minio/pkg/sys/stats_darwin.go

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// +build darwin
/*
* Minio Cloud Storage, (C) 2016 Minio, Inc.
*
* 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 windows.
func GetStats() (stats Stats, err error) {
memSize, err := getHwMemsize()
if err != nil {
return Stats{}, err
}
stats = Stats{
TotalRAM: memSize,
}
return stats, nil
}