/**
* @throws Exception
*/
private function open()
{
if ($this->isOpen()) {
throw new Exception('Process already opened', Exception::ALREADY_OPEN);
}
$spec = array(array("pipe", "r"), array("pipe", "w"), array("pipe", "w"));
$resource = proc_open($this->command, $spec, $this->pipes, $this->workingDirectory, $this->env);
if ($this->workaroundLinuxBug()) {
$status = proc_get_status($resource);
posix_setpgid($status['pid'], $status['pid']);
}
if ($resource === false) {
throw new Exception(sprintf('Unable to proc_open cmd: %s', $this->command), Exception::OPEN_FAILED);
}
$this->resource = $resource;
}
public static function timeOutExec($cmd, $stdin = '', $timeout)
{
$start = time();
$stdout = '';
$stderr = '';
file_put_contents('debug.txt', time() . ':cmd:' . $cmd . "\n\n" . print_r(json_decode($cmd, true)) . "\n", FILE_APPEND);
file_put_contents('debug.txt', time() . ':stdin:' . $stdin . "\n", FILE_APPEND);
$process = proc_open($cmd, [['pipe', 'r'], ['pipe', 'w'], ['pipe', 'w']], $pipes);
if (!is_resource($process)) {
return array('return' => '1', 'stdout' => $stdout, 'stderr' => $stderr);
}
$status = proc_get_status($process);
posix_setpgid($status['pid'], $status['pid']);
//seperate pgid(process group id) from parent's pgid
stream_set_blocking($pipes[0], 0);
stream_set_blocking($pipes[1], 0);
stream_set_blocking($pipes[2], 0);
fwrite($pipes[0], $stdin);
fclose($pipes[0]);
while (1) {
$stdout .= stream_get_contents($pipes[1]);
$stderr .= stream_get_contents($pipes[2]);
if (time() - $start > $timeout) {
//proc_terminate($process, 9); //only terminate subprocess, won't terminate sub-subprocess
posix_kill(-$status['pid'], 9);
//sends SIGKILL to all processes inside group(negative means GPID, all subprocesses share the top process group, except nested my_timeout_exec)
file_put_contents('debug.txt', time() . ":kill group {$status['pid']}\n", FILE_APPEND);
return array('return' => '1', 'stdout' => $stdout, 'stderr' => $stderr);
}
$status = proc_get_status($process);
//file_put_contents('debug.txt', time().':status:'.var_export($status, true)."\n";
if (!$status['running']) {
fclose($pipes[1]);
fclose($pipes[2]);
proc_close($process);
return $status['exitcode'];
}
usleep(100000);
}
}
VERIFY(posix_getpgrp());
VERIFY(posix_getpid());
VERIFY(posix_getppid());
$ret = posix_getpwnam("root");
VERIFY($ret != false);
VERIFY(count((array) $ret) != 0);
VS(posix_getpwnam(""), false);
VS(posix_getpwnam(-1), false);
$ret = posix_getpwuid(0);
VERIFY($ret != false);
VERIFY(count((array) $ret) != 0);
VS(posix_getpwuid(-1), false);
$ret = posix_getrlimit();
VERIFY($ret != false);
VERIFY(count((array) $ret) != 0);
VERIFY(posix_getsid(posix_getpid()));
$tmpfifo = tempnam('/tmp', 'vmmkfifotest');
unlink($tmpfifo);
VERIFY(posix_mkfifo($tmpfifo, 0));
$tmpnod = tempnam('/tmp', 'vmmknodtest');
unlink($tmpnod);
VERIFY(posix_mknod($tmpnod, 0));
VERIFY(posix_setpgid(0, 0));
VERIFY(posix_setsid());
VERIFY(strlen(posix_strerror(1)));
$ret = posix_times();
VERIFY($ret != false);
VERIFY(count((array) $ret) != 0);
$ret = posix_uname();
VERIFY($ret != false);
VERIFY(count((array) $ret) != 0);
public static function run($cmd)
{
posix_setpgid(0, 0);
exec($cmd, $output, $returnCode);
return $returnCode === 0;
}
} else {
echo "posix_setsid failed\n";
}
$getpgid = posix_getpgid($pid);
if ($getpgid > 0) {
echo "posix_getpgid succeeded\n";
} else {
echo "posix_getpgid failed\n";
}
$getsid = posix_getsid($pid);
if ($getsid > 0) {
echo "posix_getsid succeeded\n";
} else {
echo "posix_getsid failed\n";
}
$setpgid = posix_setpgid($pid, $getpgid);
if ($setpgid > 0) {
echo "posix_setpgid succeeded\n";
} else {
echo "posix_setpgid failed\n";
}
$uname = posix_uname();
echo "uname=\n";
print_r($uname);
$times = posix_times();
foreach ($times as $k => $v) {
if ($v < 0) {
echo "times[{$k}] is negative\n";
} else {
echo "times[{$k}] is greater than or equal to 0\n";
}
/**
* Set process group id for job control
*
* @param int $pid The process id.
* @param int $pgid The process group id.
*
* @return bool
*/
public function setpgid(int $pid, int $pgid) : bool
{
return posix_setpgid($pid, $pgid);
}
/**
* Set the process group ID for job control
*
* @param int $pid The process id.
* @param int $pgid The process group id.
*
* @return bool
*/
public function setpgid($pid, $pgid)
{
return posix_setpgid($pid, $pgid);
}