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config: allow to specify flags when registering modules.

First one is AP_MODULE_FLAG_ALWAYS_MERGE.


mod_ssl: follow up to r1809302.

Make use of AP_MODULE_FLAG_ALWAYS_MERGE.


config: follow up to r1809302.
We need to check that the module itself is at the right version.


config: follow up to r1809302.

Provide a convenient function to get module flags, and remove useless
AP_MODULE_HAS_FLAGS checks in the core, core's version is at current MMN.


config: follow up to r1809302.
Associate ap_get_module_flags() to MMN bump.


On the trunk:

mod_ssl: make the new module flag used.


Submitted by: ylavic, icing
Reviewed by: icing, ylavic, covener


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core, mpm_event: Add ap_update_sb_handle() to avoid a small memory leak of
sizeof(ap_sb_handle_t) when re-entering event's process_socket().


Follow up to r1802618: CHANGES entry.


Proposed by: ylavic
Reviewed by: ylavic, icing, jim


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event: update worker score keepalive status.

Correct regressions introduced in r1137358 and r1740910.

The conn_rec context may be passed only when setting up the
initial connection, otherwise the request info is trashed.


Follow up to r1740910: CHANGES entry.


Submitted by: ylavic, wrowe, ylavic
Reviewed by: ylavic, icing, jim


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Join the previous proposal with another one (leak fix), not really
related but code conflicts...



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APR-ize uint types

Submitted by: jim
Reviewed by: covener, jim, ylavic


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PR61891: looping over mostly full LDAP cache

  *) mod_ldap: Fix a case where a full LDAP cache would continually fail to
     purge old entries and log AH01323. PR61891.


Submitted By: Hendrik Harms <hendrik.harms gmail.com>
Committed By: covener
Reviewed By: covener, jim, ylavic


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Save a few bytes in the conf pool when handling 'ProxyHTMLDoctype' directive with a user defined  FPI


Submitted by: jailletc36
Reviewed by: jailletc36, niq, jim


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mpm_event: close connections not reported as handled by any module.

This avoids losing track of them and leaking scoreboard entries.
PR 61551.


mpm_event: follow up to r1818804.

Address corner case where connection is aborted due to ap_run_pre_connection()
failure, and update comment about ap_run_process_connection() expected return
status and state.


mpm_event: follow up to r1818804 and r1818951.

Align comment and fix typos.


mpm_event: follow up to r1818804.

Allow DONE as a successful ap_run_process_connection() return value, for
instance h2_conn_run() and h2_task_process_conn() uses it, third-party
modules may too...


mpm_event: follow up to r1818804 and r1818951.

Be more correct in comment about CONN_STATE_WRITE_COMPLETION.
We currently have/need no state to simply wait for readability on a socket,
so the previous comment was misleading. Write completion can't be used for
a simple "wait for read event and come back to process_connection hooks".


mpm_event: follow up to r1818804 and r1818960.

Align mod_http2 with expected returned state from process_connection hooks in
async MPMs.
When the master connection is handled, enter CONN_STATE_LINGER in any case.


Add missing APLOGNO


Submitted by: ylavic, jailletc36
Reviewed by: ylavic, icing, covener


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core: deregister all hooks before leaving pconf, otherwise some late cleanup
or function call (e.g. ap_log) may use one while DSOs are unloaded.

See PR 61558 (double/second fault).


core, MPMs unix: follow up to r1809881.

Deregister all hooks first (in pre_cleanup), by doing it last we could still
have had them run when DSOs were unloaded.

Likewise, avoid double faults when handling fatal signals by restoring the
default handler before pconf is cleared (we can't ap_log_error there).

Finally, we need to ignore sig_term/restart (do nothing) when the main
process is exiting (i.e. ap_pglobal is destroyed), since retained_data are
freed.

Aimed to fix all faults in PR 61558.


MPMs unix: follow up to r1809881 and r1809973.

unset_signals() is called when ap_pglobal is destroyed too.


Follow up to r1809881: CHANGES entry.


Reviewed by: ylavic, jim, covener


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No need to reset Stefan\'s vote I guess...


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Backport of r1820101 from trunk plus year
update in docs/manual/style/xsl/common.xsl.


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