junixsocket 2.4.0

• New supported platforms: NetBSD, OpenBSD, DragonFlyBSD (AMD64-builds included by default)
• Add support for Datagram sockets
• Add support for non-blocking I/O, Java NIO SocketChannel, DatagramChannel, ByteBuffer, Selector, Pipe, etc.
• Add support for socketpair (with IP-based emulation on Windows)
• Add support for casting FileDescriptors to Socket, etc.
• Add support for Peer Credentials on Solaris/Illumos
• Improved creation and reuse of AFUNIXSocketAddress instances
• Add basic support to wrap an AFUNIXSocketAddress as an InetAddress
• Add fast-path for single-byte read/write
• Significant internal code refactoring and cleanup (both Java and native C code)
• AFUNIXRegistry lookup can now take a timeout parameter (to coordinate between starting processes)
• Replaced the "finalize" logic with a custom Cleaner for Java 9 and above
• Fixed compatibility issue with OkHttpClient, add demo code
• Fixed a race condition when connecting to a registry that's just starting up.
• More test cases, increased unit test code coverage
• Simplified local compilation on non-macOS/Linux systems.
• Improved selftest