TAO/orbsvcs/performance-tests/RTEvent/lib/RT_Class.cpp

   1 /**
   2  * @file RT_Class.cpp
   3  *
   4  * @author Carlos O'Ryan <coryan@uci.edu>
   5  */
   6
   7 #include "RT_Class.h"
   8
   9 #include "ace/Log_Msg.h"
  10 #include "ace/OS_NS_errno.h"
  11
  12 #if !defined(__ACE_INLINE__)
  13 #include "RT_Class.inl"
  14 #endif /* __ACE_INLINE__ */
  15
  16 RT_Class::RT_Class ()
  17   : prc_sched_class_ (ACE_SCHED_FIFO)
  18   , thr_sched_class_ (THR_SCHED_FIFO)
  19 {
  20   int priority =
  21     (ACE_Sched_Params::priority_min (this->prc_sched_class_)
  22      + ACE_Sched_Params::priority_max (this->prc_sched_class_)) / 2;
  23
  24   if (ACE_OS::sched_params (ACE_Sched_Params (this->prc_sched_class_,
  25                                               priority,
  26                                               ACE_SCOPE_PROCESS)) != 0)
  27     {
  28       if (ACE_OS::last_error () == EPERM)
  29         {
  30           ACE_DEBUG ((LM_DEBUG,
  31                       "WARNING (%P|%t) user does not have "
  32                       "permissions to run real-time tests.\n"
  33                       "The test will run in the time-shared "
  34                       "class, it may fail or produce unpredictable "
  35                       "results\n"));
  36           this->prc_sched_class_ = ACE_SCHED_OTHER;
  37           this->thr_sched_class_ = THR_SCHED_DEFAULT;
  38         }
  39     }
  40   this->priority_low_ =
  41     ACE_Sched_Params::priority_min (this->prc_sched_class_);
  42   this->priority_high_ =
  43     ACE_Sched_Params::priority_max (this->prc_sched_class_);
  44   this->priority_process_ =
  45     (this->priority_low_ + this->priority_high_) / 2;
  46 }