41 lines
1.1 KiB
Go
41 lines
1.1 KiB
Go
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// Copyright (C) 2014 The Syncthing Authors.
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//
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// This program is free software: you can redistribute it and/or modify it
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// under the terms of the GNU General Public License as published by the Free
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// Software Foundation, either version 3 of the License, or (at your option)
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// any later version.
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//
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// This program is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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// more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with this program. If not, see <http://www.gnu.org/licenses/>.
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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() (int64, error) {
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cmd := exec.Command("/sbin/sysctl", "hw.physmem64")
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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) != 3 {
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return 0, errors.New("sysctl parse error")
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}
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bytes, err := strconv.ParseInt(fs[2], 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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