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Implement basic fetching of cpu temperature on OpenBSD.

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Jasper Lievisse Adriaanse 2012-04-29 16:59:39 +02:00 committed by Michael Stapelberg
parent a6cd207741
commit 1c3fb04fb9
2 changed files with 54 additions and 1 deletions
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9
include/i3status.h
View File

@ -26,6 +26,15 @@ enum { O_DZEN2, O_XMOBAR, O_I3BAR, O_NONE } output_format;
#define BATT_TIME "hw.acpi.battery.time"
#define BATT_STATE "hw.acpi.battery.state"
#elif defined(__OpenBSD__)
/*
* Due to the fact there are various ways to obtain a temperature reading, THERMAL_ZONE will need
* to be adjustable enough for those situations. As it can either be hw.sensors.cpu%d.temp0, or
* hw.sensors.acpitz%d.temp0 or even something different entirely within hw.sensors.%s.temp0.
* XXX: For now just check cpu%d.temp0. Adjust this later.
*/
#define THERMAL_ZONE "cpu%d"
#endif
#if defined(__FreeBSD_kernel__) && defined(__GLIBC__)

46
src/print_cpu_temperature.c
View File

@ -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: