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Posted to commits@nuttx.apache.org by GitBox <gi...@apache.org> on 2021/04/05 16:54:51 UTC

[GitHub] [incubator-nuttx] v01d opened a new issue #3347: SIGEV_THREAD

v01d opened a new issue #3347:
URL: https://github.com/apache/incubator-nuttx/issues/3347


   ```
     Description: Implementation of support for SIGEV_THREAD is available
                  only in the FLAT build mode because it uses the OS work queues to
                  perform the callback.  The alternative for the PROTECTED and KERNEL
                  builds would be to create pthreads in the user space to perform the
                  callbacks.  That is not a very attractive solution due to performance
                  issues.  It would also require some additional logic to specify the
                  TCB of the parent so that the pthread could be bound to the correct
                  group.
   
                  There is also some user-space logic in libs/libc/aio/lio_listio.c.
                  That logic could use the user-space work queue for the callbacks.
     Status:      Low, there are alternative designs.  However, these features
                  are required by the POSIX standard.
     Priority:    Low for now
   ```


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[GitHub] [incubator-nuttx] v01d closed issue #3347: SIGEV_THREAD

Posted by GitBox <gi...@apache.org>.
v01d closed issue #3347:
URL: https://github.com/apache/incubator-nuttx/issues/3347


   


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[GitHub] [incubator-nuttx] v01d commented on issue #3347: SIGEV_THREAD

Posted by GitBox <gi...@apache.org>.
v01d commented on issue #3347:
URL: https://github.com/apache/incubator-nuttx/issues/3347#issuecomment-813537337


   Already tracked in #1352 


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