rtems_set_errno_and_return_minus_one in driver not returning correct value

[Sebastian Huber]

On 11/09/15 10:10, Inderjit Singh wrote:
> Can I presume that using errno with RTEMS does not work? To me I'm 
> baffled that a RTEMS_SUCCESSFULL value must be returned in order to 
> retain the errno value.

The standard drivers are quite primitive. You may have a look at IMFS 
generic nodes, if you want more control:

https://docs.rtems.org/doxygen/cpukit/html/group__IMFSGenericNodes.html

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Sebastian Huber, embedded brains GmbH

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