/**
* Waits for executing thread to return.
* @param bool $useBlocking If is set to true will block the until the thread returns.
* @return bool True if the thread has joined otherwise false.
*/
public final function join($useBlocking = true)
{
// {{{
if (!$this->amIStarted) {
return false;
}
if ($this->amIParent()) {
$status = null;
$res = 0;
if ($useBlocking) {
GPhpThread::BGN_HIGH_PRIOR_EXEC_BLOCK();
while (($res = pcntl_waitpid($this->childPid, $status, WNOHANG)) == 0) {
GPhpThreadCriticalSection::dispatch();
usleep(mt_rand(10000, 40000));
}
if ($res > 0 && pcntl_wifexited($status)) {
$this->exitCode = pcntl_wexitstatus($status);
} else {
$this->exitCode = false;
}
if ($this->criticalSection !== null) {
$this->criticalSection->finalize($this->uniqueId);
}
$this->childPid = null;
$this->_childPid = null;
$this->amIStarted = false;
GPhpThread::END_HIGH_PRIOR_EXEC_BLOCK();
} else {
$res = pcntl_waitpid($this->childPid, $status, WNOHANG);
if ($res > 0 && $this->criticalSection !== null) {
$this->criticalSection->finalize($this->uniqueId);
}
if ($res > 0 && pcntl_wifexited($status)) {
$this->exitCode = pcntl_wexitstatus($status);
if ($this->criticalSection !== null) {
$this->criticalSection->finalize($this->uniqueId);
}
$this->amIStarted = false;
} else {
if ($res == -1) {
$this->exitCode = false;
}
}
if ($res != 0) {
if ($this->criticalSection !== null) {
$this->criticalSection->finalize($this->uniqueId);
}
$this->childPid = null;
$this->_childPid = null;
}
}
return $res;
}
if ($this->childPid == -1) {
return false;
}
exit(255);
}
