github.com/nats-io/nats-server/v2@v2.11.0-preview.2/server/sysmem/mem_linux.go (about)

     1  // Copyright 2019 The NATS Authors
     2  // Licensed under the Apache License, Version 2.0 (the "License");
     3  // you may not use this file except in compliance with the License.
     4  // You may obtain a copy of the License at
     5  //
     6  // http://www.apache.org/licenses/LICENSE-2.0
     7  //
     8  // Unless required by applicable law or agreed to in writing, software
     9  // distributed under the License is distributed on an "AS IS" BASIS,
    10  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    11  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  //go:build linux
    15  // +build linux
    16  
    17  package sysmem
    18  
    19  import "syscall"
    20  
    21  func Memory() int64 {
    22  	var info syscall.Sysinfo_t
    23  	err := syscall.Sysinfo(&info)
    24  	if err != nil {
    25  		return 0
    26  	}
    27  	return int64(info.Totalram) * int64(info.Unit)
    28  }