Divided into 3 classes, this implements the first two;

 * AcceptFilter 'data' - much as on Unix, accept will not complete
   until data is ready to be accepted.  Unlike Unix, it will actually
   fetch the first bucket full of data from the tcp socket, and this
   patch implements passing that bucket into the core net brigade
   in front of the accepted socket.

 * AcceptFilter 'connect' - just as in Apache 2.2, accept will not
   complete until three way handshake is complete and the endpoints
   are resolved, and quickly grabs the endpoint addresses using the
   AcceptEx API (which some people have problems with).  This will
   not be the default.

 * AcceptFilter 'none' [not yet implemented] - will be the traditional
   select/WSAAccept style processing for broken network socket stacks
   and more trivial tcp style connections.  If AcceptEx appears to be
   a problem, the listener will be able to downgrade to 'none'.



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tweak the referral/hoplimit ldap option logic to save the failure reason in the util_ldap_connection_t for later logging

old error log message:
  auth_ldap authenticate: user wbush authentication failed; URI /ldap-status [(null)][Can't contact LDAP server]
new error log message:
  auth_ldap authenticate: user wbush authentication failed; URI /ldap-status [Unable to set LDAP_OPT_REFHOPLIMIT.][Can't contact LDAP server]


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Addon to r734973.


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for rotatelogs.

Prefer adding reliable piped logs to the error
loggers in httpd, so that one could simply
kill rotatelogs and httpd automatically starts new
instances of all loggers.


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  recover.


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Translated by: Nilgün Belma Bugüner <nilgun belgeler.org>
Reviewed by:  Orhan Berent <berent belgeler.org>

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	module & code tagging.


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 docs a little - thanks rpluem!


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PR: 46275

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time and size based rotation for rotatelogs.


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- checkRotate() notes the reason for rotation
- rename a few variables
- rename some macros and introduce a few more


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- remove 'now' from status struct. We only need it locally.
- add 'static' to function declaration, although the code
  is still in a single file
- change signature of get_now()
- make argument count check easier to understand


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of APR_HAVE_* and system header inclusion.


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using HUP and INT signals to the rotatelogs process.

This is helpful, when log activity is low, but you want
rotatelogs to close the open log files.

SIGHUP triggers checking the rules given during startup,
SIGINT forces rotate independently form those rules.

When the signal triggers a rotation, the open file
is closed immediately. The new file is opened when
new log data arrives, or in case "-f" was given it
is opened immediately.

Based on my patch in BZ 44427.

Note on Windows: The new functionality is undefined when
SIGHUP or SIGINT are not available. Does the use case
make sense on Windows? If so, which signals should we use?


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Mainly cleanup plus correct decision in checkRotate()
if status->nLogFD is NULL.


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- Fix compilation error
- set correct time when forcing log file open
  on startup


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of signal triggered log rotation.

- move code into new functions checkRotate() and doRotate()
- bundle config data and runtime data in two structs to
  allow easier passing to functions
- Simplify bypass_io logic as a first use case for doRotate
  and rename flag to force_open to reflect the new logic



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PR: 46508
Submitted by: <tlhackque yahoo.com>
Reviewed by: rpluem


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