NetBSD/sys/dev/raidframe/rf_memchunk.h

80 lines
2.6 KiB
C

/* $NetBSD: rf_memchunk.h,v 1.1 1998/11/13 04:20:31 oster Exp $ */
/*
* Copyright (c) 1995 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Mark Holland
*
* 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.
*/
/* header file for rf_memchunk.c. See comments there */
/* :
* Log: rf_memchunk.h,v
* Revision 1.8 1996/06/10 11:55:47 jimz
* Straightened out some per-array/not-per-array distinctions, fixed
* a couple bugs related to confusion. Added shutdown lists. Removed
* layout shutdown function (now subsumed by shutdown lists).
*
* Revision 1.7 1996/06/02 17:31:48 jimz
* Moved a lot of global stuff into array structure, where it belongs.
* Fixed up paritylogging, pss modules in this manner. Some general
* code cleanup. Removed lots of dead code, some dead files.
*
* Revision 1.6 1996/05/24 04:28:55 jimz
* release cleanup ckpt
*
* Revision 1.5 1996/05/23 21:46:35 jimz
* checkpoint in code cleanup (release prep)
* lots of types, function names have been fixed
*
* Revision 1.4 1996/05/23 00:33:23 jimz
* code cleanup: move all debug decls to rf_options.c, all extern
* debug decls to rf_options.h, all debug vars preceded by rf_
*
* Revision 1.3 1996/05/18 19:51:34 jimz
* major code cleanup- fix syntax, make some types consistent,
* add prototypes, clean out dead code, et cetera
*
* Revision 1.2 1995/12/01 19:25:56 root
* added copyright info
*
*/
#ifndef _RF__RF_MEMCHUNK_H_
#define _RF__RF_MEMCHUNK_H_
#include "rf_types.h"
struct RF_ChunkDesc_s {
int size;
int reuse_count;
char *buf;
RF_ChunkDesc_t *next;
};
int rf_ConfigureMemChunk(RF_ShutdownList_t **listp);
RF_ChunkDesc_t *rf_GetMemChunk(int size);
void rf_ReleaseMemChunk(RF_ChunkDesc_t *chunk);
#endif /* !_RF__RF_MEMCHUNK_H_ */