Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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: Elizabeth Figura <zfigura@codeweavers.com>
Link: https://lore.kernel.org/r/20241213193511.457338-25-zfigura@codeweavers.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
authored by
Elizabeth Figura
and committed by
Greg Kroah-Hartman
a2e5a8ce
b4e4dd5d
+141
-4
+141
-4
tools/testing/selftests/drivers/ntsync/ntsync.c
+141
-4
tools/testing/selftests/drivers/ntsync/ntsync.c
···
598
598
599
599
TEST(test_wait_all)
600
600
{
601
+
struct ntsync_event_args event_args = {0};
601
602
struct ntsync_mutex_args mutex_args = {0};
602
603
struct ntsync_sem_args sem_args = {0};
603
604
__u32 owner, index, count;
···
664
663
665
664
close(objs[1]);
666
665
666
+
event_args.manual = true;
667
+
event_args.signaled = true;
668
+
objs[1] = ioctl(fd, NTSYNC_IOC_CREATE_EVENT, &event_args);
669
+
EXPECT_LE(0, objs[1]);
670
+
671
+
ret = wait_all(fd, 2, objs, 123, &index);
672
+
EXPECT_EQ(0, ret);
673
+
EXPECT_EQ(0, index);
674
+
check_sem_state(objs[0], 0, 3);
675
+
check_event_state(objs[1], 1, 1);
676
+
677
+
close(objs[1]);
678
+
667
679
/* test waiting on the same object twice */
668
680
objs[1] = objs[0];
669
681
ret = wait_all(fd, 2, objs, 123, &index);
···
730
716
731
717
TEST(wake_any)
732
718
{
719
+
struct ntsync_event_args event_args = {0};
733
720
struct ntsync_mutex_args mutex_args = {0};
734
721
struct ntsync_wait_args wait_args = {0};
735
722
struct ntsync_sem_args sem_args = {0};
736
723
struct wait_args thread_args;
724
+
__u32 count, index, signaled;
737
725
int objs[2], fd, ret;
738
-
__u32 count, index;
739
726
pthread_t thread;
740
727
741
728
fd = open("/dev/ntsync", O_CLOEXEC | O_RDONLY);
···
811
796
EXPECT_EQ(0, thread_args.ret);
812
797
EXPECT_EQ(1, wait_args.index);
813
798
799
+
close(objs[1]);
800
+
801
+
/* test waking events */
802
+
803
+
event_args.manual = false;
804
+
event_args.signaled = false;
805
+
objs[1] = ioctl(fd, NTSYNC_IOC_CREATE_EVENT, &event_args);
806
+
EXPECT_LE(0, objs[1]);
807
+
808
+
wait_args.timeout = get_abs_timeout(1000);
809
+
ret = pthread_create(&thread, NULL, wait_thread, &thread_args);
810
+
EXPECT_EQ(0, ret);
811
+
812
+
ret = wait_for_thread(thread, 100);
813
+
EXPECT_EQ(ETIMEDOUT, ret);
814
+
815
+
ret = ioctl(objs[1], NTSYNC_IOC_EVENT_SET, &signaled);
816
+
EXPECT_EQ(0, ret);
817
+
EXPECT_EQ(0, signaled);
818
+
check_event_state(objs[1], 0, 0);
819
+
820
+
ret = wait_for_thread(thread, 100);
821
+
EXPECT_EQ(0, ret);
822
+
EXPECT_EQ(0, thread_args.ret);
823
+
EXPECT_EQ(1, wait_args.index);
824
+
825
+
wait_args.timeout = get_abs_timeout(1000);
826
+
ret = pthread_create(&thread, NULL, wait_thread, &thread_args);
827
+
EXPECT_EQ(0, ret);
828
+
829
+
ret = wait_for_thread(thread, 100);
830
+
EXPECT_EQ(ETIMEDOUT, ret);
831
+
832
+
ret = ioctl(objs[1], NTSYNC_IOC_EVENT_PULSE, &signaled);
833
+
EXPECT_EQ(0, ret);
834
+
EXPECT_EQ(0, signaled);
835
+
check_event_state(objs[1], 0, 0);
836
+
837
+
ret = wait_for_thread(thread, 100);
838
+
EXPECT_EQ(0, ret);
839
+
EXPECT_EQ(0, thread_args.ret);
840
+
EXPECT_EQ(1, wait_args.index);
841
+
842
+
close(objs[1]);
843
+
844
+
event_args.manual = true;
845
+
event_args.signaled = false;
846
+
objs[1] = ioctl(fd, NTSYNC_IOC_CREATE_EVENT, &event_args);
847
+
EXPECT_LE(0, objs[1]);
848
+
849
+
wait_args.timeout = get_abs_timeout(1000);
850
+
ret = pthread_create(&thread, NULL, wait_thread, &thread_args);
851
+
EXPECT_EQ(0, ret);
852
+
853
+
ret = wait_for_thread(thread, 100);
854
+
EXPECT_EQ(ETIMEDOUT, ret);
855
+
856
+
ret = ioctl(objs[1], NTSYNC_IOC_EVENT_SET, &signaled);
857
+
EXPECT_EQ(0, ret);
858
+
EXPECT_EQ(0, signaled);
859
+
check_event_state(objs[1], 1, 1);
860
+
861
+
ret = wait_for_thread(thread, 100);
862
+
EXPECT_EQ(0, ret);
863
+
EXPECT_EQ(0, thread_args.ret);
864
+
EXPECT_EQ(1, wait_args.index);
865
+
866
+
ret = ioctl(objs[1], NTSYNC_IOC_EVENT_RESET, &signaled);
867
+
EXPECT_EQ(0, ret);
868
+
EXPECT_EQ(1, signaled);
869
+
870
+
wait_args.timeout = get_abs_timeout(1000);
871
+
ret = pthread_create(&thread, NULL, wait_thread, &thread_args);
872
+
EXPECT_EQ(0, ret);
873
+
874
+
ret = wait_for_thread(thread, 100);
875
+
EXPECT_EQ(ETIMEDOUT, ret);
876
+
877
+
ret = ioctl(objs[1], NTSYNC_IOC_EVENT_PULSE, &signaled);
878
+
EXPECT_EQ(0, ret);
879
+
EXPECT_EQ(0, signaled);
880
+
check_event_state(objs[1], 0, 1);
881
+
882
+
ret = wait_for_thread(thread, 100);
883
+
EXPECT_EQ(0, ret);
884
+
EXPECT_EQ(0, thread_args.ret);
885
+
EXPECT_EQ(1, wait_args.index);
886
+
814
887
/* delete an object while it's being waited on */
815
888
816
889
wait_args.timeout = get_abs_timeout(200);
···
922
819
923
820
TEST(wake_all)
924
821
{
822
+
struct ntsync_event_args manual_event_args = {0};
823
+
struct ntsync_event_args auto_event_args = {0};
925
824
struct ntsync_mutex_args mutex_args = {0};
926
825
struct ntsync_wait_args wait_args = {0};
927
826
struct ntsync_sem_args sem_args = {0};
928
827
struct wait_args thread_args;
929
-
int objs[2], fd, ret;
930
-
__u32 count, index;
828
+
__u32 count, index, signaled;
829
+
int objs[4], fd, ret;
931
830
pthread_t thread;
932
831
933
832
fd = open("/dev/ntsync", O_CLOEXEC | O_RDONLY);
···
945
840
objs[1] = ioctl(fd, NTSYNC_IOC_CREATE_MUTEX, &mutex_args);
946
841
EXPECT_LE(0, objs[1]);
947
842
843
+
manual_event_args.manual = true;
844
+
manual_event_args.signaled = true;
845
+
objs[2] = ioctl(fd, NTSYNC_IOC_CREATE_EVENT, &manual_event_args);
846
+
EXPECT_LE(0, objs[2]);
847
+
848
+
auto_event_args.manual = false;
849
+
auto_event_args.signaled = true;
850
+
objs[3] = ioctl(fd, NTSYNC_IOC_CREATE_EVENT, &auto_event_args);
851
+
EXPECT_EQ(0, objs[3]);
852
+
948
853
wait_args.timeout = get_abs_timeout(1000);
949
854
wait_args.objs = (uintptr_t)objs;
950
-
wait_args.count = 2;
855
+
wait_args.count = 4;
951
856
wait_args.owner = 456;
952
857
thread_args.fd = fd;
953
858
thread_args.args = &wait_args;
···
991
876
992
877
check_mutex_state(objs[1], 0, 0);
993
878
879
+
ret = ioctl(objs[2], NTSYNC_IOC_EVENT_RESET, &signaled);
880
+
EXPECT_EQ(0, ret);
881
+
EXPECT_EQ(1, signaled);
882
+
994
883
count = 2;
995
884
ret = release_sem(objs[0], &count);
996
885
EXPECT_EQ(0, ret);
997
886
EXPECT_EQ(0, count);
887
+
check_sem_state(objs[0], 2, 3);
888
+
889
+
ret = ioctl(objs[3], NTSYNC_IOC_EVENT_RESET, &signaled);
890
+
EXPECT_EQ(0, ret);
891
+
EXPECT_EQ(1, signaled);
892
+
893
+
ret = ioctl(objs[2], NTSYNC_IOC_EVENT_SET, &signaled);
894
+
EXPECT_EQ(0, ret);
895
+
EXPECT_EQ(0, signaled);
896
+
897
+
ret = ioctl(objs[3], NTSYNC_IOC_EVENT_SET, &signaled);
898
+
EXPECT_EQ(0, ret);
899
+
EXPECT_EQ(0, signaled);
900
+
998
901
check_sem_state(objs[0], 1, 3);
999
902
check_mutex_state(objs[1], 1, 456);
903
+
check_event_state(objs[2], 1, 1);
904
+
check_event_state(objs[3], 0, 0);
1000
905
1001
906
ret = wait_for_thread(thread, 100);
1002
907
EXPECT_EQ(0, ret);
···
1034
899
1035
900
close(objs[0]);
1036
901
close(objs[1]);
902
+
close(objs[2]);
903
+
close(objs[3]);
1037
904
1038
905
ret = wait_for_thread(thread, 200);
1039
906
EXPECT_EQ(0, ret);