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QuestionCompiler generated code Pin
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QuestionInterprocess communication in C without pipes or disk Pin
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leon de boer12-Jul-17 18:49
leon de boer12-Jul-17 18:49 
Edit: Sorry Espen wasn't meant as a response to you but just another suggestion .... need more coffee clearly

They are all listed .. pros and cons for each. Read the key point for each.

Interprocess Communications (Windows)[^]

The easiest for a heartbeat/watchdog function is the WM_COPYDATA call but whether it is best depends on situation if you need more than just a heartbeat. It's definitely on XP and everything since.

The C++ sample is on MSDN .. Easy enough to convert to C
C++ Windows app uses WM_COPYDATA for IPC (CppSendWM_COPYDATA) sample in C++ for Visual Studio 2008[^]

If they are exchanging anything more than a heartbeat I would suggest they look at
Using WM_COPYDATA[^]
In vino veritas


modified 13-Jul-17 2:05am.

AnswerRe: Interprocess communication in C without pipes or disk Pin
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