Fix GH-12232: FPM: segfault dynamically loading extension without opcache

Also fixes incorrect assertion in ini init that php_dl is always
temporary.

Closes GH-12277

Fix bug #64539: FPM status - query_string not properly JSON encoded

Closes GH-11050

Fix FPM tester $scriptName logic

Add extra option to FPM tester for handling script filename

Introduce max_multipart_body_parts INI

This fixes GHSA-54hq-v5wp-fqgv DOS vulnerabality by limitting number of
parsed multipart body parts as currently all parts were always parsed.

Fix bug #68207: Setting fastcgi.error_header can result in a WARNING

Introduce TEST_FPM_EXTENSION_DIR for FPM tests with shared extensions

Fix GH-9754: SaltStack hangs when running php-fpm 8.1.11

SaltStack uses Python subprocess and redirects stderr to stdout which is
then piped to the returned output. If php-fpm starts in

Fix GH-9754: SaltStack hangs when running php-fpm 8.1.11

SaltStack uses Python subprocess and redirects stderr to stdout which is
then piped to the returned output. If php-fpm starts in daemonized mode,
it should close stderr. However a fix introduced in GH-8913 keeps stderr
around so it can be later restored. That causes the issue reported in
GH-9754. The solution is to keep stderr around only when php-fpm runs in
foreground as the issue is most likely visible only there. Basically
there is no need to restore stderr when php-fpm is daemonized.

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Rework FPM tests logging for better debugging

Fix bug #77780: "Headers already sent" when previous connection was aborted

This change primarily splits SAPI deactivation to module and destroy
parts. The reason is that currently some

Fix bug #77780: "Headers already sent" when previous connection was aborted

This change primarily splits SAPI deactivation to module and destroy
parts. The reason is that currently some SAPIs might bail out
on deactivation. One of those SAPI is PHP-FPM that can bail out on
request end if for example the connection is closed by the client
(web sever). The problem is that in such case the resources are not
freed and some values reset. The most visible impact can have not
resetting the PG(headers_sent) which can cause erorrs in the next
request. One such issue is described in #77780 bug which this fixes
and is also cover by a test in this commit. It seems reasonable
to separate deactivation and destroying of the resource which means
that the bail out will not impact it.

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Fix GH-8885: access.log with stderr writes logs to error_log after reload

This fix allows restoring the the original stderr so the logs are
correctly written.

Add FPM test for php_admin_value doc_root usage

Closes GH-7673.

Increase read timeout in FPM process idle test

Add FPM prod idle timeout test with 6s sleep

Revert "Add FPM prod idle timeout test"

This reverts commit 08f52b1643d7a068e30c0abf5e1cad359f0eed06.

The newly added test fails.

Add FPM prod idle timeout test

Max spawn child processes rate an once

* Add functionality to expect log config options

Fix bug #80024: Duplication of info about inherited socket after pool removing

Add support for openmetrics formatting to FPM status

Fix bug #69625: FPM returns 200 status on request without SCRIPT_FILENAME

Skip fpm tests not designed to be run as root

When running as root with TEST_FPM_RUN_AS_ROOT=1

Allow fpm tests to be run with long socket path

Socket path is restricted to ~100 bytes, so we can use
the system temp dir if the path ends up too long.

Allow numeric [UG]ID in FPM listen.{owner,group}

Add sleep in FPM reload test

Explicitly mark the point where we have to wait.

Increase select timeout in FPM tester

Let's see if that helps with the recent failure spree on Azure.