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event: fix inconsistency in Lock and Unlock #20933 #20940 (#1544)

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Co-authored-by: Boqin Qin <Bobbqqin@gmail.com>
This commit is contained in:
Daniel Liu 2025-09-21 19:39:40 +08:00 committed by GitHub
parent 27354ec059
commit 219e59dc4f
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GPG key ID: B5690EEEBB952194
1 changed files with 3 additions and 3 deletions
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6
event/event.go
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@ -104,6 +104,7 @@ func (mux *TypeMux) Post(ev interface{}) error {
// Stop blocks until all current deliveries have finished.
func (mux *TypeMux) Stop() {
mux.mutex.Lock()
defer mux.mutex.Unlock()
for _, subs := range mux.subm {
for _, sub := range subs {
sub.closewait()
@ -111,11 +112,11 @@ func (mux *TypeMux) Stop() {
}
mux.subm = nil
mux.stopped = true
mux.mutex.Unlock()
}
func (mux *TypeMux) del(s *TypeMuxSubscription) {
mux.mutex.Lock()
defer mux.mutex.Unlock()
for typ, subs := range mux.subm {
if pos := find(subs, s); pos >= 0 {
if len(subs) == 1 {
@ -125,7 +126,6 @@ func (mux *TypeMux) del(s *TypeMuxSubscription) {
}
}
}
s.mux.mutex.Unlock()
}
func find(slice []*TypeMuxSubscription, item *TypeMuxSubscription) int {
@ -196,9 +196,9 @@ func (s *TypeMuxSubscription) closewait() {
s.closed = true
s.postMu.Lock()
defer s.postMu.Unlock()
close(s.postC)
s.postC = nil
s.postMu.Unlock()
}
func (s *TypeMuxSubscription) deliver(event *TypeMuxEvent) {