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When using static initializers uninitialized fields are set to 0, or NULL for pointers. But when using event_callback_init() on non static variables event_callback_t structure may hold non 0 values. This will lead to the event never being called since if super.list_node.next is not NULL as it is considered already in the event queue and therefore not touched.
26 lines
804 B
C
26 lines
804 B
C
/*
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* Copyright (C) 2017 Inria
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* 2017 Freie Universität Berlin
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* 2017 Kaspar Schleiser <kaspar@schleiser.de>
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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#include "event/callback.h"
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void _event_callback_handler(event_t *event)
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{
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event_callback_t *event_callback = (event_callback_t *) event;
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event_callback->callback(event_callback->arg);
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}
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void event_callback_init(event_callback_t *event_callback, void (callback)(void *), void *arg)
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{
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memset(event_callback, 0, sizeof(*event_callback));
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event_callback->super.handler = _event_callback_handler;
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event_callback->callback = callback;
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event_callback->arg = arg;
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}
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