diff options
Diffstat (limited to 'c/src/exec/score/src/threadtickletimeslice.c')
-rw-r--r-- | c/src/exec/score/src/threadtickletimeslice.c | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/c/src/exec/score/src/threadtickletimeslice.c b/c/src/exec/score/src/threadtickletimeslice.c deleted file mode 100644 index 24ef516506..0000000000 --- a/c/src/exec/score/src/threadtickletimeslice.c +++ /dev/null @@ -1,86 +0,0 @@ -/* - * Thread Handler - * - * - * COPYRIGHT (c) 1989-1999. - * On-Line Applications Research Corporation (OAR). - * - * The license and distribution terms for this file may be - * found in found in the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * $Id$ - */ - -#include <rtems/system.h> -#include <rtems/score/apiext.h> -#include <rtems/score/context.h> -#include <rtems/score/interr.h> -#include <rtems/score/isr.h> -#include <rtems/score/object.h> -#include <rtems/score/priority.h> -#include <rtems/score/states.h> -#include <rtems/score/sysstate.h> -#include <rtems/score/thread.h> -#include <rtems/score/threadq.h> -#include <rtems/score/userext.h> -#include <rtems/score/wkspace.h> - -/*PAGE - * - * _Thread_Tickle_timeslice - * - * This scheduler routine determines if timeslicing is enabled - * for the currently executing thread and, if so, updates the - * timeslice count and checks for timeslice expiration. - * - * Input parameters: NONE - * - * Output parameters: NONE - */ - -void _Thread_Tickle_timeslice( void ) -{ - Thread_Control *executing; - - executing = _Thread_Executing; - - /* - * Increment the number of ticks this thread has been executing - */ - - executing->ticks_executed++; - - /* - * If the thread is not preemptible or is not ready, then - * just return. - */ - - if ( !executing->is_preemptible ) - return; - - if ( !_States_Is_ready( executing->current_state ) ) - return; - - /* - * The cpu budget algorithm determines what happens next. - */ - - switch ( executing->budget_algorithm ) { - case THREAD_CPU_BUDGET_ALGORITHM_NONE: - break; - - case THREAD_CPU_BUDGET_ALGORITHM_RESET_TIMESLICE: - case THREAD_CPU_BUDGET_ALGORITHM_EXHAUST_TIMESLICE: - if ( --executing->cpu_time_budget == 0 ) { - _Thread_Reset_timeslice(); - executing->cpu_time_budget = _Thread_Ticks_per_timeslice; - } - break; - - case THREAD_CPU_BUDGET_ALGORITHM_CALLOUT: - if ( --executing->cpu_time_budget == 0 ) - (*executing->budget_callout)( executing ); - break; - } -} |