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On 11/27/2017 09:42 AM, Yubin Ruan wrote:
Still remember this thread? It turn out that determining whether or not you are currently in a signal handler is trivial with libunwind:
This is incorrect. libunwind (or any other unwinder) relies on information which is not always available. And since you need to unwind the stack completely (if not executing in a signal handler), it is very slow.
Thanks, Florian
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