score/src/objectactivecount.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /**
0004  * @file
0005  *
0006  * @ingroup RTEMSScoreObject
0007  *
0008  * @brief This source file contains the implementation of
0009  *   _Objects_Active_count().
0010  */
0011
0012 /*
0013  * Copyright (c) 2012 embedded brains GmbH & Co. KG
0014  *
0015  * Redistribution and use in source and binary forms, with or without
0016  * modification, are permitted provided that the following conditions
0017  * are met:
0018  * 1. Redistributions of source code must retain the above copyright
0019  *    notice, this list of conditions and the following disclaimer.
0020  * 2. Redistributions in binary form must reproduce the above copyright
0021  *    notice, this list of conditions and the following disclaimer in the
0022  *    documentation and/or other materials provided with the distribution.
0023  *
0024  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0025  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0026  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0027  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0028  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0029  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0030  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0031  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0032  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0033  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0034  * POSSIBILITY OF SUCH DAMAGE.
0035  */
0036
0037 #ifdef HAVE_CONFIG_H
0038 #include "config.h"
0039 #endif
0040
0041 #include <rtems/score/objectimpl.h>
0042 #include <rtems/score/assert.h>
0043 #include <rtems/score/chainimpl.h>
0044
0045 Objects_Maximum _Objects_Active_count(
0046   const Objects_Information *information
0047 )
0048 {
0049   Objects_Maximum   active;
0050   Objects_Maximum   index;
0051   Objects_Maximum   maximum;
0052   Objects_Control **local_table;
0053
0054   _Assert( _Objects_Allocator_is_owner() );
0055
0056   active = 0;
0057   maximum  = _Objects_Get_maximum_index( information );
0058   local_table = information->local_table;
0059
0060   for ( index = 0; index < maximum; ++index ) {
0061     if ( local_table[ index ] != NULL ) {
0062       ++active;
0063     }
0064   }
0065
0066   return active;
0067 }