mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-15 10:17:20 +00:00
f9d186edc8
world. This should be considered highly experimental. Approved-by: re
95 lines
2.7 KiB
C
95 lines
2.7 KiB
C
/* $FreeBSD$ */
|
|
/* $NetBSD: rf_callback.c,v 1.3 1999/02/05 00:06:06 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 <dev/raidframe/rf_types.h>
|
|
#include <dev/raidframe/rf_threadstuff.h>
|
|
#include <dev/raidframe/rf_callback.h>
|
|
#include <dev/raidframe/rf_debugMem.h>
|
|
#include <dev/raidframe/rf_freelist.h>
|
|
#include <dev/raidframe/rf_shutdown.h>
|
|
|
|
static RF_FreeList_t *rf_callback_freelist;
|
|
|
|
#define RF_MAX_FREE_CALLBACK 64
|
|
#define RF_CALLBACK_INC 4
|
|
#define RF_CALLBACK_INITIAL 4
|
|
|
|
static void rf_ShutdownCallback(void *);
|
|
static void
|
|
rf_ShutdownCallback(ignored)
|
|
void *ignored;
|
|
{
|
|
RF_FREELIST_DESTROY(rf_callback_freelist, next, (RF_CallbackDesc_t *));
|
|
}
|
|
|
|
int
|
|
rf_ConfigureCallback(listp)
|
|
RF_ShutdownList_t **listp;
|
|
{
|
|
int rc;
|
|
|
|
RF_FREELIST_CREATE(rf_callback_freelist, RF_MAX_FREE_CALLBACK,
|
|
RF_CALLBACK_INC, sizeof(RF_CallbackDesc_t));
|
|
if (rf_callback_freelist == NULL)
|
|
return (ENOMEM);
|
|
rc = rf_ShutdownCreate(listp, rf_ShutdownCallback, NULL);
|
|
if (rc) {
|
|
RF_ERRORMSG3("Unable to add to shutdown list file %s line %d rc=%d\n", __FILE__,
|
|
__LINE__, rc);
|
|
rf_ShutdownCallback(NULL);
|
|
return (rc);
|
|
}
|
|
RF_FREELIST_PRIME(rf_callback_freelist, RF_CALLBACK_INITIAL, next,
|
|
(RF_CallbackDesc_t *));
|
|
return (0);
|
|
}
|
|
|
|
RF_CallbackDesc_t *
|
|
rf_AllocCallbackDesc()
|
|
{
|
|
RF_CallbackDesc_t *p;
|
|
|
|
RF_FREELIST_GET(rf_callback_freelist, p, next, (RF_CallbackDesc_t *));
|
|
return (p);
|
|
}
|
|
|
|
void
|
|
rf_FreeCallbackDesc(p)
|
|
RF_CallbackDesc_t *p;
|
|
{
|
|
RF_FREELIST_FREE(rf_callback_freelist, p, next);
|
|
}
|