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2746 decky 1
/*
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 * Copyright (c) 2007 Jan Hudecek
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 * Copyright (c) 2008 Martin Decky
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * - Redistributions of source code must retain the above copyright
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 *   notice, this list of conditions and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright
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 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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/** @addtogroup genericproc
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 * @{
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 */
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/** @file tasklet.h
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 * @brief Tasklets declarations
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 */
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#ifndef KERN_TASKLET_H_
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#define KERN_TASKLET_H_
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#include <adt/list.h>
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/** Tasklet callback type */
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typedef void (* tasklet_callback_t)(void *arg);
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/** Tasklet state */
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typedef enum {
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    NotActive,
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    Scheduled,
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    InProgress,
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    Disabled
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} tasklet_state_t;
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/** Structure describing a tasklet */
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typedef struct tasklet_descriptor {
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    link_t link;
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    /** Callback to call */
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    tasklet_callback_t callback;
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    /** Argument passed to the callback */
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    void *arg;
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    /** State of the tasklet */
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    tasklet_state_t state;
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} tasklet_descriptor_t;
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extern void tasklet_init(void);
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#endif
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/** @}
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 */