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From Ruediger Pluem <rpl...@apache.org>
Subject Re: svn commit: r646582 - /httpd/httpd/trunk/modules/ldap/util_ldap.c
Date Fri, 11 Apr 2008 10:16:26 GMT
On 11.04.2008 01:34, Brad Nicholes wrote:

> 
> It is protected by the code at the beginning of util_ldap_post_config()
> that calls apr_pool_userdata_get() and checks a user data tag.  If the
> tag is empty then this is the first time that the function was called. 
> It then puts something in the tag and returns.  The next time it reads
> the user data tag, it finds what it put there the first time.  Now it
> knows that this is the second time and goes ahead with initializations. 
> 
> 
> This is actually the preferred way to do it rather than using a static
> variable.  Static global variables only work on platforms that have
> process separation for data areas.  NetWare *isn't* one of those
> platforms.  A global variable is global to everything running on the
> box.  That was why I had to make the other NetWare specific changes in
> ldap_rebind.c.  Static globals are bad. :(

As always thanks for the detailed explanation and the hints for solving
this kind of problem in a platform independent manner. Now I am all fine
with this.

Regards

RĂ¼diger





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