or restarts.

New processes aren't able to start all their threads right away
if other dying processes share the same scoreboard real estate.
So give empty process slots in the scoreboard top priority.


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implement the XbitHack directive.  This can't be done with a
fixup, because we need to check the content-type, which is
only available in the handler phase.
PR:     7751


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the filter chain.  If a lower level filter returns an error, then
the request needs to stop immediately.  This allows mod_include to
stop parsing data once a lower filter recognizes an error.
PR:	8102


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and have those methods <limit>able in the httpd.conf. It uses
the same bit mask/shifted offset as the original HTTP methods
such as M_GET or M_POST, but expands the total bits from an int to
an ap_int64_t to handle more bits for new request methods than
an int provides.
Submitted by:	Cody Sherr <csherr@covalent.net>


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  Solve the merge bugs, by storing a copy bit to save us a ton of
  reallocation in the merge config phase.  Should keep most of the
  savings realized by moving to tables.

  Need others to vet this code, please!  Look at this and the prior
  patch as a single diff (-r n -r n-2) to see the overall changes.


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  Ok, this looks better to me this morning, and suggests others who have
  dabbled a bit.


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  If I forgot anyone, please holler.


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it is necessary to check for the generation as well as "quiescing", in the
case of a restart where no workers have seen the PoD yet.


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apr_stat() call in directory walk (because discovering the permissions on
Windows is ridiculously expensive).  All we really need to know is whether the
file exists.


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up with anything better.  This is a multiple-worker/single listener MPM.
This MPM is definately not complete, but it is a first step in the
right direction.


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Also prevent multiple active processes from using the same scoreboard slot.


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  Now that the version is bumped... time to log some new efforts.


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  Uh... whats with that -dev?


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  That's it for that version...


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apr_thread_t * to apr_thread_join().  Now we clear the array
of apr_thread_t * initially so we can track which threads we
actually created.

Other changes:

don't clobber storage by passing bogus array entry as 1st
parameter to apr_thread_create() to create the start_threads()
thread

join up with the start_threads() thread at termination so that
it is cleaned up and so that no worker threads are still being
created


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This includes two changes to APR:
  * new functions apr_itoa, apr_ltoa, and apr_off_t_toa
    that provide itoa-type functionality based on pools
  * Inline code in inet_ntop4 to replace sprintf for converting
    binary IP addresses into dotted-decimal format

and two changes to Apache:
  * use the apr_itoa functions in setting the content length,
    in place of apr_psprintf
  * use the apr_itoa functions to replace frequent uses of
    'sprintf("%d",...)' in mod_log_config.

Submitted by: Brian Pane
Reviewed by:  Dean Gaudet, Greg Ames


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where HEAD response headers were being repeated twice for
files greater than 32K bytes (4*AP_MIN_BYTES_TO_WRITE). This
problem in the http_header filter was exposed by the recent rewrite
of the content_length filter.
[Taketo Kabe, Bill Stoddard]

PR: 8037


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used to appear as '(none', without the closing paren.
Submitted by:	G�nter Knauf <eflash@gmx.net>


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work around problems in the awk script by avoiding some #if and
#ifdefs.  This has bitten us many times in generating the exports.c
file.  This improvement allows corrects the header file parsing.

Submitted by:	Sander Striker <striker@apache.org>


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  Truncate the working set in ab by introducing a connection pool.


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modules to have access to the scoreboard at the time that it is
created, and at every restart request.
Submitted by:	Cody Sherr <csherr@covalent.net>
Reviewed by:	Ryan Bloom


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Changed AP_MPMQ_MAX_DAEMONS to refer to MaxClients and
added an AP_MPMQ_MAX_DAEMON_USED to refer to the highest
daemon index actually used in the scoreboard. I also
updated the pertinent calls.

Paul J. Reder


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the Apache child process, CGI scripts, rotatelog process
etc.  If the Apache child process segfaults, any processes
that the child started are not reaped. Prior to this fix,
these processes inherited the listening sockets which sometimes
prevented the restarted Apache child process from accepting
connections (ie, the server would hang).

The Sleep(1000) is a bit of a hack but it is sufficient I believe. All
that is really necessary is for the parent to give up its quantum and
allow the child to run. I could not get WaitForInputIdle to work properly.
Will investigate alternative solutions later.


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when the parent process wakes up a server process via connect(), use
an APR timeout on the connect() so that we don't hang for a long time
if there aren't server processes around to do accept()


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spends a lot of time in apr_table_get calls.  Using the default
httpd.conf, the tables for languages and charsets are somewhat
large, so the time spent scanning them on each request is
significant. Replacing the tables with hash tables provides
a nice speedup. [Brian Pane <bpane@pacbell.net>]

Had to handmerge a lot of this patch so please review! Dean had some suggestions
for improvement which are not currently implemented.

Submitted by:	Brian Pane
Reviewed by:	Bill Stoddard


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scoreboard.  This allows modules compiled for one MPM to access the
scoreboard, even if it the server was compiled for another MPM.

Submitted by:	Harrie Hazewinkel <harrie@covalent.net>


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CGI scripts was being buffered in the brigade before any of it was
written to the network. cl filter now honors flush and implements a
buffer threshold.


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Move the heading for 2.0.19 down to where it goes and add a note about
having fixed the threaded MPM bug that killed 2.0.19 in the first place.


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