Fixed SEGFAULT when calling remove_event_detect() and added epoll_ctl() return code handling #257
+84
−36
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* Added more elaborate epoll() error logging
* Added comments * Added debug logging * Line 724 - now <initial> flag is properly reset upon removal of event detection from GPIO pin
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@zsserg thanks for creating this pull request! I will test out and merge if no issues. |
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Hi!
This is a follow-up for the PR #233 - as the library uses 2-tier system for callbacks and #233 patched only one place, it still kept crashing on rare occasions. I implemented the same approach to work around it.
Besides that, I made more elaborated the syslogged error messages from epoll_ctl() to make it easier to understand what the problem might be. epoll_ctl() has around 15 different return error codes, before this PR the library just reported general error without any details. Now it actually logs the epoll_ctl() error code, if any.