2014-09-04 08:31:38 +02:00
|
|
|
// Copyright (C) 2014 Jakob Borg and Contributors (see the CONTRIBUTORS file).
|
|
|
|
|
// All rights reserved. Use of this source code is governed by an MIT-style
|
|
|
|
|
// license that can be found in the LICENSE file.
|
|
|
|
|
|
2014-06-12 20:47:46 +02:00
|
|
|
package main
|
|
|
|
|
|
|
|
|
|
import (
|
|
|
|
|
"encoding/binary"
|
|
|
|
|
"syscall"
|
|
|
|
|
"unsafe"
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
var (
|
|
|
|
|
kernel32, _ = syscall.LoadLibrary("kernel32.dll")
|
|
|
|
|
globalMemoryStatusEx, _ = syscall.GetProcAddress(kernel32, "GlobalMemoryStatusEx")
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
func memorySize() (uint64, error) {
|
|
|
|
|
var memoryStatusEx [64]byte
|
|
|
|
|
binary.LittleEndian.PutUint32(memoryStatusEx[:], 64)
|
|
|
|
|
p := uintptr(unsafe.Pointer(&memoryStatusEx[0]))
|
|
|
|
|
|
|
|
|
|
ret, _, callErr := syscall.Syscall(uintptr(globalMemoryStatusEx), 1, p, 0, 0)
|
|
|
|
|
if ret == 0 {
|
|
|
|
|
return 0, callErr
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return binary.LittleEndian.Uint64(memoryStatusEx[8:]), nil
|
|
|
|
|
}
|
