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Annotation of coherent/a/usr/include/sys/ktty.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Kernel portion of typewriter structure.
        !             3:  */
        !             4: #ifndef         KTTY_H
        !             5: #define         KTTY_H
        !             6: #include <sys/types.h>
        !             7: #include <sys/poll.h>
        !             8: #include <sys/clist.h>
        !             9: #include <sgtty.h>
        !            10: #ifdef _I386
        !            11: #include <termio.h>
        !            12: #endif
        !            13: #include <sys/timeout.h>
        !            14: 
        !            15: #define        NCIB    256             /* Input buffer */
        !            16: #define        OHILIM  128             /* Output buffer hi water mark */
        !            17: #define        OLOLIM  40              /* Output buffer lo water mark */
        !            18: #define        IHILIM  512             /* Input buffer hi water mark */
        !            19: #define        ILOLIM  40              /* Input buffer lo water mark */
        !            20: #define        ITSLIM  (IHILIM-(IHILIM/4))     /* Input buffer tandem stop mark */
        !            21: #define        ESC     '\\'            /* Some characters */
        !            22: 
        !            23: typedef struct tty {
        !            24:        CQUEUE  t_oq;           /* Output queue */
        !            25:        CQUEUE  t_iq;           /* Input queue */
        !            26:        char    *t_ddp;         /* Device specific */
        !            27:        int     (*t_start)();   /* Start function */
        !            28:        int     (*t_param)();   /* Load parameters function */
        !            29:        char    t_dispeed;      /* Default input speed */
        !            30:        char    t_dospeed;      /* Default output speed */
        !            31:        int     t_open;         /* Open count */
        !            32:        int     t_flags;        /* Flags */
        !            33:        char    t_nfill;        /* Number of fill characters */
        !            34:        char    t_fillb;        /* The fill character */
        !            35:        int     t_ibx;          /* Input buffer index */
        !            36:        char    t_ib[NCIB];     /* Input buffer */
        !            37:        int     t_hpos;         /* Horizontal position */
        !            38:        int     t_opos;         /* Original horizontal position */
        !            39:        struct  sgttyb t_sgttyb;/* Stty/gtty information */
        !            40:        struct  tchars t_tchars;/* Tchars information */
        !            41: #ifdef _I386
        !            42:        struct  termio t_termio;
        !            43: #endif
        !            44:        int     t_group;        /* Process group */
        !            45:        int     t_escape;       /* Pending escape count */
        !            46:        event_t t_ipolls;       /* List of input polls enabled on device */
        !            47:        event_t t_opolls;       /* List of output polls enabled on device */
        !            48:        TIM     t_rawtim;       /* Raw timing struct */
        !            49:        int     t_cs_sel;       /* 0 for resident drivers, CS for loadable */
        !            50: } TTY;
        !            51: 
        !            52: /*
        !            53:  * Test macros.
        !            54:  * Assume `tp' holds a TTY pointer.
        !            55:  *       `c'  a character.
        !            56:  * Be very careful if you work on the
        !            57:  * tty driver that this is true.
        !            58:  */
        !            59: #define        ISINTR  (tp->t_tchars.t_intrc  == c)
        !            60: #define        ISQUIT  (tp->t_tchars.t_quitc  == c)
        !            61: #define        ISEOF   (tp->t_tchars.t_eofc   == c)
        !            62: #define        ISBRK   (tp->t_tchars.t_brkc   == c)
        !            63: #define        ISSTART (tp->t_tchars.t_startc == c)
        !            64: #define        ISSTOP  (tp->t_tchars.t_stopc  == c)
        !            65: #define        ISCRMOD ((tp->t_sgttyb.sg_flags&CRMOD) != 0)
        !            66: #define        ISXTABS ((tp->t_sgttyb.sg_flags&XTABS) != 0)
        !            67: #define        ISECHO  ((tp->t_sgttyb.sg_flags&ECHO)  != 0)
        !            68: #define        ISERASE (tp->t_sgttyb.sg_erase == c)
        !            69: #define        ISKILL  (tp->t_sgttyb.sg_kill  == c)
        !            70: #define        stopc   (tp->t_tchars.t_stopc)
        !            71: #define        startc  (tp->t_tchars.t_startc)
        !            72: 
        !            73: /*
        !            74:  * The following are not part of S5 sgtty.
        !            75:  */
        !            76: #define        ISRIN   ((tp->t_sgttyb.sg_flags&RAWIN) != 0)
        !            77: #define        ISROUT  ((tp->t_sgttyb.sg_flags&RAWOUT)!= 0)
        !            78: #define        ISCRT   ((tp->t_sgttyb.sg_flags&CRT)   != 0)
        !            79: #define        ISCBRK  ((tp->t_sgttyb.sg_flags&CBREAK)!= 0)
        !            80: #define        ISTAND  ((tp->t_sgttyb.sg_flags&TANDEM)!= 0)
        !            81: #define        ISBBYB  ((tp->t_sgttyb.sg_flags&(RAWIN|CBREAK)) != 0)
        !            82: 
        !            83: #endif

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