akho/birdtown-visit-counter
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add mutex lock

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This commit is contained in:
Alexander Khodyrev 2024-09-14 11:22:09 +03:00
parent a4b764ad52
commit ae62fd9c2b
1 changed files with 2 additions and 0 deletions
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2
birdtown-visit-counter.go
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@ -55,7 +55,9 @@ func (h *visitsHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
return return
} }
if r.Method == http.MethodGet { if r.Method == http.MethodGet {
h.store.Lock()
jsonBytes, err := json.Marshal(h.store.m) jsonBytes, err := json.Marshal(h.store.m)
h.store.Unlock()
if err != nil { if err != nil {
w.WriteHeader(http.StatusInternalServerError) w.WriteHeader(http.StatusInternalServerError)
w.Write([]byte("cannot serialize")) w.Write([]byte("cannot serialize"))