drivers/ntsync/ntsync.c

98 		     const int *objs, __u32 owner, int alert, __u32 *index)
108 	args.objs = (uintptr_t)objs;
117 static int wait_any(int fd, __u32 count, const int *objs, __u32 owner, __u32 *index)
119 	return wait_objs(fd, NTSYNC_IOC_WAIT_ANY, count, objs, owner, 0, index);
122 static int wait_all(int fd, __u32 count, const int *objs, __u32 owner, __u32 *index)
124 	return wait_objs(fd, NTSYNC_IOC_WAIT_ALL, count, objs, owner, 0, index);
127 static int wait_any_alert(int fd, __u32 count, const int *objs,
131 			 count, objs, owner, alert, index);
134 static int wait_all_alert(int fd, __u32 count, const int *objs,
138 			 count, objs, owner, alert, index);
502 	int objs[NTSYNC_MAX_WAIT_COUNT + 1], fd, ret;
515 	objs[0] = ioctl(fd, NTSYNC_IOC_CREATE_SEM, &sem_args);
516 	EXPECT_LE(0, objs[0]);
520 	objs[1] = ioctl(fd, NTSYNC_IOC_CREATE_MUTEX, &mutex_args);
521 	EXPECT_LE(0, objs[1]);
523 	ret = wait_any(fd, 2, objs, 123, &index);
526 	check_sem_state(objs[0], 1, 3);
527 	check_mutex_state(objs[1], 0, 0);
529 	ret = wait_any(fd, 2, objs, 123, &index);
532 	check_sem_state(objs[0], 0, 3);
533 	check_mutex_state(objs[1], 0, 0);
535 	ret = wait_any(fd, 2, objs, 123, &index);
538 	check_sem_state(objs[0], 0, 3);
539 	check_mutex_state(objs[1], 1, 123);
542 	ret = release_sem(objs[0], &count);
546 	ret = wait_any(fd, 2, objs, 123, &index);
549 	check_sem_state(objs[0], 0, 3);
550 	check_mutex_state(objs[1], 1, 123);
552 	ret = wait_any(fd, 2, objs, 123, &index);
555 	check_sem_state(objs[0], 0, 3);
556 	check_mutex_state(objs[1], 2, 123);
558 	ret = wait_any(fd, 2, objs, 456, &index);
563 	ret = ioctl(objs[1], NTSYNC_IOC_MUTEX_KILL, &owner);
566 	ret = wait_any(fd, 2, objs, 456, &index);
571 	ret = wait_any(fd, 2, objs, 456, &index);
575 	close(objs[1]);
580 	ret = release_sem(objs[0], &count);
584 	objs[1] = objs[0];
585 	ret = wait_any(fd, 2, objs, 456, &index);
588 	check_sem_state(objs[0], 1, 3);
595 		objs[i] = objs[0];
597 	ret = wait_any(fd, NTSYNC_MAX_WAIT_COUNT, objs, 123, &index);
601 	ret = wait_any(fd, NTSYNC_MAX_WAIT_COUNT + 1, objs, 123, &index);
605 	ret = wait_any(fd, -1, objs, 123, &index);
609 	close(objs[0]);
620 	int objs[2], fd, ret;
627 	objs[0] = ioctl(fd, NTSYNC_IOC_CREATE_SEM, &sem_args);
628 	EXPECT_LE(0, objs[0]);
632 	objs[1] = ioctl(fd, NTSYNC_IOC_CREATE_MUTEX, &mutex_args);
633 	EXPECT_LE(0, objs[1]);
635 	ret = wait_all(fd, 2, objs, 123, &index);
638 	check_sem_state(objs[0], 1, 3);
639 	check_mutex_state(objs[1], 1, 123);
641 	ret = wait_all(fd, 2, objs, 456, &index);
644 	check_sem_state(objs[0], 1, 3);
645 	check_mutex_state(objs[1], 1, 123);
647 	ret = wait_all(fd, 2, objs, 123, &index);
650 	check_sem_state(objs[0], 0, 3);
651 	check_mutex_state(objs[1], 2, 123);
653 	ret = wait_all(fd, 2, objs, 123, &index);
656 	check_sem_state(objs[0], 0, 3);
657 	check_mutex_state(objs[1], 2, 123);
660 	ret = release_sem(objs[0], &count);
664 	ret = wait_all(fd, 2, objs, 123, &index);
667 	check_sem_state(objs[0], 2, 3);
668 	check_mutex_state(objs[1], 3, 123);
671 	ret = ioctl(objs[1], NTSYNC_IOC_MUTEX_KILL, &owner);
674 	ret = wait_all(fd, 2, objs, 123, &index);
677 	check_sem_state(objs[0], 1, 3);
678 	check_mutex_state(objs[1], 1, 123);
680 	close(objs[1]);
684 	objs[1] = ioctl(fd, NTSYNC_IOC_CREATE_EVENT, &event_args);
685 	EXPECT_LE(0, objs[1]);
687 	ret = wait_all(fd, 2, objs, 123, &index);
690 	check_sem_state(objs[0], 0, 3);
691 	check_event_state(objs[1], 1, 1);
693 	close(objs[1]);
696 	objs[1] = objs[0];
697 	ret = wait_all(fd, 2, objs, 123, &index);
701 	close(objs[0]);
754 	int objs[2], fd, ret;
762 	objs[0] = ioctl(fd, NTSYNC_IOC_CREATE_SEM, &sem_args);
763 	EXPECT_LE(0, objs[0]);
767 	objs[1] = ioctl(fd, NTSYNC_IOC_CREATE_MUTEX, &mutex_args);
768 	EXPECT_LE(0, objs[1]);
773 	wait_args.objs = (uintptr_t)objs;
787 	ret = release_sem(objs[0], &count);
790 	check_sem_state(objs[0], 0, 3);
800 	ret = wait_any(fd, 1, &objs[1], 123, &index);
812 	ret = unlock_mutex(objs[1], 123, &count);
819 	ret = unlock_mutex(objs[1], 123, &count);
822 	check_mutex_state(objs[1], 1, 456);
829 	close(objs[1]);
835 	objs[1] = ioctl(fd, NTSYNC_IOC_CREATE_EVENT, &event_args);
836 	EXPECT_LE(0, objs[1]);
845 	ret = ioctl(objs[1], NTSYNC_IOC_EVENT_SET, &signaled);
848 	check_event_state(objs[1], 0, 0);
862 	ret = ioctl(objs[1], NTSYNC_IOC_EVENT_PULSE, &signaled);
865 	check_event_state(objs[1], 0, 0);
872 	close(objs[1]);
876 	objs[1] = ioctl(fd, NTSYNC_IOC_CREATE_EVENT, &event_args);
877 	EXPECT_LE(0, objs[1]);
886 	ret = ioctl(objs[1], NTSYNC_IOC_EVENT_SET, &signaled);
889 	check_event_state(objs[1], 1, 1);
896 	ret = ioctl(objs[1], NTSYNC_IOC_EVENT_RESET, &signaled);
907 	ret = ioctl(objs[1], NTSYNC_IOC_EVENT_PULSE, &signaled);
910 	check_event_state(objs[1], 0, 1);
927 	close(objs[0]);
928 	close(objs[1]);
947 	int objs[4], fd, ret;
955 	objs[0] = ioctl(fd, NTSYNC_IOC_CREATE_SEM, &sem_args);
956 	EXPECT_LE(0, objs[0]);
960 	objs[1] = ioctl(fd, NTSYNC_IOC_CREATE_MUTEX, &mutex_args);
961 	EXPECT_LE(0, objs[1]);
965 	objs[2] = ioctl(fd, NTSYNC_IOC_CREATE_EVENT, &manual_event_args);
966 	EXPECT_LE(0, objs[2]);
970 	objs[3] = ioctl(fd, NTSYNC_IOC_CREATE_EVENT, &auto_event_args);
971 	EXPECT_EQ(0, objs[3]);
974 	wait_args.objs = (uintptr_t)objs;
987 	ret = release_sem(objs[0], &count);
994 	check_sem_state(objs[0], 1, 3);
996 	ret = wait_any(fd, 1, &objs[0], 123, &index);
1000 	ret = unlock_mutex(objs[1], 123, &count);
1007 	check_mutex_state(objs[1], 0, 0);
1009 	ret = ioctl(objs[2], NTSYNC_IOC_EVENT_RESET, &signaled);
1014 	ret = release_sem(objs[0], &count);
1017 	check_sem_state(objs[0], 2, 3);
1019 	ret = ioctl(objs[3], NTSYNC_IOC_EVENT_RESET, &signaled);
1023 	ret = ioctl(objs[2], NTSYNC_IOC_EVENT_SET, &signaled);
1027 	ret = ioctl(objs[3], NTSYNC_IOC_EVENT_SET, &signaled);
1031 	check_sem_state(objs[0], 1, 3);
1032 	check_mutex_state(objs[1], 1, 456);
1033 	check_event_state(objs[2], 1, 1);
1034 	check_event_state(objs[3], 0, 0);
1050 	close(objs[0]);
1051 	close(objs[1]);
1052 	close(objs[2]);
1053 	close(objs[3]);
1070 	int objs[2], event, fd, ret;
1078 	objs[0] = ioctl(fd, NTSYNC_IOC_CREATE_SEM, &sem_args);
1079 	EXPECT_LE(0, objs[0]);
1083 	objs[1] = ioctl(fd, NTSYNC_IOC_CREATE_SEM, &sem_args);
1084 	EXPECT_LE(0, objs[1]);
1105 	ret = wait_any_alert(fd, 2, objs, 123, event, &index);
1109 	ret = wait_any_alert(fd, 2, objs, 123, event, &index);
1119 	wait_args.objs = (uintptr_t)objs;
1151 	ret = release_sem(objs[0], &count);
1154 	ret = wait_any_alert(fd, 2, objs, 123, event, &index);
1158 	ret = wait_any_alert(fd, 2, objs, 123, event, &index);
1162 	ret = wait_any_alert(fd, 2, objs, 123, event, &index);
1168 	close(objs[0]);
1169 	close(objs[1]);
1181 	int objs[2], event, fd, ret;
1189 	objs[0] = ioctl(fd, NTSYNC_IOC_CREATE_SEM, &sem_args);
1190 	EXPECT_LE(0, objs[0]);
1194 	objs[1] = ioctl(fd, NTSYNC_IOC_CREATE_SEM, &sem_args);
1195 	EXPECT_LE(0, objs[1]);
1202 	ret = wait_all_alert(fd, 2, objs, 123, event, &index);
1206 	ret = wait_all_alert(fd, 2, objs, 123, event, &index);
1216 	wait_args.objs = (uintptr_t)objs;
1248 	ret = release_sem(objs[1], &count);
1251 	ret = wait_all_alert(fd, 2, objs, 123, event, &index);
1255 	ret = wait_all_alert(fd, 2, objs, 123, event, &index);
1259 	ret = wait_all_alert(fd, 2, objs, 123, event, &index);
1265 	close(objs[0]);
1266 	close(objs[1]);
1285 	wait_args.objs = (uintptr_t)&stress_start_event;
1291 	wait_args.objs = (uintptr_t)&stress_mutex;