在C中创建管道和必要的权限#

我尝试在C语言中添加一个SokBooBover(C++编写)到我的程序中(我在我的程序中有一个类,用来处理C++接口的编组)。我的程序加载solver.dll库,该库加载solver.exe。solver.dll和solver.exe通过管道进行通信。

问题是,当我在Visual Studio(调试)中运行我的程序时,DLL加载正常,插件的功能也很好。但是,当我在Visual Studio之外打开程序(简单双击my program.exe)时,当我尝试运行求解函数时,会出现错误消息:“got invalid pipe”和“failed to create pipe.”。

我很迷茫可能是什么问题,但我猜有些权限有问题。

以下是插件作者的两部分代码:

在solver.dll文件中:

 //create pipes
 SECURITY_ATTRIBUTES attr;
 attr.nLength=sizeof(attr);
 attr.lpSecurityDescriptor=NULL;
 attr.bInheritHandle=TRUE;
 if(!CreatePipe(&hPipeOutRead,&hPipeOutWrite,&attr,0)
         ||!CreatePipe(&hPipeInRead,&hPipeInWrite,&attr,0) )
 {
         ReportError("Failed to create pipe.");
         return SOKOBAN_PLUGIN_RESULT_FAILURE;
 }

 //set std handle for deliver pipe
 HANDLE hStdInSave, hStdOutSave;
 hStdInSave=GetStdHandle(STD_INPUT_HANDLE);
 hStdOutSave=GetStdHandle(STD_OUTPUT_HANDLE);
 if(hStdInSave==INVALID_HANDLE_VALUE || hStdOutSave==INVALID_HANDLE_VALUE)
 {
         ReportError("Failed to get std handles.");
         return SOKOBAN_PLUGIN_RESULT_FAILURE;
 }
 if(!SetStdHandle(STD_INPUT_HANDLE,hPipeOutRead)
         ||!SetStdHandle(STD_OUTPUT_HANDLE,hPipeInWrite) )
 {
         ReportError("Failed to redirect std handles.");
         return SOKOBAN_PLUGIN_RESULT_FAILURE;
 }

 //create BoxSearch Process
 STARTUPINFO startInfo;
 ZeroMemory(&startInfo,sizeof(startInfo));
 startInfo.cb=sizeof(startInfo);

 PROCESS_INFORMATION processInfo;
 ZeroMemory(&processInfo,sizeof(processInfo));

 char dllDir[MAX_PATH];
 char exeName[MAX_PATH+100];
 GetModuleFileName(ghinstDLL,dllDir,MAX_PATH);
 *(strrchr(dllDir,'\\')+1)=0;
 strcpy(exeName,dllDir);
 strcat(exeName,"Solver.exe");

 char cmdLine[MAX_PATH+100];
 strcpy(cmdLine,"\"");
 strcat(cmdLine,exeName);
 strcat(cmdLine,"\"");
 strcat(cmdLine," ");
 strcat(cmdLine,API_DLLCommandLine);

 BOOL launchSuccess=CreateProcess(exeName,cmdLine,NULL,NULL,TRUE,0,NULL,dllDir,&startInfo,&processInfo);

solver.exe一侧:

//get pipes
 hPipeRead=GetStdHandle(STD_INPUT_HANDLE),
 hPipeWrite=GetStdHandle(STD_OUTPUT_HANDLE);
 if(0==hPipeRead || INVALID_HANDLE_VALUE==hPipeRead
         ||0==hPipeWrite|| INVALID_HANDLE_VALUE==hPipeWrite)
 {
         FormattedMessageBox("Got invalid pipe.");
         return;
 }

可能有什么问题?是否有与加载的dll(用于管道)相关的权限?

谢谢!