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Questions tagged [anonymous-pipes]

17 questions
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1 answer

Bash Anonymous Pipes

When designing a chain of commands to perform a certain task, i ran into the problem that anonymous pipes do not behave like expected. As the original command that i am running is too complex to explain here, i've created an example that shows the…
Fabraxias
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Anonymous Pipes

I've written a two short programs that use anonymous pipes to communicate. The parent process shares the pipe handles by setting the standard IO handles for the child: // -- Set STARTUPINFO for the spawned process…
user206705
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2 answers

Is anonymous pipes the right way to go here?

I have an application that consists of two exe's. Let's call them MyApp.exe and MyAppStarter.exe. The reason I have MyAppStarter.exe is so that it can first check on the network if there is a new version of MyApp.exe available so that it can copy it…
Dewald Swanepoel
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Inheriting C# Anonymous Pipe Handle in C++ Process

I am trying to inherit a Pipe Handle from a C# parent process to a C++ Child process. I create the Parent in the C# Process in the following way: AnonymousPipeServerStream pipe = AnonymousPipeServerStream(PipeDirection.Out,…
Erik Schulze
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Anonymous pipes and Grep command

I'm trying to implement the following pipe using anonymous pipes : cat filename | grep "a" | wc -c The program seems to be hanging on the grep command and i don't see why. I've tried with some other commands rather than grep, and worked…
user996922
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How to measure speed of an execution via IPC of two applications

I have a sending application that sends a command via an anonymous pipe. I have a receiving application that receives the command, handles it, and returns a result. The sending application receives the result. I can time the length of the complete…
xMRi
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How exactly are anonymous pipes implemented in Solaris?

I'm trying to understand Unix pipes, and I can't find any information about Solaris anonymous pipes, which are created with something like pipe(2). As far as I know, this system call creates a buffer somewhere in kernel space, and links read and…
Gregpack
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Win32: transactions on anonymous pipes

Documentation for TransactNamedPipe Function claims that "This parameter can also be a handle to an anonymous pipe, as returned by the CreatePipe function." This would mean that it is possible to use transactions on anonymous pipes. As I understand…
Tomasz Grobelny
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Need clarity on anonymous pipes

I was reading anonymous pipes on MSDN. they say: "The process can also duplicate a pipe handle using the DuplicateHandle function and send it to an unrelated process using some form of interprocess communication, such as DDE or shared memory." I was…
ks2
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How can I get a list of Anonymous pipes opened

As a follow up to the older question : How can I get a list of all open named pipes in Windows? , I am in a situation where I need to check if a process uses anonymous pipes to communicate with its children. Is there a way to do this ? I've tried…
asudhak
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Using WaitForMultipleObjects on anonymous Pipe ( msdn )

I have an issue in using WaitForMultipleObjects on Anonymous Pipe. My goal is to Wait on a pipe to be written and another object at the same time. To be more precise, I am using pipes for local IPC. I saw on stackoverflow an approach where you can…
R27J02
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Getting textbox value from a 3rd party app in C#

I am trying to develop a background working C# application, that needs to detect when a random 3rd party application is opened, filled out and a button is clicked. I know i can get some info for the 3rd party app as a process, but is it possible to…
Filip5991
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Java WINAPI Anonymous Pipe Invalid/Not Found?

Java seems unable to inherit anonymous pipes from the WinAPI, I am using my own library and can not figure out what the issue is. Library source on the current commit. The anon test: package net.gudenau.lib.pipes.test; import java.io.File; import…
gudenau
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Using QIODevice with anonymous pipes

I want to use a QIODevice in order to read from a unnamed pipe if data is available. I tried this with QFile: m_pFile_Pipe = new QFile(); HANDLE hRead, hWrite; connect(m_pFile_Pipe, SIGNAL(readyRead()), this,…
NTG
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Are anonymous pipes safe for moving encryption keys between apps (IPC)

Im thinking of sending sensitive data (encryption keys) from a windows service to an ADFS plugin. Would this be safe?
WiredLessInTX
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