From 762ee52cfe9b1e3ab8733f711f2a2f044ede334d Mon Sep 17 00:00:00 2001
From: Cyril Hrubis <chrubis@suse.cz>
Date: Mon, 4 Nov 2024 14:29:24 +0100
Subject: [PATCH] shell lib: Add example how to run C child

Signed-off-by: Cyril Hrubis <chrubis@suse.cz>
Reviewed-by: Petr Vorel <pvorel@suse.cz>
Tested-by: Petr Vorel <pvorel@suse.cz>
---
 testcases/lib/run_tests.sh                  |  2 +-
 testcases/lib/tests/.gitignore              |  1 +
 testcases/lib/tests/shell_c_child.c         | 16 ++++++++++++++
 testcases/lib/tests/shell_loader_c_child.sh | 24 +++++++++++++++++++++
 4 files changed, 42 insertions(+), 1 deletion(-)
 create mode 100644 testcases/lib/tests/shell_c_child.c
 create mode 100755 testcases/lib/tests/shell_loader_c_child.sh

diff --git a/testcases/lib/run_tests.sh b/testcases/lib/run_tests.sh
index 8ea615f968c..40d415e6c42 100755
--- a/testcases/lib/run_tests.sh
+++ b/testcases/lib/run_tests.sh
@@ -14,7 +14,7 @@ for i in shell_loader.sh shell_loader_all_filesystems.sh shell_loader_no_metadat
 	 shell_loader_wrong_metadata.sh shell_loader_invalid_metadata.sh\
 	 shell_loader_supported_archs.sh shell_loader_filesystems.sh\
 	 shell_loader_tcnt.sh shell_loader_kconfigs.sh shell_loader_tags.sh \
-	 shell_loader_invalid_block.sh; do
+	 shell_loader_invalid_block.sh shell_loader_c_child.sh; do
 	echo
 	echo "*** Running $i ***"
 	echo
diff --git a/testcases/lib/tests/.gitignore b/testcases/lib/tests/.gitignore
index da967c4d6fe..e9e163d13b7 100644
--- a/testcases/lib/tests/.gitignore
+++ b/testcases/lib/tests/.gitignore
@@ -4,3 +4,4 @@ shell_test03
 shell_test04
 shell_test05
 shell_test06
+shell_c_child
diff --git a/testcases/lib/tests/shell_c_child.c b/testcases/lib/tests/shell_c_child.c
new file mode 100644
index 00000000000..fda5133a666
--- /dev/null
+++ b/testcases/lib/tests/shell_c_child.c
@@ -0,0 +1,16 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Shell test C child example.
+ */
+
+#define TST_NO_DEFAULT_MAIN
+#include "tst_test.h"
+
+int main(void)
+{
+	tst_reinit();
+
+	tst_res(TPASS, "C child works fine!");
+
+	return 0;
+}
diff --git a/testcases/lib/tests/shell_loader_c_child.sh b/testcases/lib/tests/shell_loader_c_child.sh
new file mode 100755
index 00000000000..d190be6e247
--- /dev/null
+++ b/testcases/lib/tests/shell_loader_c_child.sh
@@ -0,0 +1,24 @@
+#!/bin/sh
+#
+# ---
+# doc
+#
+# [Description]
+#
+# This is an example how to run C child from shell.
+# ---
+#
+# ---
+# env
+# {
+# }
+# ---
+
+. tst_loader.sh
+
+if [ -n "LTP_IPC_PATH" ]; then
+	tst_res TPASS "LTP_IPC_PATH=$LTP_IPC_PATH!"
+fi
+
+tst_res TINFO "Running C child"
+shell_c_child