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Date: Sat, 7 Mar 2015 17:10:42 -0500
From: Rich Felker <dalias@...c.org>
To: musl@...ts.openwall.com
Subject: Re: Does Musl offer a thread-safe and non-dynamically
allocating version of strsignal?
On Sat, Mar 07, 2015 at 09:51:24PM +0000, Steven Stewart-Gallus wrote:
> Hello,
>
> I am currently using Musl Libc to test the portability of some of my
> code and while porting my code over I found a small deficiency. This
> annoyance is not a big deal as I am not currently using Musl in
> production but I thought I should let you know anyways so that Musl
> can be improved and that other people might benefit. Currently with
> GLibc I use the deprecated sys_siglist static array of string names
> for signals to get the names of signals (this might actually be the
> signal that a process I am monitoring receives and not just the kind
> the current process's libc knows about) in a thread safe way without
> the complications of dynamic memory allocation. Obviously, I could
> just use the strsignal function but I do not know if strsignal is
> thread safe or dynamically allocates memory. Does Musl offer a
> thread-safe and non-dynamically allocating version of strsignal?
Both strsignal and strerror in musl return immutable strings, and are
fully thread-safe.
Rich
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