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[or-cvs] add a log_warn to notify us of yet another potential dns.c ...



Update of /home/or/cvsroot/src/or
In directory moria.mit.edu:/home2/arma/work/onion/cvs/src/or

Modified Files:
	dns.c 
Log Message:
add a log_warn to notify us of yet another potential dns.c bug


Index: dns.c
===================================================================
RCS file: /home/or/cvsroot/src/or/dns.c,v
retrieving revision 1.57
retrieving revision 1.58
diff -u -d -r1.57 -r1.58
--- dns.c	28 Feb 2004 22:06:59 -0000	1.57
+++ dns.c	28 Feb 2004 22:13:58 -0000	1.58
@@ -76,6 +76,12 @@
   while(oldest_cached_resolve && (oldest_cached_resolve->expire < now)) {
     resolve = oldest_cached_resolve;
     log(LOG_DEBUG,"Forgetting old cached resolve (expires %lu)", (unsigned long)resolve->expire);
+    if(resolve->state == CACHE_STATE_PENDING) {
+      log_fn(LOG_WARN,"Expiring a dns resolve that's still pending. Forgot to cull it?");
+      /* XXX if resolve->pending_connections is used, then we're probably
+       * introducing bugs by closing resolve without notifying those streams.
+       */
+    }
     oldest_cached_resolve = resolve->next;
     if(!oldest_cached_resolve) /* if there are no more, */
       newest_cached_resolve = NULL; /* then make sure the list's tail knows that too */