b67baf4ca0
- callback functions return 0 and their result is not checked; make them void. - there are two types of callbacks and they used to overload their parameters and the callback structure; separate them into "function" and "value" callbacks. - make the wait function signature consistent.
97 lines
2.6 KiB
C
97 lines
2.6 KiB
C
/* $NetBSD: rf_callback.c,v 1.24 2019/10/10 03:43:59 christos Exp $ */
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/*
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* Copyright (c) 1995 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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*
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* callback.c -- code to manipulate callback descriptor
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*
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****************************************************************************/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: rf_callback.c,v 1.24 2019/10/10 03:43:59 christos Exp $");
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#include <dev/raidframe/raidframevar.h>
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#include <sys/pool.h>
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#include "rf_archs.h"
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#include "rf_threadstuff.h"
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#include "rf_callback.h"
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#include "rf_debugMem.h"
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#include "rf_general.h"
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#include "rf_shutdown.h"
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#include "rf_netbsd.h"
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#define RF_MAX_FREE_CALLBACK 64
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#define RF_MIN_FREE_CALLBACK 32
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static void rf_ShutdownCallback(void *);
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static void
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rf_ShutdownCallback(void *ignored)
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{
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pool_destroy(&rf_pools.callbackf);
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pool_destroy(&rf_pools.callbackv);
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}
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int
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rf_ConfigureCallback(RF_ShutdownList_t **listp)
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{
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rf_pool_init(&rf_pools.callbackf, sizeof(RF_CallbackFuncDesc_t),
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"rf_callbackfpl", RF_MIN_FREE_CALLBACK, RF_MAX_FREE_CALLBACK);
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rf_pool_init(&rf_pools.callbackv, sizeof(RF_CallbackValueDesc_t),
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"rf_callbackvpl", RF_MIN_FREE_CALLBACK, RF_MAX_FREE_CALLBACK);
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rf_ShutdownCreate(listp, rf_ShutdownCallback, NULL);
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return (0);
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}
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RF_CallbackFuncDesc_t *
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rf_AllocCallbackFuncDesc(void)
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{
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return pool_get(&rf_pools.callbackf, PR_WAITOK);
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}
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void
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rf_FreeCallbackFuncDesc(RF_CallbackFuncDesc_t *p)
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{
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pool_put(&rf_pools.callbackf, p);
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}
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RF_CallbackValueDesc_t *
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rf_AllocCallbackValueDesc(void)
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{
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return pool_get(&rf_pools.callbackv, PR_WAITOK);
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}
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void
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rf_FreeCallbackValueDesc(RF_CallbackValueDesc_t *p)
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{
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pool_put(&rf_pools.callbackv, p);
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}
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