90 			   struct fail_nth_state *nth_state)  in fail_nth_first()  argument
95 	nth_state->proc_fd = open(buf, O_RDWR);  in fail_nth_first()
96 	ASSERT_NE(-1, nth_state->proc_fd);  in fail_nth_first()
100 			  struct fail_nth_state *nth_state,  in fail_nth_next()  argument
113 	ASSERT_GT(400, nth_state->iteration);  in fail_nth_next()
114 	if (nth_state->iteration != 0) {  in fail_nth_next()
123 		res = pread(nth_state->proc_fd, buf, sizeof(buf), 0);  in fail_nth_next()
130 		res2 = pwrite(nth_state->proc_fd, disable_nth,  in fail_nth_next()
133 			res2 = pwrite(nth_state->proc_fd, disable_nth,  in fail_nth_next()
150 	nth_state->iteration++;  in fail_nth_next()
160 		       struct fail_nth_state *nth_state)  in __fail_nth_enable()  argument
165 	if (!nth_state->iteration)  in __fail_nth_enable()
168 	len = snprintf(buf, sizeof(buf), "%u", nth_state->iteration);  in __fail_nth_enable()
169 	ASSERT_EQ(len, pwrite(nth_state->proc_fd, buf, len, 0));  in __fail_nth_enable()
181 		struct fail_nth_state nth_state = {};                               \
187 		fail_nth_first(_metadata, &nth_state);                              \
189 					     &nth_state));                          \
190 		while (fail_nth_next(_metadata, &nth_state, test_result)) {         \
194 						      variant, &nth_state);         \