[PATCH] Fix possible deadlock in stdio locking code
Andreas Schwab
schwab@redhat.com
Tue Oct 18 15:13:00 GMT 2011
Siddhesh Poyarekar <spoyarek@redhat.com> writes:
> 1) thread A pushes the cleanup callback flush_cleanup using
> _IO_cleanup_region_start_noarg()
>
> 2) Some other thread calls pthread_cancel on thread A before it gets
> to call _IO_lock_lock(list_all_lock)
That pthread_cancel call will have no effect until the next cancellation
point.
Andreas.
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Andreas Schwab, schwab@redhat.com
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