Method client_fastopen_supported

src/iocore/eventsystem/UnixSocket.cc:144–150

}

bool
UnixSocket::client_fastopen_supported()
{
  ats_scoped_fd fd{::open("/proc/sys/net/ipv4/tcp_fastopen", O_RDONLY)};
  unsigned int  bitfield{read_uint_from_fd(fd.get())};
  return bitfield & static_cast<unsigned int>(TCPFastopenMask::CLIENT_ENABLE);
}

static unsigned int
read_uint_from_fd(int fd)