[PATCH 28/31] selftests: ntsync: Add some tests for wakeup signaling via alerts.

Expand the alert tests to cover alerting a thread mid-wait, to test that the relevant scheduling logic works correctly. Signed-off-by: Elizabeth Figura <zfigura(a)codeweavers.com> --- .../testing/selftests/drivers/ntsync/ntsync.c | 62 +++++++++++++++++++ 1 file changed, 62 insertions(+) diff --git a/tools/testing/selftests/drivers/ntsync/ntsync.c b/tools/testing/selftests/drivers/ntsync/ntsync.c index 6c13b1f25d38..40cfdd356ef4 100644 --- a/tools/testing/selftests/drivers/ntsync/ntsync.c +++ b/tools/testing/selftests/drivers/ntsync/ntsync.c @@ -1113,9 +1113,12 @@ TEST(wake_all) TEST(alert_any) { struct ntsync_event_args event_args = {0}; + struct ntsync_wait_args wait_args = {0}; struct ntsync_sem_args sem_args = {0}; __u32 index, count, signaled; + struct wait_args thread_args; int objs[2], fd, ret; + pthread_t thread; fd = open("/dev/ntsync", O_CLOEXEC | O_RDONLY); ASSERT_LE(0, fd); @@ -1163,6 +1166,34 @@ TEST(alert_any) EXPECT_EQ(0, ret); EXPECT_EQ(2, index); + /* test wakeup via alert */ + + ret = ioctl(event_args.event, NTSYNC_IOC_EVENT_RESET, &signaled); + EXPECT_EQ(0, ret); + + wait_args.timeout = get_abs_timeout(1000); + wait_args.objs = (uintptr_t)objs; + wait_args.count = 2; + wait_args.owner = 123; + wait_args.index = 0xdeadbeef; + wait_args.alert = event_args.event; + thread_args.fd = fd; + thread_args.args = &wait_args; + thread_args.request = NTSYNC_IOC_WAIT_ANY; + 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(event_args.event, NTSYNC_IOC_EVENT_SET, &signaled); + EXPECT_EQ(0, ret); + + ret = wait_for_thread(thread, 100); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, thread_args.ret); + EXPECT_EQ(2, wait_args.index); + close(event_args.event); /* test with an auto-reset event */ @@ -1199,9 +1230,12 @@ TEST(alert_any) TEST(alert_all) { struct ntsync_event_args event_args = {0}; + struct ntsync_wait_args wait_args = {0}; struct ntsync_sem_args sem_args = {0}; + struct wait_args thread_args; __u32 index, count, signaled; int objs[2], fd, ret; + pthread_t thread; fd = open("/dev/ntsync", O_CLOEXEC | O_RDONLY); ASSERT_LE(0, fd); @@ -1235,6 +1269,34 @@ TEST(alert_all) EXPECT_EQ(0, ret); EXPECT_EQ(2, index); + /* test wakeup via alert */ + + ret = ioctl(event_args.event, NTSYNC_IOC_EVENT_RESET, &signaled); + EXPECT_EQ(0, ret); + + wait_args.timeout = get_abs_timeout(1000); + wait_args.objs = (uintptr_t)objs; + wait_args.count = 2; + wait_args.owner = 123; + wait_args.index = 0xdeadbeef; + wait_args.alert = event_args.event; + thread_args.fd = fd; + thread_args.args = &wait_args; + thread_args.request = NTSYNC_IOC_WAIT_ALL; + 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(event_args.event, NTSYNC_IOC_EVENT_SET, &signaled); + EXPECT_EQ(0, ret); + + ret = wait_for_thread(thread, 100); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, thread_args.ret); + EXPECT_EQ(2, wait_args.index); + close(event_args.event); /* test with an auto-reset event */ -- 2.43.0