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| author | Lars Hjemli <hjemli@gmail.com> | 2006-12-11 22:53:50 +0100 |
|---|---|---|
| committer | Lars Hjemli <hjemli@gmail.com> | 2006-12-11 22:53:50 +0100 |
| commit | fbaf1171b4e343929dd43ecac7cd9d1c692b84ec (patch) | |
| tree | 40b7007b2e1e85f2e91e052b33555df2e9fb5e14 /shared.c | |
| parent | 44923f8953c66dc9b852316b655ab3b5aec9478e (diff) | |
| download | cgit-fbaf1171b4e343929dd43ecac7cd9d1c692b84ec.tar.gz cgit-fbaf1171b4e343929dd43ecac7cd9d1c692b84ec.tar.bz2 cgit-fbaf1171b4e343929dd43ecac7cd9d1c692b84ec.zip | |
Don't truncate valid cachefiles
An embarrassing thinko in cgit_check_cache() would truncate valid cachefiles
in the following situation:
1) process A notices a missing/expired cachefile
2) process B gets scheduled, locks, fills and unlocks the cachefile
3) process A gets scheduled, locks the cachefile, notices that the cachefile
now exist/is not expired anymore, and continues to overwrite it with an
empty lockfile.
Thanks to Linus for noticing (again).
Signed-off-by: Lars Hjemli <hjemli@gmail.com>
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