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1   /*
2    * Copyright 2016 The Netty Project
3    *
4    * The Netty Project licenses this file to you under the Apache License,
5    * version 2.0 (the "License"); you may not use this file except in compliance
6    * with the License. You may obtain a copy of the License at:
7    *
8    *   https://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13   * License for the specific language governing permissions and limitations
14   * under the License.
15   */
16  package io.netty.channel.kqueue;
17  
18  import io.netty.channel.ChannelOption;
19  import io.netty.channel.RecvByteBufAllocator;
20  import io.netty.channel.unix.UnixChannelOption;
21  
22  public final class KQueueChannelOption<T> extends UnixChannelOption<T> {
23      public static final ChannelOption<Integer> SO_SNDLOWAT = valueOf(KQueueChannelOption.class, "SO_SNDLOWAT");
24      public static final ChannelOption<Boolean> TCP_NOPUSH = valueOf(KQueueChannelOption.class, "TCP_NOPUSH");
25      public static final ChannelOption<AcceptFilter> SO_ACCEPTFILTER =
26              valueOf(KQueueChannelOption.class, "SO_ACCEPTFILTER");
27      /**
28       * If this is {@code true} then the {@link RecvByteBufAllocator.Handle#guess()} will be overridden to always attempt
29       * to read as many bytes as kqueue says are available.
30       */
31      public static final ChannelOption<Boolean> RCV_ALLOC_TRANSPORT_PROVIDES_GUESS =
32              valueOf(KQueueChannelOption.class, "RCV_ALLOC_TRANSPORT_PROVIDES_GUESS");
33  
34      @SuppressWarnings({ "unused", "deprecation" })
35      private KQueueChannelOption() {
36      }
37  }