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| 4377 | svoboda | 1 | /* |
| 2 | * Copyright (c) 2009 Jakub Jermar |
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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 | |||
| 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 | |||
| 35 | #ifndef KERN_EVENT_H_ |
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| 36 | #define KERN_EVENT_H_ |
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| 37 | |||
| 38 | #include <ipc/event_types.h> |
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| 39 | #include <arch/types.h> |
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| 40 | #include <synch/spinlock.h> |
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| 41 | #include <ipc/ipc.h> |
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| 42 | |||
| 43 | /** Event notification structure. */ |
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| 44 | typedef struct { |
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| 45 | SPINLOCK_DECLARE(lock); |
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| 46 | |||
| 47 | /** Answerbox for notifications. */ |
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| 48 | answerbox_t *answerbox; |
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| 49 | /** Method to be used for the notification. */ |
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| 50 | unative_t method; |
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| 51 | /** Counter. */ |
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| 52 | count_t counter; |
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| 53 | } event_t; |
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| 54 | |||
| 55 | extern void event_init(void); |
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| 56 | extern unative_t sys_event_subscribe(unative_t, unative_t); |
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| 57 | extern bool event_is_subscribed(event_type_t); |
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| 58 | extern void event_cleanup_answerbox(answerbox_t *); |
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| 59 | |||
| 60 | #define event_notify_0(e) \ |
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| 61 | event_notify((e), 0, 0, 0, 0, 0) |
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| 62 | #define event_notify_1(e, a1) \ |
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| 63 | event_notify((e), (a1), 0, 0, 0, 0) |
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| 64 | #define event_notify_2(e, a1, a2) \ |
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| 65 | event_notify((e), (a1), (a2), 0, 0, 0) |
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| 66 | #define event_notify_3(e, a1, a2, a3) \ |
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| 67 | event_notify((e), (a1), (a2), (a3), 0, 0) |
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| 68 | #define event_notify_4(e, a1, a2, a3, a4) \ |
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| 69 | event_notify((e), (a1), (a2), (a3), (a4), 0) |
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| 70 | #define event_notify_5(e, a1, a2, a3, a4, a5) \ |
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| 71 | event_notify((e), (a1), (a2), (a3), (a4), (a5)) |
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| 72 | |||
| 73 | extern void event_notify(event_type_t, unative_t, unative_t, unative_t, |
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| 74 | unative_t, unative_t); |
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| 75 | |||
| 76 | #endif |
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| 77 | |||
| 78 | /** @} |
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| 79 | */ |