shirou_gopsutil/mem_windows.go

48 lines
1.0 KiB
Go

// +build windows
package gopsutil
import (
"syscall"
"unsafe"
)
var (
procGlobalMemoryStatusEx = modKernel32.NewProc("GlobalMemoryStatusEx")
)
type MEMORYSTATUSEX struct {
cbSize uint32
dwMemoryLoad uint32
ullTotalPhys uint64 // in bytes
ullAvailPhys uint64
ullTotalPageFile uint64
ullAvailPageFile uint64
ullTotalVirtual uint64
ullAvailVirtual uint64
ullAvailExtendedVirtual uint64
}
func Virtual_memory() (Virtual_memoryStat, error) {
ret := Virtual_memoryStat{}
var memInfo MEMORYSTATUSEX
memInfo.cbSize = uint32(unsafe.Sizeof(memInfo))
mem, _, _ := procGlobalMemoryStatusEx.Call(uintptr(unsafe.Pointer(&memInfo)))
if mem == 0 {
return ret, syscall.GetLastError()
}
ret.Total = memInfo.ullTotalPhys
ret.Available = memInfo.ullAvailPhys
ret.UsedPercent = float64(memInfo.dwMemoryLoad)
ret.Used = ret.Total - ret.Available
return ret, nil
}
func Swap_memory() (Swap_memoryStat, error) {
ret := Swap_memoryStat{}
return ret, nil
}