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patch to mailcheck missing new emails

X-seq: zsh-workers 31648
From: joe M <joe9mail@xxxxxxxxx>
To: zsh-workers@xxxxxxx
Subject: patch to mailcheck missing new emails
Date: Fri, 9 Aug 2013 14:54:29 -0500
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Hello,

I am noticing that mailcheck is missing some emails while comparing
the files' modification time with the lastmailcheck. It is also
missing any emails created/received while the mailcheck process is
running.

I am attaching the patch that fixes the issue. This is my first patch
to zsh, hence, am not sure if it adheres to any guidelines.

This is a sample of what I noticed on a dual core machine.

date ; echo "mailcheck: $MAILCHECK" ; echo "testing again 123456" |
mail -s `echo $USER` joe@localhost
Fri Aug  9 10:19:03 CDT 2013
mailcheck: 1
- (0:i:~)  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -
date ; echo "mailcheck: ${MAILCHECK}" ; echo "testing again 123456" |
mail -s `echo $USER` joe@localhost
Fri Aug  9 10:19:14 CDT 2013
mailcheck: 1
- (0:c:~)  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -
date ; echo "mailcheck: " ${MAILCHECK} ; echo "testing again 123456" |
mail -s `echo $USER` joe@localhost
Fri Aug  9 10:19:23 CDT 2013
mailcheck:  1
- (0:c:~)  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -
date ; echo "mailcheck: " ${MAILCHECK} ; echo "testing again 123456" |
mail -s `echo $USER` joe@localhost
Fri Aug  9 10:19:27 CDT 2013
mailcheck:  1
- (0:i:~)  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -
date ; echo "mailcheck: " ${MAILCHECK} ; echo "testing again 123456" |
mail -s `echo $USER` joe@localhost
Fri Aug  9 10:19:29 CDT 2013
mailcheck:  1
- (0:i:~)  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -
date ; echo "mailcheck: " ${MAILCHECK} ; echo "testing again 123456" |
mail -s `echo $USER` joe@localhost
Fri Aug  9 10:19:30 CDT 2013
mailcheck:  1
- (0:i:~)  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -
date ; echo "mailcheck: " ${MAILCHECK} ; echo "testing again 123456" |
mail -s `echo $USER` joe@localhost
Fri Aug  9 10:19:31 CDT 2013
mailcheck:  1
- (0:i:~)  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -
date ; echo "mailcheck: " ${MAILCHECK} ; echo "testing again 123456" |
mail -s `echo $USER` joe@localhost
Fri Aug  9 10:19:32 CDT 2013
mailcheck:  1
/home/j/var/maildir maildir has new mail
- (0:i:~)  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -
date ; echo "mailcheck: " ${MAILCHECK} ; echo "testing again 123456" |
mail -s `echo $USER` joe@localhost
Fri Aug  9 10:19:43 CDT 2013
mailcheck:  1
- (0:i:~)  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -
date ; echo "mailcheck: " ${MAILCHECK} ; echo "testing again 123456" |
mail -s `echo $USER` joe@localhost
Fri Aug  9 10:19:44 CDT 2013
mailcheck:  1
- (0:i:~)  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -
date ; echo "mailcheck: " ${MAILCHECK} ; echo "testing again 123456" |
mail -s `echo $USER` joe@localhost
Fri Aug  9 10:19:46 CDT 2013
mailcheck:  1
/home/j/var/maildir maildir has new mail
- (0:i:~)  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -
date ; echo "mailcheck: " ${MAILCHECK} ; echo "testing again 123456" |
mail -s `echo $USER` joe@localhost
Fri Aug  9 10:20:22 CDT 2013
mailcheck:  1
- (0:i:~)  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -
date ; echo "mailcheck: " ${MAILCHECK} ; echo "testing again 123456" |
mail -s `echo $USER` joe@localhost
Fri Aug  9 10:20:23 CDT 2013
mailcheck:  1
- (0:i:~)  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -
date ; echo "mailcheck: " ${MAILCHECK} ; echo "testing again 123456" |
mail -s `echo $USER` joe@localhost
Fri Aug  9 10:20:24 CDT 2013
mailcheck:  1
/home/j/var/maildir maildir has new mail
- (0:i:~)  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -
date ; echo "mailcheck: " ${MAILCHECK} ; echo "testing again 123456" |
mail -s `echo $USER` joe@localhost
Fri Aug  9 10:20:25 CDT 2013
mailcheck:  1
- (0:i:~)  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -
date ; echo "mailcheck: " ${MAILCHECK} ; echo "testing again 123456" |
mail -s `echo $USER` joe@localhost
Fri Aug  9 10:20:26 CDT 2013
mailcheck:  1
/home/j/var/maildir maildir has new mail
- (0:i:~)  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -
date ; echo "mailcheck: " ${MAILCHECK} ; echo "testing again 123456" |
mail -s `echo $USER` joe@localhost
Fri Aug  9 10:20:27 CDT 2013
mailcheck:  1
- (0:i:~)  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -
date ; echo "mailcheck: " ${MAILCHECK} ; echo "testing again 123456" |
mail -s `echo $USER` joe@localhost
Fri Aug  9 10:20:27 CDT 2013
mailcheck:  1
/home/j/var/maildir maildir has new mail
- (0:i:~)  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -
date ; echo "mailcheck: " ${MAILCHECK} ; echo "testing again 123456" |
mail -s `echo $USER` joe@localhost
Fri Aug  9 10:20:28 CDT 2013
mailcheck:  1
- (0:i:~)  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -
date ; echo "mailcheck: " ${MAILCHECK} ; echo "testing again 123456" |
mail -s `echo $USER` joe@localhost
Fri Aug  9 10:20:29 CDT 2013
mailcheck:  1
- (0:i:~)  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -
date ; echo "mailcheck: " ${MAILCHECK} ; echo "testing again 123456" |
mail -s `echo $USER` joe@localhost
Fri Aug  9 10:20:30 CDT 2013
mailcheck:  1
/home/j/var/maildir maildir has new mail
- (0:i:~)  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -
date ; echo "mailcheck: " ${MAILCHECK} ; echo "testing again 123456" |
mail -s `echo $USER` joe@localhost
Fri Aug  9 10:20:36 CDT 2013
mailcheck:  1
- (0:i:~)  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -

Thanks
Joe

Attachment: 0001-mailcheck-is-missing-new-emails-on-a-dual-core-machi.patch
Description: Binary data

Follow-Ups:
- Re: patch to mailcheck missing new emails
  - From: Peter Stephenson

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