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