[Interest] QDateTime::toString() fails when used in exit handler
Bernhard Lindner
private at bernhard-lindner.de
Fri Jun 19 22:12:17 CEST 2020
Hi!
I tried to log `std::exit` calls in my GCC10 compiled Qt 5.14.2 application under KDE Neon
18.04. This fails when turning a `QDateTime` object into a string. It can be reproduced
with the following snippet:
void exitHandler() noexcept
{
QString b = QDateTime::currentDateTime().toString();
}
int main(int pArgc, char* pArgv[]) noexcept
{
std::atexit(&exitHandler);
QString a = QDateTime::currentDateTime().toString();
std::exit(1);
return 0;
}
Variable `a` contains the expected date/time while variable `b` is empty. When using UTC
time, `b` is " GMT". I am not aware of any related restrictions of exit-handlers.
Can someone tell me what is going wrong here?
--
Best Regards,
Bernhard Lindner
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