Suspect it’s a typographical error; read it as “failed”. Do you open the API connection per thread? I suspect you will need to. It’s based on shared memory that may not survive thread spawning in some threading models in Python.
Chris From: vpp-dev-boun...@lists.fd.io [mailto:vpp-dev-boun...@lists.fd.io] On Behalf Of Weitao Han Sent: Monday, July 24, 2017 20:29 To: vpp-dev@lists.fd.io Subject: [vpp-dev] What is "pneum_read filed"? When I use multithreads(python threading) to send msg to vpp, it raises "IOError - pneum_read filed". In vpp_papi.py rv = vpp_api.pneum_read(mem, size, self.read_timeout) if rv: raise IOError(rv, 'pneum_read filed') What does IOError - pneum_read filed mean?
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