From b6c6b96c79a5c64d98fd77162c4427811e69c2e1 Mon Sep 17 00:00:00 2001
From: Ryan Huber <rhuber@gmail.com>
Date: Wed, 17 Mar 2021 18:21:42 -0500
Subject: [PATCH] also darwin

---
 udp_darwin.go | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/udp_darwin.go b/udp_darwin.go
index 4f7c0b2..4f43658 100644
--- a/udp_darwin.go
+++ b/udp_darwin.go
@@ -13,6 +13,32 @@ import (
 func NewListenConfig(multi bool) net.ListenConfig {
 	return net.ListenConfig{
 		Control: func(network, address string, c syscall.RawConn) error {
+			var controlErr error
+			err := c.Control(func(fd uintptr) {
+				if err := syscall.SetsockoptInt(int(fd), syscall.SOL_SOCKET, syscall.SO_SNDBUF, 999999); err != nil {
+					controlErr = fmt.Errorf("SO_SNDBUF failed: %v", err)
+					return
+				}
+			})
+			if err != nil {
+				return err
+			}
+			if controlErr != nil {
+				return controlErr
+			}
+			err = c.Control(func(fd uintptr) {
+				if err := syscall.SetsockoptInt(int(fd), syscall.SOL_SOCKET, syscall.SO_RCVBUF, 999999); err != nil {
+					controlErr = fmt.Errorf("SO_RCVBUF failed: %v", err)
+					return
+				}
+			})
+			if err != nil {
+				return err
+			}
+			if controlErr != nil {
+				return controlErr
+			}
+
 			if multi {
 				var controlErr error
 				err := c.Control(func(fd uintptr) {