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103 lines
2.6 KiB
C
103 lines
2.6 KiB
C
/* $FreeBSD$ */
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/* $NetBSD: rf_shutdown.c,v 1.6 2000/01/13 23:41:18 oster Exp $ */
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/*
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* rf_shutdown.c
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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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#include <dev/raidframe/rf_types.h>
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#include <dev/raidframe/rf_threadstuff.h>
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#include <dev/raidframe/rf_shutdown.h>
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#include <dev/raidframe/rf_debugMem.h>
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#include <dev/raidframe/rf_freelist.h>
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static void
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rf_FreeShutdownEnt(RF_ShutdownList_t * ent)
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{
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FREE(ent, M_RAIDFRAME);
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}
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int
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_rf_ShutdownCreate(
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RF_ShutdownList_t ** listp,
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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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{
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RF_ShutdownList_t *ent;
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/*
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* Have to directly allocate memory here, since we start up before
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* and shutdown after RAIDframe internal allocation system.
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*/
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/* ent = (RF_ShutdownList_t *) malloc(sizeof(RF_ShutdownList_t),
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M_RAIDFRAME, M_WAITOK); */
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ent = (RF_ShutdownList_t *) malloc(sizeof(RF_ShutdownList_t),
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M_RAIDFRAME, M_NOWAIT);
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if (ent == NULL)
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return (ENOMEM);
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ent->cleanup = cleanup;
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ent->arg = arg;
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ent->file = file;
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ent->line = line;
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ent->next = *listp;
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*listp = ent;
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return (0);
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}
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int
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rf_ShutdownList(RF_ShutdownList_t ** list)
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{
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RF_ShutdownList_t *r, *next;
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char *file;
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int line;
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for (r = *list; r; r = next) {
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next = r->next;
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file = r->file;
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line = r->line;
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if (rf_shutdownDebug) {
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printf("call shutdown, created %s:%d\n", file, line);
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}
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r->cleanup(r->arg);
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if (rf_shutdownDebug) {
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printf("completed shutdown, created %s:%d\n", file, line);
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}
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rf_FreeShutdownEnt(r);
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}
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*list = NULL;
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return (0);
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}
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