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author | Ralf Corsepius <ralf.corsepius@rtems.org> | 2010-06-17 15:29:01 +0000 |
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committer | Ralf Corsepius <ralf.corsepius@rtems.org> | 2010-06-17 15:29:01 +0000 |
commit | b77d6e115acc20b55be63fe197a46b6345785167 (patch) | |
tree | 1cfa401437c70d5962ceaf8a00ef97bfcc909bfc /cpukit/score/src/threadrotatequeue.c | |
parent | 2010-06-17 Ralf Corsépius <ralf.corsepius@rtems.org> (diff) | |
download | rtems-b77d6e115acc20b55be63fe197a46b6345785167.tar.bz2 |
Remove.
Diffstat (limited to 'cpukit/score/src/threadrotatequeue.c')
-rw-r--r-- | cpukit/score/src/threadrotatequeue.c | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/cpukit/score/src/threadrotatequeue.c b/cpukit/score/src/threadrotatequeue.c deleted file mode 100644 index 899f5c01b9..0000000000 --- a/cpukit/score/src/threadrotatequeue.c +++ /dev/null @@ -1,90 +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.rtems.com/license/LICENSE. - * - * $Id$ - */ - -#if HAVE_CONFIG_H -#include "config.h" -#endif - -#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_Rotate_Ready_Queue - * - * This kernel routine will rotate the ready queue. - * remove the running THREAD from the ready chain - * and place it immediatly at the rear of this chain. Reset timeslice - * and yield the processor functions both use this routine, therefore if - * reset is true and this is the only thread on the chain then the - * timeslice counter is reset. The heir THREAD will be updated if the - * running is also the currently the heir. - * - * Input parameters: - * Priority of the queue we wish to modify. - * - * Output parameters: NONE - * - * INTERRUPT LATENCY: - * ready chain - * select heir - */ - -void _Thread_Rotate_Ready_Queue( - Priority_Control priority -) -{ - ISR_Level level; - Thread_Control *executing; - Chain_Control *ready; - Chain_Node *node; - - ready = &_Thread_Ready_chain[ priority ]; - executing = _Thread_Executing; - - if ( ready == executing->ready ) { - _Thread_Yield_processor(); - return; - } - - _ISR_Disable( level ); - - if ( !_Chain_Is_empty( ready ) ) { - if (!_Chain_Has_only_one_node( ready ) ) { - node = _Chain_Get_first_unprotected( ready ); - _Chain_Append_unprotected( ready, node ); - } - } - - _ISR_Flash( level ); - - if ( _Thread_Heir->ready == ready ) - _Thread_Heir = (Thread_Control *) ready->first; - - if ( executing != _Thread_Heir ) - _Context_Switch_necessary = true; - - _ISR_Enable( level ); -} |