[patch] Force reload of /etc/resolv.conf whenever it is updated

glibc-gentoo-reload-conf.patch (text/plain), 1017 bytes, created by Xavier Maillard on 2006-09-25 15:17:37 UTC

--- glibc-2.4/resolv/res_libc.c.orig	2005-11-01 01:06:40.000000000 +0100
+++ glibc-2.4/resolv/res_libc.c	2006-09-26 00:00:22.000000000 +0200
@@ -22,7 +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
    out) since res_init() should go into libc.so but the rest of that
@@ -94,10 +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) {
-		if (__res_initstamp != resp->_u._ext.initstamp) {
-			if (resp->nscount > 0) {
-				__res_iclose (resp, true);
+		ret = stat (_PATH_RESCONF, &statbuf);
+		if (__res_initstamp != resp->_u._ext.initstamp
+	                 || (ret == 0) && (last_mtime != statbuf.st_mtime)) {
+	        	        last_mtime = statbuf.st_mtime;
+				if (resp->nscount > 0) {
+					__res_iclose (resp, true);
 				return __res_vinit (resp, 1);
 			}
 		}