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35 lines
863 B
C
35 lines
863 B
C
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#if defined(_WIN32) || defined(_WIN64)
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#include <windows.h>
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#elif defined(__linux__)
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#include <unistd.h>
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#elif defined(__APPLE__)
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#include <sys/types.h>
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#include <sys/sysctl.h>
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#else
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#error "Unsupported platform"
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#endif
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static inline int get_cpu_cores() {
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int num_cores = 0;
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// Windows
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#if defined(_WIN32) || defined(_WIN64)
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SYSTEM_INFO sysinfo;
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GetSystemInfo(&sysinfo);
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num_cores = sysinfo.dwNumberOfProcessors; // This returns logical processors
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// Further use GetLogicalProcessorInformation for physical cores...
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// Linux
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#elif defined(__linux__)
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num_cores = sysconf(_SC_NPROCESSORS_ONLN); // This returns logical processors
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// macOS
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#elif defined(__APPLE__)
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size_t size = sizeof(num_cores);
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sysctlbyname("hw.physicalcpu", &num_cores, &size, NULL, 0);
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#else
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num_cores = -1; // Unsupported platform
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#endif
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return num_cores;
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}
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