ACE/ace/Null_Barrier.h

   1 // -*- C++ -*-
   2
   3 //==========================================================================
   4 /**
   5  *  @file    Null_Barrier.h
   6  *
   7  *   Moved from Synch.h.
   8  *
   9  *  @author Douglas C. Schmidt <d.schmidt@vanderbilt.edu>
  10  */
  11 //==========================================================================
  12
  13 #ifndef ACE_NULL_BARRIER_H
  14 #define ACE_NULL_BARRIER_H
  15 #include /**/ "ace/pre.h"
  16
  17 ACE_BEGIN_VERSIONED_NAMESPACE_DECL
  18
  19 /**
  20  * @class ACE_Null_Barrier
  21  *
  22  * @brief Implements "NULL barrier synchronization".
  23  */
  24 class ACE_Null_Barrier
  25 {
  26 public:
  27   /// Initialize the barrier to synchronize <count> threads.
  28   ACE_Null_Barrier (unsigned int,
  29                     const char * = 0,
  30                     void * = 0) {};
  31
  32   /// Default dtor.
  33   ~ACE_Null_Barrier (void) {};
  34
  35   /// Block the caller until all <count> threads have called <wait> and
  36   /// then allow all the caller threads to continue in parallel.
  37   int wait (void) { return 0; };
  38
  39   /// Dump the state of an object.
  40   void dump (void) const {};
  41
  42   /// Declare the dynamic allocation hooks.
  43   //ACE_ALLOC_HOOK_DECLARE;
  44
  45 private:
  46   // = Prevent assignment and initialization.
  47   void operator= (const ACE_Null_Barrier &);
  48   ACE_Null_Barrier (const ACE_Null_Barrier &);
  49 };
  50
  51 ACE_END_VERSIONED_NAMESPACE_DECL
  52
  53 #include /**/ "ace/post.h"
  54 #endif /* ACE_NULL_BARRIER_H */