FSEvents errors after the removal of a watched directory
FSEvents errors after the removal of a watched directory
- Subject: FSEvents errors after the removal of a watched directory
- From: <email@hidden>
- Date: Wed, 5 May 2010 16:27:40 +0200
- Acceptlanguage: en-US
- Thread-topic: FSEvents errors after the removal of a watched directory
Hi,
I am trying to use FSEvents in my application and the architecture is the following:
- I create a FSEventStream with the right directories to watch
- if the user adds or removes a directory, I delete the current FSEventStream and create a new one with the right values
However, I have some strange errors if I start watching a single directory and then delete it.
The FSEvent callback is correctly called and I delete the current FSEventStream (no need to create a new one since I am not watching any directory anymore).
The errors are the following lines:
-------------8<--------------------
(CarbonCore.framework) process_dir_events: watch_path: error trying to add kqueue for fd 8 (/Users/fabien/Qt/oslo-staging-1/tests/auto/qfilesystemwatcher/testDir; Bad file descriptor)
(CarbonCore.framework) process_dir_events: watch_path: error removing fd 9 from kqueue (Bad file descriptor)
(CarbonCore.framework) process_dir_events: watch_all_parents: error trying to add kqueue for fd 9 (/Users/fabien/Qt/oslo-staging-1/tests/auto/qfilesystemwatcher; Bad file descriptor)
(CarbonCore.framework) process_dir_events: watch_all_parents: error trying to add kqueue for fd 10 (/Users/fabien/Qt/oslo-staging-1/tests/auto; Bad file descriptor)
(CarbonCore.framework) process_dir_events: watch_all_parents: error trying to add kqueue for fd 11 (/Users/fabien/Qt/oslo-staging-1/tests; Bad file descriptor)
(CarbonCore.framework) process_dir_events: watch_all_parents: error trying to add kqueue for fd 12 (/Users/fabien/Qt/oslo-staging-1; Bad file descriptor)
(CarbonCore.framework) process_dir_events: watch_all_parents: error trying to add kqueue for fd 13 (/Users/fabien/Qt; Bad file descriptor)
(CarbonCore.framework) process_dir_events: watch_all_parents: error trying to add kqueue for fd 14 (/Users/fabien; Bad file descriptor)
(CarbonCore.framework) process_dir_events: watch_all_parents: error trying to add kqueue for fd 15 (/Users; Bad file descriptor)
------------->8--------------------
I have no clue about what this is about. My application doesn't crash but these errors worry me, so I am looking for help about the cause.
Thank you.
Best regards,
Fabien
--
Fabien Freling
Software Engineer, Platform team
Nokia, Qt Development Frameworks
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