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temp: Port to OpenBSD

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In OpenBSD temperature gets fetched using sysctl now.
This commit is contained in:
Aaron Marcher 2018-04-29 18:35:41 +02:00
parent b6d2b652d0
commit 489c6f87d1
2 changed files with 31 additions and 2 deletions
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1
README
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@ -66,4 +66,3 @@ The following functions are not portable at the moment:
- entropy
- swap_{free,perc,total,used}
- battery_{power,state}
- temp

32
components/temperature.c
View File

@ -1,9 +1,16 @@
/* See LICENSE file for copyright and license details. */
#if defined(__linux__)
#include <errno.h>
#include <stdio.h>
#include <string.h>
#if defined(__OpenBSD__)
#include <sys/sysctl.h>
#include <sys/time.h>
#include <sys/sensors.h>
#endif
#include "../util.h"
#if defined(__linux__)
const char *
temp(const char *file)
{
@ -12,4 +19,27 @@ temp(const char *file)
return (pscanf(file, "%d", &temp) == 1) ?
bprintf("%d", temp / 1000) : NULL;
}
#elif defined(__OpenBSD__)
const char *
temp(const char *null)
{
int mib[5];
size_t size;
struct sensor temp;
mib[0] = CTL_HW;
mib[1] = HW_SENSORS;
mib[2] = 0; /* cpu0 */
mib[3] = SENSOR_TEMP;
mib[4] = 0; /* temp0 */
size = sizeof(temp);
if (sysctl(mib, 5, &temp, &sz, NULL, 0) == -1) {
fprintf(stderr, "sysctl 'SENSOR_TEMP': %s\n", strerror(errno));
return NULL;
}
return bprintf("%d", (temp.value - 273150000) / 1000000); /* kelvin to celsius */
}
#endif