1 files changed, 54 insertions, 0 deletions

diff --git a/meta/recipes-core/glibc/glibc/eglibc-resolv-dynamic.patch b/meta/recipes-core/glibc/glibc/eglibc-resolv-dynamic.patch
new file mode 100644
index 0000000000..a73bcebe34
--- /dev/null
+++ b/meta/recipes-core/glibc/glibc/eglibc-resolv-dynamic.patch
@@ -0,0 +1,54 @@
+cherry-picked from http://www.eglibc.org/archives/patches/msg00772.html
+
+It hasnt yet been merged into glibc
+
+Signed-off-by: Khem Raj
+
+Upstream-Status: Pending
+
+Index: git/resolv/res_libc.c
+===================================================================
+--- git.orig/resolv/res_libc.c  2014-08-27 18:35:15.492070587 +0000
++++ git/resolv/res_libc.c       2014-08-27 18:35:19.204070587 +0000
+@@ -22,12 +22,13 @@
+ #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
+    out) since res_init() should go into libc.so but the rest of that
+    file should not.  */
+ 
++__libc_lock_define_initialized (static, lock);
+ extern unsigned long long int __res_initstamp attribute_hidden;
+ /* We have atomic increment operations on 64-bit platforms.  */
+ #if __WORDSIZE == 64
+@@ -35,7 +36,6 @@
+ # define atomicincunlock(lock) (void) 0
+ # define atomicinc(var) catomic_increment (&(var))
+ #else
+-__libc_lock_define_initialized (static, lock);
+ # define atomicinclock(lock) __libc_lock_lock (lock)
+ # define atomicincunlock(lock) __libc_lock_unlock (lock)
+ # define atomicinc(var) ++var
+@@ -94,7 +94,18 @@
+ int
+ __res_maybe_init (res_state resp, int preinit)
+ {
++       static time_t last_mtime;
++       struct stat statbuf;
++       int ret;
++
+        if (resp->options & RES_INIT) {
++               ret = stat (_PATH_RESCONF, &statbuf);
++               __libc_lock_lock (lock);
++               if ((ret == 0) && (last_mtime != statbuf.st_mtime)) {
++                       last_mtime = statbuf.st_mtime;
++                       atomicinc (__res_initstamp);
++               }
++               __libc_lock_unlock (lock);
+                if (__res_initstamp != resp->_u._ext.initstamp) {
+                        if (resp->nscount > 0)
+                                __res_iclose (resp, true);