diff options
Diffstat (limited to 'c/src/exec/score/src/threadyieldprocessor.c')
-rw-r--r-- | c/src/exec/score/src/threadyieldprocessor.c | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/c/src/exec/score/src/threadyieldprocessor.c b/c/src/exec/score/src/threadyieldprocessor.c deleted file mode 100644 index b46a6b1474..0000000000 --- a/c/src/exec/score/src/threadyieldprocessor.c +++ /dev/null @@ -1,72 +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_Yield_processor - * - * This kernel routine will 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: NONE - * - * Output parameters: NONE - * - * INTERRUPT LATENCY: - * ready chain - * select heir - */ - -void _Thread_Yield_processor( void ) -{ - ISR_Level level; - Thread_Control *executing; - Chain_Control *ready; - - executing = _Thread_Executing; - ready = executing->ready; - _ISR_Disable( level ); - if ( !_Chain_Has_only_one_node( ready ) ) { - _Chain_Extract_unprotected( &executing->Object.Node ); - _Chain_Append_unprotected( ready, &executing->Object.Node ); - - _ISR_Flash( level ); - - if ( _Thread_Is_heir( executing ) ) - _Thread_Heir = (Thread_Control *) ready->first; - _Context_Switch_necessary = TRUE; - } - else if ( !_Thread_Is_heir( executing ) ) - _Context_Switch_necessary = TRUE; - - _ISR_Enable( level ); -} |