1344 		} ctl;  in init_watch()  local
1350 		premptyset(&ctl.fltset);  in init_watch()
1354 				ctl.fltset = pstatus.pr_flttrace;  in init_watch()
1357 		praddset(&ctl.fltset, FLTWATCH);  in init_watch()
1358 		ctl.cmd = PCSFAULT;  in init_watch()
1359 		(void) write(ctlfd, &ctl, sizeof (ctl));  in init_watch()
1406 	ctl_t ctl;  in protect()  local
1420 	ctl.cmd = PCWATCH;  in protect()
1421 	ctl.prwatch.pr_vaddr = (uintptr_t)tp;  in protect()
1422 	ctl.prwatch.pr_size = size + WORDSIZE;  in protect()
1423 	ctl.prwatch.pr_wflags = wflags;  in protect()
1424 	(void) write(ctlfd, &ctl, sizeof (ctl));  in protect()
1430 	ctl_t ctl;  in unprotect()  local
1437 	ctl.cmd = PCWATCH;  in unprotect()
1438 	ctl.prwatch.pr_vaddr = (uintptr_t)tp;  in unprotect()
1439 	ctl.prwatch.pr_size = WORDSIZE;		/* size is arbitrary */  in unprotect()
1440 	ctl.prwatch.pr_wflags = 0;		/* clear the watched area */  in unprotect()
1441 	(void) write(ctlfd, &ctl, sizeof (ctl));  in unprotect()