Re: To, be, posix, or, not, posix...?

[Jorge Visca <xxopxe@...>]

In embedded I've been using nixio[1], mainly because it is already available on a standard OpenWRT installation and thus allows me to completely avoid building C stuff. If I remember right, it uses poll and select.

https://github.com/Neopallium/nixio

Jorge

On Wed, Jan 28, 2015 at 8:29 PM, Björn Kalkbrenner <terminar@cyberphoria.org> wrote:

Von meinem iPad gesendet

> Am 27.01.2015 um 19:45 schrieb Sean Conner <sean@conman.org>:

>
> It was thus said that the Great Meino.Cramer@gmx.de once stated:
>> Hi,
>>
>> currently I am experimenting with a embedded system and
>> need funktions like sleep, ppoll and such in lua.
>>
>> I installed luaposix, because both were documented on the web.
>>
>> But there was neither available via luaposix.
>>
>> A "search" via luarocks shows different other posix related
>> stuff...
>>
>> I am confused...
>>
>> Is there anything better than luaposix which has more posix stuff...
>
>  It depends upon how much of Posix you want.  I have my own Posix layer [1]
> but it's not one single module but a collection of modules.  I have one for
> signals:
>
>    https://github.com/spc476/lua-conmanorg/blob/master/src/signal-posix.c
>
> one for select/poll [2]:
>
>    https://github.com/spc476/lua-conmanorg/blob/master/src/pollset.c
>
> one for process related calls (fork(), wait(), etc)
>
>    https://github.com/spc476/lua-conmanorg/blob/master/src/process.c
>
> one for time releated calls (including sleep) [3]:
>
>    https://github.com/spc476/lua-conmanorg/blob/master/src/clock.c
>
> one for network stuff:
>
>    https://github.com/spc476/lua-conmanorg/blob/master/src/net.c [4]
>
> and one for filesystem related calls:
>
>    https://github.com/spc476/lua-conmanorg/blob/master/src/fsys.c
>
>  The documentation ... could be better, and there are no rockspecs as of
> yet (because of the lack of documentation).  The stuff works (I'm use it for
> both personal and work related projects) and (disclaimer here) I like my API
> better than luaposix or lposix, as I didn't slavishly follow the C API [5]
> (this is probably more noticable in the network API than some of the other
> ones).  Is what I have better than luaposix?  Eh ... hard to say.
>
>  -spc
>
> [1]    https://github.com/spc476/lua-conmanorg
>    There are a few non-Posix modules there as well.
>
> [2]    epoll under Linux; poll otherwise.  select() is available, but only
>    if poll isn't.  The API is the same for all three.
>
> [3]    No support yet for Mac OS-X, which doesn't support the latest Posix
>    spec for time-releated calls.
>
> [4]    Supports IPv4, IPv6 and Unix sockets.  This is a wrapper around the
>    lower level network calls---there's no code that talks HTTP, FTP,
>    SMTP, etc, unlike luasocket.
>
> [5]    If I want the C API, I would use C.
>