54 void IOEventReactor::InsertNodeFront(int fd, IOEventHandler* target)  in InsertNodeFront()  argument
57     target->next_ = h->next_;  in InsertNodeFront()
58     target->prev_ = h;  in InsertNodeFront()
60         h->next_->prev_ = target;  in InsertNodeFront()
62     h->next_ = target;  in InsertNodeFront()
65 void IOEventReactor::RemoveNode(IOEventHandler* target)  in RemoveNode()  argument
67     target->prev_->next_ = target->next_;  in RemoveNode()
69     if (target->next_ != nullptr) {  in RemoveNode()
70         target->next_->prev_ = target->prev_;  in RemoveNode()
73     target->prev_ = nullptr;  in RemoveNode()
74     target->next_ = nullptr;  in RemoveNode()
77 ErrCode IOEventReactor::AddHandler(IOEventHandler* target)  in AddHandler()  argument
79     if (target == nullptr) {  in AddHandler()
83     if (target->fd_ == -1) {  in AddHandler()
87     if (target->prev_!=nullptr) {  in AddHandler()
93     int fd = target->fd_;  in AddHandler()
99     InsertNodeFront(fd, target);  in AddHandler()
101     if ((ioHandlers_[fd].events & target->events_) != target->events_) {  in AddHandler()
102         if (backend_ == nullptr || !UpdateToDemultiplexer(target->fd_)) {  in AddHandler()
103 …     UTILS_LOGE("%{public}s: Update fd: %{public}d to backend failed.", __FUNCTION__, target->fd_);  in AddHandler()
108     target->enabled_ = true;  in AddHandler()
113 ErrCode IOEventReactor::UpdateHandler(IOEventHandler* target)  in UpdateHandler()  argument
115     if (target == nullptr) {  in UpdateHandler()
119     if (target->fd_ == -1) {  in UpdateHandler()
124     if (target->prev_!=nullptr) {  in UpdateHandler()
125         if (!HasHandler(target)) {  in UpdateHandler()
129         if (backend_ == nullptr || !UpdateToDemultiplexer(target->fd_)) {  in UpdateHandler()
130 …     UTILS_LOGE("%{public}s: Update fd: %{public}d to backend failed.", __FUNCTION__, target->fd_);  in UpdateHandler()
136     return AddHandler(target);  in UpdateHandler()
139 ErrCode IOEventReactor::RemoveHandler(IOEventHandler* target)  in RemoveHandler()  argument
141     if (target == nullptr) {  in RemoveHandler()
145     if (target->fd_ == -1) {  in RemoveHandler()
150     target->enabled_ = false;  in RemoveHandler()
153     if (!HasHandler(target)) {  in RemoveHandler()
155         target->enabled_=true;  in RemoveHandler()
159     RemoveNode(target);  in RemoveHandler()
161     if (backend_ == nullptr || !UpdateToDemultiplexer(target->fd_)) {  in RemoveHandler()
162 …     UTILS_LOGE("%{public}s: Update fd: %{public}d to backend failed.", __FUNCTION__, target->fd_);  in RemoveHandler()
163         target->enabled_=true;  in RemoveHandler()
171 bool IOEventReactor::HasHandler(IOEventHandler* target)  in HasHandler()  argument
173 …for (IOEventHandler* cur = ioHandlers_[target->fd_].head.get(); cur != nullptr; cur = cur->next_) {  in HasHandler()
174         if (cur == target) {  in HasHandler()
182 ErrCode IOEventReactor::FindHandler(IOEventHandler* target)  in FindHandler()  argument
184     if (target == nullptr) {  in FindHandler()
188     if (target->fd_ == -1) {  in FindHandler()
195     if (!HasHandler(target)) {  in FindHandler()