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bug#62604: clarify that libtool is not MT-safe regardless of the underly
From: |
Barnabás Pőcze |
Subject: |
bug#62604: clarify that libtool is not MT-safe regardless of the underlying system |
Date: |
Sat, 01 Apr 2023 16:29:06 +0000 |
To whom it may concern,
The libtool documentation states:
If you wish to use libltdl in a multithreaded environment, then you must
mutex lock around libltdl calls, since they may in turn be calling
non-thread-safe system calls on some target hosts.
(https://www.gnu.org/software/libtool/manual/libtool.html#Thread-Safety-in-libltdl)
which to me seems to imply that if the underlying system is thread-safe,
then libtool is also thread-safe. But this cannot be the case because libtool
- as far as I understand - uses a global unsychronized list for storing handles.
See https://gitlab.freedesktop.org/pipewire/pipewire/-/issues/2834 as well.
Regards,
Barnabás Pőcze
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