22 lines
391 B
V
22 lines
391 B
V
module runtime
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import os
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[typedef]
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struct C.SYSTEM_INFO {
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dwNumberOfProcessors u32
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}
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fn C.GetSystemInfo(&C.SYSTEM_INFO)
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// nr_cpus returns the number of virtual CPU cores found on the system.
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pub fn nr_cpus() int {
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sinfo := C.SYSTEM_INFO{}
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C.GetSystemInfo(&sinfo)
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mut nr := int(sinfo.dwNumberOfProcessors)
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if nr == 0 {
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nr = os.getenv('NUMBER_OF_PROCESSORS').int()
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}
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return nr
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}
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