26 lines
419 B
Go
26 lines
419 B
Go
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package main
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import (
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"errors"
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"os/exec"
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"strconv"
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"strings"
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)
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func memorySize() (uint64, error) {
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cmd := exec.Command("sysctl", "hw.memsize")
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out, err := cmd.Output()
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if err != nil {
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return 0, err
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}
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fs := strings.Fields(string(out))
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if len(fs) != 2 {
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return 0, errors.New("sysctl parse error")
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}
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bytes, err := strconv.ParseUint(fs[1], 10, 64)
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if err != nil {
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return 0, err
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}
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return bytes, nil
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}
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