storj.io/minio@v0.0.0-20230509071714-0cbc90f649b1/pkg/sys/stats_netbsd.go (about)

     1  //go:build netbsd
     2  // +build netbsd
     3  
     4  /*
     5   * MinIO Cloud Storage, (C) 2020 MinIO, Inc.
     6   *
     7   * Licensed under the Apache License, Version 2.0 (the "License");
     8   * you may not use this file except in compliance with the License.
     9   * You may obtain a copy of the License at
    10   *
    11   *     http://www.apache.org/licenses/LICENSE-2.0
    12   *
    13   * Unless required by applicable law or agreed to in writing, software
    14   * distributed under the License is distributed on an "AS IS" BASIS,
    15   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    16   * See the License for the specific language governing permissions and
    17   * limitations under the License.
    18   */
    19  
    20  package sys
    21  
    22  import (
    23  	"encoding/binary"
    24  	"syscall"
    25  )
    26  
    27  func getHwPhysmem() (uint64, error) {
    28  	totalString, err := syscall.Sysctl("hw.physmem64")
    29  	if err != nil {
    30  		return 0, err
    31  	}
    32  
    33  	// syscall.sysctl() helpfully assumes the result is a null-terminated string and
    34  	// removes the last byte of the result if it's 0 :/
    35  	totalString += "\x00"
    36  
    37  	total := uint64(binary.LittleEndian.Uint64([]byte(totalString)))
    38  
    39  	return total, nil
    40  }
    41  
    42  // GetStats - return system statistics for bsd.
    43  func GetStats() (stats Stats, err error) {
    44  	stats.TotalRAM, err = getHwPhysmem()
    45  	return stats, err
    46  }