shithub: qk1

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snd (plan9): proper (de)initialization

--- a/snd_plan9.c

+++ b/snd_plan9.c

@@ -22,7 +22,6 @@

 			break;

 		}

 	}

-	chanclose(p);

 	threadexits(nil);

 }

@@ -34,12 +33,8 @@

 void

 sndwrite(uchar *buf, long sz)

 {

-	if(afd < 0)

+	if(ach == nil)

 		return;

-	if(ach == nil){

-		ach = chancreate(sizeof(ulong), 0);

-		proccreate(auproc, ach, 4096);

-	}

 	qlock(&alock);

 	sendul(ach, sz);

 	mixbuf = buf;

@@ -49,8 +44,11 @@

 void

 sndclose(void)

 {

-	close(afd);

-	afd = -1;

+	if(ach != nil){

+		chanclose(ach);

+		close(afd);

+		afd = -1;

+	}

 }

 int

@@ -58,5 +56,7 @@

 {

 	if((afd = open("/dev/audio", OWRITE)) < 0)

 		return -1;

+	ach = chancreate(sizeof(ulong), 0);

+	proccreate(auproc, ach, 4096);

 	return 0;

 }