39 lines
977 B
C
39 lines
977 B
C
/*
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* Defines for the "clk" timestamping STREAMS module
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*/
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#if defined(sun)
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#include <sys/ioccom.h>
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#else
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#include <sys/ioctl.h>
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#endif
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/*
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* First, we need to define the maximum size of the set of
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* characters to timestamp. 32 is MORE than enough.
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*/
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#define CLK_MAXSTRSIZE 32
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struct clk_tstamp_charset { /* XXX to use _IOW not _IOWN */
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char val[CLK_MAXSTRSIZE];
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};
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/*
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* ioctl(fd, CLK_SETSTR, (char*)c );
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*
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* will tell the driver that any char in the null-terminated
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* string c should be timestamped. It is possible, though
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* unlikely that this ioctl number could collide with an
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* existing one on your system. If so, change the 'K'
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* to some other letter. However, once you've compiled
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* the kernel with this include file, you should NOT
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* change this file.
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*/
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#if defined(__STDC__) /* XXX avoid __STDC__=0 on SOLARIS */
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#define CLK_SETSTR _IOW('K', 01, struct clk_tstamp_charset)
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#else
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#define CLK_SETSTR _IOW(K, 01, struct clk_tstamp_charset)
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#endif
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