20 lines
436 B
Go
20 lines
436 B
Go
//go:build linux
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package sysinfo
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import "golang.org/x/sys/unix"
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// numCPU queries the system for the count of threads available
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// for use to this process.
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//
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// Returns 0 on errors. Use |runtime.NumCPU| in that case.
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func numCPU() int {
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// Gets the affinity mask for a process: The very one invoking this function.
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var mask unix.CPUSet
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err := unix.SchedGetaffinity(0, &mask)
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if err != nil {
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return 0
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}
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return mask.Count()
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}
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