python 进程间通信

python 进程间通信

代码很简单，所以就没注释了：}
[python] 
""" 
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() 
[python] view plaincopy
     
#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!");