Commit a2e5a8ce authored by Elizabeth Figura's avatar Elizabeth Figura Committed by Greg Kroah-Hartman
Browse files

selftests: ntsync: Add some tests for wakeup signaling with events. 



Expand the contended wait tests, which previously only covered events and
semaphores, to cover events as well.

Signed-off-by: default avatarElizabeth Figura <zfigura@codeweavers.com>
Link: https://lore.kernel.org/r/20241213193511.457338-25-zfigura@codeweavers.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent b4e4dd5d

tools/testing/selftests/drivers/ntsync/ntsync.c

+141 −4
Original line number Diff line number Diff line
@@ -598,6 +598,7 @@ TEST(test_wait_any) 


TEST(test_wait_all)

{

	struct ntsync_event_args event_args = {0};

	struct ntsync_mutex_args mutex_args = {0};

	struct ntsync_sem_args sem_args = {0};

	__u32 owner, index, count;
@@ -663,6 +664,19 @@ TEST(test_wait_all) 


	close(objs[1]);



	event_args.manual = true;

	event_args.signaled = true;

	objs[1] = ioctl(fd, NTSYNC_IOC_CREATE_EVENT, &event_args);

	EXPECT_LE(0, objs[1]);



	ret = wait_all(fd, 2, objs, 123, &index);

	EXPECT_EQ(0, ret);

	EXPECT_EQ(0, index);

	check_sem_state(objs[0], 0, 3);

	check_event_state(objs[1], 1, 1);



	close(objs[1]);



	/* test waiting on the same object twice */

	objs[1] = objs[0];

	ret = wait_all(fd, 2, objs, 123, &index);
@@ -716,12 +730,13 @@ static int wait_for_thread(pthread_t thread, unsigned int ms) 


TEST(wake_any)

{

	struct ntsync_event_args event_args = {0};

	struct ntsync_mutex_args mutex_args = {0};

	struct ntsync_wait_args wait_args = {0};

	struct ntsync_sem_args sem_args = {0};

	struct wait_args thread_args;

	__u32 count, index, signaled;

	int objs[2], fd, ret;

	__u32 count, index;

	pthread_t thread;



	fd = open("/dev/ntsync", O_CLOEXEC | O_RDONLY);
@@ -796,6 +811,94 @@ TEST(wake_any) 
	EXPECT_EQ(0, thread_args.ret);

	EXPECT_EQ(1, wait_args.index);



	close(objs[1]);



	/* test waking events */



	event_args.manual = false;

	event_args.signaled = false;

	objs[1] = ioctl(fd, NTSYNC_IOC_CREATE_EVENT, &event_args);

	EXPECT_LE(0, objs[1]);



	wait_args.timeout = get_abs_timeout(1000);

	ret = pthread_create(&thread, NULL, wait_thread, &thread_args);

	EXPECT_EQ(0, ret);



	ret = wait_for_thread(thread, 100);

	EXPECT_EQ(ETIMEDOUT, ret);



	ret = ioctl(objs[1], NTSYNC_IOC_EVENT_SET, &signaled);

	EXPECT_EQ(0, ret);

	EXPECT_EQ(0, signaled);

	check_event_state(objs[1], 0, 0);



	ret = wait_for_thread(thread, 100);

	EXPECT_EQ(0, ret);

	EXPECT_EQ(0, thread_args.ret);

	EXPECT_EQ(1, wait_args.index);



	wait_args.timeout = get_abs_timeout(1000);

	ret = pthread_create(&thread, NULL, wait_thread, &thread_args);

	EXPECT_EQ(0, ret);



	ret = wait_for_thread(thread, 100);

	EXPECT_EQ(ETIMEDOUT, ret);



	ret = ioctl(objs[1], NTSYNC_IOC_EVENT_PULSE, &signaled);

	EXPECT_EQ(0, ret);

	EXPECT_EQ(0, signaled);

	check_event_state(objs[1], 0, 0);



	ret = wait_for_thread(thread, 100);

	EXPECT_EQ(0, ret);

	EXPECT_EQ(0, thread_args.ret);

	EXPECT_EQ(1, wait_args.index);



	close(objs[1]);



	event_args.manual = true;

	event_args.signaled = false;

	objs[1] = ioctl(fd, NTSYNC_IOC_CREATE_EVENT, &event_args);

	EXPECT_LE(0, objs[1]);



	wait_args.timeout = get_abs_timeout(1000);

	ret = pthread_create(&thread, NULL, wait_thread, &thread_args);

	EXPECT_EQ(0, ret);



	ret = wait_for_thread(thread, 100);

	EXPECT_EQ(ETIMEDOUT, ret);



	ret = ioctl(objs[1], NTSYNC_IOC_EVENT_SET, &signaled);

	EXPECT_EQ(0, ret);

	EXPECT_EQ(0, signaled);

	check_event_state(objs[1], 1, 1);



	ret = wait_for_thread(thread, 100);

	EXPECT_EQ(0, ret);

	EXPECT_EQ(0, thread_args.ret);

	EXPECT_EQ(1, wait_args.index);



	ret = ioctl(objs[1], NTSYNC_IOC_EVENT_RESET, &signaled);

	EXPECT_EQ(0, ret);

	EXPECT_EQ(1, signaled);



	wait_args.timeout = get_abs_timeout(1000);

	ret = pthread_create(&thread, NULL, wait_thread, &thread_args);

	EXPECT_EQ(0, ret);



	ret = wait_for_thread(thread, 100);

	EXPECT_EQ(ETIMEDOUT, ret);



	ret = ioctl(objs[1], NTSYNC_IOC_EVENT_PULSE, &signaled);

	EXPECT_EQ(0, ret);

	EXPECT_EQ(0, signaled);

	check_event_state(objs[1], 0, 1);



	ret = wait_for_thread(thread, 100);

	EXPECT_EQ(0, ret);

	EXPECT_EQ(0, thread_args.ret);

	EXPECT_EQ(1, wait_args.index);



	/* delete an object while it's being waited on */



	wait_args.timeout = get_abs_timeout(200);
@@ -819,12 +922,14 @@ TEST(wake_any) 


TEST(wake_all)

{

	struct ntsync_event_args manual_event_args = {0};

	struct ntsync_event_args auto_event_args = {0};

	struct ntsync_mutex_args mutex_args = {0};

	struct ntsync_wait_args wait_args = {0};

	struct ntsync_sem_args sem_args = {0};

	struct wait_args thread_args;

	int objs[2], fd, ret;

	__u32 count, index;

	__u32 count, index, signaled;

	int objs[4], fd, ret;

	pthread_t thread;



	fd = open("/dev/ntsync", O_CLOEXEC | O_RDONLY);
@@ -840,9 +945,19 @@ TEST(wake_all) 
	objs[1] = ioctl(fd, NTSYNC_IOC_CREATE_MUTEX, &mutex_args);

	EXPECT_LE(0, objs[1]);



	manual_event_args.manual = true;

	manual_event_args.signaled = true;

	objs[2] = ioctl(fd, NTSYNC_IOC_CREATE_EVENT, &manual_event_args);

	EXPECT_LE(0, objs[2]);



	auto_event_args.manual = false;

	auto_event_args.signaled = true;

	objs[3] = ioctl(fd, NTSYNC_IOC_CREATE_EVENT, &auto_event_args);

	EXPECT_EQ(0, objs[3]);



	wait_args.timeout = get_abs_timeout(1000);

	wait_args.objs = (uintptr_t)objs;

	wait_args.count = 2;

	wait_args.count = 4;

	wait_args.owner = 456;

	thread_args.fd = fd;

	thread_args.args = &wait_args;
@@ -876,12 +991,32 @@ TEST(wake_all) 


	check_mutex_state(objs[1], 0, 0);



	ret = ioctl(objs[2], NTSYNC_IOC_EVENT_RESET, &signaled);

	EXPECT_EQ(0, ret);

	EXPECT_EQ(1, signaled);



	count = 2;

	ret = release_sem(objs[0], &count);

	EXPECT_EQ(0, ret);

	EXPECT_EQ(0, count);

	check_sem_state(objs[0], 2, 3);



	ret = ioctl(objs[3], NTSYNC_IOC_EVENT_RESET, &signaled);

	EXPECT_EQ(0, ret);

	EXPECT_EQ(1, signaled);



	ret = ioctl(objs[2], NTSYNC_IOC_EVENT_SET, &signaled);

	EXPECT_EQ(0, ret);

	EXPECT_EQ(0, signaled);



	ret = ioctl(objs[3], NTSYNC_IOC_EVENT_SET, &signaled);

	EXPECT_EQ(0, ret);

	EXPECT_EQ(0, signaled);



	check_sem_state(objs[0], 1, 3);

	check_mutex_state(objs[1], 1, 456);

	check_event_state(objs[2], 1, 1);

	check_event_state(objs[3], 0, 0);



	ret = wait_for_thread(thread, 100);

	EXPECT_EQ(0, ret);
@@ -899,6 +1034,8 @@ TEST(wake_all) 


	close(objs[0]);

	close(objs[1]);

	close(objs[2]);

	close(objs[3]);



	ret = wait_for_thread(thread, 200);

	EXPECT_EQ(0, ret);