include/rtems/extensionimpl.h

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /**
0004  * @file
0005  *
0006  * @ingroup RTEMSImplClassicUserExt
0007  *
0008  * @brief Classic User Extensions Implementation
0009  */
0010
0011 /*
0012  *  COPYRIGHT (c) 1989-1999.
0013  *  On-Line Applications Research Corporation (OAR).
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 #ifndef _RTEMS_EXTENSIONIMPL_H
0038 #define _RTEMS_EXTENSIONIMPL_H
0039
0040 #include <rtems/extensiondata.h>
0041 #include <rtems/score/objectimpl.h>
0042
0043 #ifdef __cplusplus
0044 extern "C" {
0045 #endif
0046
0047 /**
0048  * @defgroup RTEMSImplClassicUserExt User Extensions Manager
0049  *
0050  * @ingroup RTEMSImplClassic
0051  *
0052  * @brief This group contains the User Extensions Manager implementation.
0053  *
0054  * @{
0055  */
0056
0057 static inline Extension_Control *_Extension_Allocate( void )
0058 {
0059   return (Extension_Control *) _Objects_Allocate( &_Extension_Information );
0060 }
0061
0062 static inline void _Extension_Free (
0063   Extension_Control *the_extension
0064 )
0065 {
0066   _Objects_Free( &_Extension_Information, &the_extension->Object );
0067 }
0068
0069 static inline Extension_Control *_Extension_Get( Objects_Id id )
0070 {
0071   return (Extension_Control *)
0072     _Objects_Get_no_protection( id, &_Extension_Information );
0073 }
0074
0075 /** @} */
0076
0077 #ifdef __cplusplus
0078 }
0079 #endif
0080
0081 #endif
0082 /* end of include file */