tools/gpio/gpio-watch.c

1 // SPDX-License-Identifier: GPL-2.0-only
3  * gpio-watch - monitor unrequested lines for property changes using the
23 int main(int argc, char **argv)  in main()
25 	struct gpio_v2_line_info_changed chg;  in main()  local
28 	int fd, i, j, ret;  in main()
41 	for (i = 0, j = 2; i < argc - 2; i++, j++) {  in main()
64 			memset(&chg, 0, sizeof(chg));  in main()
65 			rd = read(pfd.fd, &chg, sizeof(chg));  in main()
66 			if (rd < 0 || rd != sizeof(chg)) {  in main()
67 				if (rd != sizeof(chg))  in main()
74 			switch (chg.event_type) {  in main()
91 			       chg.info.offset, event, (uint64_t)chg.timestamp_ns);  in main()