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-rw-r--r--cpukit/score/include/rtems/score/schedulernodeimpl.h134
1 files changed, 134 insertions, 0 deletions
diff --git a/cpukit/score/include/rtems/score/schedulernodeimpl.h b/cpukit/score/include/rtems/score/schedulernodeimpl.h
new file mode 100644
index 0000000000..ecb61c239a
--- /dev/null
+++ b/cpukit/score/include/rtems/score/schedulernodeimpl.h
@@ -0,0 +1,134 @@
+/*
+ * Copyright (c) 2014, 2016 embedded brains GmbH. All rights reserved.
+ *
+ * embedded brains GmbH
+ * Dornierstr. 4
+ * 82178 Puchheim
+ * Germany
+ * <rtems@embedded-brains.de>
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.org/license/LICENSE.
+ */
+
+#ifndef _RTEMS_SCORE_SCHEDULERNODEIMPL_H
+#define _RTEMS_SCORE_SCHEDULERNODEIMPL_H
+
+#include <rtems/score/schedulernode.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+#define SCHEDULER_NODE_OF_WAIT_CHAIN_NODE( node ) \
+ RTEMS_CONTAINER_OF( node, Scheduler_Node, Wait.Node.Chain )
+
+#define SCHEDULER_NODE_OF_WAIT_RBTREE_NODE( node ) \
+ RTEMS_CONTAINER_OF( node, Scheduler_Node, Wait.Node.RBTree )
+
+RTEMS_INLINE_ROUTINE void _Scheduler_Node_do_initialize(
+ Scheduler_Node *node,
+ Thread_Control *the_thread,
+ Priority_Control priority
+)
+{
+ node->owner = the_thread;
+
+ node->Priority.value = priority;
+ node->Priority.prepend_it = false;
+
+#if defined(RTEMS_SMP)
+ node->user = the_thread;
+ node->help_state = SCHEDULER_HELP_YOURSELF;
+ node->idle = NULL;
+ node->accepts_help = the_thread;
+ _SMP_sequence_lock_Initialize( &node->Priority.Lock );
+#else
+ (void) the_thread;
+#endif
+}
+
+RTEMS_INLINE_ROUTINE Thread_Control *_Scheduler_Node_get_owner(
+ const Scheduler_Node *node
+)
+{
+ return node->owner;
+}
+
+RTEMS_INLINE_ROUTINE Priority_Control _Scheduler_Node_get_priority(
+ Scheduler_Node *node,
+ bool *prepend_it_p
+)
+{
+ Priority_Control priority;
+ bool prepend_it;
+
+#if defined(RTEMS_SMP)
+ unsigned int seq;
+
+ do {
+ seq = _SMP_sequence_lock_Read_begin( &node->Priority.Lock );
+#endif
+
+ priority = node->Priority.value;
+ prepend_it = node->Priority.prepend_it;
+
+#if defined(RTEMS_SMP)
+ } while ( _SMP_sequence_lock_Read_retry( &node->Priority.Lock, seq ) );
+#endif
+
+ *prepend_it_p = prepend_it;
+
+ return priority;
+}
+
+RTEMS_INLINE_ROUTINE void _Scheduler_Node_set_priority(
+ Scheduler_Node *node,
+ Priority_Control new_priority,
+ bool prepend_it
+)
+{
+#if defined(RTEMS_SMP)
+ unsigned int seq;
+
+ seq = _SMP_sequence_lock_Write_begin( &node->Priority.Lock );
+#endif
+
+ node->Priority.value = new_priority;
+ node->Priority.prepend_it = prepend_it;
+
+#if defined(RTEMS_SMP)
+ _SMP_sequence_lock_Write_end( &node->Priority.Lock, seq );
+#endif
+}
+
+#if defined(RTEMS_SMP)
+RTEMS_INLINE_ROUTINE Thread_Control *_Scheduler_Node_get_user(
+ const Scheduler_Node *node
+)
+{
+ return node->user;
+}
+
+RTEMS_INLINE_ROUTINE void _Scheduler_Node_set_user(
+ Scheduler_Node *node,
+ Thread_Control *user
+)
+{
+ node->user = user;
+}
+
+RTEMS_INLINE_ROUTINE Thread_Control *_Scheduler_Node_get_idle(
+ const Scheduler_Node *node
+)
+{
+ return node->idle;
+}
+#endif
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* _RTEMS_SCORE_SCHEDULERNODEIMPL_H */