FGFS-4.1/simgear
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Subsystems: add checks to avoid crash on early exit

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Don’t crash if the user exits before subsystems are bound / init-ed
This commit is contained in:
James Turner 2021-03-23 17:06:05 +00:00
parent 676a2e3880
commit 0a7e6b9b84
1 changed files with 10 additions and 0 deletions
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10
simgear/structure/subsystem_mgr.cxx
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@ -340,6 +340,11 @@ SGSubsystemGroup::reinit ()
void
SGSubsystemGroup::shutdown ()
{
if (_state < State::INIT) {
SG_LOG(SG_EVENT, SG_ALERT, "Shutdown of non-init-ed group:" << _name);
return;
}
reverseForEach([this](SGSubsystem* s){
this->notifyWillChange(s, State::SHUTDOWN);
s->shutdown();
@ -363,6 +368,11 @@ SGSubsystemGroup::bind ()
void
SGSubsystemGroup::unbind ()
{
if (_state < State::BIND) {
SG_LOG(SG_EVENT, SG_ALERT, "Unbind of non-bound group:" << _name);
return;
}
reverseForEach([this](SGSubsystem* s){
this->notifyWillChange(s, State::UNBIND);
s->unbind();