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gopsutil/mem/ex_windows.go

40 lines
887 B
Go

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