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| author | Eric Wong <normalperson@yhbt.net> | 2008-10-07 22:07:34 +0200 |
|---|---|---|
| committer | Max Kellermann <max@duempel.org> | 2008-10-07 22:07:34 +0200 |
| commit | 45334a23e18da4928f53ccb9ecc7afd5f7eca28e (patch) | |
| tree | dba88e561ff5e5989a5aa3e51720f2c273f5f6ab /m4/ao.m4 | |
| parent | bb04c6342e692b39d04126940570a5ade9ca371a (diff) | |
| download | mpd-45334a23e18da4928f53ccb9ecc7afd5f7eca28e.tar.gz mpd-45334a23e18da4928f53ccb9ecc7afd5f7eca28e.tar.xz mpd-45334a23e18da4928f53ccb9ecc7afd5f7eca28e.zip | |
songvec: lock traversals for thread-safe updates/reads
Only one lock is used for all songvec traversals since
they're rarely changed. Also, minimize lock time and
release it before calling iterator functions since they
may block (updateSongInfo => stat/open/seek/read).
This lock only protects songvecs (and all of them) during
traversals; not the individual song structures themselves.
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