strsun.h revision 6990:d24af98bb8ea
1234353Sdim/* 2193323Sed * CDDL HEADER START 3193323Sed * 4193323Sed * The contents of this file are subject to the terms of the 5193323Sed * Common Development and Distribution License (the "License"). 6193323Sed * You may not use this file except in compliance with the License. 7193323Sed * 8193323Sed * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9193323Sed * or http://www.opensolaris.org/os/licensing. 10193323Sed * See the License for the specific language governing permissions 11193323Sed * and limitations under the License. 12193323Sed * 13193323Sed * When distributing Covered Code, include this CDDL HEADER in each 14234353Sdim * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15193323Sed * If applicable, add the following below this CDDL HEADER, with the 16193323Sed * fields enclosed by brackets "[]" replaced with your own identifying 17193323Sed * information: Portions Copyright [yyyy] [name of copyright owner] 18193323Sed * 19193323Sed * CDDL HEADER END 20193323Sed */ 21193323Sed/* 22198090Srdivacky * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 23226633Sdim * Use is subject to license terms. 24193323Sed */ 25224145Sdim 26224145Sdim#ifndef _SYS_STRSUN_H 27224145Sdim#define _SYS_STRSUN_H 28193323Sed 29193323Sed#pragma ident "%Z%%M% %I% %E% SMI" 30193323Sed 31224145Sdim#include <sys/stream.h> 32193323Sed#include <sys/types.h> 33193323Sed 34193323Sed#ifdef __cplusplus 35193323Sedextern "C" { 36193323Sed#endif 37208599Srdivacky 38208599Srdivacky/* 39206124Srdivacky * Solaris DDI STREAMS utility routines. 40193323Sed * 41199481Srdivacky * See the appropriate section 9F manpage for documentation. 42199481Srdivacky */ 43193323Sed 44199481Srdivacky#define DB_BASE(mp) ((mp)->b_datap->db_base) 45234353Sdim#define DB_LIM(mp) ((mp)->b_datap->db_lim) 46218893Sdim#define DB_REF(mp) ((mp)->b_datap->db_ref) 47199481Srdivacky#define DB_TYPE(mp) ((mp)->b_datap->db_type) 48199481Srdivacky#define DB_FLAGS(mp) ((mp)->b_datap->db_flags) 49199481Srdivacky 50193323Sed#define _PTRDIFF(p1, p2) ((intptr_t)((uintptr_t)(p1) - (uintptr_t)(p2))) 51193323Sed#define MBLKL(mp) _PTRDIFF((mp)->b_wptr, (mp)->b_rptr) 52193323Sed#define MBLKSIZE(mp) _PTRDIFF(DB_LIM(mp), DB_BASE(mp)) 53199481Srdivacky#define MBLKHEAD(mp) _PTRDIFF((mp)->b_rptr, DB_BASE(mp)) 54193323Sed#define MBLKTAIL(mp) _PTRDIFF(DB_LIM(mp), (mp)->b_wptr) 55193323Sed#define MBLKIN(mp, off, len) (((off) <= MBLKL(mp)) && \ 56193323Sed (((mp)->b_rptr + (off) + (len)) <= (mp)->b_wptr)) 57199481Srdivacky 58193323Sed#ifdef _KERNEL 59198090Srdivackyextern void mcopyin(mblk_t *, void *, size_t, void *); 60193323Sedextern void mcopyout(mblk_t *, void *, size_t, void *, mblk_t *); 61193323Sedextern void merror(queue_t *, mblk_t *, int); 62193323Sedextern void mioc2ack(mblk_t *, mblk_t *, size_t, int); 63193323Sedextern void miocack(queue_t *, mblk_t *, int, int); 64193323Sedextern void miocnak(queue_t *, mblk_t *, int, int); 65208599Srdivackyextern int miocpullup(mblk_t *, size_t); 66208599Srdivackyextern mblk_t *mexchange(queue_t *, mblk_t *, size_t, uchar_t, int32_t); 67206124Srdivackyextern size_t msgsize(mblk_t *); 68193323Sedextern void mcopymsg(mblk_t *, void *); 69199481Srdivacky 70199481Srdivacky#endif /* _KERNEL */ 71193323Sed 72199481Srdivacky#ifdef __cplusplus 73234353Sdim} 74218893Sdim#endif 75199481Srdivacky 76199481Srdivacky#endif /* _SYS_STRSUN_H */ 77199481Srdivacky