2000-06-01 Michael Snyder <msnyder@seadog.cygnus.com>

2000-06-01  Michael Snyder  <msnyder@seadog.cygnus.com>

        * sol-thread.c (rw_common): Circumstances (eg. a bug in Sun's
        thread_db library) may cause this function to be called with an
        illegal address, in which case procfs_to_xfer_memory will
        return zero.  Return an error code instead of looping forever.