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121 lines
4.2 KiB
C
121 lines
4.2 KiB
C
/* $NetBSD: workqueue.h,v 1.4 2014/07/16 20:59:58 riastradh Exp $ */
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/*-
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* Copyright (c) 2013 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Taylor R. Campbell.
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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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* 1. 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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* 2. 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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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _LINUX_WORKQUEUE_H_
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#define _LINUX_WORKQUEUE_H_
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#include <sys/types.h>
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#include <sys/callout.h>
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#include <sys/queue.h>
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#include <sys/workqueue.h>
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#include <linux/kernel.h>
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#define INIT_DELAYED_WORK linux_INIT_DELAYED_WORK
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#define INIT_WORK linux_INIT_WORK
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#define alloc_ordered_workqueue linux_alloc_ordered_workqueue
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#define cancel_delayed_work linux_cancel_delayed_work
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#define cancel_delayed_work_sync linux_cancel_delayed_work_sync
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#define cancel_work linux_cancel_work
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#define cancel_work_sync linux_cancel_work_sync
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#define destroy_workqueue linux_destroy_workqueue
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#define flush_work linux_flush_work
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#define flush_workqueue linux_flush_workqueue
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#define queue_delayed_work linux_queue_delayed_work
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#define mod_delayed_work linux_mod_delayed_work
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#define queue_work linux_queue_work
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#define schedule_delayed_work linux_schedule_delayed_work
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#define schedule_work linux_schedule_work
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#define system_wq linux_system_wq
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#define to_delayed_work linux_to_delayed_work
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struct workqueue_struct;
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struct work_struct {
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struct work w_wk;
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__cpu_simple_lock_t w_lock; /* XXX */
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enum {
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WORK_IDLE,
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WORK_DELAYED,
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WORK_PENDING,
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WORK_INVOKED,
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WORK_CANCELLED,
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WORK_DELAYED_CANCELLED,
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} w_state;
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struct workqueue_struct *w_wq;
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void (*w_fn)(struct work_struct *);
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};
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struct delayed_work {
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/* Not dw_work; name must match Linux. */
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struct work_struct work;
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struct callout dw_callout;
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TAILQ_ENTRY(delayed_work) dw_entry;
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};
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static inline struct delayed_work *
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to_delayed_work(struct work_struct *work)
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{
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return container_of(work, struct delayed_work, work);
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}
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extern struct workqueue_struct *system_wq;
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int linux_workqueue_init(void);
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void linux_workqueue_fini(void);
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#define create_singlethread_workqueue(name) \
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alloc_ordered_workqueue((name), 0)
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struct workqueue_struct *
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alloc_ordered_workqueue(const char *, int);
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void destroy_workqueue(struct workqueue_struct *);
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void flush_workqueue(struct workqueue_struct *);
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void flush_scheduled_work(void);
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void INIT_WORK(struct work_struct *, void (*)(struct work_struct *));
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bool schedule_work(struct work_struct *);
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bool queue_work(struct workqueue_struct *, struct work_struct *);
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bool cancel_work_sync(struct work_struct *);
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void flush_work(struct work_struct *);
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void INIT_DELAYED_WORK(struct delayed_work *,
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void (*)(struct work_struct *));
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bool schedule_delayed_work(struct delayed_work *, unsigned long);
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bool queue_delayed_work(struct workqueue_struct *, struct delayed_work *,
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unsigned long ticks);
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bool mod_delayed_work(struct workqueue_struct *, struct delayed_work *,
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unsigned long ticks);
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bool cancel_delayed_work(struct delayed_work *);
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bool cancel_delayed_work_sync(struct delayed_work *);
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#endif /* _LINUX_WORKQUEUE_H_ */
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