Re: [ANN] Lua 5.4.0 (rc3) now available

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Subject: Re: [ANN] Lua 5.4.0 (rc3) now available
From: Thijs Schreijer <thijs@...>
Date: 2020年5月12日 15:00:07 +0000

On 8 May 2020, at 16:42, Luiz Henrique de Figueiredo <lhf@tecgraf.puc-rio.br> wrote:

Lua 5.4.0 (rc3) is now available for testing at
http://www.lua.org/work/lua-5.4.0-rc3.tar.gz

<snip>

All feedback welcome. Thanks.
--lhf
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I just tested and found that the Windows exit code bug still exists; “print(os.execute('exit -1'))” is returned as an error

(See http://lua-users.org/lists/lua-l/2018-11/msg00321.html )

It should set `errno` before the call and verify not only the result to be -1, but also "errno != 0" to indicate an error.

-1 is a valid return value in this case, similar to for example this Linux function; GETPRIORTITY. See “errors” at http://man7.org/linux/man-pages/man2/getpriority.2.html

Thijs

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Follow-Ups:
- Re: [ANN] Lua 5.4.0 (rc3) now available, Thijs Schreijer

References:
- [ANN] Lua 5.4.0 (rc3) now available, Luiz Henrique de Figueiredo

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