2  * sht.c - Testprogram for shared memory refclock
26 	int    mode; /* 0 - if valid set
28 		      *       clear valid
29 		      * 1 - if valid set 
32 		      *       clear valid
42 	volatile int	valid;  member
54 	if (shmid==-1) {  in getShmTime()
60 		if ((int)(long)p==-1) {  in getShmTime()
128 		printf ("       c clear valid-flag\n");  in main()
133 		printf ("       pnnnn set precision to -nnn\n");  in main()
150 		p->nsamples=atoi(argp+1);  in main()
154 		p->leap=atoi(argp+1);  in main()
158 		p->precision=-atoi(argp+1);  in main()
174 			p->mode,p->count,  in main()
175 			(long)p->clockTimeStampSec,p->clockTimeStampNSec,  in main()
176 			(long)p->receiveTimeStampSec,p->receiveTimeStampNSec);  in main()
177 		printf ("  leap=%d, precision=%d, nsamples=%d, valid=%d\n",  in main()
178 			p->leap, p->precision, p->nsamples, p->valid);  in main()
179 		if (!p->valid)  in main()
182 			p->valid=0;  in main()
203 		/* Here we have a high-resolution system clock, and  in main()
219 		clk_frc = rcv_frc + (u_int)(random()%7094713 - 3547356);  in main()
220 		/* normalise result -- the SHM driver is picky! */  in main()
223 			clk_sec -= 1;  in main()
226 			clk_frc -= 1000000000;  in main()
238 		p->mode=0;  in main()
239 		if (!p->valid) {  in main()
240 			p->clockTimeStampSec    = clk_sec;  in main()
241 			p->clockTimeStampUSec   = clk_frc / 1000; /* truncate! */  in main()
242 			p->clockTimeStampNSec   = clk_frc;  in main()
243 			p->receiveTimeStampSec  = rcv_sec;  in main()
244 			p->receiveTimeStampUSec = rcv_frc / 1000; /* truncate! */  in main()
245 			p->receiveTimeStampNSec = rcv_frc;  in main()
247 				(long)p->clockTimeStampSec  , p->clockTimeStampNSec  ,  in main()
248 				(long)p->receiveTimeStampSec, p->receiveTimeStampNSec);  in main()
249 			p->valid=1;  in main()
252 			printf ("p->valid still set\n"); /* not an error! */  in main()