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Annotation of coherent/d/PS2_KERNEL/include/sys/stropts.h, revision 1.1

1.1     ! root        1: /* $Header: /src386/usr/include/sys/RCS/stropts.h,v 1.1 92/07/31 16:07:27 root Exp $
        !             2:  *
        !             3:  * System V Stream Operations.
        !             4:  *
        !             5:  * $Log:       stropts.h,v $
        !             6:  * Revision 1.1  92/07/31  16:07:27  root
        !             7:  * Initial revision
        !             8:  * 
        !             9:  */
        !            10: #ifndef        STROPTS_H
        !            11: #define        STROPTS_H
        !            12: 
        !            13: /*
        !            14:  * Read options
        !            15:  */
        !            16: #define        RNORM   0               /* read msg norm */
        !            17: #define        RMSGD   1               /* read msg discard */
        !            18: #define        RMSGN   2               /* read msg no discard */
        !            19: 
        !            20: /*
        !            21:  * Flush options
        !            22:  */
        !            23: #define        FLUSHR  1               /* flush read queue */
        !            24: #define        FLUSHW  2               /* flush write queue */
        !            25: #define        FLUSHRW 3               /* flush both queues */
        !            26: 
        !            27: /*
        !            28:  * Events for which to be sent SIGPOLL signal
        !            29:  */
        !            30: #define        S_INPUT  001            /* regular priority msg on read Q */
        !            31: #define        S_HIPRI  002            /* high priority msg on read Q */
        !            32: #define        S_OUTPUT 004            /* write Q no longer full */
        !            33: #define        S_MSG    010            /* signal msg on front of read Q */
        !            34: 
        !            35: /*
        !            36:  * Flags for recv() and send() syscall arguments
        !            37:  */
        !            38: #define        RS_HIPRI 1              /* send/recv high priority messages */
        !            39: 
        !            40: /*
        !            41:  * Flags returned as value of recv() syscall
        !            42:  */
        !            43: #define        MORECTL  1              /* more ctl info is left in message */
        !            44: #define        MOREDATA 2              /* more data is left in message */
        !            45: 
        !            46: /*
        !            47:  * Stream Ioctl defines
        !            48:  */
        !            49: #define        STR             ('S'<<8)
        !            50: #define        I_NREAD         (STR|01)
        !            51: #define        I_PUSH          (STR|02)
        !            52: #define        I_POP           (STR|03)
        !            53: #define        I_LOOK          (STR|04)
        !            54: #define        I_FLUSH         (STR|05)
        !            55: #define        I_SRDOPT        (STR|06)
        !            56: #define        I_GRDOPT        (STR|07)
        !            57: #define        I_STR           (STR|010)
        !            58: #define        I_SETSIG        (STR|011)
        !            59: #define        I_GETSIG        (STR|012)
        !            60: #define        I_FIND          (STR|013)
        !            61: #define        I_LINK          (STR|014)
        !            62: #define        I_UNLINK        (STR|015)
        !            63: #define        I_PEEK          (STR|017)
        !            64: #define        I_FDINSERT      (STR|020)
        !            65: #define        I_SENDFD        (STR|021)
        !            66: #define        I_RECVFD        (STR|022)
        !            67: 
        !            68: /*
        !            69:  * User level ioctl format for ioctl that go downstream I_STR.
        !            70:  */
        !            71: struct strioctl {
        !            72:        int     ic_cmd;         /* command */
        !            73:        int     ic_timeout;     /* timeout value */
        !            74:        int     ic_len;         /* length of data */
        !            75:        char *  ic_dp;          /* pointer to data */
        !            76: };
        !            77: 
        !            78: /*
        !            79:  * Values for timeouts (ioctl,select) that denotes infinity.
        !            80:  */
        !            81: #define        INFTIM          (-1)
        !            82: 
        !            83: /*
        !            84:  * Stream buffer structure for send and recv system calls.
        !            85:  */
        !            86: struct strbuf {
        !            87:        int     maxlen;         /* number of bytes in buffer */
        !            88:        int     len;            /* number of bytes returned */
        !            89:        char *  buf;            /* pointer to data */
        !            90: };
        !            91: 
        !            92: /*
        !            93:  * Stream I_PEEK ioctl format.
        !            94:  */
        !            95: struct strpeek {
        !            96:        struct strbuf   ctlbuf;
        !            97:        struct strbuf   databuf;
        !            98:        long            flags;
        !            99: };
        !           100: 
        !           101: /*
        !           102:  * Stream I_FDINSERT ioctl format.
        !           103:  */
        !           104: struct strfdinsert {
        !           105:        struct strbuf   ctlbuf;
        !           106:        struct strbuf   databuf;
        !           107:        long            flags;
        !           108:        int             fildes;
        !           109:        int             off/* set */;
        !           110: };
        !           111: 
        !           112: /*
        !           113:  * Receive file descriptor structure.
        !           114:  */
        !           115: struct strrecvfd {
        !           116: #ifdef KERNEL
        !           117:        union {
        !           118:                struct file * fp;
        !           119:                int fd;
        !           120:        } f;
        !           121: #else
        !           122:        int fd;
        !           123: #endif
        !           124:        unsigned short uid;
        !           125:        unsigned short gid;
        !           126:        char fill[8];
        !           127: };
        !           128: 
        !           129: #endif

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