diff options
Diffstat (limited to 'c/src/exec/score/inline/rtems/score/tqdata.inl')
-rw-r--r-- | c/src/exec/score/inline/rtems/score/tqdata.inl | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/c/src/exec/score/inline/rtems/score/tqdata.inl b/c/src/exec/score/inline/rtems/score/tqdata.inl new file mode 100644 index 0000000000..4da6629b27 --- /dev/null +++ b/c/src/exec/score/inline/rtems/score/tqdata.inl @@ -0,0 +1,73 @@ +/* tqdata.inl + * + * This file contains the static inline implementation of the inlined + * routines needed to support the Thread Queue Data. + * + * COPYRIGHT (c) 1989-1997. + * On-Line Applications Research Corporation (OAR). + * Copyright assigned to U.S. Government, 1994. + * + * The license and distribution terms for this file may in + * the file LICENSE in this distribution or at + * http://www.OARcorp.com/rtems/license.html. + * + * $Id$ + */ + +#ifndef __THREAD_QUEUE_DATA_inl +#define __THREAD_QUEUE_DATA_inl + +/*PAGE + * + * _Thread_queue_Header_number + * + * DESCRIPTION: + * + * This function returns the index of the priority chain on which + * a thread of the_priority should be placed. + */ + +RTEMS_INLINE_ROUTINE unsigned32 _Thread_queue_Header_number ( + Priority_Control the_priority +) +{ + return (the_priority / TASK_QUEUE_DATA_PRIORITIES_PER_HEADER); +} + +/*PAGE + * + * _Thread_queue_Is_reverse_search + * + * DESCRIPTION: + * + * This function returns TRUE if the_priority indicates that the + * enqueue search should start at the front of this priority + * group chain, and FALSE if the search should start at the rear. + */ + +RTEMS_INLINE_ROUTINE boolean _Thread_queue_Is_reverse_search ( + Priority_Control the_priority +) +{ + return ( the_priority & TASK_QUEUE_DATA_REVERSE_SEARCH_MASK ); +} + +/*PAGE + * + * _Thread_queue_Enter_critical_section + * + * DESCRIPTION: + * + * This routine is invoked to indicate that the specified thread queue is + * entering a critical section. + */ + +RTEMS_INLINE_ROUTINE void _Thread_queue_Enter_critical_section ( + Thread_queue_Control *the_thread_queue +) +{ + the_thread_queue->sync_state = THREAD_QUEUE_NOTHING_HAPPENED; +} + +#endif +/* end of include file */ |