C++ (Cpp) recursive_mutex_init Examples

Example #1

File: threads.c Project: clbr/netradiant

/*
=============
RunThreadsOn
=============
*/
void RunThreadsOn (int workcnt, qboolean showpacifier, void(*func)(int))
{
  pthread_mutexattr_t         mattrib;
  pthread_attr_t              attr;
  pthread_t work_threads[MAX_THREADS];
  size_t stacksize;
  
  int	  start, end;
  int   i=0, status=0;
  
  start     = I_FloatTime ();
  pacifier  = showpacifier;
  
  dispatch  = 0;
  oldf      = -1;
  workcount = workcnt;

  pthread_attr_init(&attr);
  if(pthread_attr_setstacksize(&attr, 8388608) != 0)
  {
	  stacksize = 0;
	  pthread_attr_getstacksize(&attr, &stacksize);
	  Sys_Printf("Could not set a per-thread stack size of 8 MB, using only %.2f MB\n", stacksize / 1048576.0);
  }
  
  if(numthreads == 1)
    func(0);
  else
  {    
    threaded  = qtrue;
      
    if(pacifier)
      setbuf(stdout, NULL);

    if(pthread_mutexattr_init(&mattrib) != 0)
      Error("pthread_mutexattr_init failed");
    if (pthread_mutexattr_settype(&mattrib, PTHREAD_MUTEX_ERRORCHECK) != 0)
      Error ("pthread_mutexattr_settype failed");
    recursive_mutex_init(mattrib);

    for (i=0 ; i<numthreads ; i++)
    {
      /* Default pthread attributes: joinable & non-realtime scheduling */
      if(pthread_create(&work_threads[i], &attr, (void*)func, (void*)(size_t)i) != 0)
        Error("pthread_create failed");
    }
    for (i=0 ; i<numthreads ; i++)
    {
      if(pthread_join(work_threads[i], (void **)&status) != 0)
        Error("pthread_join failed");
    }
    pthread_mutexattr_destroy(&mattrib);
    threaded = qfalse;
  }
  
  end = I_FloatTime ();
  if (pacifier)
    Sys_Printf (" (%i)\n", end-start);
}

Example #2

File: threads.c Project: TTimo/GtkRadiant

/*
   =============
   RunThreadsOn
   =============
 */
void RunThreadsOn( int workcnt, qboolean showpacifier, void ( *func )( int ) ){
	pthread_mutexattr_t mattrib;
	pthread_t work_threads[MAX_THREADS];

	int start, end;
	int i = 0, status = 0;

	start     = I_FloatTime();
	pacifier  = showpacifier;

	dispatch  = 0;
	oldf      = -1;
	workcount = workcnt;

	if ( numthreads == 1 ) {
		func( 0 );
	}
	else
	{
		threaded  = true;

		if ( pacifier ) {
			setbuf( stdout, NULL );
		}

		if ( pthread_mutexattr_init( &mattrib ) != 0 ) {
			Error( "pthread_mutexattr_init failed" );
		}
#if __GLIBC_MINOR__ == 1
		if ( pthread_mutexattr_settype( &mattrib, PTHREAD_MUTEX_FAST_NP ) != 0 )
#else
		if ( pthread_mutexattr_settype( &mattrib, PTHREAD_MUTEX_ADAPTIVE_NP ) != 0 )
#endif
		{ Error( "pthread_mutexattr_settype failed" ); }
		recursive_mutex_init( mattrib );

		for ( i = 0 ; i < numthreads ; i++ )
		{
			/* Default pthread attributes: joinable & non-realtime scheduling */
			if ( pthread_create( &work_threads[i], NULL, (void*)func, (void*)i ) != 0 ) {
				Error( "pthread_create failed" );
			}
		}
		for ( i = 0 ; i < numthreads ; i++ )
		{
			if ( pthread_join( work_threads[i], (void **)&status ) != 0 ) {
				Error( "pthread_join failed" );
			}
		}
		pthread_mutexattr_destroy( &mattrib );
		threaded = false;
	}

	end = I_FloatTime();
	if ( pacifier ) {
		Sys_Printf( " (%i)\n", end - start );
	}
}