Function callHandler

app/redis-6.2.6/src/connhelpers.h:77–86

Helper for connection implementations to call handlers: * 1. Increment refs to protect the connection. * 2. Execute the handler (if set). * 3. Decrement refs and perform deferred close, if refs==0. */

 * 3. Decrement refs and perform deferred close, if refs==0.
 */
static inline int callHandler(connection *conn, ConnectionCallbackFunc handler) {
    connIncrRefs(conn);
    if (handler) handler(conn);
    connDecrRefs(conn);
    if (conn->flags & CONN_FLAG_CLOSE_SCHEDULED) {
        if (!connHasRefs(conn)) connClose(conn);
        return 0;
    }
    return 1;
}

#endif  /* __REDIS_CONNHELPERS_H */