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