From 5bfd370074c727ddc67dded2c232c25d92cd5e35 Mon Sep 17 00:00:00 2001
From: Sebastian Huber <sebastian.huber@embedded-brains.de>
Date: Thu, 15 Jul 2021 17:08:59 +0200
Subject: validation: Add SetIOReleaxHandler()

---
 spec/build/testsuites/validation/libvalidation.yml |  1 +
 testsuites/validation/tx-io-relax.c                | 67 ++++++++++++++++++++++
 testsuites/validation/tx-support.h                 |  2 +
 3 files changed, 70 insertions(+)
 create mode 100644 testsuites/validation/tx-io-relax.c

diff --git a/spec/build/testsuites/validation/libvalidation.yml b/spec/build/testsuites/validation/libvalidation.yml
index 601ef80c9b..3631544972 100644
--- a/spec/build/testsuites/validation/libvalidation.yml
+++ b/spec/build/testsuites/validation/libvalidation.yml
@@ -13,6 +13,7 @@ links: []
 source:
 - testsuites/validation/tx-call-within-isr.c
 - testsuites/validation/tx-interrupt.c
+- testsuites/validation/tx-io-relax.c
 - testsuites/validation/tx-memory.c
 - testsuites/validation/tx-memory-alloc.c
 - testsuites/validation/tx-support.c
diff --git a/testsuites/validation/tx-io-relax.c b/testsuites/validation/tx-io-relax.c
new file mode 100644
index 0000000000..1930c66b19
--- /dev/null
+++ b/testsuites/validation/tx-io-relax.c
@@ -0,0 +1,67 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/**
+ * @file
+ *
+ * @ingroup RTEMSTestSuites
+ *
+ * @brief This source file contains the implementation of SetIORelaxHandler().
+ */
+
+/*
+ * 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "tx-support.h"
+
+void __real__IO_Relax( void );
+
+void __wrap__IO_Relax( void );
+
+static void ( *io_relax_handler )( void * );
+
+static void *io_relax_arg;
+
+void __wrap__IO_Relax( void )
+{
+  void ( *handler )( void * );
+
+  handler = io_relax_handler;
+
+  if ( handler != NULL ) {
+    ( *handler )( io_relax_arg );
+  }
+
+  __real__IO_Relax();
+}
+
+void SetIORelaxHandler( void ( *handler )( void * ), void *arg )
+{
+  io_relax_handler = handler;
+  io_relax_arg = arg;
+}
diff --git a/testsuites/validation/tx-support.h b/testsuites/validation/tx-support.h
index 3cd72109a1..f933f1b6d6 100644
--- a/testsuites/validation/tx-support.h
+++ b/testsuites/validation/tx-support.h
@@ -425,6 +425,8 @@ void ClearExtensionCalls( ExtensionCalls *calls );
 
 void CopyExtensionCalls( const ExtensionCalls *from, ExtensionCalls *to );
 
+void SetIORelaxHandler( void ( *handler )( void * ), void *arg );
+
 /** @} */
 
 #ifdef __cplusplus
-- 
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