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- Subject: [ANN] DarkSideSync 1.0 release: thread synchonization library
- From: Thijs Schreijer <thijs@...>
- Date: Tue, 14 May 2013 07:45:46 +0000
DarkSideSync is a helper library to create Lua bindings for multithreaded libraries.
It is useful for a very specific usecase; libraries that need to be 'started' and then run their own threads/threadpools in the background on which they perform callbacks to the receiving end (Lua in this case). Examples of these are pupnp  and OpenZwave  for example.
Documentation is on github  (including an overview and some diagrams ) as is the source code .
So far I tested it successfully on Windows7, Ubuntu 10 and Raspberry Pi.
- It is very generic and cross platform. Because DSS
takes care of threads, locks and (optionally) sockets,
a library binding for an async library may require no
platform specific code and still work cross-platform
- It is setup as a separate library, loaded from Lua, no
C links. It, sort of, dynamically extends the Lua C api
- Supports async callbacks that only deliver data (the
callback thread is not blocked)
- Supports async callbacks that need a response (the
callback thread is blocked until the Lua side response
has been delivered)
- Supports multiple async background libraries
- Supports multiple concurrent Lua states
- It has been setup with the intend to support multiple
versions of the DSS API, so in the future multiple
background libraries can use a single DSS library, while
talking to different versions of the API
- optional UDP notifications. The notification is also
platform independent and even network library independent
(eg. not bound to LuaSocket) any network library
supporting UDP will do (this is the reason for not using
file descriptors or pipes)
Comments are welcome.
PS. Rockspec has just been submitted, so after it lands on the rocks server it can be installed using LuaRocks