public void SendFile(int out_fd, int in_fd, long offset, long length, Action <long, int> callback)
{
Libeio.sendfile(out_fd, in_fd, offset, length, (arg1, arg2) => {
outstanding.Enqueue(() => callback(arg1, arg2));
pulse.Send();
});
}
void SendNextBlock()
{
Libeio.sendfile(target.Handle.ToInt32(), sourceFd, position, length - position, (len, err) => {
if (len >= 0)
{
position += len;
}
else
{
completed = true;
}
if (position == length)
{
completed = true;
}
target.ResumeWriting();
});
}