From 69f9eb93e27a7a81b53f3749e0c4d3b03aeea6cc Mon Sep 17 00:00:00 2001
From: Sebastian Zagrodzki <sebek@zagrodzki.net>
Date: Fri, 24 Feb 2017 09:36:17 +0100
Subject: [PATCH] When terminating the Context, wait for the background
 goroutine to sync on c.done channel before exiting.

---
 usb/usb.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/usb/usb.go b/usb/usb.go
index 47784fb..bde7434 100644
--- a/usb/usb.go
+++ b/usb/usb.go
@@ -133,7 +133,7 @@ func (c *Context) OpenDeviceWithVidPid(vid, pid int) (*Device, error) {
 }
 
 func (c *Context) Close() error {
-	close(c.done)
+	c.done <- struct{}{}
 	if c.ctx != nil {
 		C.libusb_exit(c.ctx)
 	}