Method JoinThreadGroup

src/task/task_control_block.cpp:92–102

}

auto TaskControlBlock::JoinThreadGroup(TaskControlBlock* leader) -> void {
  if (!leader || leader == this) {
    return;
  }

  // 设置 tgid
  aux->tgid = leader->aux->tgid;

  // 在 leader 之后插入自身
  etl::link_splice<ThreadGroupLink>(*leader, *this);
}

auto TaskControlBlock::LeaveThreadGroup() -> void { ThreadGroupLink::unlink(); }