text: /*
   * Copyright (C) 2010 Apple Inc. All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
   * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
   * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
   * THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #include "config.h"
  #include "ChildProcess.h"
  
  #if !OS(WINDOWS)
  #include <unistd.h>
  #endif
  
  namespace WebKit {
  
  ChildProcess::ChildProcess()
  {
  }
  
  ChildProcess::~ChildProcess()
  {
  }
  
  NO_RETURN static void watchdogCallback()
  {
      // We use _exit here since the watchdog callback is called from another thread and we don't want 
      // global destructors or atexit handlers to be called from this thread while the main thread is busy
      // doing its thing.
      _exit(EXIT_FAILURE);
  }
  
  void ChildProcess::didCloseOnConnectionWorkQueue(WorkQueue& workQueue, CoreIPC::Connection*)
  {
      // If the connection has been closed and we haven't responded in the main thread for 10 seconds
      // the process will exit forcibly.
      static const double watchdogDelay = 10.0;
      
      workQueue.scheduleWorkAfterDelay(WorkItem::create(watchdogCallback), watchdogDelay);
  }
      
  } // namespace WebKit
  