summaryrefslogtreecommitdiffstats
path: root/cpukit/score/src/threadqextract.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--cpukit/score/src/threadqextract.c76
1 files changed, 76 insertions, 0 deletions
diff --git a/cpukit/score/src/threadqextract.c b/cpukit/score/src/threadqextract.c
new file mode 100644
index 0000000000..32985a0f3a
--- /dev/null
+++ b/cpukit/score/src/threadqextract.c
@@ -0,0 +1,76 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/**
+ * @file
+ *
+ * @ingroup RTEMSScoreThreadQueue
+ *
+ * @brief This source file contains the implementation of
+ * _Thread_queue_Extract().
+ */
+
+/*
+ * COPYRIGHT (c) 1989-2014.
+ * On-Line Applications Research Corporation (OAR).
+ *
+ * Copyright (C) 2015, 2016 embedded brains GmbH & Co. KG
+ *
+ * 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <rtems/score/threadqimpl.h>
+#include <rtems/score/threadimpl.h>
+
+void _Thread_queue_Extract( Thread_Control *the_thread )
+{
+ Thread_queue_Context queue_context;
+ Thread_queue_Queue *queue;
+
+ _Thread_queue_Context_initialize( &queue_context );
+ _Thread_queue_Context_clear_priority_updates( &queue_context );
+ _Thread_Wait_acquire( the_thread, &queue_context );
+
+ queue = the_thread->Wait.queue;
+
+ if ( queue != NULL ) {
+ _Thread_Wait_remove_request( the_thread, &queue_context.Lock_context );
+ _Thread_queue_Context_set_MP_callout(
+ &queue_context,
+ _Thread_queue_MP_callout_do_nothing
+ );
+#if defined(RTEMS_MULTIPROCESSING)
+ _Thread_queue_MP_set_callout( the_thread, &queue_context );
+#endif
+ ( *the_thread->Wait.operations->extract )(
+ queue,
+ the_thread,
+ &queue_context
+ );
+ _Thread_queue_Resume( queue, the_thread, &queue_context );
+ } else {
+ _Thread_Wait_release( the_thread, &queue_context );
+ }
+}