#2167 fgfs - close app during navdatacache initialization -> crash SIG11

[Slawek Mikula]

When FG is started withhout datacache initialized and when during this initialization one closes the app -> SIG11 crash. Stacktrace in the attachment.

Steps:

• clean FG, without anything in fghome
• start FG without launcher
• FG starts with default settings and normal splash screen
• in the lower right corner information about initialization process (navaids, airports ...)
• during this phase click on the windowmanager closing button (to close the application)
• crash

OS: ubuntu 18.04

[James Turner]

Should be fixed now, please re-check and verify.

[Slawek Mikula]

Ok, i'll try and do my best - taking into account my limited fgfs activity

[Slawek Mikula]

The sigsegv still exists. Latest code. Run without launcher (without any arguments exept: --fg-root=$CURRENT_DIR/fgdata --prop:/sim/fg-home=$FG_HOME)

During navdata initialization (see screen) i've closed the application with the (X) button on the window (WM close). Backtrace (clueless) in the attachment. Log also.

[Slawek Mikula]

If I do it with Qt enabled (during navdata initialization progress bars) and close it with ALT+F4 sigsegv does not occurs.

[James Turner]

Ah my bad : I thought it was about with the launcher, the crash without the launcher I didn't fix.