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Sync OpenBSD patchset 1057:
Check event_initialized before event_del if event may not have been set up; libevent2 complains about this. Reported by Moriyoshi Koizumi.
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@ -549,7 +549,8 @@ start_timer:
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tv.tv_sec = delay / 1000;
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tv.tv_usec = (delay % 1000) * 1000L;
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evtimer_del(&tty->key_timer);
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if (event_initialized(&tty->key_timer))
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evtimer_del(&tty->key_timer);
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evtimer_set(&tty->key_timer, tty_keys_callback, tty);
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evtimer_add(&tty->key_timer, &tv);
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@ -573,7 +574,8 @@ found_key:
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goto handle_key;
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handle_key:
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evtimer_del(&tty->key_timer);
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if (event_initialized(&tty->key_timer))
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evtimer_del(&tty->key_timer);
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if (key != KEYC_NONE)
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tty->key_callback(key, &mouse, tty->key_data);
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