Re: Is it possible to run Lua threads in OS threads safely?

[Marc Balmer <marc@...>]

I am adding https://github.com/arcapos/mqlua/ to the list of possibilities.

> Am 13.06.2020 um 23:24 schrieb Oliver <oschmidt-mailinglists@gmx.de>:
> 
> On 13.06.20 20:16, Joseph C. Sible wrote:
>>> On Sat, Jun 13, 2020 at 2:05 PM James Pascoe <james@james-pascoe.com> wrote:
>>> what I am trying to understand is whether it is possible to run individual Lua threads in separate OS threads safely?
>>> No, that's not possible to safely do with stock Lua. Different OS
>>> And also, is it possible for Lua threads running in separate OS threads to communicate?
>> On their own, separate Lua states can't communicate at all. You'd have
>> to use some kind of helper to communicate between them, like Lua Lanes
>> [1] or luaproc [2].
> 
> you also might be interested to have a look at
> 
> - lua-llthreads2 [1] - Low-Level threads for Lua
> - mtmsg [2] - Low-level message buffers for inter-thread communication
> - mtstates [3] - Pass Lua states to other threads
> - mtint [4] - Make threads and coroutines interruptible
> 
> These are orthogonal and low level cross platform packages that can be combined
> and play well together. IMHO they build a simple and minimal base for building
> higher level multi threading constructs in pure Lua.
> 
> Best regards,
> Oliver
> 
> [1]: https://luarocks.org/modules/moteus/lua-llthreads2
> [2]: https://luarocks.org/modules/osch/mtmsg
> [3]: https://luarocks.org/modules/osch/mtstates
> [4]: https://luarocks.org/modules/osch/mtint