optional functions for the inter-module API:

* modules/ldap/ldap_private.h: New file, containing "real" function
  declarations, copied from...

* include/ap_ldap.h.in, include/ap_ldap_url.h,
  include/ap_ldap_option.h, include/ap_ldap_init.h,
  include/ap_ldap_rebind.h: ... here.  All declarations changed to APR
  optional function declarations.

* modules/ldap/util_ldap.c (util_ldap_register_hooks): Register all
  the new optional functions.

* modules/aaa/mod_authnz_ldap.c (ImportULDAPOptFn): Pick up optional
  function stub for ap_ldap_url_parse.
  (mod_auth_ldap_parse_url): Use it here.


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PR: 48930.
Submitted by: Peter Schuller <scode spotify com>


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PR: 51398
Submitted by: Christophe Jaillet <christophe jaillet wanadoo fr>


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it where possible.


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thread id under Linux


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connections will be accepted per process


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it does.


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rotation.

* support/rotatelogs.c (post_rotate): New function.
  (usage, dumpConfig): Update.
  (doRotate): Save old filename before rotate; call post_rotate after
  successful rotation.
  (main): Add -p argument.

* docs/manual/programs/rotatelogs.xml: Document -p.

PR: 51285
Submitted by: <sveniu ifi.uio.no>, jorton


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in a few places

Submitted by: Christophe JAILLET <christophe jaillet wanadoo fr>


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Submitted by: Kaspar Brand


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PR: 48215
Submitted by: Kaspar Brand <asfbugz velox ch>


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PR: 44377


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- Process lingering close asynchronously instead of tying up worker threads
  (based on patch by Jeff Trawick).

- If the number of connections of a process is above

     threads_per_child  +  WORKER_OVERCOMMIT * (idle_workers - 1)

  (WORKER_OVERCOMMIT is fixed at 2, at the moment), or if all workers are busy,
  don't accept new connections in that process. Such a dynamic connection limit
  is necessary because we may have both async and non-async (ssl) connections.
  WORKER_OVERCOMMIT should be a config option.

- Don't count idle workers of not-accepting processes against MinSpareThreads,
  so that the parent will spawn new processes when necessary.

- If we receive a keep-alive request while all workers are busy, don't block
  but close the connection immediately so that the client will re-connect to a
  different process.

Related changes:

- Log what is going on at trace loglevels.
- Remove the bypass_push poll type flag, this code cannot be hit anymore
  (if it ever could?).
- Add some macro helpers for dealing with timeout queues.



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in several blocks.

No significant code change.


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PR: 43359
Submitted by: Takashi Sato <takashi lans-tv com>


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This reverts commit d407a566ab24e576a3f143f5c27b2ccf90f5d8da.

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