syncthing/cmd/syncthing/memsize_darwin.go

32 lines
669 B
Go

// Copyright (C) 2014 The Syncthing Authors.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at https://mozilla.org/MPL/2.0/.
package main
import (
"errors"
"os/exec"
"strconv"
"strings"
)
func memorySize() (int64, error) {
cmd := exec.Command("sysctl", "hw.memsize")
out, err := cmd.Output()
if err != nil {
return 0, err
}
fs := strings.Fields(string(out))
if len(fs) != 2 {
return 0, errors.New("sysctl parse error")
}
bytes, err := strconv.ParseInt(fs[1], 10, 64)
if err != nil {
return 0, err
}
return bytes, nil
}