/// <summary>
/// Helper method to set up the socket when calling bind
/// </summary>
/// <param name="family">The address family to use</param>
private void SetupSocket(UnixAddressFamily family)
{
if (m_socket != -1)
{
throw new InvalidOperationException("The socket is already initialized");
}
// Create new socket
m_socket = Syscall.socket(family, UnixSocketType.SOCK_STREAM, 0);
// Allow address reuse
Syscall.setsockopt(m_socket, UnixSocketProtocol.SOL_SOCKET, UnixSocketOptionName.SO_REUSEADDR, 1);
var opts = Syscall.fcntl(m_socket, FcntlCommand.F_GETFL);
if (opts < 0)
{
throw new IOException($"Failed to get openflags from handle: {Stdlib.GetLastError()}");
}
opts |= (int)OpenFlags.O_NONBLOCK;
if (Syscall.fcntl(m_socket, FcntlCommand.F_SETFL, opts) < 0)
{
throw new IOException($"Failed to set socket O_NOBLOCK: {Stdlib.GetLastError()}");
}
m_handle = m_handler.MonitoredHandle(m_socket);
}