keksvpn/vendor/github.com/mdlayher/socket/setbuffer_linux.go

25 lines
651 B
Go
Raw Normal View History

2022-02-27 03:22:11 +00:00
//go:build linux
// +build linux
package socket
import "golang.org/x/sys/unix"
// setReadBuffer wraps the SO_RCVBUF{,FORCE} setsockopt(2) options.
func (c *Conn) setReadBuffer(bytes int) error {
err := c.SetsockoptInt(unix.SOL_SOCKET, unix.SO_RCVBUFFORCE, bytes)
if err != nil {
err = c.SetsockoptInt(unix.SOL_SOCKET, unix.SO_RCVBUF, bytes)
}
return err
}
// setWriteBuffer wraps the SO_SNDBUF{,FORCE} setsockopt(2) options.
func (c *Conn) setWriteBuffer(bytes int) error {
err := c.SetsockoptInt(unix.SOL_SOCKET, unix.SO_SNDBUFFORCE, bytes)
if err != nil {
err = c.SetsockoptInt(unix.SOL_SOCKET, unix.SO_SNDBUF, bytes)
}
return err
}