[Interest] Retrieving the object info due to exception std::bad_alloc

[Konstantin Tokarev]

28.02.2018, 09:51, "alexander golks" <alex at golks.de>:
> Am Tue, 27 Feb 2018 23:12:51 +0530
> schrieb Ramakanth Kesireddy <rama.kesi at gmail.com>:
>
>>  Hi,
>>
>>  As mentioned in http://doc.qt.io/archives/qt-4.8/exceptionsafety.html, the
>>  below code is being used to catch the exceptions in application:-
>>
>>  QApplication app(argc, argv);
>>  ...
>>  try {
>>  app.exec();
>>  } catch (const std::bad_alloc &) {
>>  //clean up code and log the exception info
>>  // retrieve class name and method name of object
>>  return 0; // exit the application
>>  }
>>
>>  Please let me know if there any means to get the runtime object info like
>>  class name, method name(if possible line number) throwing the exception
>>  std::bad_alloc in catch block?
>
> beside your origin question:
> bad_alloc is mostly thrown due to too view memory for the request in question.
> so when you continue your program, chances are good to see more bad_allocs.

Or don't get any bad_alloc at all, being killed by OOM Killer promptly

>
> to your question:
> you may try stacktracers, like mentioned here: https://stackoverflow.com/a/691742
>
> alex
>
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-- 
Regards,
Konstantin