Jul 5, 2020 · Jul 4, 2020
diff --git a/write.go b/write.go
 if err != nil {
 return 0, err
 }
 defer c.writeFrameMu.unlock()

 // If the state says a close has already been written, we wait until
 // the connection is closed and return that error.
 wroteClose := c.wroteClose
 c.closeMu.Unlock()
 if wroteClose && opcode != opClose {
 c.writeFrameMu.unlock()
 select {
 case <-ctx.Done():
 return 0, ctx.Err()
 case <-c.closed:
 return 0, c.closeErr
 }
 }
 defer c.writeFrameMu.unlock()

 select {
 case <-c.closed:
Original file line number	Diff line number	Diff line change
Expand Up		@@ -257,7 +257,6 @@ func (c *Conn) writeFrame(ctx context.Context, fin bool, flate bool, opcode opco
		if err != nil {
		return 0, err
		}
		defer c.writeFrameMu.unlock()

		// If the state says a close has already been written, we wait until
		// the connection is closed and return that error.
Expand All		@@ -268,13 +267,15 @@ func (c *Conn) writeFrame(ctx context.Context, fin bool, flate bool, opcode opco
		wroteClose := c.wroteClose
		c.closeMu.Unlock()
		if wroteClose && opcode != opClose {
		c.writeFrameMu.unlock()
		select {
		case <-ctx.Done():
		return 0, ctx.Err()
		case <-c.closed:
		return 0, c.closeErr
		}
		}
		defer c.writeFrameMu.unlock()

		select {
		case <-c.closed:
Expand Down