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Questions - createprocess

Weird behaviour when passing grandchild output of CreateProcess to the grandparent through the child

I am working on an application A which calls CreateProcess to run a child process B, which in turn calls createProcess to run a child process C. The output of C should be passed through by B and then ...
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user17985554

c

winapi

process

pipe

createprocess

Votes: 0

Answers: 1

Latest Answer

It turns out this was related to mixing WriteFile and printf. As I understand it, text printed with printf will be buffered and passed to WriteFile once the buffer is full (or, in this case, when the ...
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user17985554

Can't Capture cdb.exe Debuggee Output With LaunchProcess

I am launching cdb.exe (Microsoft Console Debugger) as a child process of my C++ application using the following method: https://stackoverflow.com/a/66147288/6531253 cdb.exe, in turn, launches a separ...
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Eagleheart

c++

debugging

pipe

console-application

createprocess

Votes: 0

Answers: 1

Latest Answer

As a workaround, I found a way to at least get the output. Rather than having cdb.exe launch the process, I launch the process myself in the same program that I am launching cdb.exe from. I am then ha...
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Eagleheart

Run command in c++ via CreateProcess and handle its input and output

I am trying to create a program in which you can execute commands. The output of these commands should be displayed in a GUI. For this I use QT (because I want to get familiar with WinAPI I don't use ...
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joel_muehlena

c++

windows

winapi

console

createprocess

Votes: 0

Answers: 1

Latest Answer

It sounds like you have an XY problem, luckily you described X so we can address it. The issue is not your failure to call WriteFile to store the response into the redirected input pipe. If the progr...
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Ben Voigt

Run a console app and close the window only if it succeeds

I want to execute a console application from my GUI application and close the console window only if it is completed successfully. I tried this code, but when I call that function, a console window ap...
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Marus Gradinaru

delphi

console

exit-code

createprocess

delphi-10.3-rio

Votes: 0

Answers: 1

Latest Answer

I found a solution: Cmd1:= '@echo off'; Cmd2:= '...'; // your console app and its parameters here Cmd3:= 'if errorlevel 1 pause'; ShellExecute(0, 'open', 'cmd', PChar('/c "'+Cmd1+'&'+Cmd2+'&a...
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Marus Gradinaru

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