ACE/ace/Null_Barrier.h

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