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patches/glibc/2.9/250-resolv-dynamic.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Wed Sep 21 22:42:35 2011 +0200 (2011-09-21)
changeset 2677 7df89370f805
parent 1201 c9967a6e3b25
permissions -rw-r--r--
kernel/linux: add alternate download locations

Since kernel.org is dead, and there is no announced or known estimated
time or return to normality, it is impossible to download any kernel at
this time.

Add a known-working mirror.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> 
     1 Original patch from: gentoo/src/patchsets/glibc/2.9/1055_all_glibc-resolv-dynamic.patch

     2 

     3 -= BEGIN original header =-

     4 ripped from SuSE

     5 

     6 if /etc/resolv.conf is updated, then make sure applications

     7 already running get the updated information.

     8 

     9 http://bugs.gentoo.org/177416

    10 

    11 -= END original header =-

    12 

    13 diff -durN glibc-2_9.orig/resolv/res_libc.c glibc-2_9/resolv/res_libc.c

    14 --- glibc-2_9.orig/resolv/res_libc.c	2006-10-11 10:59:28.000000000 +0200

    15 +++ glibc-2_9/resolv/res_libc.c	2009-02-02 22:00:57.000000000 +0100

    16 @@ -22,6 +22,7 @@

    17  #include <arpa/nameser.h>

    18  #include <resolv.h>

    19  #include <bits/libc-lock.h>

    20 +#include <sys/stat.h>

    21  

    22  

    23  /* The following bit is copied from res_data.c (where it is #ifdef'ed

    24 @@ -95,6 +96,20 @@

    25  __res_maybe_init (res_state resp, int preinit)

    26  {

    27  	if (resp->options & RES_INIT) {

    28 +		static time_t last_mtime, last_check;

    29 +		time_t now;

    30 +		struct stat statbuf;

    31 +		

    32 +		time (&now);

    33 +		if (now != last_check) {

    34 +			last_check = now;

    35 +			if (stat (_PATH_RESCONF, &statbuf) == 0 && last_mtime != statbuf.st_mtime) {

    36 +				last_mtime = statbuf.st_mtime;

    37 +				atomicinclock (lock);

    38 +				atomicinc (__res_initstamp);

    39 +				atomicincunlock (lock);

    40 +			}

    41 +		}

    42  		if (__res_initstamp != resp->_u._ext.initstamp) {

    43  			if (resp->nscount > 0) {

    44  				__res_iclose (resp, true);
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