*/

    notifierThread = (Tcl_ThreadId) 0;

    /*
     * Reset the notifier reference count to zero (i.e. not initialized).
     * This should force the notifier initialization code to be re-run the
     * very next time Tcl_InitNotifier is called.
     * very next time Tcl_InitNotifier is called, which will be at the end
     *
     * For a plain [exec ...] this will not happen, and everything is fine.
     * For a full fork of the interpreter (like apache Rivet) it is not clear
     * of this function.
     * to me (AK) where TIN would be called.
     */

    notifierCount = 0;

    /*
     * Finalize and reset the condition variable.  This should force it to
     * be re-created during the next call to Tcl_ConditionWait().
     */

    Tcl_ConditionFinalize(&notifierCV);
    notifierCV = NULL;

    /*
     * Finally, release the notifier mutex (which has been held since the
     * AtForkPrepareProc() was called via pthread_atfork()).
     * Release, finalize, and reset the notifier mutex (which has been
     * held since the AtForkPrepareProc() was called via pthread_atfork()).
     * This should force it to be re-created during the next call to
     * Tcl_MutexLock().
     */

    Tcl_MutexUnlock(&notifierMutex);
    Tcl_MutexFinalize(&notifierMutex);
    notifierMutex = NULL;

    /*
     * Force the notifier subsystem to be initialized now.  This should
     * create the notifier thread in this process.  Subsequently, that new
     * thread will re-open the trigger pipe.
     */

    Tcl_InitNotifier();
}
#endif /* HAVE_PTHREAD_ATFORK */

#endif /* TCL_THREADS */

#endif /* HAVE_COREFOUNDATION */