Update of /cvsroot/mailman/mailman/Mailman
In directory usw-pr-cvs1:/tmp/cvs-serv30000
Modified Files:
Tag: Release_2_0_1-branch
Message.py
Log Message:
Enqueue(): We need to be more careful to avoid a race condition, by
writing the message text to a tmp file, then rotating it into the real
file atomically.
Index: Message.py
===================================================================
RCS file: /cvsroot/mailman/mailman/Mailman/Message.py,v
retrieving revision 1.40
retrieving revision 1.40.2.1
diff -C2 -d -r1.40 -r1.40.2.1
*** Message.py 2 Aug 2000 02:00:13 -0000 1.40
--- Message.py 2 Apr 2002 22:08:02 -0000 1.40.2.1
***************
*** 178,186 ****
dbfp.close()
# If it doesn't already exist, or if the text of the message has
! # changed, write the message file to disk.
if not existsp or dirty:
! msgfp = Utils.open_ex(msgfile, 'w')
msgfp.write(text)
msgfp.close()
--- 178,189 ----
dbfp.close()
# If it doesn't already exist, or if the text of the message has
! # changed, write the message file to disk, but do it atomically so as
! # not to hit a race condition with the qrunner.
if not existsp or dirty:
! tmpfile = msgfile + '.tmp'
! msgfp = Utils.open_ex(tmpfile, 'w')
msgfp.write(text)
msgfp.close()
+ os.rename(tmpfile, msgfile)
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