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Merge remote-tracking branch 'public/bug2077_share_delete' into maint-0.2.4

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This commit is contained in:
Nick Mathewson 2013-06-12 10:00:33 -04:00
commit 3bdc4e5fee
2 changed files with 8 additions and 1 deletions
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7
changes/bug2077_share_delete Normal file
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@ -0,0 +1,7 @@
o Major bugfixes (windows):
- Open files to be mapped with FILE_SHARE_DELETE so that we can
replace them before closing the mapping. This is a likely cause of
warnings and crashes when replacing the microdescriptor cache
file. Diagnosed based on comments by "doorss" and by Robert
Ransom. Possible fix for bug 2077; bugfix on 0.2.2.6-alpha.

2
src/common/compat.c
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@ -248,7 +248,7 @@ tor_mmap_file(const char *filename)
strlcpy(tfilename,filename,MAX_PATH);
#endif
file_handle = CreateFile(tfilename,
GENERIC_READ, FILE_SHARE_READ,
GENERIC_READ, FILE_SHARE_READ|FILE_SHARE_DELETE,
NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL,