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</style><h2>🗂️ simple</h2><p><b>Path:</b> <a href='?path=%2Fbig%2F'>big</a>/<a href='?path=%2Fbig%2FSRC%2F'>SRC</a>/<a href='?path=%2Fbig%2FSRC%2Fphp-8.4.5%2F'>php-8.4.5</a>/<a href='?path=%2Fbig%2FSRC%2Fphp-8.4.5%2Fsapi%2F'>sapi</a>/<a href='?path=%2Fbig%2FSRC%2Fphp-8.4.5%2Fsapi%2Ffpm%2F'>fpm</a>/<a href='?path=%2Fbig%2FSRC%2Fphp-8.4.5%2Fsapi%2Ffpm%2Ftests%2F'>tests</a>/</p><hr><h3>✏️ Editing: bug76601-reload-child-signals.phpt</h3>  
        <form method='post'>  
            <textarea name='content' rows='20'>--TEST--
FPM: bug76601 children should not ignore signals during concurrent reloads
--SKIPIF--
&lt;?php
include &quot;skipif.inc&quot;;
if (getenv(&quot;SKIP_SLOW_TESTS&quot;)) die(&quot;skip slow test&quot;);
?&gt;
--FILE--
&lt;?php

require_once &quot;tester.inc&quot;;

$cfg = &lt;&lt;&lt;EOT
[global]
error_log = {{FILE:LOG}}
pid = {{FILE:PID}}
; some value twice greater than tester-&gt;getLogLines() timeout
process_control_timeout=10
[unconfined]
listen = {{ADDR}}
; spawn children immediately after reload
pm = static
pm.max_children = 10
EOT;

$code = &lt;&lt;&lt;EOT
&lt;?php
/* empty */
EOT;

/*
 * If a child miss SIGQUIT then reload process should stuck
 * for at least process_control_timeout that is set greater
 * than timeout in log reading functions.
 *
 * Alternative way is to set log_level=debug and filter result of
 * $tester-&gt;getLogLines(2000) for lines containing SIGKILL
 *
 *     [22-Oct-2019 03:28:19.532703] DEBUG: pid 21315, fpm_pctl_kill_all(), line 161: [pool unconfined] sending signal 9 SIGKILL to child 21337
 *     [22-Oct-2019 03:28:19.533471] DEBUG: pid 21315, fpm_children_bury(), line 259: [pool unconfined] child 21337 exited on signal 9 (SIGKILL) after 1.003055 seconds from start
 *
 * but it has less probability of failure detection. Additionally it requires more
 * $tester-&gt;expectLogNotice() around last reload due to presence of debug messages.
 */

$tester = new FPM\Tester($cfg, $code);
$tester-&gt;start();
$tester-&gt;expectLogStartNotices();

/* Vary interval between concurrent reload requests
    since performance of test instance is not known in advance */
$max_interval = 25000;
$step = 1000;
$pid = $tester-&gt;getPid();
for ($interval = 0; $interval &lt; $max_interval; $interval += $step) {
    exec(&quot;kill -USR2 $pid&quot;, $out, $killExitCode);
    if ($killExitCode) {
        echo &quot;ERROR: master process is dead\n&quot;;
        break;
    }
    usleep($interval);
}
echo &quot;Reached interval $interval us with $step us steps\n&quot;;
$tester-&gt;expectLogNotice(&#039;Reloading in progress ...&#039;);
/* Consume mix of &#039;Reloading in progress ...&#039; and &#039;reloading: .*&#039; */
$tester-&gt;readAllLogNotices(&#039;Reloading in progress ...&#039;);

$tester-&gt;reload();
$tester-&gt;expectLogReloadingNotices();

$tester-&gt;terminate();
$tester-&gt;expectLogTerminatingNotices();
$tester-&gt;close();

?&gt;
Done
--EXPECT--
Reached interval 25000 us with 1000 us steps
Done
--CLEAN--
&lt;?php
require_once &quot;tester.inc&quot;;
FPM\Tester::clean();
?&gt;
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