was not in the provided patch
BUGZ# 58985

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We fork a set number of processes and ensure we stay
at that number.

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long ago when that was the only thing that made it useful. Nowadays,
it really *is* an event-based MPM w/ async/non-blocking i/o.


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Most of the debugs will be removed once more stable.

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- use common code for OpenSSL pre-1.1.0 and
  1.1.0 where possible.


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mod_proxy_http2 in Netware LoadModule list).


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- use SSL_peek instead of looping with
  has_buffered_data().

This fixes t/security/CVE-2009-3555.t where
has_buffered_data() doesn't help, because it
finds the buffered data and doesn't call
SSL_read(), so the reneg handshake isn't
triggered. SSL_peek() for 0 bytes seems to
reliably trigger the reneg in every case.

No more polling/sleeping. The code for the
OpenSSL 1.1.0 case is now again very close to
the pre 1.1.0 case.

Still need to run the full test suite with a
clean build.


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- Fix typo in loop end condition

This code will be removed next. Thex fix is
for the case we want to roll teh code back
to this state.


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- Fix renegotiation for the client side
  of a proxy connection.


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modules and MPMs during build.

Normal modules and MPMs follow different
rules in the config, e.g. we are only
allowed to have one active LoadModule
for an MPM in the config.

As a side effect, LoadModule for MPMs
will now come before LoadModule for
the normal modules.


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Unix Makefile.


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- include in Windows and Netware LoadModule lists
- add to cmake build file
Untested.


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come after most standard modules in configure
and thus will also be added later with
LoadModule to the default Unix httpd.conf file.

This is necessary, because modules/http2 also
contains mod_proxy_http2, which must be loaded
after mod_proxy itself.

The same trick is already in used for some other
modules (see config5.m4 files).


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- fix copy&paste typos
  (wrong version number in "#if").


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