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https://github.com/gogrlx/nats-server.git
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f805f23d6e
- Add Go 1.17 - Fix go fmt from Go 1.17 (build directives) - Download version of misspell and staticcheck instead of doing "go get" since current staticcheck would be broken without go.mod Signed-off-by: Ivan Kozlovic <ivan@synadia.com>
48 lines
1.3 KiB
Go
48 lines
1.3 KiB
Go
// Copyright 2019 The NATS Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//go:build windows
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// +build windows
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package sysmem
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import (
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"syscall"
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"unsafe"
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)
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// https://docs.microsoft.com/en-us/windows/win32/api/sysinfoapi/ns-sysinfoapi-memorystatusex
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type _memoryStatusEx struct {
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dwLength uint32
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dwMemoryLoad uint32
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ullTotalPhys uint64
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unused [6]uint64 // ignore rest of struct
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}
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func Memory() int64 {
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kernel32, err := syscall.LoadDLL("kernel32.dll")
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if err != nil {
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return 0
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}
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globalMemoryStatusEx, err := kernel32.FindProc("GlobalMemoryStatusEx")
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if err != nil {
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return 0
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}
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msx := &_memoryStatusEx{dwLength: 64}
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res, _, _ := globalMemoryStatusEx.Call(uintptr(unsafe.Pointer(msx)))
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if res == 0 {
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return 0
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}
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return int64(msx.ullTotalPhys)
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}
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