[Interest] QProcess::waitForStarted() returns false after timeout, then what?

[René J. V. Bertin]

Thiago Macieira wrote:


> 
> It means one of:
> a) your system is swapping so hard that everything takes 1000x more than it
> should (like the Qt CI system)

Swapping or something else that has a similar effect to disk access times, yeah, 
that's about what happened.

> Is the state QProcess::NotRunning or QProcess::Starting ? From reading the
> source code in qprocess_unix.cpp, the error QProcess::Timedout can only happen
> if poll(2) really did time out.

I'd have to print the state in my warning message, the 2 times I got a timeout 
today the application crashed and I didn't feel like doing much post-mortem 
debugging on a swamped system.
FWIW there's a full backtrace here: 
https://bugs.kde.org/show_bug.cgi?id=377489#c1

R