// $Id: LOCK_SOCK_Acceptor.h,v 4.11 1999/01/20 20:46:53 levine Exp $

// ============================================================================
//
// = LIBRARY
//    ace
//
// = FILENAME
//    LOCK_SOCK_Acceptor.h
//
// = AUTHOR
//    James Hu and Irfan Pyarali
//
// ============================================================================

#ifndef ACE_LOCK_SOCK_ACCEPTOR_H
#define ACE_LOCK_SOCK_ACCEPTOR_H

#include "ace/SOCK_Acceptor.h"

#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */

template <class ACE_LOCK>
class ACE_LOCK_SOCK_Acceptor : public ACE_SOCK_Acceptor
{
  // = TITLE
  //     Specialize <ACE_SOCK_Acceptor> to lock around <accept>;
  //
  // = DESCRIPTION
  //     This class is necessary since some OS platforms (e.g.,
  //     Solaris 2.5) do not allow multiple threads/processes to
  //     simultaneously call <accept> on the same listen-mode
  //     port/socket.  Thus, we need to protect against multiple
  //     concurrent accesses by using the appropriate type of lock.
public:
  int accept (ACE_SOCK_Stream &new_stream,
              ACE_Addr *remote_addr = 0,
              ACE_Time_Value *timeout = 0,
              int restart = 1,
              int reset_new_handle = 0) const;
  // Accept the connection under the control of the <ACE_LOCK>.

  ACE_LOCK &lock (void);
  // Return a reference to the lock.

protected:
  ACE_LOCK lock_;
  // Type of locking mechanism.
};

#if defined (ACE_TEMPLATES_REQUIRE_SOURCE)
#include "ace/LOCK_SOCK_Acceptor.cpp"
#endif /* ACE_TEMPLATES_REQUIRE_SOURCE */

#if defined (ACE_TEMPLATES_REQUIRE_PRAGMA)
#pragma implementation ("LOCK_SOCK_Acceptor.cpp")
#endif /* ACE_TEMPLATES_REQUIRE_PRAGMA */

#endif /* ACE_LOCK_SOCK_ACCEPTOR_H */
