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.lang.reflect.*;
29 import java.io.FileDescriptor;
30 import java.nio.ByteBuffer;
31 import java.nio.MappedByteBuffer;
32 import java.security.AccessController;
33 import java.security.PrivilegedAction;
34 import java.util.*;
35 import jdk.internal.misc.Unsafe;
36 import sun.misc.Cleaner;
37 import sun.security.action.GetPropertyAction;
38
39
40 public class Util {
41
42 // -- Caches --
43
44 // The number of temp buffers in our pool
45 private static final int TEMP_BUF_POOL_SIZE = IOUtil.IOV_MAX;
46
47 // Per-thread cache of temporary direct buffers
48 private static ThreadLocal<BufferCache> bufferCache =
49 new ThreadLocal<BufferCache>()
50 {
51 @Override
52 protected BufferCache initialValue() {
53 return new BufferCache();
54 }
55 };
56
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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.lang.reflect.*;
29 import java.io.FileDescriptor;
30 import java.nio.ByteBuffer;
31 import java.nio.MappedByteBuffer;
32 import java.security.AccessController;
33 import java.security.PrivilegedAction;
34 import java.util.*;
35 import jdk.internal.misc.Unsafe;
36 import jdk.internal.ref.Cleaner;
37 import sun.security.action.GetPropertyAction;
38
39
40 public class Util {
41
42 // -- Caches --
43
44 // The number of temp buffers in our pool
45 private static final int TEMP_BUF_POOL_SIZE = IOUtil.IOV_MAX;
46
47 // Per-thread cache of temporary direct buffers
48 private static ThreadLocal<BufferCache> bufferCache =
49 new ThreadLocal<BufferCache>()
50 {
51 @Override
52 protected BufferCache initialValue() {
53 return new BufferCache();
54 }
55 };
56
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