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