/**
* 创建一个子进程
* @param Worker $worker
* @throws Exception
*/
public function fork_one_worker()
{
//$sockets = stream_socket_pair(STREAM_PF_UNIX, STREAM_SOCK_STREAM, STREAM_IPPROTO_IP);
$pid = pcntl_fork();
// 父进程，$pid 是子进程的id
if ($pid > 0) {
self::$_worker_pids[$pid] = $pid;
} elseif (0 === $pid) {
$this->set_process_title($this->title);
$this->set_process_user($this->user);
self::$_worker_pids = array();
//$this->uninstall_signal();
$pid = posix_getpid();
//echo "worker[".$pid."] running\n";
if ($this->on_worker_start) {
call_user_func($this->on_worker_start, $this);
}
// 这里用0表示正常退出
exit(0);
} else {
exit("fork one worker fail");
}
}
/**
* 创建一个子进程
* @param Worker $worker
* @throws Exception
*/
public function fork_one_worker($worker_id)
{
//$sockets = stream_socket_pair(STREAM_PF_UNIX, STREAM_SOCK_STREAM, STREAM_IPPROTO_IP);
$pid = pcntl_fork();
// 主进程记录子进程pid
if ($pid > 0) {
self::$_worker_pids[$worker_id] = $pid;
} elseif (0 === $pid) {
$this->time_start = microtime(true);
$this->worker_id = $worker_id;
$this->worker_pid = posix_getpid();
$this->set_process_title($this->title);
$this->set_process_user($this->user);
// 清空master进程克隆过来的worker进程ID
self::$_worker_pids = array();
//$this->uninstall_signal();
// 设置worker进程的运行状态为运行中
self::$_status = "running";
// 注册进程退出回调，用来检查是否有错误(子进程里面注册)
register_shutdown_function(array($this, 'check_errors'));
// 如果设置了worker进程启动回调函数
if ($this->on_worker_start) {
call_user_func($this->on_worker_start, $this);
}
// 停止当前worker实例
$this->stop();
// 这里用0表示正常退出
exit(0);
} else {
log::add("fork one worker fail", "Error");
exit;
}
}
