dep/ACE_wrappers/ace/Null_Barrier.h

   1 // -*- C++ -*-
   2
   3 //==========================================================================
   4 /**
   5  *  @file    Null_Barrier.h
   6  *
   7  *  $Id: Null_Barrier.h 80826 2008-03-04 14:51:23Z wotte $
   8  *
   9  *   Moved from Synch.h.
  10  *
  11  *  @author Douglas C. Schmidt <schmidt@cs.wustl.edu>
  12  */
  13 //==========================================================================
  14
  15 #ifndef ACE_NULL_BARRIER_H
  16 #define ACE_NULL_BARRIER_H
  17 #include /**/ "ace/pre.h"
  18
  19 ACE_BEGIN_VERSIONED_NAMESPACE_DECL
  20
  21 // All methods in this class are inline, so there is no
  22 // need to import or export on Windows. -- CAE 12/18/2003
  23
  24 /**
  25  * @class ACE_Null_Barrier
  26  *
  27  * @brief Implements "NULL barrier synchronization".
  28  */
  29 class ACE_Null_Barrier
  30 {
  31 public:
  32   /// Initialize the barrier to synchronize <count> threads.
  33   ACE_Null_Barrier (unsigned int,
  34                     const char * = 0,
  35                     void * = 0) {};
  36
  37   /// Default dtor.
  38   ~ACE_Null_Barrier (void) {};
  39
  40   /// Block the caller until all <count> threads have called <wait> and
  41   /// then allow all the caller threads to continue in parallel.
  42   int wait (void) { return 0; };
  43
  44   /// Dump the state of an object.
  45   void dump (void) const {};
  46
  47   /// Declare the dynamic allocation hooks.
  48   //ACE_ALLOC_HOOK_DECLARE;
  49
  50 private:
  51   // = Prevent assignment and initialization.
  52   void operator= (const ACE_Null_Barrier &);
  53   ACE_Null_Barrier (const ACE_Null_Barrier &);
  54 };
  55
  56 ACE_END_VERSIONED_NAMESPACE_DECL
  57
  58 #include /**/ "ace/post.h"
  59 #endif /* ACE_NULL_BARRIER_H */