| Current Path : /usr/src/contrib/ntp/kernel/sys/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //usr/src/contrib/ntp/kernel/sys/clkdefs.h |
/*
* Defines for the "clk" timestamping STREAMS module
*/
#if defined(sun)
#include <sys/ioccom.h>
#else
#include <sys/ioctl.h>
#endif
/*
* First, we need to define the maximum size of the set of
* characters to timestamp. 32 is MORE than enough.
*/
#define CLK_MAXSTRSIZE 32
struct clk_tstamp_charset { /* XXX to use _IOW not _IOWN */
char val[CLK_MAXSTRSIZE];
};
/*
* ioctl(fd, CLK_SETSTR, (char*)c );
*
* will tell the driver that any char in the null-terminated
* string c should be timestamped. It is possible, though
* unlikely that this ioctl number could collide with an
* existing one on your system. If so, change the 'K'
* to some other letter. However, once you've compiled
* the kernel with this include file, you should NOT
* change this file.
*/
#if defined(__STDC__) /* XXX avoid __STDC__=0 on SOLARIS */
#define CLK_SETSTR _IOW('K', 01, struct clk_tstamp_charset)
#else
#define CLK_SETSTR _IOW(K, 01, struct clk_tstamp_charset)
#endif