Add stubs.c for stubbed functions

We add the stubs needed when "forking" processes.

Signed-off-by: Vlad-Andrei Badoiu <vlad_andrei.badoiu@stud.acs.upb.ro>
Signed-off-by: Costin Lupu <costin.lupu@cs.pub.ro>
Reviewed-by: Felipe Huici <felipe.huici@neclab.eu>

diff --git a/Makefile.uk b/Makefile.uk
index be046d71fc7888887655b699d9c2e04b8f6d28a0..e7c8b179783e3c911027595aa5d65d7af3a6b47b 100644 (file)
--- a/Makefile.uk
+++ b/Makefile.uk
@@ -98,6 +98,7 @@ LIBPYTHON3_CINCLUDES-y   += $(LIBPYTHON3_COMMON_INCLUDES-y)
 LIBPYTHON3_CXXINCLUDES-y += $(LIBPYTHON3_COMMON_INCLUDES-y)
 
 LIBPYTHON3_SRCS-y += $(LIBPYTHON3_BASE)/modules_config.c|unikraft
+LIBPYTHON3_SRCS-y += $(LIBPYTHON3_BASE)/stubs.c|unikraft
 
 ################################################################################
 # Python core

diff --git a/include/Python.h b/include/Python.h
new file mode 100644 (file)
index 0000000..9368955
--- /dev/null
+++ b/include/Python.h
@@ -0,0 +1,50 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
+/*
+ * Authors: Costin Lupu <costin.lupu@cs.pub.ro>
+ *
+ * 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 __GLUE_Python_H__
+#define __GLUE_Python_H__
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include_next <Python.h>
+
+void PyOS_BeforeFork(void);
+void PyOS_AfterFork_Parent(void);
+void PyOS_AfterFork_Child(void);
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* !__GLUE_Python_H__ */

diff --git a/stubs.c b/stubs.c
new file mode 100644 (file)
index 0000000..e390792
--- /dev/null
+++ b/stubs.c
@@ -0,0 +1,45 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
+/*
+ * Authors: Badoiu Vlad-Andrei <vlad_andrei.badoiu@stud.acs.upb.ro>
+ *
+ * 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.
+ */
+
+void PyOS_BeforeFork(void)
+{
+}
+
+void PyOS_AfterFork_Parent(void)
+{
+}
+
+void PyOS_AfterFork_Child(void)
+{
+}