Revert "patches: remove obsolete glibc patches"

This partially reverts commit 429b3e884662a3b9a72890aae23865501e66330f.

Bring back the patches for glibc 2.12 and newer. Propagate/refresh
some patches as needed.

Signed-off-by: Alexey Neyman <stilor@att.net>

1 files changed, 39 insertions, 0 deletions

diff --git a/patches/glibc/ports-2.12.1/180-resolv-dynamic.patch b/patches/glibc/ports-2.12.1/180-resolv-dynamic.patch
new file mode 100644
index 00000000..8f74a537
--- /dev/null
+++ b/patches/glibc/ports-2.12.1/180-resolv-dynamic.patch
@@ -0,0 +1,39 @@
+ripped from SuSE
+
+if /etc/resolv.conf is updated, then make sure applications
+already running get the updated information.
+
+http://bugs.gentoo.org/177416
+
+diff -durN glibc-2.12.1.orig/resolv/res_libc.c glibc-2.12.1/resolv/res_libc.c
+--- glibc-2.12.1.orig/resolv/res_libc.c	2009-02-07 05:27:42.000000000 +0100
++++ glibc-2.12.1/resolv/res_libc.c	2009-11-13 00:49:59.000000000 +0100
+@@ -22,6 +22,7 @@
+ #include <arpa/nameser.h>
+ #include <resolv.h>
+ #include <bits/libc-lock.h>
++#include <sys/stat.h>
+ 
+ 
+ /* The following bit is copied from res_data.c (where it is #ifdef'ed
+@@ -95,6 +96,20 @@
+ __res_maybe_init (res_state resp, int preinit)
+ {
+ 	if (resp->options & RES_INIT) {
++		static time_t last_mtime, last_check;
++		time_t now;
++		struct stat statbuf;
++		
++		time (&now);
++		if (now != last_check) {
++			last_check = now;
++			if (stat (_PATH_RESCONF, &statbuf) == 0 && last_mtime != statbuf.st_mtime) {
++				last_mtime = statbuf.st_mtime;
++				atomicinclock (lock);
++				atomicinc (__res_initstamp);
++				atomicincunlock (lock);
++			}
++		}
+ 		if (__res_initstamp != resp->_u._ext.initstamp) {
+ 			if (resp->nscount > 0)
+ 				__res_iclose (resp, true);