RE: kqueue issue in multithreaded environment
RE: kqueue issue in multithreaded environment
- Subject: RE: kqueue issue in multithreaded environment
- From: Leonardo Bernardini <email@hidden>
- Date: Sat, 11 Jun 2011 12:44:35 +0000
- Importance: Normal
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My main issue was that, after processing each READ event, I was re-issueing the EVREAD event on the socket (that was indeed useless). Under rare condition, this may be done by two concurrent threads at the same time. This lead me to a kernel lock on the FD until I removed the kevent call at all (not required unless you use ONESHOT). My conclusions was that the kevent call on the same FD by multiple threads can produce a race condition, I cannot find another answer to this puzzle...
From: email@hidden
To: email@hidden
Subject: RE: kqueue issue in multithreaded environment
Date: Sat, 11 Jun 2011 12:44:08 +0000
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