| 1 | /*
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| 2 | * Copyright (c) 2012 Adam Hraska
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup generic
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| 30 | * @{
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| 31 | */
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| 32 | /** @file
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| 33 | */
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| 34 |
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| 35 | #ifndef KERN_WORKQUEUE_H_
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| 36 | #define KERN_WORKQUEUE_H_
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| 37 |
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| 38 | #include <adt/list.h>
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| 39 |
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| 40 | /* Fwd decl. */
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| 41 | struct thread;
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| 42 | struct work_item;
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| 43 | struct work_queue;
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| 44 | typedef struct work_queue work_queue_t;
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| 45 |
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| 46 | typedef void (*work_func_t)(struct work_item *);
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| 47 |
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| 48 | typedef struct work_item {
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| 49 | link_t queue_link;
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| 50 | work_func_t func;
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| 51 |
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| 52 | #ifdef CONFIG_DEBUG
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| 53 | /* Magic number for integrity checks. */
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| 54 | uint32_t cookie;
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| 55 | #endif
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| 56 | } work_t;
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| 57 |
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| 58 |
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| 59 |
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| 60 | extern void workq_global_init(void);
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| 61 | extern void workq_global_worker_init(void);
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| 62 | extern void workq_global_stop(void);
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| 63 | extern bool workq_global_enqueue_noblock(work_t *, work_func_t);
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| 64 | extern bool workq_global_enqueue(work_t *, work_func_t);
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| 65 |
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| 66 | extern struct work_queue * workq_create(const char *);
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| 67 | extern void workq_destroy(struct work_queue *);
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| 68 | extern bool workq_init(struct work_queue *, const char *);
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| 69 | extern void workq_stop(struct work_queue *);
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| 70 | extern bool workq_enqueue_noblock(struct work_queue *, work_t *, work_func_t);
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| 71 | extern bool workq_enqueue(struct work_queue *, work_t *, work_func_t);
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| 72 |
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| 73 | extern void workq_print_info(struct work_queue *);
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| 74 | extern void workq_global_print_info(void);
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| 75 |
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| 76 |
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| 77 | extern void workq_after_thread_ran(void);
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| 78 | extern void workq_before_thread_is_ready(struct thread *);
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| 79 |
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| 80 | #endif /* KERN_WORKQUEUE_H_ */
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| 81 |
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| 82 | /** @}
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| 83 | */
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