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Annotation of sys/dev/raidframe/rf_shutdown.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: rf_shutdown.h,v 1.4 2002/12/16 07:01:05 tdeval Exp $  */
        !             2: /*     $NetBSD: rf_shutdown.h,v 1.2 1999/02/05 00:06:17 oster Exp $    */
        !             3:
        !             4: /*
        !             5:  * rf_shutdown.h
        !             6:  */
        !             7: /*
        !             8:  * Copyright (c) 1996 Carnegie-Mellon University.
        !             9:  * All rights reserved.
        !            10:  *
        !            11:  * Author: Jim Zelenka
        !            12:  *
        !            13:  * Permission to use, copy, modify and distribute this software and
        !            14:  * its documentation is hereby granted, provided that both the copyright
        !            15:  * notice and this permission notice appear in all copies of the
        !            16:  * software, derivative works or modified versions, and any portions
        !            17:  * thereof, and that both notices appear in supporting documentation.
        !            18:  *
        !            19:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
        !            20:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
        !            21:  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
        !            22:  *
        !            23:  * Carnegie Mellon requests users of this software to return to
        !            24:  *
        !            25:  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
        !            26:  *  School of Computer Science
        !            27:  *  Carnegie Mellon University
        !            28:  *  Pittsburgh PA 15213-3890
        !            29:  *
        !            30:  * any improvements or extensions that they make and grant Carnegie the
        !            31:  * rights to redistribute these changes.
        !            32:  */
        !            33: /*
        !            34:  * Maintain lists of cleanup functions. Also, mechanisms for coordinating
        !            35:  * thread startup and shutdown.
        !            36:  */
        !            37:
        !            38: #ifndef        _RF__RF_SHUTDOWN_H_
        !            39: #define        _RF__RF_SHUTDOWN_H_
        !            40:
        !            41: #include "rf_types.h"
        !            42: #include "rf_threadstuff.h"
        !            43:
        !            44: /*
        !            45:  * Important note: The shutdown list is run like a stack, new
        !            46:  * entries pushed on top. Therefore, the most recently added
        !            47:  * entry (last started) is the first removed (stopped). This
        !            48:  * should handle system-dependencies pretty nicely- if a system
        !            49:  * is there when you start another, it'll be there when you
        !            50:  * shut down another. Hopefully, this subsystem will remove
        !            51:  * more complexity than it introduces.
        !            52:  */
        !            53:
        !            54: struct RF_ShutdownList_s {
        !            55:        void             (*cleanup) (void *arg);
        !            56:        void              *arg;
        !            57:        char              *file;
        !            58:        int                line;
        !            59:        RF_ShutdownList_t *next;
        !            60: };
        !            61: #define        rf_ShutdownCreate(_listp_,_func_,_arg_)                         \
        !            62:        _rf_ShutdownCreate(_listp_, _func_, _arg_, __FILE__, __LINE__)
        !            63:
        !            64: int  _rf_ShutdownCreate(RF_ShutdownList_t **, void (*) (void *arg), void *,
        !            65:        char *, int);
        !            66: int  rf_ShutdownList(RF_ShutdownList_t **);
        !            67: void rf_shutdown_hook(RF_ThreadArg_t);
        !            68:
        !            69: #endif /* !_RF__RF_SHUTDOWN_H_ */