freebsd-skq/sys/compat/svr4/svr4_stropts.h
jhb 2f6bb57841 - Explicitly lock Giant to protect the fields in the svr4_strm structure
except for s_family (which is read-only once after it is set when the
  structure is created).
- Mark svr4_sys_ioctl(), svr4_sys_getmsg(), and svr4_sys_putmsg() MPSAFE.
2006-07-28 16:56:17 +00:00

180 lines
5.6 KiB
C

/*-
* Copyright (c) 1998 Mark Newton
* Copyright (c) 1994 Christos Zoulas
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _SVR4_STROPTS_H_
#define _SVR4_STROPTS_H_
struct svr4_strbuf {
int maxlen;
int len;
char *buf;
};
#define SVR4_STR ('S' << 8)
#define SVR4_I_NREAD (SVR4_STR| 1)
#define SVR4_I_PUSH (SVR4_STR| 2)
#define SVR4_I_POP (SVR4_STR| 3)
#define SVR4_I_LOOK (SVR4_STR| 4)
#define SVR4_I_FLUSH (SVR4_STR| 5)
#define SVR4_I_SRDOPT (SVR4_STR| 6)
#define SVR4_I_GRDOPT (SVR4_STR| 7)
#define SVR4_I_STR (SVR4_STR| 8)
#define SVR4_I_SETSIG (SVR4_STR| 9)
#define SVR4_I_GETSIG (SVR4_STR|10)
#define SVR4_I_FIND (SVR4_STR|11)
#define SVR4_I_LINK (SVR4_STR|12)
#define SVR4_I_UNLINK (SVR4_STR|13)
#define SVR4_I_ERECVFD (SVR4_STR|14)
#define SVR4_I_PEEK (SVR4_STR|15)
#define SVR4_I_FDINSERT (SVR4_STR|16)
#define SVR4_I_SENDFD (SVR4_STR|17)
#define SVR4_I_RECVFD (SVR4_STR|18)
#define SVR4_I_SWROPT (SVR4_STR|19)
#define SVR4_I_GWROPT (SVR4_STR|20)
#define SVR4_I_LIST (SVR4_STR|21)
#define SVR4_I_PLINK (SVR4_STR|22)
#define SVR4_I_PUNLINK (SVR4_STR|23)
#define SVR4_I_SETEV (SVR4_STR|24)
#define SVR4_I_GETEV (SVR4_STR|25)
#define SVR4_I_STREV (SVR4_STR|26)
#define SVR4_I_UNSTREV (SVR4_STR|27)
#define SVR4_I_FLUSHBAND (SVR4_STR|28)
#define SVR4_I_CKBAND (SVR4_STR|29)
#define SVR4_I_GETBAND (SVR4_STR|30)
#define SVR4_I_ATMARK (SVR4_STR|31)
#define SVR4_I_SETCLTIME (SVR4_STR|32)
#define SVR4_I_GETCLTIME (SVR4_STR|33)
#define SVR4_I_CANPUT (SVR4_STR|34)
/*
* The following two ioctls are OS specific and
* undocumented.
*/
#define SVR4__I_BIND_RSVD (SVR4_STR|242)
#define SVR4__I_RELE_RSVD (SVR4_STR|243)
/*
* Service type definitions
*/
#define SVR4_T_COTS 1 /* Connection-orieted */
#define SVR4_T_COTS_ORD 2 /* Local connection-oriented */
#define SVR4_T_CLTS 3 /* Connectionless */
/* Struct passed for SVR4_I_STR */
struct svr4_strioctl {
u_long cmd;
int timeout;
int len;
char *buf;
};
/*
* Bits for I_{G,S}ETSIG
*/
#define SVR4_S_INPUT 0x0001 /* any message on read queue no HIPRI */
#define SVR4_S_HIPRI 0x0002 /* high prio message on read queue */
#define SVR4_S_OUTPUT 0x0004 /* write queue has free space */
#define SVR4_S_MSG 0x0008 /* signal message in read queue head */
#define SVR4_S_ERROR 0x0010 /* error message in read queue head */
#define SVR4_S_HANGUP 0x0020 /* hangup message in read queue head */
#define SVR4_S_RDNORM 0x0040 /* normal message on read queue */
#define SVR4_S_WRNORM S_OUTPUT /* write queue has free space */
#define SVR4_S_RDBAND 0x0080 /* out of band message on read queue */
#define SVR4_S_WRBAND 0x0100 /* write queue has free space for oob */
#define SVR4_S_BANDURG 0x0200 /* generate SIGURG instead of SIGPOLL */
#define SVR4_S_ALLMASK 0x03ff /* all events mask */
/*
* Our internal state for the stream
* For now we keep almost nothing... In the future we can keep more
* streams state.
*
* Locking key:
* r - Read only field only set during creation
* G - Giant
*/
struct svr4_strm {
int s_family; /* (r) socket family */
int s_cmd; /* (G) last getmsg reply or putmsg request */
int s_afd; /* (G) last accepted fd; [for fd_insert] */
int s_eventmask; /* (G) state info from I_SETSIG et al */
};
/*
* The following structures are determined empirically.
*/
struct svr4_strmcmd {
long cmd; /* command ? */
long len; /* Address len */
long offs; /* Address offset */
long pad[61];
};
struct svr4_infocmd {
long cmd;
long tsdu;
long etsdu;
long cdata;
long ddata;
long addr;
long opt;
long tidu;
long serv;
long current;
long provider;
};
struct svr4_strfdinsert {
struct svr4_strbuf ctl;
struct svr4_strbuf data;
long flags;
int fd;
int offset;
};
struct svr4_netaddr_in {
u_short family;
u_short port;
u_long addr;
};
struct svr4_netaddr_un {
u_short family;
char path[1];
};
#define SVR4_ADDROF(sc) (void *) (((char *) (sc)) + (sc)->offs)
#define SVR4_C_ADDROF(sc) (const void *) (((const char *) (sc)) + (sc)->offs)
struct svr4_strm *svr4_stream_get(struct file *fp);
#endif /* !_SVR4_STROPTS */