New submission from Cy <[email protected]>:
I want to wait on curl_multi_wait which messes up python's signal handling
since libcurl doesn't know to exit the polling loop on signal. I created a pipe
that curl could read from when python registered a signal, and
PySignal_SetWakeupFd would write to the pipe, thus letting curl leave its
polling loop, letting my C module return an exception condition.
Except PySignal_SetWakeupFd cannot be used.
In Modules/signalmodule.c, it says:
int
PySignal_SetWakeupFd(int fd)
when it should say:
PyAPI_FUNC(int)
PySignal_SetWakeupFd(int fd)
This probably isn't a problem for most, since gcc has visiblity=public by
default, but I guess Gentoo's process for building python sets
-fvisibility=hidden, so I can't access it, and all Microsoft users should have
no access to PySignal_SetWakeupFd, since Microsoft does have hidden visibility
by default.
----------
components: C API
messages: 401810
nosy: cy
priority: normal
severity: normal
status: open
title: API function PySignal_SetWakeupFd is not exported and unusable
type: behavior
versions: Python 3.9
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Python tracker <[email protected]>
<https://bugs.python.org/issue45201>
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