use_logmanager.cpp

ACE自适配通信环境（ADAPTIVE Communication Environment）是可以自由使用、开放源码的面向对象（OO）框架（Framework）

// Use_LogManager.cpp,v 1.3 2004/10/06 16:27:14 shuston Exp

#include "LogManager.h"

// Listing 1 code/ch03
void foo (void);

int ACE_TMAIN (int, ACE_TCHAR *[])
{
  LOG_MANAGER->redirectToStderr ();
  ACE_TRACE ("main");
  LOG_MANAGER->redirectToSyslog ();
  ACE_DEBUG ((LM_INFO, ACE_TEXT ("%IHi Mom\n")));
  foo ();
  LOG_MANAGER->redirectToDaemon ();
  ACE_DEBUG ((LM_INFO, ACE_TEXT ("%IGoodnight\n")));

  return 0;
}
void foo (void)
{
  ACE_TRACE ("foo");
  LOG_MANAGER->redirectToFile ("output.test");
  ACE_DEBUG ((LM_INFO, ACE_TEXT ("%IHowdy Pardner\n")));
}
// Listing 1

// Listing 2 code/ch03
#if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION)
 template class ACE_Singleton<LogManager, ACE_Null_Mutex>;
#elif defined (ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA)
#pragma instantiate ACE_Singleton<LogManager, ACE_Null_Mutex>
#elif defined (ACE_HAS_EXPLICIT_STATIC_TEMPLATE_MEMBER_INSTANTIATION)
template ACE_Singleton<LogManager, ACE_Null_Mutex> *
  ACE_Singleton<LogManager, ACE_Null_Mutex>::singleton_;
#endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION */
// Listing 2