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[Minios-devel] [UNIKRAFT PATCH] include/uk: Introduce <ctors_prio.h> header for constructors priority values



We introduce the <ctors_prio.h> header as a way for centralizing all the values
for constructor priorities. Whenever we will want to change the values we will
do it here.

It's not obvious from the beginning which values we should assign to the
constructors in the system, so we expect this file to be prone to many changes
in the future.

Signed-off-by: Costin Lupu <costin.lupu@xxxxxxxxx>
---
 include/uk/ctors_prio.h | 65 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 include/uk/ctors_prio.h

diff --git a/include/uk/ctors_prio.h b/include/uk/ctors_prio.h
new file mode 100644
index 00000000..5ce9c95d
--- /dev/null
+++ b/include/uk/ctors_prio.h
@@ -0,0 +1,65 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
+/*
+ * Authors: Costin Lupu <costin.lupu@xxxxxxxxx>
+ *
+ * Copyright (c) 2019, University Politehnica of Bucharest. 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 __UK_CTORS__PRIO_H__
+#define __UK_CTORS__PRIO_H__
+
+#include <uk/essentials.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef __GNUC__
+
+/* Constructor attribute */
+#define UK_CTOR_ATTR(value)   __attribute__((constructor(value)))
+
+
+/*
+ * Constructors priority values
+ */
+#define UK_CTOR_PRIO_PTHREAD_EMBEDDED              101
+
+
+
+#else
+#error "Please define constructor priorities for your compiler!"
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __UK_CTORS__PRIO_H__ */
-- 
2.20.1


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