Rolled back some stuff here like the package stuff

This will add support to view live data

sharedMem/sharedMemWindows.go

@@ -0,0 +1,82 @@
+package sharedMem
+
+import (
+	"io"
+	"log"
+
+	"golang.org/x/sys/windows"
+)
+
+type shmi struct {
+	h    windows.Handle
+	v    uintptr
+	size uint32
+}
+
+// create shared memory. return shmi object.
+func create(name string, size uint32) (*shmi, error) {
+	fnPtr, _ := windows.UTF16PtrFromString(name)
+
+	flProtect := uint32(windows.PAGE_READONLY)
+
+	h, errno := windows.CreateFileMapping(
+		windows.InvalidHandle,
+		nil,
+		flProtect,
+		0,
+		size,
+		fnPtr)
+	if h == 0 {
+		log.Fatal("could not open memmap file: ", errno)
+	}
+
+	addr, errno := windows.MapViewOfFile(h,
+		windows.FILE_MAP_READ,
+		0,
+		0,
+		uintptr(size))
+	if addr == 0 {
+		log.Printf("error in MapViewOfFile: %v", errno)
+	}
+
+	return &shmi{h, addr, size}, nil
+}
+
+// open shared memory. return shmi object.
+func open(name string, size uint32) (*shmi, error) {
+	return create(name, size)
+}
+
+func (o *shmi) close() error {
+	if o.v != uintptr(0) {
+		windows.UnmapViewOfFile(o.v)
+		o.v = uintptr(0)
+	}
+	if o.h != windows.InvalidHandle {
+		windows.CloseHandle(o.h)
+		o.h = windows.InvalidHandle
+	}
+	return nil
+}
+
+// read shared memory. return read size.
+func (o *shmi) readAt(p []byte, off int64) (n int, err error) {
+	if off >= int64(o.size) {
+		return 0, io.EOF
+	}
+	if max := int64(o.size) - off; int64(len(p)) > max {
+		p = p[:max]
+	}
+	return copyPtr2Slice(o.v, p, off, o.size), nil
+}
+
+// write shared memory. return write size.
+func (o *shmi) writeAt(p []byte, off int64) (n int, err error) {
+	if off >= int64(o.size) {
+		return 0, io.EOF
+	}
+	if max := int64(o.size) - off; int64(len(p)) > max {
+		p = p[:max]
+	}
+	return copySlice2Ptr(p, o.v, off, o.size), nil
+}