206 	int ret;  in enable_disable_all_channels()  local
219 	ret = -ENOENT;  in enable_disable_all_channels()
225 			ret = write_sysfs_int(ent->d_name, scanelemdir,  in enable_disable_all_channels()
227 			if (ret < 0)  in enable_disable_all_channels()
267 	int ret;  in cleanup()  local
272 		ret = write_sysfs_string("trigger/current_trigger",  in cleanup()
274 		if (ret < 0)  in cleanup()
276 				strerror(-ret));  in cleanup()
282 		ret = write_sysfs_int("enable", buf_dir_name, 0);  in cleanup()
283 		if (ret < 0)  in cleanup()
285 				strerror(-ret));  in cleanup()
290 		ret = enable_disable_all_channels(dev_dir_name, 0);  in cleanup()
291 		if (ret)  in cleanup()
308 	int ret, i;  in register_cleanup()  local
311 		ret = sigaction(signums[i], &sa, NULL);  in register_cleanup()
312 		if (ret) {  in register_cleanup()
336 	int ret, c;  in main()  local
370 				ret = -errno;  in main()
385 				ret = -errno;  in main()
397 				ret = -errno;  in main()
414 				ret = -errno;  in main()
420 			ret = -1;  in main()
429 		ret = -1;  in main()
434 		ret = -1;  in main()
440 			ret = dev_num;  in main()
446 	ret = asprintf(&dev_dir_name, "%siio:device%d", iio_dir, dev_num);  in main()
447 	if (ret < 0)  in main()
453 			ret = -ENOMEM;  in main()
456 		ret = read_sysfs_string("name", dev_dir_name, device_name);  in main()
457 		if (ret < 0) {  in main()
467 		ret = asprintf(&trig_dev_name, "%strigger%d", iio_dir, trig_num);  in main()
468 		if (ret < 0) {  in main()
472 		ret = read_sysfs_string("name", trig_dev_name, trigger_name);  in main()
474 		if (ret < 0) {  in main()
476 			return ret;  in main()
486 			ret = asprintf(&trigger_name,  in main()
488 			if (ret < 0) {  in main()
489 				ret = -ENOMEM;  in main()
499 			ret = asprintf(&trigger_name,  in main()
501 			if (ret < 0) {  in main()
502 				ret = -ENOMEM;  in main()
511 			ret = trig_num;  in main()
522 	ret = build_channel_array(dev_dir_name, &channels, &num_channels);  in main()
523 	if (ret) {  in main()
539 		ret = enable_disable_all_channels(dev_dir_name, 1);  in main()
540 		if (ret) {  in main()
548 		ret = build_channel_array(dev_dir_name, &channels,  in main()
550 		if (ret) {  in main()
570 		ret = -ENOENT;  in main()
579 	ret = asprintf(&buf_dir_name,  in main()
581 	if (ret < 0) {  in main()
582 		ret = -ENOMEM;  in main()
592 		ret = write_sysfs_string_and_verify("trigger/current_trigger",  in main()
595 		if (ret < 0) {  in main()
603 	ret = write_sysfs_int("length", buf_dir_name, buf_len);  in main()
604 	if (ret < 0)  in main()
608 	ret = write_sysfs_int("enable", buf_dir_name, 1);  in main()
609 	if (ret < 0) {  in main()
611 			"Failed to enable buffer: %s\n", strerror(-ret));  in main()
618 		ret = -ENOMEM;  in main()
622 	ret = asprintf(&buffer_access, "/dev/iio:device%d", dev_num);  in main()
623 	if (ret < 0) {  in main()
624 		ret = -ENOMEM;  in main()
631 		ret = -errno;  in main()
643 			ret = poll(&pfd, 1, -1);  in main()
644 			if (ret < 0) {  in main()
645 				ret = -errno;  in main()
647 			} else if (ret == 0) {  in main()
688 	return ret;  in main()