diff options
| author | Jasper Lievisse Adriaanse <jasper@humppa.nl> | 2012-04-29 16:59:39 +0200 |
|---|---|---|
| committer | Michael Stapelberg <michael@stapelberg.de> | 2012-04-30 13:00:46 +0200 |
| commit | 1c3fb04fb9c8d31a627ce0ad1b6ee4782e4ee610 (patch) | |
| tree | 3304f29a28dbac26ea3529460b3a45433e1b79ca /src/print_cpu_temperature.c | |
| parent | a6cd2077419b28db905315ac0abe5705315d52c0 (diff) | |
Implement basic fetching of cpu temperature on OpenBSD.
Diffstat (limited to 'src/print_cpu_temperature.c')
| -rw-r--r-- | src/print_cpu_temperature.c | 46 |
1 files changed, 45 insertions, 1 deletions
diff --git a/src/print_cpu_temperature.c b/src/print_cpu_temperature.c index 25b45f6..41c3c9c 100644 --- a/src/print_cpu_temperature.c +++ b/src/print_cpu_temperature.c @@ -16,6 +16,15 @@ #define TZ_KELVTOC(x) (((x) - TZ_ZEROC) / 10), abs(((x) - TZ_ZEROC) % 10) #endif +#if defined(__OpenBSD__) +#include <sys/param.h> +#include <sys/types.h> +#include <sys/sysctl.h> +#include <sys/sensors.h> +#include <errno.h> +#include <err.h> +#endif + static char *thermal_zone; /* @@ -59,11 +68,46 @@ void print_cpu_temperature_info(yajl_gen json_gen, char *buffer, int zone, const goto error; outwalk += sprintf(outwalk, "%d.%d", TZ_KELVTOC(sysctl_rslt)); +#elif defined(__OpenBSD__) + struct sensordev sensordev; + struct sensor sensor; + size_t sdlen, slen; + int dev, numt, mib[5] = { CTL_HW, HW_SENSORS, 0, 0, 0 }; + + sdlen = sizeof(sensordev); + slen = sizeof(sensor); + + for (dev = 0; ; dev++) { + mib[2] = dev; + if (sysctl(mib, 3, &sensordev, &sdlen, NULL, 0) == -1) { + if (errno == ENXIO) + continue; + if (errno == ENOENT) + break; + goto error; + } + /* + * 'path' is actually the node within the full path (eg, cpu0). + * XXX: Extend the API to allow a string instead of just an int for path, this would + * allow us to have a path of 'acpitz0' for example. + */ + if (strncmp(sensordev.xname, path, strlen(path)) == 0) { + mib[3] = SENSOR_TEMP; + for (numt = 0; numt < sensordev.maxnumt[SENSOR_TEMP]; numt++) { + mib[4] = numt; + if (sysctl(mib, 5, &sensor, &slen, NULL, 0) == -1) { + if (errno != ENOENT) + warn("sysctl"); + continue; + } + outwalk += sprintf(outwalk, "%.2f", (sensor.value - 273150000) / 1000000.0 ); + } + } + } #endif walk += strlen("degrees"); } } - OUTPUT_FULL_TEXT(buffer); return; error: |