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/* $FreeBSD$ */
/* $NetBSD: rf_shutdown.h,v 1.2 1999/02/05 00:06:17 oster Exp $ */
/*
* rf_shutdown.h
*/
/*
* Copyright (c) 1996 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Jim Zelenka
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
/*
* Maintain lists of cleanup functions. Also, mechanisms for coordinating
* thread startup and shutdown.
*/
#ifndef _RF__RF_SHUTDOWN_H_
#define _RF__RF_SHUTDOWN_H_
#include <dev/raidframe/rf_types.h>
#include <dev/raidframe/rf_threadstuff.h>
/*
* Important note: the shutdown list is run like a stack, new
* entries pushed on top. Therefore, the most recently added
* entry (last started) is the first removed (stopped). This
* should handle system-dependencies pretty nicely- if a system
* is there when you start another, it'll be there when you
* shut down another. Hopefully, this subsystem will remove
* more complexity than it introduces.
*/
struct RF_ShutdownList_s {
void (*cleanup) (void *arg);
void *arg;
char *file;
int line;
RF_ShutdownList_t *next;
};
#define rf_ShutdownCreate(_listp_,_func_,_arg_) \
_rf_ShutdownCreate(_listp_,_func_,_arg_,__FILE__,__LINE__)
int _rf_ShutdownCreate(RF_ShutdownList_t ** listp, void (*cleanup) (void *arg),
void *arg, char *file, int line);
int rf_ShutdownList(RF_ShutdownList_t ** listp);
#endif /* !_RF__RF_SHUTDOWN_H_ */
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