Sergey Dmitriev e614da1025 Avoid reading random values for reader options from dangling reference (#300) ...

This patch fixes a problem of reading random values for reader options
in pycapnp. The code which adds task to the list captures 'opts' by
reference and that causes a problem in case when 'opts' is allocated on
on the caller's stack. By the time when task is handled the stack frame
holding the 'opts' is gone which leaves dangling reference to 'opts' in
lambda's captures. As a result pycapnp reads random values for reader
options which sometimes causes unexpected errors (for example an error
that nesting level ius negative).

2022-11-01 13:00:01 -07:00

2.9 KiB

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