Real-time Linux common API

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(Last updated: Jun. 13, 2000)

Lineo Industrial Solutions Group has released an open source Real-Time Common API that allows programmers to code to a common API when using either NMT RTLinux or DIPARM RTAI implementations of real-time Linux. The effort was undertaken subsequent to the Real-Time Linux Workshop held in Austria last December, in response to overwhelming sentiment at that conference in favor of a common real-time Linux API. The new Real-Time Linux Common API is released under the LGPL license and is available for public ftp download.

The new API is described as follows: "The new API is similar to the RTLinux V1 and RTAI APIs. The principal benefit of this compatibility API is that real-time developers can write code that can be compiled and run for both RTLinux and RTAI, without the need for exception code. This approach leads to more maintainable and testable code, reducing the cost of maintaining applications under the real-time projects. Implementation of the real-time Linux common API is a simple matter of including a header file at task compilation time. This header file maps the RTLinux/RTAI calls to one or more native calls, without impacting performance."

In the words of the readme file: "The Realtime Linux Common API is a header file that allows a developer to write Realtime Linux source code that will compile and run under RTAI or NMT RTL. This is done using a series of defines, macros and inline functions. In addition, the common api will allow existing RTAI or NMT RTL source code to be compiled under RTAI and NMT RTL at the same time. This is accomplished by #include'ing the rt_compat.h header file." Common API functions include:

The new common API, which is released under LGPL, is an open source project, owned by the community and improvements and contributions and warmly welcome. The project leader is Stuart Hughes (stuarth@zentropix.com).

The Real-time Linux common API can be downloaded via ftp from here.

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