glibc/resolv.dynamic.diff

32 lines
896 B
Diff

--- resolv/res_libc.c.orig 2005-04-07 14:26:57.181526898 +0200
+++ resolv/res_libc.c 2005-04-07 18:38:56.718340309 +0200
@@ -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
@@ -101,6 +102,20 @@
__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_nclose (resp);