crosstool-ng/packages/glibc/2.15/0013-resolv-dynamic.patch
Alexey Neyman 98bc4decde Run all patches through renumbering and update
Signed-off-by: Alexey Neyman <stilor@att.net>
2017-12-02 12:44:39 -08:00

43 lines
1.0 KiB
Diff

ripped from SuSE
if /etc/resolv.conf is updated, then make sure applications
already running get the updated information.
http://bugs.gentoo.org/177416
---
resolv/res_libc.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
--- a/resolv/res_libc.c
+++ b/resolv/res_libc.c
@@ -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);