clkdefs.h revision 54360
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 17struct 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 39