匿名管道的使用

啥也不说，看看代码~~

 

     HANDLE hWrite;
     HANDLE hRead;


void CParentPipeView::OnPipeCreate()
... {
     // TODO: Add your command handler code here
     SECURITY_ATTRIBUTES sa;
     sa.bInheritHandle = TRUE;
     sa.lpSecurityDescriptor = NULL;
     sa.nLength = sizeof (SECURITY_ATTRIBUTES);
     if ( ! CreatePipe( & hRead, & hWrite, & sa, 0 ))
     ... {
         MessageBox( " 创建匿名管道失败！ " );
         return ;
     }
     STARTUPINFO sui;
     PROCESS_INFORMATION pi;
     ZeroMemory( & sui, sizeof (STARTUPINFO));
     sui.cb = sizeof (STARTUPINFO);
     sui.dwFlags = STARTF_USESTDHANDLES;
     sui.hStdInput = hRead;
     sui.hStdInput = hWrite;
     sui.hStdError = GetStdHandle(STD_ERROR_HANDLE);
    
     if ( ! CreateProcess( " ../ChildPipe/Debug/ChildPipe.exe " ,NULL,NULL,NULL,TRUE, 0 ,NULL,NULL, & sui, & pi))
     ... {
         CloseHandle(hRead);
         CloseHandle(hWrite);
         hRead = NULL;
         hWrite = NULL;
         MessageBox( " 创建子进程失败! " );
         return ;
     }
     else
     ... {
         CloseHandle(pi.hProcess);
         CloseHandle(pi.hThread);
     }
}

void CParentPipeView::OnPipeWrite()
... {
     // TODO: Add your command handler code here
     char buf[] = " http://zhangdali.org " ;
     DWORD dwWrite;
     if ( ! WriteFile(hWrite,buf,strlen(buf) + 1 , & dwWrite,NULL))
     ... {
         MessageBox( " 写入数据失败! " );
         return ;
     }
}

void CParentPipeView::OnPipeRead()
... {
     // TODO: Add your command handler code here
     char buf[ 100 ];
     DWORD dwRead;
     if ( ! ReadFile(hRead,buf, 100 , & dwRead,NULL))
     ... {
         MessageBox( " 读取数据失败！ " );
         return ;
     }
     MessageBox(buf);
}


void CChildPipeView::OnPipeRead()
... {
     // TODO: Add your command handler code here
     char buf[ 100 ];
     DWORD dwRead;
     if ( ! ReadFile(hRead,buf, 100 , & dwRead,NULL))
     ... {
         MessageBox( " 读取数据失败! " );
         return ;
     }
     MessageBox(buf);
}

void CChildPipeView::OnPipeWrite()
... {
     // TODO: Add your command handler code here
     char buf[] = " 匿名管道测试程序 " ;
     DWORD dwWrite;
     if ( ! WriteFile(hWrite,buf,strlen(buf) + 1 , & dwWrite,NULL))
     ... {
         MessageBox( " 写入数据失败! " );
         return ;
     }
}