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lib/ur: Use sysctl syscall to get RAM size on Mac (#6468)

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greatroar 2020-03-29 14:28:46 +02:00 committed by GitHub
parent 79a758be3c
commit 1c47fae206
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2 changed files with 4 additions and 20 deletions
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1
go.mod
View File

@ -42,6 +42,7 @@ require (
github.com/willf/bloom v2.0.3+incompatible
golang.org/x/crypto v0.0.0-20200221231518-2aa609cf4a9d
golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297
golang.org/x/sys v0.0.0-20191224085550-c709ea063b76
golang.org/x/text v0.3.2
golang.org/x/time v0.0.0-20190308202827-9d24e82272b4
gopkg.in/asn1-ber.v1 v1.0.0-20181015200546-f715ec2f112d // indirect

23
lib/ur/memsize_darwin.go
View File

@ -6,26 +6,9 @@
package ur
import (
"errors"
"os/exec"
"strconv"
"strings"
)
import "golang.org/x/sys/unix"
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
mem, err := unix.SysctlUint64("hw.memsize")
return int64(mem), err
}