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Diffstat (limited to 'cpukit/sapi/inline/rtems/extension.inl')
-rw-r--r-- | cpukit/sapi/inline/rtems/extension.inl | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/cpukit/sapi/inline/rtems/extension.inl b/cpukit/sapi/inline/rtems/extension.inl new file mode 100644 index 0000000000..6a00bc6f58 --- /dev/null +++ b/cpukit/sapi/inline/rtems/extension.inl @@ -0,0 +1,91 @@ +/* extension.inl + * + * This file contains the static inline implementation of the inlined routines + * from the Extension Manager. + * + * COPYRIGHT (c) 1989-1997. + * On-Line Applications Research Corporation (OAR). + * Copyright assigned to U.S. Government, 1994. + * + * The license and distribution terms for this file may in + * the file LICENSE in this distribution or at + * http://www.OARcorp.com/rtems/license.html. + * + * $Id$ + */ + +#ifndef __EXTENSION_MANAGER_inl +#define __EXTENSION_MANAGER_inl + +/*PAGE + * + * _Extension_Allocate + * + * DESCRIPTION: + * + * This function allocates a extension control block from + * the inactive chain of free extension control blocks. + */ + +RTEMS_INLINE_ROUTINE Extension_Control *_Extension_Allocate( void ) +{ + return (Extension_Control *) _Objects_Allocate( &_Extension_Information ); +} + +/*PAGE + * + * _Extension_Free + * + * DESCRIPTION: + * + * This routine frees a extension control block to the + * inactive chain of free extension control blocks. + */ + +RTEMS_INLINE_ROUTINE void _Extension_Free ( + Extension_Control *the_extension +) +{ + _Objects_Free( &_Extension_Information, &the_extension->Object ); +} + +/*PAGE + * + * _Extension_Get + * + * DESCRIPTION: + * + * This function maps extension IDs to extension control blocks. + * If ID corresponds to a local extension, then it returns + * the extension control pointer which maps to ID and location + * is set to OBJECTS_LOCAL. Otherwise, location is set + * to OBJECTS_ERROR and the returned value is undefined. + */ + +RTEMS_INLINE_ROUTINE Extension_Control *_Extension_Get ( + Objects_Id id, + Objects_Locations *location +) +{ + return (Extension_Control *) + _Objects_Get( &_Extension_Information, id, location ); +} + +/*PAGE + * + * _Extension_Is_null + * + * DESCRIPTION: + * + * This function returns TRUE if the_extension is NULL and FALSE otherwise. + */ + +RTEMS_INLINE_ROUTINE boolean _Extension_Is_null ( + Extension_Control *the_extension +) +{ + return ( the_extension == NULL ); +} + +#endif +/* end of include file */ |