[LTP] [PATCH v5 05/11] Add wqueue03 test

[Andrea Cervesato]

This test is testing NOTIFY_KEY_REVOKED event

Signed-off-by: Andrea Cervesato <andrea.cervesato@suse.de>
---
 runtest/watchqueue                     |  1 +
 testcases/kernel/watchqueue/.gitignore |  1 +
 testcases/kernel/watchqueue/wqueue03.c | 43 ++++++++++++++++++++++++++
 3 files changed, 45 insertions(+)
 create mode 100644 testcases/kernel/watchqueue/wqueue03.c

diff --git a/runtest/watchqueue b/runtest/watchqueue
index 0d442ff01..0606db1e0 100644
--- a/runtest/watchqueue
+++ b/runtest/watchqueue
@@ -1,2 +1,3 @@
 wqueue01 wqueue01
 wqueue02 wqueue02
+wqueue03 wqueue03
diff --git a/testcases/kernel/watchqueue/.gitignore b/testcases/kernel/watchqueue/.gitignore
index 4f8695201..36a7473d8 100644
--- a/testcases/kernel/watchqueue/.gitignore
+++ b/testcases/kernel/watchqueue/.gitignore
@@ -1,2 +1,3 @@
 wqueue01
 wqueue02
+wqueue03
diff --git a/testcases/kernel/watchqueue/wqueue03.c b/testcases/kernel/watchqueue/wqueue03.c
new file mode 100644
index 000000000..e6e4c2091
--- /dev/null
+++ b/testcases/kernel/watchqueue/wqueue03.c
@@ -0,0 +1,43 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 2021 SUSE LLC Andrea Cervesato <andrea.cervesato@suse.com>
+ */
+
+/*\
+ * [Description]
+ *
+ * Test if keyctl revoke is correctly recognized by watch queue.
+ */
+
+#define _GNU_SOURCE
+
+#include "tst_test.h"
+#include "lapi/keyctl.h"
+#include "common.h"
+
+static void saw_key_revoked(struct watch_notification *n, size_t len,
+							unsigned int wtype)
+{
+	if (wqueue_key_event(n, len, wtype, NOTIFY_KEY_REVOKED))
+		tst_res(TPASS, "keyctl revoke has been recognized");
+	else
+		tst_res(TFAIL, "keyctl revoke has not been recognized");
+}
+
+static void run(void)
+{
+	int fd;
+	key_serial_t key;
+
+	fd = wqueue_watch(256, &wqueue_filter);
+	key = wqueue_add_key(fd);
+
+	keyctl(KEYCTL_REVOKE, key);
+	wqueue_consumer(fd, saw_key_revoked);
+
+	SAFE_CLOSE(fd);
+}
+
+static struct tst_test test = {
+	.test_all = run,
+};
-- 
2.34.1