[PATCH] quartz: Increment reference count for the advise thread to avoid crashes caused by DLL unloading.
Zebediah Figura (she/her)
zfigura at codeweavers.com
Tue Aug 10 17:51:49 CDT 2021
Hello Hiroki, thanks for the patch!
On 8/10/21 5:38 PM, Hiroki Awata wrote:
> Some games crash when the DLL is unloaded during SleepConditionVariableCS on SystemClockAdviseThread.
> This is due to the fact that DllCanUnloadNow returns S_OK even though the advise thread is running.
> Incrementing the reference count when creating the advise thread resolves it.
This doesn't seem right; the system clock object itself should be
holding a reference [added by DSCF_CreateInstance(), removed by
system_clock_inner_Release()] and waits for the thread to stop before
removing it. Are you sure we're not leaking a reference elsewhere?
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