Initial revision

1 files changed, 54 insertions, 0 deletions

diff --git a/libfshelp/fshelp.h b/libfshelp/fshelp.h
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+++ b/libfshelp/fshelp.h
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+/* FS helper library definitions
+   Copyright (C) 1994 Free Software Foundation
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2, or (at
+   your option) any later version.
+
+   This program is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+/* This library implements various things that are generic to
+   all or most implementors of the filesystem protocol.  It 
+   presumes that you are using the iohelp library as well.  It
+   is divided into separate facilities which may be used independently.  */
+
+
+/* Translator linkage.  These routines only work for multi-threaded
+   servers, and assume you are using the ports library.  */
+
+/* Define one of these structures as part of every disk node.  */
+struct trans_link
+{
+  /* control port for the child filesystem */
+  fsys_t control;
+
+  /* this is woken up when fsys_startup is receieved 
+     from the child filesystem. */
+  struct condition initwait;
+
+  /* This indicates that someone has already started up the translator */
+  int starting;
+};
+
+/* The user must define this variable.  This is the libports type for
+   bootstrap ports given to newly started translators. */
+extern int fshelp_transboot_port_type;
+
+/* Call this before calling any of the other translator linkage routines,
+   normally from your main node initialization routine. */
+void fshelp_init_trans_link (struct trans_link *LINK);
+
+/* Call this when the CONTROL field of a translator is null and 
+   you want to have the translator started so you can talk to it.
+   LINK is the trans_link structure for this node; NAME is the file
+   to execute as the translator.  
+*/
+void fshelp_start_translator