shithub: bar

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rewrite updateproc to a simple timerproc

--- a/bar.c

+++ b/bar.c

@@ -68,6 +68,8 @@

 	char t[61], *a[5];

 	static int ow, oh;

+	fprint(wctl, bottom ? "bottom" : "top");

+

 	if((fd = open("/dev/screen", OREAD)) < 0)

 		return;

 	n = read(fd, t, sizeof(t)-1);

@@ -178,31 +180,13 @@

 }

 static void

-updateproc(void *)

+timerproc(void *c)

 {

-	uvlong t1, t2, n;

-

-	t1 = nanosec();

-	t2 = t1;

+	threadsetname("timer");

 	for(;;){

-		sleep(250);

-		if(wctl < 0)

-			break;

-		fprint(wctl, bottom ? "bottom" : "top");

-

-		n = nanosec();

-

-		if(n - t1 >= 10000000000ULL){

-			readbattery();

-			t1 = n;

-		}

-		if(n - t2 >= 1000000000ULL){

-			redraw();

-			t2 = n;

-		}

+		sleep(990);

+		sendul(c, 0);

 	}

-

-	threadexits(nil);

 }

 static void

@@ -211,6 +195,7 @@

 	Biobuf b;

 	char *s;

+	threadsetname("aux");

 	Binit(&b, 0, OREAD);

 	for(;;){

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

@@ -249,6 +234,7 @@

 {

 	Keyboardctl *kctl;

 	Mousectl *mctl;

+	uvlong t, oldt;

 	int oldbuttons;

 	char *s, *v[3];

 	u32int brgb;

@@ -260,6 +246,7 @@

 		Eresize,

 		Ekeyboard,

 		Eaux,

+		Etimer,

 		Eend,

 	};

 	Alt a[] = {

@@ -267,6 +254,7 @@

 		[Eresize] = { nil, nil, CHANRCV },

 		[Ekeyboard] = { nil, &key, CHANRCV },

 		[Eaux] = { nil, &s, CHANRCV },

+		[Etimer] = { nil, nil, CHANRCV },

 		[Eend] = { nil, nil, CHANEND },

 	};

@@ -326,14 +314,16 @@

 	a[Eresize].c = mctl->resizec;

 	a[Ekeyboard].c = kctl->c;

 	a[Eaux].c = chancreate(sizeof(s), 0);

+	a[Etimer].c = chancreate(sizeof(ulong), 0);

 	aux = strdup("");

 	readbattery();

 	redraw();

-	proccreate(updateproc, nil, 4096);

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

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

 	m.buttons = 0;

+	oldt = nanosec();

 	for(;;){

 		oldbuttons = m.buttons;

@@ -341,7 +331,6 @@

 		case Ekeyboard:

 			if(key == Kdel){

 				close(wctl);

-				wctl = -1;

 				threadexitsall(nil);

 			}

 			break;

@@ -361,10 +350,18 @@

 		if(0){

 		case Eaux:

-			if(wctl >= 0)

-				fprint(wctl, bottom ? "bottom" : "top");

 			free(aux);

 			aux = s;

+			/* wet floor */

+		}

+

+		if(0){

+		case Etimer:

+			t = nanosec();

+			if(t - oldt >= 10000000000ULL){

+				readbattery();

+				oldt = t;

+			}

 		}

 			redraw();

 			place();