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Annotation of embedaddon/ntp/kernel/sys/clkdefs.h, revision 1.1

1.1     ! misho       1: /*
        !             2:  * Defines for the "clk" timestamping STREAMS module
        !             3:  */
        !             4: 
        !             5: #if defined(sun)
        !             6: #include <sys/ioccom.h>
        !             7: #else
        !             8: #include <sys/ioctl.h>
        !             9: #endif
        !            10: 
        !            11: /*
        !            12:  * First, we need to define the maximum size of the set of
        !            13:  * characters to timestamp. 32 is MORE than enough.
        !            14:  */
        !            15: 
        !            16: #define CLK_MAXSTRSIZE 32
        !            17: struct clk_tstamp_charset {            /* XXX to use _IOW not _IOWN */
        !            18:        char    val[CLK_MAXSTRSIZE];
        !            19: };
        !            20: 
        !            21: /*
        !            22:  * ioctl(fd, CLK_SETSTR, (char*)c );
        !            23:  *
        !            24:  * will tell the driver that any char in the null-terminated
        !            25:  * string c should be timestamped. It is possible, though
        !            26:  * unlikely that this ioctl number could collide with an
        !            27:  * existing one on your system. If so, change the 'K'
        !            28:  * to some other letter. However, once you've compiled
        !            29:  * the kernel with this include file, you should NOT
        !            30:  * change this file.
        !            31:  */
        !            32: 
        !            33: #if defined(__STDC__)                  /* XXX avoid __STDC__=0 on SOLARIS */
        !            34: #define CLK_SETSTR _IOW('K', 01, struct clk_tstamp_charset)
        !            35: #else
        !            36: #define CLK_SETSTR _IOW(K, 01, struct clk_tstamp_charset)
        !            37: #endif
        !            38: