score/src/threadname.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /**
0004  * @file
0005  *
0006  * @ingroup RTEMSScoreThread
0007  *
0008  * @brief This source file contains the implementation of
0009  *   _Thread_Set_name() and _Thread_Get_name().
0010  */
0011
0012 /*
0013  * Copyright (c) 2017 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/threadimpl.h>
0042
0043 #include <string.h>
0044
0045 Status_Control _Thread_Set_name(
0046   Thread_Control *the_thread,
0047   const char     *name
0048 )
0049 {
0050   size_t length;
0051
0052   length = strlcpy(
0053     RTEMS_DECONST( char *, the_thread->Join_queue.Queue.name ),
0054     name,
0055     _Thread_Maximum_name_size
0056   );
0057
0058   if ( length >= _Thread_Maximum_name_size ) {
0059     return STATUS_RESULT_TOO_LARGE;
0060   }
0061
0062   return STATUS_SUCCESSFUL;
0063 }
0064
0065 size_t _Thread_Get_name(
0066   const Thread_Control *the_thread,
0067   char                 *buffer,
0068   size_t                buffer_size
0069 )
0070 {
0071   const char *name;
0072
0073   name = the_thread->Join_queue.Queue.name;
0074
0075   if ( name != NULL && name[ 0 ] != '\0' ) {
0076     return strlcpy( buffer, name, buffer_size );
0077   } else {
0078     return _Objects_Name_to_string(
0079       the_thread->Object.name,
0080       false,
0081       buffer,
0082       buffer_size
0083     );
0084   }
0085 }