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A new version (2.1) of the TLSF Dynamic storage allocator (malloc/free), has been released. TLSF has been rewritten to make it faster, easier to port and read; Also a document explaining the internals of TLSF has written Description of the TLSF Memory Allocator Version 2.0.|
Currently RTLinux/GPL is a small, full featured, POSIX like, and fast system. The next step is to add RTLinux/GPL the required robustness to enable it to be used in carrier grade systems. We have developed XtratuM. It is a layer of software that virtualises the processor to allows the execution of several operating systems concurrently providing isolation (both temporal and spacial) between them. Xtratum will (this feature is still not available) provide redundancy at full operating system level. That is, if a system fails, then other domain (operating systems) would recover the state and continue the operation. Another nice feature of XtratuM is to run the guest operating system everywhere. For example: as a stand alone system, or concurrently with Linux, or even on top of Linux as a regular Linux process (in this case, no real time performance can be guarantee). XtratuM is an exciting new project, but it is just a few months old.... so please, be patient and keep visiting its home page: www.xtratum.org. A side effect of XtratuM is that it is free of software patents as far as we know.!! |
Here, in Europe, there are nothing like "software patents". After the negative experience of software patents in USA, we strongly want to live in a FREE of software patents land. If you are an European citizen, wakeup, think, act...
The ethernet card drivers initially used in the RTL-lwIP project are now developed and maintained in a separate project, called: REDD (RTLinux Ethernet Device Drivers).
A child side devoted to dynamic memory/storage allocation in real-time systems: Real-Time Dynamic Storage Allocation.
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Here you will find all the work about RT-Linux done at Group de Informática Industrial. We use RTLinux in different ways:
- As a research tool, where new theory results can be implemented and validated.
- It is used for teaching, since RTLinux is POSIX 1003.1c compatible.
- To control a robot.
RTLinux derived work is covered by the Open RTLinux Patent License. The rest of the code and documentation is provided as is without warranty of any kind. Most of the material not derived from RTLinux is covered by the GPL or the OPL licenses.
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