tools/thermal/tmon/tmon.c

Source file repositories/reference/linux-study-clean/tools/thermal/tmon/tmon.c

File Facts

System
Linux kernel
Corpus path
tools/thermal/tmon/tmon.c
Extension
.c
Size
8625 bytes
Lines
369
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: implementation source
Status
source implementation candidate

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

switch (c) {
		case 'c':
			no_control = 0;
			strncpy(ctrl_cdev, optarg, CDEV_NAME_SIZE);
			break;
		case 'd':
			start_daemon_mode();
			printf("Run TMON in daemon mode\n");
			break;
		case 't':
			ticktime = strtod(optarg, NULL);
			if (ticktime < 1)
				ticktime = 1;
			break;
		case 'T':
			temp = strtod(optarg, NULL);
			if (temp < 0) {
				fprintf(stderr, "error: temperature must be positive\n");
				return 1;
			}
			target_temp_user = temp;
			break;
		case 'l':
			printf("Logging data to /var/tmp/tmon.log\n");
			logging = 1;
			break;
		case 'h':
			usage();
			break;
		case 'v':
			version();
			break;
		case 'g':
			debug_on = 1;
			break;
		case 'z':
			target_thermal_zone = strtod(optarg, NULL);
			break;
		default:
			break;
		}
	}
	if (pthread_mutex_init(&input_lock, NULL) != 0) {
		fprintf(stderr, "\n mutex init failed, exit\n");
		return 1;
	}
	start_syslog();
	if (signal(SIGINT, tmon_sig_handler) == SIG_ERR)
		syslog(LOG_DEBUG, "Cannot handle SIGINT\n");
	if (signal(SIGTERM, tmon_sig_handler) == SIG_ERR)
		syslog(LOG_DEBUG, "Cannot handle SIGTERM\n");

	if (probe_thermal_sysfs()) {
		pthread_mutex_destroy(&input_lock);
		closelog();
		return -1;
	}
	initialize_curses();
	setup_windows();
	signal(SIGWINCH, resize_handler);
	show_title_bar();
	show_sensors_w();
	show_cooling_device();
	update_thermal_data();
	show_data_w();
	prepare_logging();
	init_thermal_controller();

	nodelay(stdscr, TRUE);
	err = pthread_create(&event_tid, NULL, &handle_tui_events, NULL);
	if (err != 0) {
		printf("\ncan't create thread :[%s]", strerror(err));
		tmon_cleanup();
		exit(EXIT_FAILURE);
	}

	/* validate range of user selected target zone, default to the first
	 * instance if out of range
	 */
	target_tz_index = zone_instance_to_index(target_thermal_zone);
	if (target_tz_index < 0) {
		target_thermal_zone = ptdata.tzi[0].instance;
		syslog(LOG_ERR, "target zone is not found, default to %d\n",
			target_thermal_zone);
	}
	while (1) {
		sleep(ticktime);
		show_title_bar();
		show_sensors_w();
		update_thermal_data();

Annotation

Implementation Notes