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Length: 2658 (0xa62)
Types: TextFile
Notes: UNIX file
Names: »stropts.h«
└─⟦a6ab2eb36⟧ Bits:30004042/kconfig3.imd SW95705I 386/ix Multi-user Release 1.2
└─⟦a6ab2eb36⟧ UNIX Filesystem
└─⟦this⟧ »kc/new/usr/include/sys/stropts.h«
/* Copyright (c) 1984 AT&T */
/* All Rights Reserved */
/* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T */
/* The copyright notice above does not evidence any */
/* actual or intended publication of such source code. */
#ident "@(#)stropts.h 1.3"
/*
* Read options
*/
#define RNORM 0 /* read msg norm */
#define RMSGD 1 /* read msg discard */
#define RMSGN 2 /* read msg no discard */
/*
* Flush options
*/
#define FLUSHR 1 /* flush read queue */
#define FLUSHW 2 /* flush write queue */
#define FLUSHRW 3 /* flush both queues */
/*
* Events for which to be sent SIGPOLL signal
*/
#define S_INPUT 001 /* regular priority msg on read Q */
#define S_HIPRI 002 /* high priority msg on read Q */
#define S_OUTPUT 004 /* write Q no longer full */
#define S_MSG 010 /* signal msg at front of read Q */
/*
* Flags for recv() and send() syscall arguments
*/
#define RS_HIPRI 1 /* send/recv high priority message */
/*
* Flags returned as value of recv() syscall
*/
#define MORECTL 1 /* more ctl info is left in message */
#define MOREDATA 2 /* more data is left in message */
/*
* Stream Ioctl defines
*/
#define STR ('S'<<8)
#define I_NREAD (STR|01)
#define I_PUSH (STR|02)
#define I_POP (STR|03)
#define I_LOOK (STR|04)
#define I_FLUSH (STR|05)
#define I_SRDOPT (STR|06)
#define I_GRDOPT (STR|07)
#define I_STR (STR|010)
#define I_SETSIG (STR|011)
#define I_GETSIG (STR|012)
#define I_FIND (STR|013)
#define I_LINK (STR|014)
#define I_UNLINK (STR|015)
#define I_PEEK (STR|017)
#define I_FDINSERT (STR|020)
#define I_SENDFD (STR|021)
#define I_RECVFD (STR|022)
/*
* User level ioctl format for ioctl that go downstream I_STR
*/
struct strioctl {
int ic_cmd; /* command */
int ic_timout; /* timeout value */
int ic_len; /* length of data */
char *ic_dp; /* pointer to data */
};
/*
* Value for timeouts (ioctl, select) that denotes infinity
*/
#define INFTIM -1
/*
* Stream buffer structure for send and recv system calls
*/
struct strbuf {
int maxlen; /* no. of bytes in buffer */
int len; /* no. of bytes returned */
char *buf; /* pointer to data */
};
/*
* stream I_PEEK ioctl format
*/
struct strpeek {
struct strbuf ctlbuf;
struct strbuf databuf;
long flags;
};
/*
* stream I_FDINSERT ioctl format
*/
struct strfdinsert {
struct strbuf ctlbuf;
struct strbuf databuf;
long flags;
int fildes;
int offset;
};
/*
* receive file descriptor structure
*/
struct strrecvfd {
#ifdef INKERNEL
union {
struct file *fp;
int fd;
} f;
#else
int fd;
#endif
unsigned short uid;
unsigned short gid;
char fill[8];
};