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Diffstat (limited to 'cpukit/score/inline/rtems/score/thread.inl')
| -rw-r--r-- | cpukit/score/inline/rtems/score/thread.inl | 275 |
1 files changed, 0 insertions, 275 deletions
diff --git a/cpukit/score/inline/rtems/score/thread.inl b/cpukit/score/inline/rtems/score/thread.inl deleted file mode 100644 index 9c0aecb01a..0000000000 --- a/cpukit/score/inline/rtems/score/thread.inl +++ /dev/null @@ -1,275 +0,0 @@ -/** - * @file - * - * @brief Inlined Routines from the Thread Handler - * - * This file contains the macro implementation of the inlined - * routines from the Thread handler. - */ - -/* - * COPYRIGHT (c) 1989-2008. - * On-Line Applications Research Corporation (OAR). - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.com/license/LICENSE. - */ - -#ifndef _RTEMS_SCORE_THREAD_H -# error "Never use <rtems/score/thread.inl> directly; include <rtems/score/thread.h> instead." -#endif - -#ifndef _RTEMS_SCORE_THREAD_INL -#define _RTEMS_SCORE_THREAD_INL - -#include <rtems/score/context.h> - -/** - * @addtogroup ScoreThread - */ -/**@{**/ - - -/** - * This routine halts multitasking and returns control to - * the "thread" (i.e. the BSP) which initially invoked the - * routine which initialized the system. - */ - -RTEMS_INLINE_ROUTINE void _Thread_Stop_multitasking( void ) -{ -#if defined(_CPU_Stop_multitasking) - _CPU_Stop_multitasking( &_Thread_BSP_context ); -#else - /* - * This may look a bit of an odd but _Context_Restart_self is just - * a very careful restore of a specific context which ensures that - * if we were running within the same context, it would work. - * - * And we will not return to this thread, so there is no point of - * saving the context. - */ - _Context_Restart_self( &_Thread_BSP_context ); -#endif - - /*************************************************************** - *************************************************************** - * SYSTEM SHUTS DOWN!!! WE DO NOT RETURN TO THIS POINT!!! * - *************************************************************** - *************************************************************** - */ -} - -/** - * This function returns true if the_thread is the currently executing - * thread, and false otherwise. - */ - -RTEMS_INLINE_ROUTINE bool _Thread_Is_executing ( - const Thread_Control *the_thread -) -{ - return ( the_thread == _Thread_Executing ); -} - -/** - * This function returns true if the_thread is the heir - * thread, and false otherwise. - */ - -RTEMS_INLINE_ROUTINE bool _Thread_Is_heir ( - const Thread_Control *the_thread -) -{ - return ( the_thread == _Thread_Heir ); -} - -/** - * This function returns true if the currently executing thread - * is also the heir thread, and false otherwise. - */ - -RTEMS_INLINE_ROUTINE bool _Thread_Is_executing_also_the_heir( void ) -{ - return ( _Thread_Executing == _Thread_Heir ); -} - -/** - * This routine clears any blocking state for the_thread. It performs - * any necessary scheduling operations including the selection of - * a new heir thread. - */ - -RTEMS_INLINE_ROUTINE void _Thread_Unblock ( - Thread_Control *the_thread -) -{ - _Thread_Clear_state( the_thread, STATES_BLOCKED ); -} - -/** - * This routine resets the current context of the calling thread - * to that of its initial state. - */ - -RTEMS_INLINE_ROUTINE void _Thread_Restart_self( void ) -{ -#if ( CPU_HARDWARE_FP == TRUE ) || ( CPU_SOFTWARE_FP == TRUE ) - if ( _Thread_Executing->fp_context != NULL ) - _Context_Restore_fp( &_Thread_Executing->fp_context ); -#endif - - _CPU_Context_Restart_self( &_Thread_Executing->Registers ); -} - -/** - * This function returns true if the floating point context of - * the_thread is currently loaded in the floating point unit, and - * false otherwise. - */ - -#if ( CPU_HARDWARE_FP == TRUE ) || ( CPU_SOFTWARE_FP == TRUE ) -RTEMS_INLINE_ROUTINE bool _Thread_Is_allocated_fp ( - const Thread_Control *the_thread -) -{ - return ( the_thread == _Thread_Allocated_fp ); -} -#endif - -/** - * This routine is invoked when the currently loaded floating - * point context is now longer associated with an active thread. - */ - -#if ( CPU_HARDWARE_FP == TRUE ) || ( CPU_SOFTWARE_FP == TRUE ) -RTEMS_INLINE_ROUTINE void _Thread_Deallocate_fp( void ) -{ - _Thread_Allocated_fp = NULL; -} -#endif - -/** - * This function returns true if dispatching is disabled, and false - * otherwise. - */ - -RTEMS_INLINE_ROUTINE bool _Thread_Is_context_switch_necessary( void ) -{ - return ( _Thread_Dispatch_necessary ); -} - -/** - * This function returns true if the_thread is NULL and false otherwise. - */ - -RTEMS_INLINE_ROUTINE bool _Thread_Is_null ( - const Thread_Control *the_thread -) -{ - return ( the_thread == NULL ); -} - -/** - * @brief Is proxy blocking. - * - * status which indicates that a proxy is blocking, and false otherwise. - */ -RTEMS_INLINE_ROUTINE bool _Thread_Is_proxy_blocking ( - uint32_t code -) -{ - return (code == THREAD_STATUS_PROXY_BLOCKING); -} - -/** - * This routine allocates an internal thread. - */ - -RTEMS_INLINE_ROUTINE Thread_Control *_Thread_Internal_allocate( void ) -{ - return (Thread_Control *) _Objects_Allocate( &_Thread_Internal_information ); -} - -/** - * This routine frees an internal thread. - */ - -RTEMS_INLINE_ROUTINE void _Thread_Internal_free ( - Thread_Control *the_task -) -{ - _Objects_Free( &_Thread_Internal_information, &the_task->Object ); -} - -RTEMS_INLINE_ROUTINE void _Thread_Set_global_exit_status( - uint32_t exit_status -) -{ - Thread_Control *idle = (Thread_Control *) - _Thread_Internal_information.local_table[ 1 ]; - - idle->Wait.return_code = exit_status; -} - -RTEMS_INLINE_ROUTINE uint32_t _Thread_Get_global_exit_status( void ) -{ - const Thread_Control *idle = (const Thread_Control *) - _Thread_Internal_information.local_table[ 1 ]; - - return idle->Wait.return_code; -} - -/** - * @brief Issues a thread dispatch if necessary. - * - * @param[in] executing The executing thread. - * @param[in] needs_asr_dispatching Indicates whether or not the API - * level signals are pending and a dispatch is necessary. - */ -RTEMS_INLINE_ROUTINE void _Thread_Dispatch_if_necessary( - Thread_Control *executing, - bool needs_asr_dispatching -) -{ - if ( _Thread_Dispatch_is_enabled() ) { - bool dispatch_necessary = needs_asr_dispatching; - - if ( !_Thread_Is_heir( executing ) && executing->is_preemptible ) { - dispatch_necessary = true; - _Thread_Dispatch_necessary = dispatch_necessary; - } - - if ( dispatch_necessary ) { - _Thread_Dispatch(); - } - } -} - -#if !defined(__DYNAMIC_REENT__) -/** - * This routine returns the C library re-enterant pointer. - */ - -RTEMS_INLINE_ROUTINE struct _reent **_Thread_Get_libc_reent( void ) -{ - return _Thread_libc_reent; -} - -/** - * This routine set the C library re-enterant pointer. - */ - -RTEMS_INLINE_ROUTINE void _Thread_Set_libc_reent ( - struct _reent **libc_reent -) -{ - _Thread_libc_reent = libc_reent; -} -#endif - -/** @}*/ - -#endif -/* end of include file */ |