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patches/glibc/2.9/250-resolv-dynamic.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Wed May 18 23:00:46 2011 +0200 (2011-05-18)
changeset 2467 200836977ce6
parent 1201 c9967a6e3b25
permissions -rw-r--r--
config: rename variables that are arrays

Make it explicit that a variable is an array bu the name of the variable.
It will be used later when .config gets munged to allow both multiple
arguments and arguments with spaces at the same time to be passed from the
configuration down to the build scripts.

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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