Wayland Gains Client/Server-Side Language Bindings
Written by Michael Larabel in Wayland on 19 August 2013 at 10:06 PM EDT. 8 Comments
Wayland has gained support for client and server-side programming language bindings.

In work done by Jason Ekstrand, Wayland now has support for server-side language bindings and client-side language bindings to allow for better interaction with Wayland via different programming languages.

Ekstrand's commit message describes the work (that's similar on both the client and server sides) as:
1. Adding a wl_resource_set_dispatcher function that corresponds to wl_resource_set_interface. The only difference between the two functions is that the new version takes a dispatcher along with the implementation, data, and destructor. This allows for runtime calling of native language functions for callbacks instead of having to generate function pointers.

2. Adding versions of wl_resource_post_event and wl_resource_queue_event that take an array of wl_argument instead of a variable argument list. This allows for easier run-time argument conversion and removes the need for libffi-based calling of variadic functions.

The work was merged to Wayland Git master today making the language bindings a feature of Wayland 1.3.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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