find our where the exe is being aborted with abort()

Posted on 2010-11-29
Last Modified: 2012-05-10

My c++ is getting gets an error when under the MTD and it just exits when it is built under MT. In MTD i get this error:

"Debug Error!
- abort() has been called
(Press Retry to debug the application)"

Open in new window

I can choose to ignore it, cancel it or retry but they all lead to the exe getting closed. I gues that abort() is being called somewhere but i've been looking and searching for it and I cant find it. It is probably not in my code but a result when communicating with a socket while the internet connection goes down.

Is there a way that I can find out where this error is being called from (line and file)?

Thank you
Question by:xNejX
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LVL 86

Expert Comment

ID: 34231973
>>Is there a way that I can find out where this error is being called from (line
>>and file)?

Yes - "Press Retry to debug the application" (pardon the pun) and examine the call stack. This will lead you to the file and line in your code that subsequently caused 'abort()' to be called.
LVL 86

Assisted Solution

jkr earned 100 total points
ID: 34231981
BTW, see also ("How to: Use the Call Stack Window")

Author Comment

ID: 34232003
i will try the second solution, the retry doesn't do anything
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LVL 86

Expert Comment

ID: 34232089
You could also try to to rund your aqpp in the debugger from the start, it should then stop on the line with the 'abort()'.

Author Comment

ID: 34232418
I tried to do it with the callstack but as soon as it aborts the callstact window dissapears from Visual Studio and when I reopen it it is empty.

All that I can get from the "Output" window in visual studio is The program '[22476] Unasl.exe: Native' has exited with code 1 (0x1).

How do i rund my aqpp?
LVL 86

Expert Comment

ID: 34232747
Hmm, can you try to set a breakpoint on 'abort()'? Press CTRL+B and enter 'abort' in the text field.
LVL 32

Assisted Solution

phoffric earned 100 total points
ID: 34233035
If you need help in using the VS debugger, these articles may help:
C/C++ Beginner's Debugging Guide
Breakpoint Tips for C/C++
Watch, Memory, Stack Tips: C/C++

Author Comment

ID: 34234018

Do you know the shortcut or the function name in VS 2010? CTRL + B doesn't do anything => { (Ctrl+B) was pressed. Waiting for second key or chord... }?
LVL 86

Expert Comment

ID: 34234128
Try "Debug|New Breakpoint|Break at Function..."

Author Comment

ID: 34234758
was i supposed to put a certain line number and char, should i put in abort or abort()?

cause it didn't break on anything...
LVL 22

Accepted Solution

ambience earned 300 total points
ID: 34246485
heres a weird idea that I would have tried after all these efforts

write abort() right after main() (the first statement). Single step through the code F-11. Step inside abort() and set a breakpoint and stop debuging.

Then keeping the breakpoint open, remove the abort() statement and continue debugging F5. It should then hit the breakpoint.

This should work If you had installed CRT source code, otherwise you can set the break point in disassembly. In the worst case, set the breakpoint in disassembly and then drag the execution point to the [ret] statement of abort() (effectively skipping it manually the first time). Continue from that point and it should break the next time it enters abort().

Weird, but I know I have succeeded with things like that in the past so its worth a try when nothing else is working :)

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