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40 lines
887 B
Go
40 lines
887 B
Go
1 year ago
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// SPDX-License-Identifier: BSD-3-Clause
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//go:build windows
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package mem
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import (
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"unsafe"
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"golang.org/x/sys/windows"
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)
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// ExVirtualMemory represents Windows specific information
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// https://learn.microsoft.com/en-us/windows/win32/api/sysinfoapi/ns-sysinfoapi-memorystatusex
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type ExVirtualMemory struct {
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VirtualTotal uint64 `json:"virtualTotal"`
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VirtualAvail uint64 `json:"virtualAvail"`
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}
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type ExWindows struct{}
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func NewExWindows() *ExWindows {
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return &ExWindows{}
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}
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func (e *ExWindows) VirtualMemory() (*ExVirtualMemory, error) {
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var memInfo memoryStatusEx
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memInfo.cbSize = uint32(unsafe.Sizeof(memInfo))
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mem, _, _ := procGlobalMemoryStatusEx.Call(uintptr(unsafe.Pointer(&memInfo)))
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if mem == 0 {
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return nil, windows.GetLastError()
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}
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ret := &ExVirtualMemory{
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VirtualTotal: memInfo.ullTotalVirtual,
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VirtualAvail: memInfo.ullAvailVirtual,
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}
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return ret, nil
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}
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