libmisc/monitor/mon-manager.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /**
0004  * @file
0005  *
0006  * @brief RTEMS Monitor "manager" support.
0007  *
0008  * Used to traverse object (chain) lists and print them out.
0009  */
0010
0011 /*
0012  * COPYRIGHT (c) 1989-2022. On-Line Applications Research Corporation (OAR).
0013  *
0014  * Redistribution and use in source and binary forms, with or without
0015  * modification, are permitted provided that the following conditions
0016  * are met:
0017  * 1. Redistributions of source code must retain the above copyright
0018  *    notice, this list of conditions and the following disclaimer.
0019  * 2. Redistributions in binary form must reproduce the above copyright
0020  *    notice, this list of conditions and the following disclaimer in the
0021  *    documentation and/or other materials provided with the distribution.
0022  *
0023  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0024  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0025  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0026  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0027  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0028  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0029  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0030  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0031  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0032  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0033  * POSSIBILITY OF SUCH DAMAGE.
0034  */
0035
0036 #ifdef HAVE_CONFIG_H
0037 #include "config.h"
0038 #endif
0039
0040 #include <rtems.h>
0041 #include <rtems/monitor.h>
0042
0043 #include <stdio.h>
0044
0045 /*
0046  * "next" routine for all objects that are RTEMS manager objects
0047  */
0048
0049 const void *
0050 rtems_monitor_manager_next(
0051     void      *table_void,
0052     void      *canonical,
0053     rtems_id  *next_id
0054 )
0055 {
0056     Objects_Information     *table = table_void;
0057     rtems_monitor_generic_t *copy;
0058     Objects_Control         *object = 0;
0059
0060     /*
0061      * When we are called, it must be local
0062      */
0063
0064 #if defined(RTEMS_MULTIPROCESSING)
0065     if ( ! _Objects_Is_local_id(*next_id) )
0066         goto done;
0067 #endif
0068
0069     object = _Objects_Get_next(*next_id, table, next_id);
0070
0071     if (object)
0072     {
0073         copy = (rtems_monitor_generic_t *) canonical;
0074         copy->id = object->id;
0075         copy->name = object->name.name_u32;
0076     }
0077
0078 #if defined(RTEMS_MULTIPROCESSING)
0079 done:
0080 #endif
0081     return object;
0082 }