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

1990/11161/sys/src/9/port/devcons.c:315,331 – 1990/11211/sys/src/9/port/devcons.c:315,331 (short | long | prev | next)
1990/0227		}; Dirtab consdir[]={ "cons", Qcons, 0, 0600, "cputime", Qcputime, 72, 0600,
1990/0912		"log", Qlog, BY2PG-8, 0600,
1990/0227		"null", Qnull, 0, 0600,
1990/1018		/* "panic", Qpanic, 0, 0666, /**/
1990/0227		"pgrpid", Qpgrpid, 12, 0600, "pid", Qpid, 12, 0600, "ppid", Qppid, 12, 0600, "time", Qtime, 12, 0600, "user", Quser, 0, 0600,
1990/11161		"vmereset", Qvmereset, 0, 0600,
1990/11211		"cons", {Qcons}, 0, 0600, "cputime", {Qcputime}, 72, 0600, "log", {Qlog}, BY2PG-8, 0600, "null", {Qnull}, 0, 0600, /* "panic", {Qpanic}, 0, 0666, /**/ "pgrpid", {Qpgrpid}, 12, 0600, "pid", {Qpid}, 12, 0600, "ppid", {Qppid}, 12, 0600, "time", {Qtime}, 12, 0600, "user", {Quser}, 0, 0600, "vmereset", {Qvmereset}, 0, 0600,
1990/0227		}; #define NCONS (sizeof consdir/sizeof(Dirtab))
1990/11161/sys/src/9/port/devcons.c:405,416 – 1990/11211/sys/src/9/port/devcons.c:405,416
1990/0227		Chan* consopen(Chan *c, int omode) { if(c->qid==Quser && omode==(OWRITE|OTRUNC)){
1990/11211		if(c->qid.path==Quser && omode==(OWRITE|OTRUNC)){
1990/0227		/* truncate? */ if(strcmp(u->p->pgrp->user, "bootes") == 0) /* BUG */ u->p->pgrp->user[0] = 0; else error(0, Eperm);
1990/11211		error(Eperm);
1990/0227		} return devopen(c, omode, consdir, NCONS, devgen); }
1990/11161/sys/src/9/port/devcons.c:418,424 – 1990/11211/sys/src/9/port/devcons.c:418,424
1990/0227		void conscreate(Chan *c, char *name, int omode, ulong perm) { error(0, Eperm);
1990/11211		error(Eperm);
1990/0227		} void
1990/11161/sys/src/9/port/devcons.c:439,445 – 1990/11211/sys/src/9/port/devcons.c:439,445
1990/0227		if(n <= 0) return n; switch(c->qid&~CHDIR){
1990/11211		switch(c->qid.path & ~CHDIR){
1990/0227		case Qdir: return devdirread(c, buf, n, consdir, NCONS, devgen);
1990/11161/sys/src/9/port/devcons.c:535,541 – 1990/11211/sys/src/9/port/devcons.c:535,541
1990/0227		long l, m; char *a = va; switch(c->qid){
1990/11211		switch(c->qid.path){
1990/0227		case Qcons: /* * Damn. Can't page fault in putstrn, so copy the data locally.
1990/11161/sys/src/9/port/devcons.c:564,570 – 1990/11211/sys/src/9/port/devcons.c:564,570
1990/0227		case Quser: if(u->p->pgrp->user[0]) /* trying to overwrite /dev/user */ error(0, Eperm);
1990/11211		error(Eperm);
1990/0227		if(c->offset >= NAMELEN-1) return 0; if(c->offset+n >= NAMELEN-1)
1990/11161/sys/src/9/port/devcons.c:577,583 – 1990/11211/sys/src/9/port/devcons.c:577,583
1990/0227		case Qpgrpid: case Qpid: case Qppid: error(0, Eperm);
1990/11211		error(Eperm);
1990/0227		case Qnull: break;
1990/11161/sys/src/9/port/devcons.c:584,595 – 1990/11211/sys/src/9/port/devcons.c:584,595
1990/11161		case Qvmereset: if(strcmp(u->p->pgrp->user, "bootes") != 0) error(0, Eperm);
1990/11211		error(Eperm);
1990/11161		vmereset(); break;
1990/0227		default: error(0, Egreg);
1990/11211		error(Egreg);
1990/0227		} return n; }
1990/11161/sys/src/9/port/devcons.c:597,621 – 1990/11211/sys/src/9/port/devcons.c:597,609
1990/0227		void consremove(Chan *c) { error(0, Eperm);
1990/11211		error(Eperm);
1990/0227		} void conswstat(Chan *c, char *dp) { error(0, Eperm); }                  void conserrstr(Error *e, char *buf) { rooterrstr(e, buf); }                  void consuserstr(Error *e, char *buf) { strcpy(buf, u->p->pgrp->user);
1990/11211		error(Eperm);
1990/0720		} /*