summaryrefslogtreecommitdiff
path: root/patches/glibc/ports-2.14/180-resolv-dynamic.patch
diff options
context:
space:
mode:
Diffstat (limited to 'patches/glibc/ports-2.14/180-resolv-dynamic.patch')
-rw-r--r--patches/glibc/ports-2.14/180-resolv-dynamic.patch39
1 files changed, 39 insertions, 0 deletions
diff --git a/patches/glibc/ports-2.14/180-resolv-dynamic.patch b/patches/glibc/ports-2.14/180-resolv-dynamic.patch
new file mode 100644
index 0000000..e916bce
--- /dev/null
+++ b/patches/glibc/ports-2.14/180-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-2.13.orig/resolv/res_libc.c glibc-2.13/resolv/res_libc.c
+--- glibc-2.13.orig/resolv/res_libc.c 2009-02-07 05:27:42.000000000 +0100
++++ glibc-2.13/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);