From ac7d5ef06a6d6e8d84abbd1f0b82162725f98326 Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Thu, 11 May 1995 17:39:37 +0000 Subject: Initial revision --- cpukit/score/inline/rtems/score/thread.inl | 252 +++++++++++++++++++++++++++++ 1 file changed, 252 insertions(+) create mode 100644 cpukit/score/inline/rtems/score/thread.inl (limited to 'cpukit/score/inline/rtems/score/thread.inl') diff --git a/cpukit/score/inline/rtems/score/thread.inl b/cpukit/score/inline/rtems/score/thread.inl new file mode 100644 index 0000000000..35b8eeccfe --- /dev/null +++ b/cpukit/score/inline/rtems/score/thread.inl @@ -0,0 +1,252 @@ +/* thread.inl + * + * This file contains the macro implementation of the inlined + * routines from the Thread handler. + * + * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. + * On-Line Applications Research Corporation (OAR). + * All rights assigned to U.S. Government, 1994. + * + * This material may be reproduced by or for the U.S. Government pursuant + * to the copyright license under the clause at DFARS 252.227-7013. This + * notice must appear in all copies of this file and its derivatives. + * + * $Id$ + */ + +#ifndef __THREAD_inl +#define __THREAD_inl + +/*PAGE + * + * _Thread_Stop_multitasking + * + */ + +STATIC INLINE void _Thread_Stop_multitasking( void ) +{ + _Context_Switch( &_Thread_Executing->Registers, &_Thread_BSP_context ); +} + +/*PAGE + * + * _Thread_Is_executing + * + */ + +STATIC INLINE boolean _Thread_Is_executing ( + Thread_Control *the_thread +) +{ + return ( the_thread == _Thread_Executing ); +} + +/*PAGE + * + * _Thread_Is_heir + * + */ + +STATIC INLINE boolean _Thread_Is_heir ( + Thread_Control *the_thread +) +{ + return ( the_thread == _Thread_Heir ); +} + +/*PAGE + * + * _Thread_Is_executing_also_the_heir + * + */ + +STATIC INLINE boolean _Thread_Is_executing_also_the_heir( void ) +{ + return ( _Thread_Executing == _Thread_Heir ); +} + +/*PAGE + * + * _Thread_Resume + * + */ + +STATIC INLINE void _Thread_Resume ( + Thread_Control *the_thread +) +{ + _Thread_Clear_state( the_thread, STATES_SUSPENDED ); +} + +/*PAGE + * + * _Thread_Unblock + * + */ + +STATIC INLINE void _Thread_Unblock ( + Thread_Control *the_thread +) +{ + _Thread_Clear_state( the_thread, STATES_BLOCKED ); +} + +/*PAGE + * + * _Thread_Restart_self + * + */ + +STATIC INLINE void _Thread_Restart_self( void ) +{ + if ( _Thread_Executing->fp_context != NULL ) + _Context_Restore_fp( &_Thread_Executing->fp_context ); + + _CPU_Context_Restart_self( &_Thread_Executing->Registers ); +} + +/*PAGE + * + * _Thread_Calculate_heir + * + */ + +STATIC INLINE void _Thread_Calculate_heir( void ) +{ + _Thread_Heir = (Thread_Control *) + _Thread_Ready_chain[ _Priority_Get_highest() ].first; +} + +/*PAGE + * + * _Thread_Is_allocated_fp + * + */ + +STATIC INLINE boolean _Thread_Is_allocated_fp ( + Thread_Control *the_thread +) +{ + return ( the_thread == _Thread_Allocated_fp ); +} + +/*PAGE + * + * _Thread_Deallocate_fp + * + */ + +STATIC INLINE void _Thread_Deallocate_fp( void ) +{ + _Thread_Allocated_fp = NULL; +} + +/*PAGE + * + * _Thread_Disable_dispatch + * + */ + +STATIC INLINE void _Thread_Disable_dispatch( void ) +{ + _Thread_Dispatch_disable_level += 1; +} + +/*PAGE + * + * _Thread_Enable_dispatch + * + */ + +#if ( CPU_INLINE_ENABLE_DISPATCH == TRUE ) +STATIC INLINE void _Thread_Enable_dispatch() +{ + if ( (--_Thread_Dispatch_disable_level) == 0 ) + _Thread_Dispatch(); +} +#endif + +#if ( CPU_INLINE_ENABLE_DISPATCH == FALSE ) +void _Thread_Enable_dispatch( void ); +#endif + +/*PAGE + * + * _Thread_Unnest_dispatch + * + */ + +STATIC INLINE void _Thread_Unnest_dispatch( void ) +{ + _Thread_Dispatch_disable_level -= 1; +} + +/*PAGE + * + * _Thread_Is_dispatching_enabled + * + */ + +STATIC INLINE boolean _Thread_Is_dispatching_enabled( void ) +{ + return ( _Thread_Dispatch_disable_level == 0 ); +} + +/*PAGE + * + * _Thread_Is_context_switch_necessary + * + */ + +STATIC INLINE boolean _Thread_Is_context_switch_necessary( void ) +{ + return ( _Context_Switch_necessary ); +} + +/*PAGE + * + * _Thread_Dispatch_initialization + * + */ + +STATIC INLINE void _Thread_Dispatch_initialization( void ) +{ + _Thread_Dispatch_disable_level = 1; +} + +/*PAGE + * + * _Thread_Is_null + * + */ + +STATIC INLINE boolean _Thread_Is_null ( + Thread_Control *the_thread +) +{ + return ( the_thread == NULL ); +} + +/*PAGE + * + * _Thread_Get + * + */ + +STATIC INLINE Thread_Control *_Thread_Get ( + Objects_Id id, + Objects_Locations *location +) +{ + if ( _Objects_Are_ids_equal( id, OBJECTS_ID_OF_SELF ) ) { + _Thread_Disable_dispatch(); + *location = OBJECTS_LOCAL; + return( _Thread_Executing ); + } + + return (Thread_Control *) + _Objects_Get( &_Thread_Information, id, location ); +} + +#endif +/* end of include file */ -- cgit v1.2.3