*/
        if (numAllocatedDescs >= MAX_ALLOCATED_DESCS ||
                numAllocatedDescs >= max_safe_fds - 1)
-               elog(ERROR, "too many private files demanded");
+               elog(ERROR, "exceeded MAX_ALLOCATED_DESCS while trying to open file \"%s\"",
+                        name);
 
 TryAgain:
        if ((file = fopen(name, mode)) != NULL)
         */
        if (numAllocatedDescs >= MAX_ALLOCATED_DESCS ||
                numAllocatedDescs >= max_safe_fds - 1)
-               elog(ERROR, "too many private dirs demanded");
+               elog(ERROR, "exceeded MAX_ALLOCATED_DESCS while trying to open directory \"%s\"",
+                        dirname);
 
 TryAgain:
        if ((dir = opendir(dirname)) != NULL)