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Posted to commits@nuttx.apache.org by GitBox <gi...@apache.org> on 2022/01/06 14:42:18 UTC
[GitHub] [incubator-nuttx] xiaoxiang781216 opened a new issue #5184: Replace all place which use semaphore as lock with mutex wrapper
xiaoxiang781216 opened a new issue #5184:
URL: https://github.com/apache/incubator-nuttx/issues/5184
See the discussion: https://github.com/apache/incubator-nuttx/pull/5070 and https://www.mail-archive.com/dev@nuttx.apache.org/msg07312.html
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[GitHub] [incubator-nuttx] pkarashchenko commented on issue #5184: Replace all place which use semaphore as lock with mutex wrapper
Posted by GitBox <gi...@apache.org>.
pkarashchenko commented on issue #5184:
URL: https://github.com/apache/incubator-nuttx/issues/5184#issuecomment-1008133978
@xiaoxiang781216 will we improve mutex wrapper to check for holder before releasing a mutex or a separate ticket should be created for that? Currently mutex can be released from a task that is not holding it.
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[GitHub] [incubator-nuttx] xiaoxiang781216 commented on issue #5184: Replace all place which use semaphore as lock with mutex wrapper
Posted by GitBox <gi...@apache.org>.
xiaoxiang781216 commented on issue #5184:
URL: https://github.com/apache/incubator-nuttx/issues/5184#issuecomment-1019283890
Yes, this is the safe path to fix the priority inheritance issue.
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[GitHub] [incubator-nuttx] xiaoxiang781216 commented on issue #5184: Replace all place which use semaphore as lock with mutex wrapper
Posted by GitBox <gi...@apache.org>.
xiaoxiang781216 commented on issue #5184:
URL: https://github.com/apache/incubator-nuttx/issues/5184#issuecomment-1008220450
it can be added in the separate PR. Maybe need to enabled in the debug mode to save the space.
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[GitHub] [incubator-nuttx] pkarashchenko commented on issue #5184: Replace all place which use semaphore as lock with mutex wrapper
Posted by GitBox <gi...@apache.org>.
pkarashchenko commented on issue #5184:
URL: https://github.com/apache/incubator-nuttx/issues/5184#issuecomment-1019115983
I think that probably a good way will be to move priority inheritance from sem to mutex and clean-up priority inheritance APIs for semaphores after we switch to mutexes in code
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