SimulationController might crash when loading .xml

[Václav Šmilauer]

From https://lists.launchpad.net/yade-dev/msg01486.html:

> yade-trunk: /usr/include/boost/shared_ptr.hpp :315 : T*
> boost::shared_ptr<T>::operator->() const [with T = Engine]: L'assertion
> « px != 0 » a échoué.
> [...]
#6 <signal handler called>
> [...]
#10 0xb711410e in __assert_fail () from /lib/tls/i686/cmov/libc.so.6
> #11 0x081737b4 in boost::shared_ptr<Engine>::operator-> (this=0x8a56650)
> at /usr/include/boost/shared_ptr.hpp:315
> #12 0x081a430e in Omega::containTimeStepper (this=0x825f350) at
> core/Omega.cpp:291
> #13 0xb1a7cee2 in SimulationController::doUpdate (this=0x8398be0) at
> gui/qt3/SimulationController.cpp:504
>
I add check for (e) to containTimeStepper in r1868.

Clsoe this bug if it is no longer an issue.

[Václav Šmilauer (eudoxos)]

Emanuele, can we get some update on this? Still an issue for you?

[Václav Šmilauer (eudoxos)]

Once svn is up (sigh), r1911 will add mutex for updating controls when loading, which should solve this bug. Reopen if still applicable.