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[v0.98][ARM] Add simple topology detection using sysctlbyname in macOS

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Dr-Noob
2021-08-02 12:31:19 +01:00
parent 4998cf3c82
commit e350f1759f
4 changed files with 37 additions and 4 deletions
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25
src/arm/sysctl.c Normal file
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#include <sys/types.h>
#include <sys/sysctl.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include "../common/global.h"
#include "../common/cpu.h"
struct topology* get_topology_from_sysctl() {
struct topology* t = malloc(sizeof(struct topology));
size_t dummy;
if(sysctlbyname("hw.physicalcpu_max", &t->total_cores, &dummy, NULL, 0) != 0) {
printWarn("sysctlbyname(\"hw.physicalcpu_max\") failed: %s\n", strerror(errno));
t->total_cores = 1;
}
else if(t->total_cores <= 0) {
printWarn("sysctlbyname(\"hw.physicalcpu_max\") returned invalid value: %d\n", t->total_cores);
t->total_cores = 1;
}
return t;
}