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authorEric Wong <normalperson@yhbt.net>2008-10-07 22:11:16 +0200
committerMax Kellermann <max@duempel.org>2008-10-07 22:11:16 +0200
commit7d8c9cc7e31e15b93af7c08f7d03ed8ca10f5454 (patch)
treed492791706dbf323eec84c2331308bf61566af82 /src/song_print.h
parent2b965a5424b9e15f23794c0667c7eff95759dbb5 (diff)
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directory: serialize song deletes from playlist during update
This makes the update code thread-safe and doesn't penalize the playlist code by complicating it with complicated and error-prone locks (and the associated overhead, not everybody has a thread-implementation as good as NPTL). The update task blocks during the delete; but the update task is a slow task anyways so we can block w/o people caring too much. This was also our only freeSong call site, so remove that function. Note that deleting entire directories is not fully thread-safe, yet; as their traversals are not yet locked.
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