6 #include <yajl/yajl_gen.h>
7 #include <yajl/yajl_version.h>
11 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
13 #include <sys/types.h>
14 #include <sys/sysctl.h>
16 #define TZ_KELVTOC(x) (((x) - TZ_ZEROC) / 10), abs(((x) - TZ_ZEROC) % 10)
19 #if defined(__OpenBSD__)
20 #include <sys/param.h>
21 #include <sys/types.h>
22 #include <sys/sysctl.h>
23 #include <sys/sensors.h>
28 static char *thermal_zone;
31 * Reads the CPU temperature from /sys/class/thermal/thermal_zone0/temp and
32 * returns the temperature in degree celcius.
35 void print_cpu_temperature_info(yajl_gen json_gen, char *buffer, int zone, const char *path, const char *format) {
38 char *outwalk = buffer;
42 asprintf(&thermal_zone, THERMAL_ZONE, zone);
44 asprintf(&thermal_zone, path, zone);
49 for (walk = format; *walk != '\0'; walk++) {
55 if (BEGINS_WITH(walk+1, "degrees")) {
58 if (!slurp(path, buf, sizeof(buf)))
60 temp = strtol(buf, NULL, 10);
61 if (temp == LONG_MIN || temp == LONG_MAX || temp <= 0)
64 outwalk += sprintf(outwalk, "%ld", (temp/1000));
65 #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
67 size_t sysctl_size = sizeof(sysctl_rslt);
68 if (sysctlbyname(path, &sysctl_rslt, &sysctl_size, NULL, 0))
71 outwalk += sprintf(outwalk, "%d.%d", TZ_KELVTOC(sysctl_rslt));
72 #elif defined(__OpenBSD__)
73 struct sensordev sensordev;
76 int dev, numt, mib[5] = { CTL_HW, HW_SENSORS, 0, 0, 0 };
78 sdlen = sizeof(sensordev);
79 slen = sizeof(sensor);
81 for (dev = 0; ; dev++) {
83 if (sysctl(mib, 3, &sensordev, &sdlen, NULL, 0) == -1) {
91 * 'path' is actually the node within the full path (eg, cpu0).
92 * XXX: Extend the API to allow a string instead of just an int for path, this would
93 * allow us to have a path of 'acpitz0' for example.
95 if (strncmp(sensordev.xname, path, strlen(path)) == 0) {
97 for (numt = 0; numt < sensordev.maxnumt[SENSOR_TEMP]; numt++) {
99 if (sysctl(mib, 5, &sensor, &slen, NULL, 0) == -1) {
104 outwalk += sprintf(outwalk, "%.2f", (sensor.value - 273150000) / 1000000.0 );
109 walk += strlen("degrees");
112 OUTPUT_FULL_TEXT(buffer);
116 OUTPUT_FULL_TEXT("cant read temp");
117 (void)fputs("i3status: Cannot read temperature. Verify that you have a thermal zone in /sys/class/thermal or disable the cpu_temperature module in your i3status config.\n", stderr);