python : 进程间通信

""" 
采用windows事件和共享内存实现进程间通信。


"""


#reader
import win32event as w32e
import win32api as wapi
import mmapfile as mmf


hEvent = w32e.CreateEvent(None , 0 , 0 , "Global\\JmdebuggerEvent")
#system_info=wapi.GetSystemInfo()
#page_size=system_info[1]
pyMm = mmf.mmapfile(None , "JmdebuggerMem" ,1024 )
if hEvent != None and pyMm != None :
    w32e.WaitForSingleObject(hEvent , -1)
    buf = pyMm.read(16)
    print buf
    wapi.CloseHandle(hEvent)

    pyMm.close()

    
#writer 
import win32event as w32e
import mmapfile as mmf
hEvent = w32e.OpenEvent(w32e.EVENT_ALL_ACCESS , 0 ,"Global\\JmdebuggerEvent")
pyMm = mmf.mmapfile(None , "JmdebuggerMem" ,1024)
if hEvent != None and pyMm != None:
    w32e.SetEvent(hEvent)
    pyMm.write("hello world!");