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1 | /* |
1 | /* |
2 | * Copyright (c) 2009 Jakub Jermar |
2 | * Copyright (c) 2009 Jakub Jermar |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | /** @addtogroup generic |
29 | /** @addtogroup generic |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
33 | */ |
33 | */ |
34 | 34 | ||
35 | #ifndef KERN_EVENT_H_ |
35 | #ifndef KERN_EVENT_H_ |
36 | #define KERN_EVENT_H_ |
36 | #define KERN_EVENT_H_ |
37 | 37 | ||
38 | #include <ipc/event_types.h> |
38 | #include <ipc/event_types.h> |
39 | #include <arch/types.h> |
39 | #include <arch/types.h> |
40 | #include <synch/spinlock.h> |
40 | #include <synch/spinlock.h> |
41 | #include <ipc/ipc.h> |
41 | #include <ipc/ipc.h> |
42 | 42 | ||
43 | /** Event notification structure. */ |
43 | /** Event notification structure. */ |
44 | typedef struct { |
44 | typedef struct { |
45 | SPINLOCK_DECLARE(lock); |
45 | SPINLOCK_DECLARE(lock); |
46 | 46 | ||
47 | /** Answerbox for notifications. */ |
47 | /** Answerbox for notifications. */ |
48 | answerbox_t *answerbox; |
48 | answerbox_t *answerbox; |
49 | /** Method to be used for the notification. */ |
49 | /** Method to be used for the notification. */ |
50 | unative_t method; |
50 | unative_t method; |
51 | /** Counter. */ |
51 | /** Counter. */ |
52 | count_t counter; |
52 | size_t counter; |
53 | } event_t; |
53 | } event_t; |
54 | 54 | ||
55 | extern void event_init(void); |
55 | extern void event_init(void); |
56 | extern unative_t sys_event_subscribe(unative_t, unative_t); |
56 | extern unative_t sys_event_subscribe(unative_t, unative_t); |
57 | extern bool event_is_subscribed(event_type_t); |
57 | extern bool event_is_subscribed(event_type_t); |
58 | extern void event_cleanup_answerbox(answerbox_t *); |
58 | extern void event_cleanup_answerbox(answerbox_t *); |
59 | 59 | ||
60 | #define event_notify_0(e) \ |
60 | #define event_notify_0(e) \ |
61 | event_notify((e), 0, 0, 0, 0, 0) |
61 | event_notify((e), 0, 0, 0, 0, 0) |
62 | #define event_notify_1(e, a1) \ |
62 | #define event_notify_1(e, a1) \ |
63 | event_notify((e), (a1), 0, 0, 0, 0) |
63 | event_notify((e), (a1), 0, 0, 0, 0) |
64 | #define event_notify_2(e, a1, a2) \ |
64 | #define event_notify_2(e, a1, a2) \ |
65 | event_notify((e), (a1), (a2), 0, 0, 0) |
65 | event_notify((e), (a1), (a2), 0, 0, 0) |
66 | #define event_notify_3(e, a1, a2, a3) \ |
66 | #define event_notify_3(e, a1, a2, a3) \ |
67 | event_notify((e), (a1), (a2), (a3), 0, 0) |
67 | event_notify((e), (a1), (a2), (a3), 0, 0) |
68 | #define event_notify_4(e, a1, a2, a3, a4) \ |
68 | #define event_notify_4(e, a1, a2, a3, a4) \ |
69 | event_notify((e), (a1), (a2), (a3), (a4), 0) |
69 | event_notify((e), (a1), (a2), (a3), (a4), 0) |
70 | #define event_notify_5(e, a1, a2, a3, a4, a5) \ |
70 | #define event_notify_5(e, a1, a2, a3, a4, a5) \ |
71 | event_notify((e), (a1), (a2), (a3), (a4), (a5)) |
71 | event_notify((e), (a1), (a2), (a3), (a4), (a5)) |
72 | 72 | ||
73 | extern void event_notify(event_type_t, unative_t, unative_t, unative_t, |
73 | extern void event_notify(event_type_t, unative_t, unative_t, unative_t, |
74 | unative_t, unative_t); |
74 | unative_t, unative_t); |
75 | 75 | ||
76 | #endif |
76 | #endif |
77 | 77 | ||
78 | /** @} |
78 | /** @} |
79 | */ |
79 | */ |
80 | 80 |