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SubsystemMgr: prevent double delete and use shared pointers.

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This commit is contained in:
Thomas Geymayer 2015-11-19 23:10:11 +01:00
parent 21e6dd34b2
commit 10e6bbc2c5
2 changed files with 8 additions and 11 deletions
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13
simgear/structure/subsystem_mgr.cxx
View File

@ -301,8 +301,6 @@ SGSubsystemGroup::set_subsystem (const string &name, SGSubsystem * subsystem,
double min_step_sec)
{
Member * member = get_member(name, true);
if (member->subsystem != 0)
delete member->subsystem;
member->name = name;
member->subsystem = subsystem;
member->min_step_sec = min_step_sec;
@ -430,11 +428,11 @@ SGSubsystemGroup::Member::update (double delta_time_sec)
SGSubsystemMgr::SGSubsystemMgr () :
_groups(MAX_GROUPS),
_initPosition(0)
{
for (int i = 0; i < MAX_GROUPS; i++) {
_groups[i] = new SGSubsystemGroup;
}
for (int i = 0; i < MAX_GROUPS; i++)
_groups[i].reset(new SGSubsystemGroup);
}
SGSubsystemMgr::~SGSubsystemMgr ()
@ -442,10 +440,7 @@ SGSubsystemMgr::~SGSubsystemMgr ()
// ensure get_subsystem returns NULL from now onwards,
// before the SGSubsystemGroup destructors are run
_subsystem_map.clear();
for (int i = 0; i < MAX_GROUPS; i++) {
delete _groups[i];
}
_groups.clear();
}
void

4
simgear/structure/subsystem_mgr.hxx
View File

@ -345,6 +345,8 @@ private:
unsigned int _initPosition;
};
typedef SGSharedPtr<SGSubsystemGroup> SGSubsystemGroupRef;
/**
* Manage subsystems for FlightGear.
*
@ -413,7 +415,7 @@ public:
void setReportTimingCb(void* userData,SGSubsystemTimingCb cb) {reportTimingCb = cb;reportTimingUserData = userData;}
private:
SGSubsystemGroup* _groups[MAX_GROUPS];
std::vector<SGSubsystemGroupRef> _groups;
unsigned int _initPosition;
// non-owning reference