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Fix the "Crash on Exit" bug (cherry picked from commit b4f6ccaa88)

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We were throwing away the Dispatcher before all the keys (namely, leaked
keys) were unloaded. See the comment in plResManager for more details.
This commit is contained in:
Adam Johnson
2020-06-30 10:06:51 -06:00
committed by rarified
parent 149a8877ce
commit 49e4283807
4 changed files with 21 additions and 10 deletions
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2
MOULOpenSourceClientPlugin/Plasma20/Sources/Plasma/NucleusLib/inc/plgDispatch.h
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@ -68,6 +68,8 @@ public:
virtual void MsgQueueOnOff(hsBool) = 0; // Turn on or off Queued Messages, if off, uses MsgSend Immediately (for plugins)
virtual hsBool SetMsgBuffering(hsBool on) = 0; // On starts deferring msg delivery until buffering is set to off again.
virtual bool BeginShutdown() = 0;
};

10
MOULOpenSourceClientPlugin/Plasma20/Sources/Plasma/NucleusLib/pnDispatch/plDispatch.cpp
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@ -103,12 +103,14 @@ plDispatch::plDispatch()
plDispatch::~plDispatch()
{
int i;
for( i = 0; i < fRegisteredExactTypes.GetCount(); i++ )
delete fRegisteredExactTypes[i];
hsAssert(fRegisteredExactTypes.GetCount() == 0, "registered type after Dispatch shutdown");
ITrashUndelivered();
}
void plDispatch::BeginShutdown()
{
fRegisteredExactTypes.Reset();
ITrashUndelivered();
}
void plDispatch::ITrashUndelivered()

2
MOULOpenSourceClientPlugin/Plasma20/Sources/Plasma/NucleusLib/pnDispatch/plDispatch.h
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@ -131,6 +131,8 @@ public:
virtual hsBool SetMsgBuffering(hsBool on); // On starts deferring msg delivery until buffering is set to off again.
virtual void BeginShutdown();
static void SetMsgRecieveCallback(MsgRecieveCallback callback) { fMsgRecieveCallback = callback; }
};

15
MOULOpenSourceClientPlugin/Plasma20/Sources/Plasma/PubUtilLib/plResMgr/plResManager.cpp
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@ -205,10 +205,12 @@ void plResManager::IShutdown()
// TimerCallbackMgr is a fixed-keyed object, so needs to shut down before the registry
plgTimerCallbackMgr::Shutdown();
// Destroy the dispatch. Note that we do this before the registry so that any lingering messages
// can free up keys properly
hsRefCnt_SafeUnRef(fDispatch);
fDispatch = nil;
// Formerly, we destroyed the Dispatcher here to clean up keys for leak reporting.
// However, if there are *real* leaked keys, then they will want to unload after this step.
// To unload, plKeyImp needs to dispatcher. SO, we're going to pitch everything currently in the
// Dispatcher and kill it later
fDispatch->BeginShutdown();
// Just before we shut down the registry, page out any keys that still exist.
// (They shouldn't... they're baaaaaad.)
@ -224,9 +226,12 @@ void plResManager::IShutdown()
fLoadedPages.clear();
IUnlockPages();
fLastFoundPage = nil;
// Now, kill off the Dispatcher
hsRefCnt_SafeUnRef(fDispatch);
fDispatch = nil;
kResMgrLog(1, ILog(1, " ...Shutdown successful!"));
fInited = false;