From 1c3fb04fb9c8d31a627ce0ad1b6ee4782e4ee610 Mon Sep 17 00:00:00 2001 From: Jasper Lievisse Adriaanse Date: Sun, 29 Apr 2012 16:59:39 +0200 Subject: [PATCH] Implement basic fetching of cpu temperature on OpenBSD. --- include/i3status.h | 9 ++++++++ src/print_cpu_temperature.c | 46 ++++++++++++++++++++++++++++++++++++- 2 files changed, 54 insertions(+), 1 deletion(-) diff --git a/include/i3status.h b/include/i3status.h index ad54a14..a6d5fc6 100644 --- a/include/i3status.h +++ b/include/i3status.h @@ -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__) 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 +#include +#include +#include +#include +#include +#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: -- 2.39.5