This should protect against a SEGV observed under load for file caches.
This is a backport of ae1fcd1142a7570dd97473edb54555d63b5377f0, originally authored by @abh3.
Note: I'm not sure if there will be further releases in the 4.8.x series, but I wanted to make sure we at least had a PR we can point sites at if they had questions about this issue.
You can view, comment on, or merge this pull request online at:
https://github.com/xrootd/xrootd/pull/863
-- Commit Summary --
* [POSIX] Avoid SEGV due to race condition between open() and close().
-- File Changes --
M src/XrdPosix/XrdPosixCallBack.hh (2)
M src/XrdPosix/XrdPosixFile.cc (85)
M src/XrdPosix/XrdPosixFile.hh (11)
M src/XrdPosix/XrdPosixFileRH.cc (1)
M src/XrdPosix/XrdPosixPrepIO.cc (22)
M src/XrdPosix/XrdPosixPrepIO.hh (2)
M src/XrdPosix/XrdPosixXrootd.cc (2)
-- Patch Links --
https://github.com/xrootd/xrootd/pull/863.patch
https://github.com/xrootd/xrootd/pull/863.diff
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