SYS_FUTIMESAT                    = 4292
	SYS_FSTATAT64                    = 4293
	SYS_UNLINKAT                     = 4294
	SYS_RENAMEAT                     = 4295
	SYS_LINKAT                       = 4296
	SYS_SYMLINKAT                    = 4297
	SYS_READLINKAT                   = 4298
	SYS_FCHMODAT                     = 4299
	SYS_FACCESSAT                    = 4300
	SYS_PSELECT6                     = 4301

	SYS_FUTIMESAT                    = 4292
	SYS_FSTATAT64                    = 4293
	SYS_UNLINKAT                     = 4294
	SYS_RENAMEAT                     = 4295
	SYS_LINKAT                       = 4296
	SYS_SYMLINKAT                    = 4297
	SYS_READLINKAT                   = 4298
	SYS_FCHMODAT                     = 4299
	SYS_FACCESSAT                    = 4300
	SYS_PSELECT6                     = 4301

}

// IsGlobalUnicast reports whether ip is a global unicast
// address.
//
// The identification of global unicast addresses uses address type
// identification as defined in RFC 1122, RFC 4632 and RFC 4291 with
// the exception of IPv4 directed broadcast addresses.
// It returns true even if ip is in IPv4 private address space or
// local IPv6 unicast address space.
func (ip IP) IsGlobalUnicast() bool {

	ipStackCaps.Once.Do(ipStackCaps.probe)
	return ipStackCaps.ipv6Enabled
}

// supportsIPv4map reports whether the platform supports mapping an
// IPv4 address inside an IPv6 address at transport layer
// protocols. See RFC 4291, RFC 4038 and RFC 3493.
func supportsIPv4map() bool {
	// Some operating systems provide no support for mapping IPv4
	// addresses to IPv6, and a runtime check is unnecessary.
	switch runtime.GOOS {

   *
   * <p>For more on IPv4 compatible addresses see section 2.5.5.1 of <a target="_parent"
   * href="http://tools.ietf.org/html/rfc4291#section-2.5.5.1">RFC 4291</a>.
   *
   * <p>NOTE: This method is different from {@link Inet6Address#isIPv4CompatibleAddress} in that it
   * more correctly classifies {@code "::"} and {@code "::1"} as proper IPv6 addresses (which they

   *
   * <p>For more on IPv4 compatible addresses see section 2.5.5.1 of <a target="_parent"
   * href="http://tools.ietf.org/html/rfc4291#section-2.5.5.1">RFC 4291</a>.
   *
   * <p>NOTE: This method is different from {@link Inet6Address#isIPv4CompatibleAddress} in that it
   * more correctly classifies {@code "::"} and {@code "::1"} as proper IPv6 addresses (which they

// link-local address space. It also returns true even if ip is in the IPv4
// private address space or IPv6 unique local address space.
// It returns false for the zero [Addr].
//
// For reference, see RFC 1122, RFC 4291, and RFC 4632.
func (ip Addr) IsGlobalUnicast() bool {
	if ip.z == z0 {
		// Invalid or zero-value.
		return false
	}

	if ip.Is4In6() {
		ip = ip.Unmap()
	}

        static protobufPlugin = "0.9.4"

        // https://central.sonatype.com/artifact/com.google.protobuf/protobuf-java/versions
        static protobufTools = "4.26.1"

        // https://plugins.gradle.org/plugin/org.gradle.test-retry
        static testRetryPlugin = "1.5.8"

        // https://plugins.gradle.org/plugin/io.freefair.aspectj
        static aspectj = "8.6"

	SYS_AIO_SUSPEND                     = 0x508 // 1288
	SYS_AIO_WRITE                       = 0x509 // 1289
	SYS_PTHREAD_MUTEXATTR_GETPSHARED    = 0x50A // 1290
	SYS_PTHREAD_MUTEXATTR_SETPSHARED    = 0x50B // 1291
	SYS_PTHREAD_RWLOCK_DESTROY          = 0x50C // 1292
	SYS_PTHREAD_RWLOCK_INIT             = 0x50D // 1293
	SYS_PTHREAD_RWLOCK_RDLOCK           = 0x50E // 1294
	SYS_PTHREAD_RWLOCK_TRYRDLOCK        = 0x50F // 1295

		go s.closeConnChan(c, ch)
	}
	s.mu.Unlock()

	// Wait for outstanding closes to finish.
	//
	// Out of paranoia for making a late change in Go 1.6, we
	// bound how long this can wait, since golang.org/issue/14291
	// isn't fully understood yet. At least this should only be used
	// in tests.
	timer := time.NewTimer(5 * time.Second)
	defer timer.Stop()
	for i := 0; i < nconn; i++ {
		select {
		case <-ch: