[cvsnt] Locking??

Tony Hoyle tmh at nodomain.org
Fri Jan 31 10:14:51 GMT 2003

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On Fri, 31 Jan 2003 02:29:23 -0500, "Keith D. Zimmerman"
<kzimmerman at eshcom.com> wrote:

>While doing the following:
>	cvs -d :ssh:user at servername:/cvsroot co module
>And doing this on another computer:
>	cvs -d :ssh:user at servername:/cvsroot rtag -F -R -b tagName
>The computer that is doing the rtag gets this error:
>	waiting for SYSTEM's lock in
>Note that module is very large - many files/folders are being checked
>out, but does checkout do a lock?  Why?  I can see that rtag would need
>to do a lock, but why checkout?
Checkout does a read lock.  You can have multiple read locks on a
repository.  However rtag needs a write lock, which is an exclusive
lock, and can't happen until all reads of the repository have finished
(you don't want the checkouts to get inconsistent copies of the


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