[PATCH 27/31] selftests: ntsync: Add tests for alertable waits.

Test the "alert" functionality of NTSYNC_IOC_WAIT_ALL and NTSYNC_IOC_WAIT_ANY, when a wait is woken with an alert and when it is woken by an object. Signed-off-by: Elizabeth Figura <zfigura(a)codeweavers.com> --- .../testing/selftests/drivers/ntsync/ntsync.c | 179 +++++++++++++++++- 1 file changed, 176 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/drivers/ntsync/ntsync.c b/tools/testing/selftests/drivers/ntsync/ntsync.c index bcf33bcf8c51..6c13b1f25d38 100644 --- a/tools/testing/selftests/drivers/ntsync/ntsync.c +++ b/tools/testing/selftests/drivers/ntsync/ntsync.c @@ -95,7 +95,7 @@ static int read_event_state(int event, __u32 *signaled, __u32 *manual) }) static int wait_objs(int fd, unsigned long request, __u32 count, - const int *objs, __u32 owner, __u32 *index) + const int *objs, __u32 owner, int alert, __u32 *index) { struct ntsync_wait_args args = {0}; struct timespec timeout; @@ -108,6 +108,7 @@ static int wait_objs(int fd, unsigned long request, __u32 count, args.objs = (uintptr_t)objs; args.owner = owner; args.index = 0xdeadbeef; + args.alert = alert; ret = ioctl(fd, request, &args); *index = args.index; return ret; @@ -115,12 +116,26 @@ static int wait_objs(int fd, unsigned long request, __u32 count, static int wait_any(int fd, __u32 count, const int *objs, __u32 owner, __u32 *index) { - return wait_objs(fd, NTSYNC_IOC_WAIT_ANY, count, objs, owner, index); + return wait_objs(fd, NTSYNC_IOC_WAIT_ANY, count, objs, owner, 0, index); } static int wait_all(int fd, __u32 count, const int *objs, __u32 owner, __u32 *index) { - return wait_objs(fd, NTSYNC_IOC_WAIT_ALL, count, objs, owner, index); + return wait_objs(fd, NTSYNC_IOC_WAIT_ALL, count, objs, owner, 0, index); +} + +static int wait_any_alert(int fd, __u32 count, const int *objs, + __u32 owner, int alert, __u32 *index) +{ + return wait_objs(fd, NTSYNC_IOC_WAIT_ANY, + count, objs, owner, alert, index); +} + +static int wait_all_alert(int fd, __u32 count, const int *objs, + __u32 owner, int alert, __u32 *index) +{ + return wait_objs(fd, NTSYNC_IOC_WAIT_ALL, + count, objs, owner, alert, index); } TEST(semaphore_state) @@ -1095,4 +1110,162 @@ TEST(wake_all) close(fd); } +TEST(alert_any) +{ + struct ntsync_event_args event_args = {0}; + struct ntsync_sem_args sem_args = {0}; + __u32 index, count, signaled; + int objs[2], fd, ret; + + fd = open("/dev/ntsync", O_CLOEXEC | O_RDONLY); + ASSERT_LE(0, fd); + + sem_args.count = 0; + sem_args.max = 2; + sem_args.sem = 0xdeadbeef; + ret = ioctl(fd, NTSYNC_IOC_CREATE_SEM, &sem_args); + EXPECT_EQ(0, ret); + EXPECT_NE(0xdeadbeef, sem_args.sem); + objs[0] = sem_args.sem; + + sem_args.count = 1; + sem_args.max = 2; + sem_args.sem = 0xdeadbeef; + ret = ioctl(fd, NTSYNC_IOC_CREATE_SEM, &sem_args); + EXPECT_EQ(0, ret); + EXPECT_NE(0xdeadbeef, sem_args.sem); + objs[1] = sem_args.sem; + + event_args.manual = true; + event_args.signaled = true; + ret = ioctl(fd, NTSYNC_IOC_CREATE_EVENT, &event_args); + EXPECT_EQ(0, ret); + + ret = wait_any_alert(fd, 0, NULL, 123, event_args.event, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, index); + + ret = ioctl(event_args.event, NTSYNC_IOC_EVENT_RESET, &signaled); + EXPECT_EQ(0, ret); + + ret = wait_any_alert(fd, 0, NULL, 123, event_args.event, &index); + EXPECT_EQ(-1, ret); + EXPECT_EQ(ETIMEDOUT, errno); + + ret = ioctl(event_args.event, NTSYNC_IOC_EVENT_SET, &signaled); + EXPECT_EQ(0, ret); + + ret = wait_any_alert(fd, 2, objs, 123, event_args.event, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(1, index); + + ret = wait_any_alert(fd, 2, objs, 123, event_args.event, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(2, index); + + close(event_args.event); + + /* test with an auto-reset event */ + + event_args.manual = false; + event_args.signaled = true; + ret = ioctl(fd, NTSYNC_IOC_CREATE_EVENT, &event_args); + EXPECT_EQ(0, ret); + + count = 1; + ret = post_sem(objs[0], &count); + EXPECT_EQ(0, ret); + + ret = wait_any_alert(fd, 2, objs, 123, event_args.event, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, index); + + ret = wait_any_alert(fd, 2, objs, 123, event_args.event, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(2, index); + + ret = wait_any_alert(fd, 2, objs, 123, event_args.event, &index); + EXPECT_EQ(-1, ret); + EXPECT_EQ(ETIMEDOUT, errno); + + close(event_args.event); + + close(objs[0]); + close(objs[1]); + + close(fd); +} + +TEST(alert_all) +{ + struct ntsync_event_args event_args = {0}; + struct ntsync_sem_args sem_args = {0}; + __u32 index, count, signaled; + int objs[2], fd, ret; + + fd = open("/dev/ntsync", O_CLOEXEC | O_RDONLY); + ASSERT_LE(0, fd); + + sem_args.count = 2; + sem_args.max = 2; + sem_args.sem = 0xdeadbeef; + ret = ioctl(fd, NTSYNC_IOC_CREATE_SEM, &sem_args); + EXPECT_EQ(0, ret); + EXPECT_NE(0xdeadbeef, sem_args.sem); + objs[0] = sem_args.sem; + + sem_args.count = 1; + sem_args.max = 2; + sem_args.sem = 0xdeadbeef; + ret = ioctl(fd, NTSYNC_IOC_CREATE_SEM, &sem_args); + EXPECT_EQ(0, ret); + EXPECT_NE(0xdeadbeef, sem_args.sem); + objs[1] = sem_args.sem; + + event_args.manual = true; + event_args.signaled = true; + ret = ioctl(fd, NTSYNC_IOC_CREATE_EVENT, &event_args); + EXPECT_EQ(0, ret); + + ret = wait_all_alert(fd, 2, objs, 123, event_args.event, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, index); + + ret = wait_all_alert(fd, 2, objs, 123, event_args.event, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(2, index); + + close(event_args.event); + + /* test with an auto-reset event */ + + event_args.manual = false; + event_args.signaled = true; + ret = ioctl(fd, NTSYNC_IOC_CREATE_EVENT, &event_args); + EXPECT_EQ(0, ret); + + count = 2; + ret = post_sem(objs[1], &count); + EXPECT_EQ(0, ret); + + ret = wait_all_alert(fd, 2, objs, 123, event_args.event, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, index); + + ret = wait_all_alert(fd, 2, objs, 123, event_args.event, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(2, index); + + ret = wait_all_alert(fd, 2, objs, 123, event_args.event, &index); + EXPECT_EQ(-1, ret); + EXPECT_EQ(ETIMEDOUT, errno); + + close(event_args.event); + + close(objs[0]); + close(objs[1]); + + close(fd); +} + TEST_HARNESS_MAIN -- 2.43.0