From: Matt Joiner <anacrolix@gmail.com>
Date: Wed, 21 Jan 2015 13:42:03 +0000 (+1100)
Subject: Code comments
X-Git-Tag: v1.0.0~1365
X-Git-Url: http://www.git.stargrave.org/?a=commitdiff_plain;h=2c48152b101f8ca2ceafdd8500f63720ef97e69d;p=btrtrc.git

Code comments
---

diff --git a/connection.go b/connection.go
index 148f3624..4c2a1d25 100644
--- a/connection.go
+++ b/connection.go
@@ -334,10 +334,11 @@ func (c *connection) SetInterested(interested bool) {
 func (conn *connection) writer() {
 	// Reduce write syscalls.
 	buf := bufio.NewWriterSize(conn.Socket, 0x8000) // 32 KiB
-	// Returns immediately if the buffer contains data.
+	// Receives when buf is not empty.
 	notEmpty := make(chan struct{}, 1)
 	for {
 		if buf.Buffered() != 0 {
+			// Make sure it's receivable.
 			select {
 			case notEmpty <- struct{}{}:
 			default: