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bar: sync

--- a/sys/src/cmd/bar.c

+++ b/sys/src/cmd/bar.c

@@ -196,16 +196,16 @@

 static void

 auxproc(void *c)

 {

-	Biobuf b;

+	u8int buf[1024];

+	Biobufhdr b;

 	char *s;

 	threadsetname("aux");

-	Binit(&b, 0, OREAD);

+	Binits(&b, 0, OREAD, buf, sizeof(buf));

 	for(;;){

-		s = Brdstr(&b, '\n', 1);

+		sendp(c, s = Brdstr(&b, '\n', 1));

 		if(s == nil)

 			break;

-		sendp(c, s);

 	}

 	Bterm(&b);

@@ -316,7 +316,7 @@

 	readbattery();

 	redraw();

 	proccreate(timerproc, a[Etimer].c, 4096);

-	proccreate(auxproc, a[Eaux].c, 16384);

+	proccreate(auxproc, a[Eaux].c, 4096);

 	m.buttons = 0;

 	oldt = nanosec();

@@ -352,6 +352,8 @@

 		case Eaux:

 			free(aux);

 			aux = s;

+			if(aux == nil)

+				threadexitsall(nil);

 			/* wet floor */

 		}