shithub: qk1

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sndstop (plan9): wait until the proc exits

--- a/snd_plan9.c

+++ b/snd_plan9.c

@@ -4,6 +4,7 @@

 static int afd;

 static QLock alock;

 static uchar *mixbuf;

+static Channel *ach;

 static void

 auproc(void *p)

@@ -28,6 +29,13 @@

 void

 sndstop(void)

 {

+	if(ach != nil){

+		qlock(&alock);

+		mixbuf = nil;

+		sendul(ach, 0);

+		qunlock(&alock);

+		ach = nil;

+	}

 	close(afd);

 	afd = -1;

 }

@@ -35,8 +43,6 @@

 void

 sndwrite(uchar *buf, long sz)

 {

-	static Channel *ach;

-

 	if(afd < 0 && sndopen() < 0)

 		return;

 	if(ach == nil){