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Re: permissions (and other) problems

From: Philip Martin <philip_at_codematters.co.uk>
Date: 2002-09-12 22:34:34 CEST

Garrett Rooney <rooneg@electricjellyfish.net> writes:

> I like this idea.
> The client calls some function (svn_set_cancelation_handler() ?) which
> sets the function to be called by SVN_ERR(). then SVN_ERR() can call
> it (if it's been set) and if so, it returns the error.
> We can't just have a global variable, it's got to be something that
> can be controlled by the client application, but other than that i
> really like this idea.

Another way would be to provide a function that the client
application's signal handler calls to indicate that a cancellation
should occur, e.g. have svn_async_cancel() called by the signal
handler rather than svn_set_cancelation_handler() by the main
code. That might make for a more efficient SVN_ERR implementation.

Either way, the interaction with a multi-threaded Subversion client
needs to be considered, even if it's only to document what happens.
E.g. to say that svn_set_cancelation_handler affects all threads or
that svn_async_cancel affects one thread.

Philip Martin
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Received on Thu Sep 12 22:35:09 2002

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