Function SocketIsClosed

src/test/sock_tests.cpp:20–28

BOOST_FIXTURE_TEST_SUITE(sock_tests, BasicTestingSetup)

static bool SocketIsClosed(const SOCKET& s)
{
    // Notice that if another thread is running and creates its own socket after `s` has been
    // closed, it may be assigned the same file descriptor number. In this case, our test will
    // wrongly pretend that the socket is not closed.
    int type;
    socklen_t len = sizeof(type);
    return getsockopt(s, SOL_SOCKET, SO_TYPE, (sockopt_arg_type)&type, &len) == SOCKET_ERROR;
}

static SOCKET CreateSocket()
{