import ctypes as C
import logging
import numpy as np
import time

from mmap import mmap
from mmap import ACCESS_WRITE
from timeit import default_timer as timer
from time import sleep
from weakref import finalize
from win32api import CloseHandle
from win32event import CreateEvent, ResetEvent, SetEvent, WaitForSingleObject, OpenEvent

mm = mmap(-1, 4600000, "444", ACCESS_WRITE)

read = OpenEvent(2, 0, "READ")
write = OpenEvent(0x00100000, 0, "WRITE")
i = 0
while 1 < 200:
    if WaitForSingleObject(write, 0xFFFFFFFF) == 0xFFFFFFFF:
        print("foo")
        break
    mm.seek(0)
    print("Read data from memory:", mm[0], ":::", time.time());
    data = mm.read()
    print('Read', len(data), 'bytes')
    i = i + 1
    SetEvent(read)

CloseHandle(write)
CloseHandle(read)