1990/11211/port/sysproc.c (diff list | history)

1990/1009/sys/src/9/port/sysproc.c:183,189 – 1990/11211/sys/src/9/port/sysproc.c:183,189 (short | long | prev | next)
1990/0227		n = (*devtab[tc->type].read)(tc, &exec, sizeof(Exec)); if(n < 2) Err: error(0, Ebadexec);
1990/11211		error(Ebadexec);
1990/0227		if(n==sizeof(Exec) && exec.magic==V_MAGIC){ if((exec.text&KZERO) || (ulong)exec.entry < UTZERO+sizeof(Exec)
1990/1009/sys/src/9/port/sysproc.c:223,229 – 1990/11211/sys/src/9/port/sysproc.c:223,229
1990/0227		d = (t + exec.data) & ~(BY2PG-1); b = (t + exec.data + exec.bss + (BY2PG-1)) & ~(BY2PG-1); if((t|d|b) & KZERO) error(0, Ebadexec);
1990/11211		error(Ebadexec);
1990/0227		/* * Args: pass 1: count
1990/1009/sys/src/9/port/sysproc.c:446,486 – 1990/11211/sys/src/9/port/sysproc.c:446,464
1990/0227		} long syslasterr(ulong *arg)
1990/11211		sysdeath(ulong *arg)
1990/0227		{ Error *e;                  validaddr(arg[0], sizeof u->error, 1); evenaddr(arg[0]); e = (Error *)arg[0]; memcpy(e, &u->error, sizeof u->error); memset(&u->error, 0, sizeof u->error); e->type = devchar[e->type]; return 0;
1990/11211		pprint("deprecated system call"); pexit("Suicide", 0);
1990/0227		} long syserrstr(ulong *arg) { Error *e, err; char buf[ERRLEN]; validaddr(arg[1], ERRLEN, 1); e = &err; if(arg[0]){ validaddr(arg[0], sizeof u->error, 0); memcpy(e, (Error*)arg[0], sizeof(Error)); e->type = devno(e->type, 1); if(e->type == -1){ e->type = 0; e->code = Egreg+1; /* -> "no such error" */ } }else{ memcpy(e, &u->error, sizeof(Error)); memset(&u->error, 0, sizeof(Error)); } (*devtab[e->type].errstr)(e, buf); memcpy((char*)arg[1], buf, sizeof buf);
1990/11211		validaddr(arg[0], ERRLEN, 1); memcpy((char*)arg[0], u->error, ERRLEN);
1990/0227		return 0; }
1990/1009/sys/src/9/port/sysproc.c:515,521 – 1990/11211/sys/src/9/port/sysproc.c:493,499
1990/0227		sysnoted(ulong *arg) { if(u->notified == 0) error(0, Egreg);
1990/11211		error(Egreg);
1990/0227		return 0; }
1990/1009/sys/src/9/port/sysproc.c:526,531 – 1990/11211/sys/src/9/port/sysproc.c:504,509
1990/0227		sysbrk_(ulong *arg) { if(segaddr(&u->p->seg[BSEG], u->p->seg[BSEG].minva, arg[0]) == 0) error(0, Esegaddr);
1990/11211		error(Esegaddr);
1990/0227		return 0; }