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|
--TEST--
Waiting on SIGCHLD with a pcntl_wait() loop
--EXTENSIONS--
pcntl
--SKIPIF--
<?php
if (PHP_OS != 'Linux') {
die('skip Linux only');
}
?>
--FILE--
<?php
$processes = [];
pcntl_async_signals(true);
pcntl_signal(SIGCHLD, function($sig, $info) use (&$processes) {
while (($pid = pcntl_wait($status, WUNTRACED | WNOHANG)) > 0) {
echo "SIGCHLD\n";
unset($processes[$pid]);
}
}, false);
for ($i = 0; $i <= 5; $i++) {
// Sleeping ensures we get to add the process to the list before the signal is invoked.
$process = proc_open('sleep 1', [], $pipes);
$pid = proc_get_status($process)['pid'];
$processes[$pid] = $process;
}
$iters = 50;
while (!empty($processes) && $iters > 0) {
usleep(100_000);
$iters--;
}
var_dump(empty($processes));
?>
--EXPECT--
SIGCHLD
SIGCHLD
SIGCHLD
SIGCHLD
SIGCHLD
SIGCHLD
bool(true)
|
