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glibc support for allocating alternate signal stacks
From: |
Florian Weimer |
Subject: |
glibc support for allocating alternate signal stacks |
Date: |
Thu, 20 May 2021 14:28:24 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) |
I've posted a proposal to provide an interface for allocating stacks
in glibc:
Misc: Add <sys/cstack.h> and the cstack_* family of functions
<https://sourceware.org/pipermail/libc-alpha/2021-May/126608.html>
This is based on our observation that many applications use static
buffers for alternate stacks, which is not thread-safe.
I'd appreciate If you could comment here or on libc-alpha based on your
experience with alternate signal stacks.
Thanks,
Florian
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