Index: src/estream.c
===================================================================
--- src/estream.c
+++ src/estream.c
@@ -471,6 +471,7 @@
 
 
 
+__attribute__((destructor,used))
 static void
 do_deinit (void)
 {
@@ -503,7 +504,16 @@
   if (!initialized)
     {
       initialized = 1;
+#if 0
+      /* This library may be unloaded via dlclose() before
+       * exit() is called, causing the atexit handler to try
+       * to jump into unmapped address space, causing a segfault.
+       * This has been observed with apache and php.  Instead, use
+       * the destructor attribute, since that will cause it
+       * to be called on dlclose() as well.
+       */
       atexit (do_deinit);
+#endif
     }
   return 0;
 }