@@ -1,4 +1,4 @@

-// +build !linux

+// +build !linux,!windows

 package system

new file mode 100644

@@ -0,0 +1,44 @@

+package system

+

+import (

+	"syscall"

+	"unsafe"

+)

+

+var (

+	modkernel32 = syscall.NewLazyDLL("kernel32.dll")

+

+	procGlobalMemoryStatusEx = modkernel32.NewProc("GlobalMemoryStatusEx")

+)

+

+// https://msdn.microsoft.com/en-us/library/windows/desktop/aa366589(v=vs.85).aspx

+// https://msdn.microsoft.com/en-us/library/windows/desktop/aa366770(v=vs.85).aspx

+type memorystatusex struct {

+	dwLength                uint32

+	dwMemoryLoad            uint32

+	ullTotalPhys            uint64

+	ullAvailPhys            uint64

+	ullTotalPageFile        uint64

+	ullAvailPageFile        uint64

+	ullTotalVirtual         uint64

+	ullAvailVirtual         uint64

+	ullAvailExtendedVirtual uint64

+}

+

+// ReadMemInfo retrieves memory statistics of the host system and returns a

+//  MemInfo type.

+func ReadMemInfo() (*MemInfo, error) {

+	msi := &memorystatusex{

+		dwLength: 64,

+	}

+	r1, _, _ := procGlobalMemoryStatusEx.Call(uintptr(unsafe.Pointer(msi)))

+	if r1 == 0 {

+		return &MemInfo{}, nil

+	}

+	return &MemInfo{

+		MemTotal:  int64(msi.ullTotalPhys),

+		MemFree:   int64(msi.ullAvailPhys),

+		SwapTotal: int64(msi.ullTotalPageFile),

+		SwapFree:  int64(msi.ullAvailPageFile),

+	}, nil

+}