16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package sun.nio.ch;
27
28 import java.nio.channels.*;
29 import java.net.InetSocketAddress;
30 import java.util.concurrent.Future;
31 import java.util.concurrent.atomic.AtomicBoolean;
32 import java.io.IOException;
33 import java.security.AccessControlContext;
34 import java.security.AccessController;
35 import java.security.PrivilegedAction;
36 import sun.misc.Unsafe;
37
38 /**
39 * Windows implementation of AsynchronousServerSocketChannel using overlapped I/O.
40 */
41
42 class WindowsAsynchronousServerSocketChannelImpl
43 extends AsynchronousServerSocketChannelImpl implements Iocp.OverlappedChannel
44 {
45 private static final Unsafe unsafe = Unsafe.getUnsafe();
46
47 // 2 * (sizeof(SOCKET_ADDRESS) + 16)
48 private static final int DATA_BUFFER_SIZE = 88;
49
50 private final long handle;
51 private final int completionKey;
52 private final Iocp iocp;
53
54 // typically there will be zero, or one I/O operations pending. In rare
55 // cases there may be more. These rare cases arise when a sequence of accept
56 // operations complete immediately and handled by the initiating thread.
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16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package sun.nio.ch;
27
28 import java.nio.channels.*;
29 import java.net.InetSocketAddress;
30 import java.util.concurrent.Future;
31 import java.util.concurrent.atomic.AtomicBoolean;
32 import java.io.IOException;
33 import java.security.AccessControlContext;
34 import java.security.AccessController;
35 import java.security.PrivilegedAction;
36 import jdk.internal.misc.Unsafe;
37
38 /**
39 * Windows implementation of AsynchronousServerSocketChannel using overlapped I/O.
40 */
41
42 class WindowsAsynchronousServerSocketChannelImpl
43 extends AsynchronousServerSocketChannelImpl implements Iocp.OverlappedChannel
44 {
45 private static final Unsafe unsafe = Unsafe.getUnsafe();
46
47 // 2 * (sizeof(SOCKET_ADDRESS) + 16)
48 private static final int DATA_BUFFER_SIZE = 88;
49
50 private final long handle;
51 private final int completionKey;
52 private final Iocp iocp;
53
54 // typically there will be zero, or one I/O operations pending. In rare
55 // cases there may be more. These rare cases arise when a sequence of accept
56 // operations complete immediately and handled by the initiating thread.
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