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Diffstat (limited to '')
-rw-r--r-- | c/src/exec/rtems/src/taskmode.c | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/c/src/exec/rtems/src/taskmode.c b/c/src/exec/rtems/src/taskmode.c deleted file mode 100644 index 85a4d996af..0000000000 --- a/c/src/exec/rtems/src/taskmode.c +++ /dev/null @@ -1,122 +0,0 @@ -/* - * RTEMS Task Manager - * - * - * COPYRIGHT (c) 1989-1999. - * 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.OARcorp.com/rtems/license.html. - * - * $Id$ - */ - -#include <rtems/system.h> -#include <rtems/rtems/status.h> -#include <rtems/rtems/support.h> -#include <rtems/rtems/modes.h> -#include <rtems/score/object.h> -#include <rtems/score/stack.h> -#include <rtems/score/states.h> -#include <rtems/rtems/tasks.h> -#include <rtems/score/thread.h> -#include <rtems/score/threadq.h> -#include <rtems/score/tod.h> -#include <rtems/score/userext.h> -#include <rtems/score/wkspace.h> -#include <rtems/score/apiext.h> -#include <rtems/score/sysstate.h> - -/*PAGE - * - * rtems_task_mode - * - * This directive enables and disables several modes of - * execution for the requesting thread. - * - * Input parameters: - * mode_set - new mode - * mask - mask - * previous_mode_set - address of previous mode set - * - * Output: - * *previous_mode_set - previous mode set - * always return RTEMS_SUCCESSFUL; - */ - -rtems_status_code rtems_task_mode( - rtems_mode mode_set, - rtems_mode mask, - rtems_mode *previous_mode_set -) -{ - Thread_Control *executing; - RTEMS_API_Control *api; - ASR_Information *asr; - boolean is_asr_enabled = FALSE; - boolean needs_asr_dispatching = FALSE; - rtems_mode old_mode; - - executing = _Thread_Executing; - api = executing->API_Extensions[ THREAD_API_RTEMS ]; - asr = &api->Signal; - - old_mode = (executing->is_preemptible) ? RTEMS_PREEMPT : RTEMS_NO_PREEMPT; - - if ( executing->budget_algorithm == THREAD_CPU_BUDGET_ALGORITHM_NONE ) - old_mode |= RTEMS_NO_TIMESLICE; - else - old_mode |= RTEMS_TIMESLICE; - - old_mode |= (asr->is_enabled) ? RTEMS_ASR : RTEMS_NO_ASR; - old_mode |= _ISR_Get_level(); - - *previous_mode_set = old_mode; - - /* - * These are generic thread scheduling characteristics. - */ - - if ( mask & RTEMS_PREEMPT_MASK ) - executing->is_preemptible = _Modes_Is_preempt(mode_set) ? TRUE : FALSE; - - if ( mask & RTEMS_TIMESLICE_MASK ) { - if ( _Modes_Is_timeslice(mode_set) ) - executing->budget_algorithm = THREAD_CPU_BUDGET_ALGORITHM_RESET_TIMESLICE; - else - executing->budget_algorithm = THREAD_CPU_BUDGET_ALGORITHM_NONE; - } - - /* - * Set the new interrupt level - */ - - if ( mask & RTEMS_INTERRUPT_MASK ) - _Modes_Set_interrupt_level( mode_set ); - - /* - * This is specific to the RTEMS API - */ - - is_asr_enabled = FALSE; - needs_asr_dispatching = FALSE; - - if ( mask & RTEMS_ASR_MASK ) { - is_asr_enabled = _Modes_Is_asr_disabled( mode_set ) ? FALSE : TRUE; - if ( is_asr_enabled != asr->is_enabled ) { - asr->is_enabled = is_asr_enabled; - _ASR_Swap_signals( asr ); - if ( _ASR_Are_signals_pending( asr ) ) { - needs_asr_dispatching = TRUE; - executing->do_post_task_switch_extension = TRUE; - } - } - } - - if ( _System_state_Is_up(_System_state_Current) ) - if ( _Thread_Evaluate_mode() || needs_asr_dispatching ) - _Thread_Dispatch(); - - return RTEMS_SUCCESSFUL; -} |