NetBSD/sys/dev/raidframe/rf_callback.c

87 lines
2.3 KiB
C

/* $NetBSD: rf_callback.c,v 1.16 2004/03/07 22:15:19 oster Exp $ */
/*
* Copyright (c) 1995 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.
*/
/*****************************************************************************
*
* callback.c -- code to manipulate callback descriptor
*
****************************************************************************/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: rf_callback.c,v 1.16 2004/03/07 22:15:19 oster Exp $");
#include <dev/raidframe/raidframevar.h>
#include <sys/pool.h>
#include "rf_archs.h"
#include "rf_threadstuff.h"
#include "rf_callback.h"
#include "rf_debugMem.h"
#include "rf_general.h"
#include "rf_shutdown.h"
#include "rf_netbsd.h"
#define RF_MAX_FREE_CALLBACK 64
#define RF_MIN_FREE_CALLBACK 32
static void rf_ShutdownCallback(void *);
static void
rf_ShutdownCallback(void *ignored)
{
pool_destroy(&rf_pools.callback);
}
int
rf_ConfigureCallback(listp)
RF_ShutdownList_t **listp;
{
rf_pool_init(&rf_pools.callback, sizeof(RF_CallbackDesc_t),
"rf_callbackpl", RF_MIN_FREE_CALLBACK, RF_MAX_FREE_CALLBACK);
rf_ShutdownCreate(listp, rf_ShutdownCallback, NULL);
return (0);
}
RF_CallbackDesc_t *
rf_AllocCallbackDesc()
{
RF_CallbackDesc_t *p;
p = pool_get(&rf_pools.callback, PR_WAITOK);
return (p);
}
void
rf_FreeCallbackDesc(p)
RF_CallbackDesc_t *p;
{
pool_put(&rf_pools.callback, p);
}