[mem][windows]: add ExWindows and implement VirualTotal/Avail

This commit fixes #1588. Thank you!
pull/1628/head
shirou 1 year ago
parent 930a873984
commit 3caf443966

@ -13,9 +13,7 @@ import (
"golang.org/x/sys/windows"
)
var (
procGetNativeSystemInfo = common.Modkernel32.NewProc("GetNativeSystemInfo")
)
var procGetNativeSystemInfo = common.Modkernel32.NewProc("GetNativeSystemInfo")
type win32_Processor struct {
Family uint16

@ -0,0 +1,39 @@
// 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
}
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