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4173 | jermar | 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 <event/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 | */ |