[Minios-devel] [UNIKRAFT PATCH 1/7] plat/linuxu: Add assert.h

[Costin Lupu <costin.lupu@xxxxxxxxx>]

Add Linux assertions for verifying return values of syscalls.

Signed-off-by: Costin Lupu <costin.lupu@xxxxxxxxx>
---
 plat/linuxu/include/linuxu/assert.h | 59 +++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 plat/linuxu/include/linuxu/assert.h

diff --git a/plat/linuxu/include/linuxu/assert.h 
b/plat/linuxu/include/linuxu/assert.h
new file mode 100644
index 0000000..5fa51e2
--- /dev/null
+++ b/plat/linuxu/include/linuxu/assert.h
@@ -0,0 +1,59 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
+/*
+ * Authors: Costin Lupu <costin.lupu@xxxxxxxxx>
+ *
+ * Copyright (c) 2018, NEC Europe Ltd., NEC Corporation. All rights reserved.
+ *
+ * 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.
+ * 3. Neither the name of the copyright holder nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * 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 HOLDER 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.
+ *
+ * THIS HEADER MAY NOT BE EXTRACTED OR MODIFIED IN ANY WAY.
+ */
+#ifndef __ASSERT_H__
+#define __ASSERT_H__
+
+#include <string.h>
+#include <uk/assert.h>
+
+#if HAVE_LIBC
+#define UK_CRASH_ERROR(rc) \
+       do { \
+               if ((rc) < 0) \
+                       UK_CRASH("%s\n", strerror(-rc)); \
+               else \
+                       UK_CRASH("Unexpected return value: %d\n", (rc)); \
+       } while (0)
+#else
+#define UK_CRASH_ERROR(rc) \
+       UK_CRASH("Unexpected return value: %d\n", (rc))
+#endif
+
+#define LINUXU_ASSERT(rc, expected) \
+       do { \
+               if ((rc) != (expected)) \
+                       UK_CRASH_ERROR(rc); \
+       } while (0)
+
+#endif /* __ASSERT_H__ */
-- 
2.1.4


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