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Asked: 2026-05-26T17:21:43+00:00

I am using main.exe for my program in C++, which then calls other executables

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I am using main.exe for my program in C++, which then calls other executables in some situations.

How do I make an exe pause until another exe is executed?

Example:

I have an exe which creates dialog boxes for different situations (error, invalid arg, etc). Sometimes I might take an arg from the user & sometimes I might not.
So, until I take the arg from user how do I make my main.exe pause? Also, I want the arg in another exe.

So should I use new for storing the arg dynamically & pass pointers to that memory location in whichever exe I need the arg? By doing this am I doing memory leak? I will use delete after my need of that arg is over.

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1 Answer

  1. Editorial Team

    To do this on Windows you need to spawn your process with CreateProcess() then wait on the handle that is returned in the PROCESS_INFORMATION structure using WaitForSingleObject.

    Just ensure that the CreateProcess call succeeds. Any parameters can be passed via the command line or by using shared memory or a named pipe, see this for an example.

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