[Minios-devel] [UNIKRAFT/NEWLIB PATCH v2 3/5] Add signal related stubs

[Vlad-Andrei BĂDOIU (78692) <vlad_andrei.badoiu@xxxxxxxxxxxxxxx>]

This patch adds a new file signal.c which contains stubs related to signals.

Signed-off-by: Vlad-Andrei Badoiu <vlad_andrei.badoiu@xxxxxxxxxxxxxxx>
---
 Makefile.uk |  1 +
 signal.c    | 56 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 57 insertions(+)
 create mode 100644 signal.c

diff --git a/Makefile.uk b/Makefile.uk
index 40e0dae..9d1b275 100644
--- a/Makefile.uk
+++ b/Makefile.uk
@@ -114,6 +114,7 @@ LIBNEWLIBGLUE_SRCS-y += $(LIBNEWLIBC_BASE)/pty.c
 LIBNEWLIBGLUE_SRCS-y += $(LIBNEWLIBC_BASE)/time.c|glue
 LIBNEWLIBGLUE_SRCS-y += $(LIBNEWLIBC_BASE)/locale.c
 LIBNEWLIBGLUE_SRCS-y += $(LIBNEWLIBC_BASE)/dev.c
+LIBNEWLIBGLUE_SRCS-y += $(LIBNEWLIBC_BASE)/signal.c
 
 
################################################################################
 # Newlib/libc code -- argz
diff --git a/signal.c b/signal.c
new file mode 100644
index 0000000..680bcaf
--- /dev/null
+++ b/signal.c
@@ -0,0 +1,56 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
+/*
+ * Authors: Vlad-Andrei Badoiu <vlad_andrei.badoiu@xxxxxxxxxxxxxxx
+ *
+ * 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.
+ */
+
+#include <signal.h>
+
+int sigaction(int sig __unused, const struct sigaction *restrict act __unused,
+             struct sigaction *restrict oact __unused)
+{
+       return 0;
+}
+
+unsigned int alarm(unsigned int seconds __unused)
+{
+       return 0;
+}
+
+int pause(void)
+{
+       return 0;
+}
+
+int siginterrupt(int sig __unused, int flag __unused)
+{
+       return 0;
+}
-- 
2.21.0

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