1 | /* $NetBSD: workqueue.h,v 1.1 2016/02/24 22:04:15 skrll Exp $ */ |
2 | |
3 | /*- |
4 | * Copyright (c) 2013 The NetBSD Foundation, Inc. |
5 | * All rights reserved. |
6 | * |
7 | * This code is derived from software contributed to The NetBSD Foundation |
8 | * by Taylor R. Campbell. |
9 | * |
10 | * Redistribution and use in source and binary forms, with or without |
11 | * modification, are permitted provided that the following conditions |
12 | * are met: |
13 | * 1. Redistributions of source code must retain the above copyright |
14 | * notice, this list of conditions and the following disclaimer. |
15 | * 2. Redistributions in binary form must reproduce the above copyright |
16 | * notice, this list of conditions and the following disclaimer in the |
17 | * documentation and/or other materials provided with the distribution. |
18 | * |
19 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
20 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
21 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
23 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
29 | * POSSIBILITY OF SUCH DAMAGE. |
30 | */ |
31 | |
32 | #ifndef _LINUX_WORKQUEUE_H_ |
33 | #define _LINUX_WORKQUEUE_H_ |
34 | |
35 | #include <sys/types.h> |
36 | #include <sys/callout.h> |
37 | #include <sys/queue.h> |
38 | #include <sys/workqueue.h> |
39 | |
40 | #include <linux/kernel.h> |
41 | |
42 | #define INIT_DELAYED_WORK linux_INIT_DELAYED_WORK |
43 | #define INIT_WORK linux_INIT_WORK |
44 | #define alloc_ordered_workqueue linux_alloc_ordered_workqueue |
45 | #define cancel_delayed_work linux_cancel_delayed_work |
46 | #define cancel_delayed_work_sync linux_cancel_delayed_work_sync |
47 | #define cancel_work linux_cancel_work |
48 | #define cancel_work_sync linux_cancel_work_sync |
49 | #define destroy_workqueue linux_destroy_workqueue |
50 | #define flush_work linux_flush_work |
51 | #define flush_workqueue linux_flush_workqueue |
52 | #define queue_delayed_work linux_queue_delayed_work |
53 | #define mod_delayed_work linux_mod_delayed_work |
54 | #define queue_work linux_queue_work |
55 | #define schedule_delayed_work linux_schedule_delayed_work |
56 | #define schedule_work linux_schedule_work |
57 | #define system_wq linux_system_wq |
58 | #define to_delayed_work linux_to_delayed_work |
59 | |
60 | struct workqueue_struct; |
61 | |
62 | struct work_struct { |
63 | struct work w_wk; |
64 | __cpu_simple_lock_t w_lock; /* XXX */ |
65 | enum { |
66 | WORK_IDLE, |
67 | WORK_DELAYED, |
68 | WORK_PENDING, |
69 | WORK_INVOKED, |
70 | WORK_CANCELLED, |
71 | WORK_DELAYED_CANCELLED, |
72 | } w_state; |
73 | struct workqueue_struct *w_wq; |
74 | void (*w_fn)(struct work_struct *); |
75 | }; |
76 | |
77 | struct delayed_work { |
78 | /* Not dw_work; name must match Linux. */ |
79 | struct work_struct work; |
80 | struct callout dw_callout; |
81 | TAILQ_ENTRY(delayed_work) dw_entry; |
82 | }; |
83 | |
84 | static inline struct delayed_work * |
85 | to_delayed_work(struct work_struct *work) |
86 | { |
87 | return container_of(work, struct delayed_work, work); |
88 | } |
89 | |
90 | extern struct workqueue_struct *system_wq; |
91 | |
92 | int linux_workqueue_init(void); |
93 | void linux_workqueue_fini(void); |
94 | |
95 | #define create_singlethread_workqueue(name) \ |
96 | alloc_ordered_workqueue((name), 0) |
97 | |
98 | struct workqueue_struct * |
99 | alloc_ordered_workqueue(const char *, int); |
100 | void destroy_workqueue(struct workqueue_struct *); |
101 | void flush_workqueue(struct workqueue_struct *); |
102 | void flush_scheduled_work(void); |
103 | |
104 | void INIT_WORK(struct work_struct *, void (*)(struct work_struct *)); |
105 | bool schedule_work(struct work_struct *); |
106 | bool queue_work(struct workqueue_struct *, struct work_struct *); |
107 | bool cancel_work_sync(struct work_struct *); |
108 | void flush_work(struct work_struct *); |
109 | |
110 | void INIT_DELAYED_WORK(struct delayed_work *, |
111 | void (*)(struct work_struct *)); |
112 | bool schedule_delayed_work(struct delayed_work *, unsigned long); |
113 | bool queue_delayed_work(struct workqueue_struct *, struct delayed_work *, |
114 | unsigned long ticks); |
115 | bool mod_delayed_work(struct workqueue_struct *, struct delayed_work *, |
116 | unsigned long ticks); |
117 | bool cancel_delayed_work(struct delayed_work *); |
118 | bool cancel_delayed_work_sync(struct delayed_work *); |
119 | |
120 | #endif /* _LINUX_WORKQUEUE_H_ */ |
121 | |