Hi Lennart:
It seems mainloop is not thread safe. I'd like to cite time_free as
example, pls correct me if I miss something.
cleanup_time_events() simply iterates time_events list to free dead events and
decrease time_events_please_scan. If there are three time events in list, #1,
#2, #3, and cleanup_time_events() currently at #2 to check whether it is dead.
Now another thread call time_free() on #1 which will increase
time_events_please_scan. Then pa_assert(m->time_events_please_scan == 0); will
fail when iteration ends in cleanup_time_events().
I didn't encounter this case but from code it exists in theory.
Zhang Xin(Wing)
Intel(SSG/OTC) ShangHai China
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