Add explanatory comment.

pull/19988/head
Richard Belleville 6 years ago
parent 235b27257c
commit 967f55efd6
  1. 2
      src/python/grpcio/grpc/_cython/_cygrpc/channel.pyx.pxi

@ -165,6 +165,8 @@ cdef _next_call_event(
"""
try:
tag, event = _latent_event(c_completion_queue, deadline)
# NOTE(rbellevi): This broad except enables us to clean up resources before
# propagating any exceptions raised by signal handlers to the application.
except:
if on_failure is not None:
on_failure()

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