//go:build linux

package serial

import (
	"fmt"
	"io"

	"golang.org/x/sys/unix"
)

func platformSendSerialBreak(device io.ReadWriteCloser) error {
	provider, ok := device.(interface{ Fd() uintptr })
	if !ok {
		return errorsUnsupportedSerialBreak()
	}
	if err := unix.IoctlSetInt(int(provider.Fd()), unix.TCSBRK, 0); err != nil {
		return fmt.Errorf("send serial break: %w", err)
	}
	return nil
}