通过dll的跨进程通讯

#pragma data_seg("SharedMemory")
 
int shared_data = -1;
 
#pragma data_seg()
#pragma comment(linker, "/section:SharedMemory,RWS") 

#pragma data_seg("SharedMemory")
 
int shared_data = -1;
 
#pragma data_seg()
#pragma comment(linker, "/section:SharedMemory,RWS")
 
extern "C" _declspec(dllexport) int Read() {
    return shared_data;
}
 
extern "C" _declspec(dllexport) void Write(int data) {
    shared_data = data;
}

[DllImport(@"C:\Users\Administrator\桌面\SharedMemory.dll", EntryPoint = "Read")]
public static extern int Read();
        
[DllImport(@"C:\Users\Administrator\桌面\SharedMemory.dll", EntryPoint = "Write")]
public static extern void Write(int data);

from ctypes import *
dll = CDLL(r"C:\Users\Administrator\桌面\SharedMemory.dll")
result = dll.Read()
print(str(result))