TAO/tao/GUIResource_Factory.cpp

   1 #include "tao/GUIResource_Factory.h"
   2 #include "ace/Reactor.h"
   3 #include "ace/Guard_T.h"
   4 #include "tao/debug.h"
   5
   6 TAO_BEGIN_VERSIONED_NAMESPACE_DECL
   7
   8 namespace TAO
   9 {
  10   GUIResource_Factory::GUIResource_Factory ()
  11     : dynamically_allocated_reactor_ (false)
  12   {
  13   }
  14
  15   GUIResource_Factory::~GUIResource_Factory ()
  16   {
  17   }
  18
  19   ACE_Reactor *
  20   GUIResource_Factory::get_reactor ()
  21   {
  22     // @@Marek, do we need a lock here??
  23     // @Bala, I suppose we don't need locking for any
  24     //   reasonable use case as this
  25     //   factory is intended to be a variable in TSS.
  26     //   I can imagine that    someone may try to use it in distinct
  27     //   threads, though I do not know
  28     //   what for. Nevertheless, just for a case  I sync the creation of reactor.
  29     //   I think, that double checked locking is
  30     //   not necessary, because the performance is not an issue here.
  31     ACE_GUARD_RETURN (TAO_SYNCH_MUTEX, ace_mon, this->lock_, nullptr);
  32
  33     ACE_Reactor *reactor = nullptr;
  34     ACE_NEW_RETURN (reactor,
  35                     ACE_Reactor (this->reactor_impl (), 1),
  36                     nullptr);
  37
  38     if (reactor->initialized () == 0)
  39     {
  40       delete reactor;
  41       reactor = nullptr;
  42     }
  43     else
  44       this->dynamically_allocated_reactor_ = true;
  45
  46     return reactor;
  47   }
  48
  49   void
  50   GUIResource_Factory::reclaim_reactor (ACE_Reactor *reactor)
  51   {
  52     ACE_GUARD ( TAO_SYNCH_MUTEX, ace_mon, this->lock_ );
  53
  54     if (this->dynamically_allocated_reactor_)
  55       delete reactor;
  56   }
  57 }
  58
  59 TAO_END_VERSIONED_NAMESPACE_DECL