From b2e2cd5d0e0a0b4ef66034f37448292f012eb032 Mon Sep 17 00:00:00 2001
From: Hajime Hoshi <hajimehoshi@gmail.com>
Date: Mon, 9 Dec 2024 22:22:18 +0900
Subject: [PATCH] darwin: bug fix: race at a channel

Closes #252
---
 driver_darwin.go | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/driver_darwin.go b/driver_darwin.go
index 9fc7865..36fa94a 100644
--- a/driver_darwin.go
+++ b/driver_darwin.go
@@ -125,8 +125,9 @@ func newContext(sampleRate int, channelCount int, format mux.Format, bufferSizeI
 		runtime.LockOSThread()
 		defer runtime.UnlockOSThread()
 
+		var readyClosed bool
 		defer func() {
-			if ready != nil {
+			if !readyClosed {
 				close(ready)
 			}
 		}()
@@ -158,7 +159,7 @@ func newContext(sampleRate int, channelCount int, format mux.Format, bufferSizeI
 		}
 
 		close(ready)
-		ready = nil
+		readyClosed = true
 
 		c.loop()
 	}()