content: /*
   * Copyright (C) 2011 The Android Open Source Project
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package dev.dworks.apps.anexplorer.libcore.io;
  
  import java.io.FileDescriptor;
  
  /**
   * Corresponds to C's {@code struct pollfd} from
   * <a href="http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/poll.h.html">&lt;poll.h&gt;</a>
   */
  public final class StructPollfd {
      /** The file descriptor to poll. */
      public FileDescriptor fd;
  
      /**
       * The events we're interested in. POLLIN corresponds to being in select(2)'s read fd set,
       * POLLOUT to the write fd set.
       */
      public short events;
  
      /** The events that actually happened. */
      public short revents;
  
      /**
       * A non-standard extension that lets callers conveniently map back to the object
       * their fd belongs to. This is used by Selector, for example, to associate each
       * FileDescriptor with the corresponding SelectionKey.
       */
      public Object userData;
  
      @Override public String toString() {
          return "StructPollfd[fd=" + fd + ",events=" + events + ",revents=" + revents + "]";
      }
  }
  