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Annotation of coherent/f/usr/include.78/sys/stropts.h, revision 1.1.1.1

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

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