base: add error checking macros

Define there options for runtime error handling:
- assert on all errors (ASSERT_ON_ERRORS)
- no runtime checks (no asserts, no runtime error handling)
  (NO_RUNTIME_CHECKS)
- full runtime error handling (the default) (RUNTIME_ERROR_CHECKS)

Signed-off-by: Anas Nashif <anas.nashif@intel.com>

include/sys/check.h

@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2019 Intel Corporation
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+
+#ifndef ZEPHYR_INCLUDE_SYS_CHECK_H_
+#define ZEPHYR_INCLUDE_SYS_CHECK_H_
+
+#include <sys/__assert.h>
+
+#if defined(CONFIG_ASSERT_ON_ERRORS)
+#define CHECKIF(expr) \
+	__ASSERT_NO_MSG(!(expr));   \
+	if (0)
+#elif defined(CONFIG_NO_RUNTIME_CHECKS)
+#define CHECKIF(...) \
+	if (0)
+#else
+#define CHECKIF(expr) \
+	if (expr)
+#endif
+
+
+#endif /* ZEPHYR_INCLUDE_SYS_CHECK_H_ */