by "Ioannis E. Venetis" <venetis@mail.capsl.udel.edu> http://sourceware.org/ml/crossgcc/2011-04/msg00072.html http://sourceware.org/ml/crossgcc/2011-04/msg00073.html Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
40 lines
1.1 KiB
Diff
40 lines
1.1 KiB
Diff
ripped from SuSE
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if /etc/resolv.conf is updated, then make sure applications
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already running get the updated information.
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http://bugs.gentoo.org/177416
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diff -durN glibc-2.13.orig/resolv/res_libc.c glibc-2.13/resolv/res_libc.c
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--- glibc-2.13.orig/resolv/res_libc.c 2009-02-07 05:27:42.000000000 +0100
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+++ glibc-2.13/resolv/res_libc.c 2009-11-13 00:49:59.000000000 +0100
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@@ -22,6 +22,7 @@
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#include <arpa/nameser.h>
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#include <resolv.h>
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#include <bits/libc-lock.h>
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+#include <sys/stat.h>
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/* The following bit is copied from res_data.c (where it is #ifdef'ed
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@@ -95,6 +96,20 @@
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__res_maybe_init (res_state resp, int preinit)
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{
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if (resp->options & RES_INIT) {
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+ static time_t last_mtime, last_check;
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+ time_t now;
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+ struct stat statbuf;
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+
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+ time (&now);
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+ if (now != last_check) {
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+ last_check = now;
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+ if (stat (_PATH_RESCONF, &statbuf) == 0 && last_mtime != statbuf.st_mtime) {
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+ last_mtime = statbuf.st_mtime;
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+ atomicinclock (lock);
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+ atomicinc (__res_initstamp);
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+ atomicincunlock (lock);
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+ }
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+ }
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if (__res_initstamp != resp->_u._ext.initstamp) {
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if (resp->nscount > 0)
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__res_iclose (resp, true);
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