1 files changed, 134 insertions, 0 deletions
diff --git a/cpukit/include/rtems/score/threadqops.h b/cpukit/include/rtems/score/threadqops.h
new file mode 100644
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+++ b/cpukit/include/rtems/score/threadqops.h
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+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/**
+ * @file
+ *
+ * @ingroup RTEMSScoreThreadQueue
+ *
+ * @brief This header file provides interfaces related to thread queue
+ *   operations.
+ */
+
+/*
+ * Copyright (C) 2021 embedded brains GmbH (http://www.embedded-brains.de)
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _RTEMS_SCORE_THREADQOPS_H
+#define _RTEMS_SCORE_THREADQOPS_H
+
+#include <rtems/score/threadq.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @addtogroup RTEMSScoreThreadQueue
+ *
+ * @{
+ */
+
+/**
+ * @brief Initializes the priority actions so that no actions are performed.
+ *
+ * @param queue is unused.
+ *
+ * @param[out] priority_actions is initialized so that no actions are
+ *   performed.
+ */
+void _Thread_queue_Do_nothing_priority_actions(
+  Thread_queue_Queue *queue,
+  Priority_Actions   *priority_actions
+);
+
+/**
+ * @brief Enqueues the thread to the FIFO thread queue.
+ *
+ * @param[in, out] queue is the thread queue.
+ *
+ * @param[in, out] the_thread is the thread to enqueue.
+ *
+ * @param[in, out] queue_context is the thread queue context.
+ */
+void _Thread_queue_FIFO_enqueue(
+  Thread_queue_Queue   *queue,
+  Thread_Control       *the_thread,
+  Thread_queue_Context *queue_context
+);
+
+/**
+ * @brief Extracts the thread from the FIFO thread queue.
+ *
+ * @param[in, out] queue is the thread queue.
+ *
+ * @param[in, out] the_thread is the thread to extract.
+ *
+ * @param[in, out] queue_context is the thread queue context.
+ */
+void _Thread_queue_FIFO_extract(
+  Thread_queue_Queue   *queue,
+  Thread_Control       *the_thread,
+  Thread_queue_Context *queue_context
+);
+
+/**
+ * @brief Surrenders the thread queue to the first thread on the FIFO thread
+ *   queue.
+ *
+ * @param[in, out] queue is the thread queue.
+ *
+ * @param[in, out] heads are heads of the thread queue.
+ *
+ * @param previous_owner is unused.
+ *
+ * @param[in, out] queue_context is the thread queue context.
+ *
+ * @return Returns the first thread on the thread queue according to the queue
+ *   order.
+ */
+Thread_Control *_Thread_queue_FIFO_surrender(
+  Thread_queue_Queue   *queue,
+  Thread_queue_Heads   *heads,
+  Thread_Control       *previous_owner,
+  Thread_queue_Context *queue_context
+);
+
+/**
+ * @brief Gets the first thread on the FIFO thread queue.
+ *
+ * @param[in, out] queue is the thread queue.
+ *
+ * @param[in, out] the_thread is the thread to extract.
+ *
+ * @param[in, out] queue_context is the thread queue context.
+ */
+Thread_Control *_Thread_queue_FIFO_first( const Thread_queue_Heads *heads );
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _RTEMS_SCORE_THREADQOPS_H */