minio/pkg/sys/stats_darwin.go at nkv · dominiklessel/minio

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// +build darwin

* Licensed under the Apache License, Version 2.0 (the "License");

* you may not use this file except in compliance with the License.

* You may obtain a copy of the License at

* http://www.apache.org/licenses/LICENSE-2.0

* Unless required by applicable law or agreed to in writing, software

* distributed under the License is distributed on an "AS IS" BASIS,

* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

* See the License for the specific language governing permissions and

* limitations under the License.

package sys

import (

"encoding/binary"

"syscall"

)

func getHwMemsize() (uint64, error) {

totalString, err := syscall.Sysctl("hw.memsize")

if err != nil {

return 0, err

}

// syscall.sysctl() helpfully assumes the result is a null-terminated string and

// removes the last byte of the result if it's 0 :/

totalString += "\x00"

total := uint64(binary.LittleEndian.Uint64([]byte(totalString)))

return total, nil

}

// GetStats - return system statistics for macOS.

func GetStats() (stats Stats, err error) {

stats.TotalRAM, err = getHwMemsize()

return stats, err

}