VC实现进程间通信（MailSlot附实例）


By 闲鸟归来
01 // ...Server
02 #include <windows.h>
03 #include <stdio.h>
04 
05 /* 创建邮路由：
06 HANDLE CreateMailslot (
07                           LPCTSTR lpName,                            // 邮路名
08                           DWORD nMaxMessageSize,                     // 消息最大的大小
09                           DWORD lReadTimeout,                        // 读取操作的超时时间
10                           LPSECURITY_ATTRIBUTES lpSecurityAttributes // 描述安全信息的一个结构
11                       );
12 */
13 
14 /* 删除邮路由：
15 BOOL CloseHandle (
16                     HANDLE hObject   // 邮路句柄
17                  );
18 */
19 
20 /************************************************************************/
21 /*    其它邮路函数简介如下：                                                */
22 /*  GetMailslotInfo：获取指定邮路的相关信息；                            */
23 /*    SetMailslotInfo：设置指定邮路的相关信息；                            */
24 /************************************************************************/
25 
26 
27 int main(int argc, char* argv[])
28 {
29     char szMailAddr[] = "\\.\Mailslot\mailslot_abc";
30     HANDLE hMailslot;
31     char buffer[1024];
32     
33     hMailslot = CreateMailslot(szMailAddr, 0, MAILSLOT_WAIT_FOREVER, NULL);
34     if(hMailslot == INVALID_HANDLE_VALUE)
35     {
36        printf("创建邮件槽失败%lu
", GetLastError());
37        return 1;
38     }
39     DWORD dwReadBytes = 0;
40     memset(buffer, 0, 1024);
41     while(ReadFile(hMailslot, buffer, 1022, &dwReadBytes, NULL))
42     {
43        printf("%s
", buffer);
44     }
45     return 0;
46 }
47 
48 // ...Client
49 #include <windows.h>
50 #include <stdio.h>
51 
52 int main(int argc, char* argv[])
53 {
54     char szMailAddr[] = "\\.\Mailslot\mailslot_abc";
55     HANDLE hFile;
56     char buffer[1024];
57     
58     hFile = CreateFile(szMailAddr, GENERIC_WRITE, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
59     if(hFile == INVALID_HANDLE_VALUE)
60     {
61        printf("failed to create file %s
", szMailAddr);
62        return 1;
63     }
64 
65     DWORD dwWriteBytes;
66     for(int i = 1; i <= 100; i++)
67     {
68        sprintf(buffer, "Send message to server the index is = %d", i);
69        WriteFile(hFile, buffer, strlen(buffer) + 1, &dwWriteBytes, NULL);
70     }
71     return 0;
72 }
73 如图：

补充：软件开发 , Vc ,