Randy learns to make device nodes for rtheap and rtpXX. Had to use
strace -f to see that it was failing to open /dev/rtheap. After these
are in place problem goes away.
Randy Smith wrote:
Hi everyone,
Using the native skin, I have two heaps that I create in a kernel
module using rt_heap_create. They are of type H_SHARED. I can see
these in the /proc file system. When I cat these files I get...
bash-2.05b# cat
/proc/xenomai/registry/native/heaps/header
type=shared:size=8192:used=8192
bash-2.05b# cat /proc/xenomai/registry/native/heaps/uframe
type=shared:size=538624:used=536576
so I know they exist.
Now, in my user space code, I am trying to use these shared memory
segments by first calling rt_heap_bind to get the uniform descriptor
to use in a subsequent rt_heap_alloc call, but the bind fails with an
errorcode of -2 which doesn't map to the return codes listed in the
documentation.
Any clues?
Am I using the correct calling sequence from user space?
-Randy Smith
Software Engineer
ImageMap, Inc.
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