.NET处理产生问题

Question

我有一个可执行文件,它从命令提示符立即运行,但在使用System.Diagnostics.Process生成时似乎永远不会返回:

基本上,我正在围绕Accurev CLI接口编写.NET库包装器,因此每个方法调用都会生成CLI进程以执行命令.

这适用于除一个命令以外的所有命令:

  accurev.exe show depots

但是,当从控制台运行它时,它运行正常,当我使用.net进程调用它时,它会挂起...我使用的进程生成代码是:

    public static string ExecuteCommand(string command)
    {

        Process p = createProcess(command);

        p.Start();            
        p.WaitForExit();

        // Accurev writes to the error stream if ExitCode is non zero.
        if (p.ExitCode != 0)
        {
            string error = p.StandardError.ReadToEnd();
            Log.Write(command + " failed..." + error);
            throw new AccurevException(error);                 
        }
        else
        {
            return p.StandardOutput.ReadToEnd();
        }

    }

    /// Creates Accurev Process 
    /// </summary>
    /// <param name="command"></param>
    /// <returns></returns>
    private static Process createProcess(string command)
    {
        Log.Write("Executing Command: " + command);

        ProcessStartInfo startInfo = new ProcessStartInfo();
        Process p = new Process();

        startInfo.CreateNoWindow = false;
        startInfo.RedirectStandardOutput = true;
        startInfo.RedirectStandardInput = true;
        startInfo.RedirectStandardError = true;

        startInfo.UseShellExecute = false;
        startInfo.Arguments = command;
        startInfo.FileName = _accurev;

        p.StartInfo = startInfo;

        return p;
    }

它挂在p.WaitForExit().

有什么建议？

编辑:解决了!

如果输出缓冲区溢出,.NET进程挂起,我切换到使用异步读取方法,一切正常:

    public static string ExecuteCommand(string command)
    {
        StringBuilder outputData = new StringBuilder();

        Process p = createProcess(command);

        p.OutputDataReceived += delegate(object sender, DataReceivedEventArgs e)
        {
            outputData.AppendLine(e.Data);
        };

        p.Start();
        p.BeginOutputReadLine();

        p.WaitForExit();

        // Accurev writes to the error stream if ExitCode is non zero.
        if (p.ExitCode != 0)
        {
            string error = p.StandardError.ReadToEnd();
            Log.Write(command + " failed..." + error);
            throw new AccurevException(error);                 
        }
        else
        {
            return outputData.ToString();
        }

    }   

Answer 1

当 WaitForExit() 执行时，生成的进程是否仍然存在？你可以给它附加一个调试器吗？