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Posted to commits@nuttx.apache.org by GitBox <gi...@apache.org> on 2020/04/07 17:11:46 UTC
[GitHub] [incubator-nuttx] xiaoxiang781216 edited a comment on issue #619:
Uninterruptible semaphore waits breaks cancellation.
xiaoxiang781216 edited a comment on issue #619: Uninterruptible semaphore waits breaks cancellation.
URL: https://github.com/apache/incubator-nuttx/issues/619#issuecomment-610510939
@patacongo semaphore has two usage in NuttX:
1.Protect the shared data just like a light pthread_mutex_t
2.Signal something happen just like a light phtread_cond_t
Should we return -ECANCEL/-EINTR just only for item 2?
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