socket to non blocking mode.

Submitted by: Matt Stevenson <mavricknzwork yahoo.com>
Reviewed by: rpluem


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  they are. This is needed since it can happen that we are signaled by a
  worker thread that went idle but received a context switch before it could
  tell us. If it does signal us later once it is on CPU again there might be
  no idle worker left. See
  https://issues.apache.org/bugzilla/show_bug.cgi?id=45605#c4

PR: 45605
Submitted by: Denis Ustimenko <denusk gmail.com>
Reviewed by: rpluem


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are available to be dropped, should they be idle long
enough.
PR 43371


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  a brigade each time.

PR: 45687
Submitted by: Dan Poirier <poirier pobox.com>
Reviewed by: rpluem


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PR 39045


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PR 43250, patch by Basant Kumar Kukreja


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value.
PR: 45762
        Dan Poirier <poirier@pobox.com>


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PR#44995 - Rainer Jung


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faked directly after login.


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within the output headers and error output headers, so that the
session is maintained across redirects.


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after a form login. Fixes a missing REMOTE_USER variable directly
following a login.


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included in the blank cookie when cookies are removed. This fixes an
inability to log out when using mod_auth_form.


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  pooled connections if the client connection is an initial connection.
  This avoids the "proxy: error reading status line from remote server"
  error caused by the race condition that the backend server closed the
  connection after the connection check on our side and before our data
  reached the backend. Yes, this downgrades performance, especially with
  HTTP/1.0 clients. Hence it is configurable and off by default.

PR: 37770


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  workers.

PR: 45445
Submitted by: rahul <rahul sun.com>
Reviewed by: rpluem


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entries when walking a DAV fs, resolving a performance degradation on
Windows.

PR: 45464


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     query that has consecutive '+' characters in the QUERY_STRING,
     matching the behavior of mod_cgi.



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to mod_auth_digest.  PR 45196



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to account for the short-lived API addition/removal.


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Submitted by: David Shane Holden <dpejesh apache.org>
Reviewed by: rpluem


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  edit and deleting the remaining ones by iterating over all headers
  with the same name.

PR: 45333


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is configured to use an incompatible provider via AuthnProviderAlias.
PR 45196 



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Moved the NOESCAPE test down after PATH_INFO, and preserve the query string in r->filename if  
NOESCAPE (which implies "no-canon")

Previously this was only done for CONNECT requests, where (r->uri == r->unparsed_uri)
see mod_proxy:proxy_detect



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by attempting to set up an IPv4 listener which overlaps with an 
existing IPv6 listener.

The failure occurred on the second pass of the open-logs hook in
a configuration such as the following:

  Listen 8080
  Listen 0.0.0.0:8081
  Listen [::]:8081

During the first pass, the two port 8081 listen recs were 
adjacent and existing logic prevented binding to 0.0.0.0:8081.
On the second pass, they were not adjacent and we then tried
to bind to 0.0.0.0:8081, leading to failure on some platforms
(seen on SLES 9 and Ubuntu 7.10, not seen on many other Unix-ish
platforms).

Leave a note about other unhandled configurations.


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