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Unmap microdesc cache before replacing it.

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If we do a replace-then-munmap, windows will never actually rewrite
the microdesc cache.

Found by wanoskarnet; bugfix on 0.2.2.6-alpha.
This commit is contained in:
Nick Mathewson
2011-05-12 11:19:52 -04:00
parent b47f574c1e
commit bdff7e3299
2 changed files with 9 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/or/microdesc.c
+3 -2
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@@ -399,10 +399,11 @@ microdesc_cache_rebuild(microdesc_cache_t *cache, int force)
smartlist_add(wrote, md);
}
finish_writing_to_file(open_file); /*XXX Check me.*/
if (cache->cache_content)
tor_munmap_file(cache->cache_content);
finish_writing_to_file(open_file); /*XXX Check me.*/
cache->cache_content = tor_mmap_file(cache->cache_fname);
if (!cache->cache_content && smartlist_len(wrote)) {