Changeset 3298 for pjproject

Timestamp:

Aug 27, 2010 3:19:00 AM (14 years ago)

Author:

bennylp

Message:

Fixed #1108: deadlock in DNS resolver (thanks Bogdan Krakowski for the report)

File:

• pjproject/trunk/pjlib-util/src/pjlib-util/resolver.c (modified) (2 diffs)

pjproject/trunk/pjlib-util/src/pjlib-util/resolver.c

@@ -1365 +1365 @@
     pj_hash_set(NULL, resolver->hquerybyres, &q->key, sizeof(q->key), 0, NULL);
 
+    /* Workaround for deadlock problem in #1108 */
+    pj_mutex_unlock(resolver->mutex);
+
     /* Notify applications first, to allow application to modify the 
      * record before it is saved to the hash table.
@@ -1382 +1385 @@
         }
     }
+
+    /* Workaround for deadlock problem in #1108 */
+    pj_mutex_lock(resolver->mutex);
 
     /* Save/update response cache. */