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Annotation of coherent/a/usr/include/sys/stropts.h, revision 1.1.1.1

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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