bool Thread::StartWithOptions(const Options& options)
{
DCHECK(!message_loop_);
SetThreadWasQuitProperly(false);
StartupData startup_data(options);
startup_data_ = &startup_data;
if(!Create(options.stack_size, this, &thread_))
{
DLOG(ERROR) << "failed to create thread";
startup_data_ = NULL;
return false;
}
// 等待线程启动并初始化message_loop_.
startup_data.event.Wait();
// 设置成NULL, 所以我们不会保存一个栈上对象的指针.
startup_data_ = NULL;
started_ = true;
DCHECK(message_loop_);
return true;
}
bool Thread::StartWithOptions(const Options &options) {
StartupData startup_data(options);
startup_data_ = &startup_data;
if (!ThreadHelper::Create(MakeRunnableMethod(this, &Thread::ThreadMain), &thread_handle_)) {
assert(false);
// TODO(tangjie): add log for create thread failed!
startup_data_ = nullptr;
return false;
}
startup_data.event_.Wait();
startup_data_ = nullptr;
was_started_ = true;
assert(message_loop_ != false);
return true;
}