Rev 1333 | Rev 1359 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
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| 1333 | giacomo | 1 | |
| 2 | /* |
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| 3 | * Project: S.Ha.R.K. |
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| 4 | * |
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| 5 | * Coordinators: Giorgio Buttazzo <giorgio@sssup.it> |
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| 6 | * |
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| 7 | * |
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| 8 | * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy) |
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| 9 | * |
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| 10 | * http://www.sssup.it |
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| 11 | * http://retis.sssup.it |
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| 12 | * http://shark.sssup.it |
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| 13 | */ |
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| 14 | |||
| 15 | /* |
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| 16 | * Copyright (C) 2000 Paolo Gai |
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| 17 | * |
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| 18 | * This program is free software; you can redistribute it and/or modify |
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| 19 | * it under the terms of the GNU General Public License as published by |
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| 20 | * the Free Software Foundation; either version 2 of the License, or |
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| 21 | * (at your option) any later version. |
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| 22 | * |
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| 23 | * This program is distributed in the hope that it will be useful, |
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| 24 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 25 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 26 | * GNU General Public License for more details. |
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| 27 | * |
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| 28 | * You should have received a copy of the GNU General Public License |
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| 29 | * along with this program; if not, write to the Free Software |
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| 30 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 31 | * |
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| 32 | */ |
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| 33 | |||
| 34 | #include "chimera.h" |
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| 35 | |||
| 36 | struct action_event *first_action_event = NULL; |
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| 37 | |||
| 38 | int insert_action_event(struct action_event *e) { |
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| 39 | |||
| 40 | struct action_event *t = first_action_event, *k = NULL; |
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| 41 | |||
| 42 | SYS_FLAGS f; |
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| 43 | |||
| 44 | f = kern_fsave(); |
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| 45 | |||
| 1334 | giacomo | 46 | e->status = EVT_STATUS_WAIT; |
| 47 | |||
| 1333 | giacomo | 48 | if (!t) { |
| 49 | |||
| 50 | first_action_event = e; |
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| 51 | e->next = NULL; |
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| 52 | kern_frestore(f); |
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| 53 | return 0; |
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| 54 | |||
| 55 | } |
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| 56 | |||
| 57 | while(t) { |
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| 58 | if (TIMESPEC_A_LT_B(&e->time,&t->time)) |
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| 59 | break; |
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| 60 | k = t; |
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| 61 | t = t->next; |
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| 62 | } |
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| 63 | |||
| 64 | t = k->next; |
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| 65 | k->next = e; |
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| 66 | e->next = t; |
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| 67 | |||
| 68 | t = first_action_event; |
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| 69 | |||
| 70 | kern_frestore(f); |
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| 71 | |||
| 72 | return 0; |
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| 73 | |||
| 74 | } |
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| 75 | |||
| 76 | int delete_action_event(struct action_event *e) { |
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| 77 | |||
| 78 | struct action_event *t = first_action_event; |
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| 79 | |||
| 80 | SYS_FLAGS f; |
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| 81 | |||
| 82 | if (!t) return -1; |
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| 83 | |||
| 84 | f = kern_fsave(); |
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| 85 | |||
| 86 | if (t == e) { |
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| 87 | |||
| 88 | first_action_event = t->next; |
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| 89 | kern_frestore(f); |
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| 90 | return 0; |
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| 91 | |||
| 92 | } |
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| 93 | |||
| 94 | while(t) { |
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| 95 | if (t->next == e) |
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| 96 | break; |
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| 97 | t = t->next; |
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| 98 | } |
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| 99 | |||
| 100 | if (t) { |
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| 101 | t->next = e->next; |
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| 102 | kern_frestore(f); |
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| 103 | return 0; |
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| 104 | } |
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| 105 | |||
| 106 | kern_frestore(f); |
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| 107 | |||
| 108 | return -1; |
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| 109 | |||
| 110 | } |
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| 111 | |||
| 112 | struct action_event * get_first_old_event(struct timespec *time) { |
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| 113 | |||
| 114 | struct action_event *t = first_action_event; |
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| 115 | SYS_FLAGS f; |
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| 116 | |||
| 117 | if (!t) return NULL; |
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| 118 | |||
| 119 | f = kern_fsave(); |
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| 120 | |||
| 121 | if (TIMESPEC_A_GT_B(time,&(t->time))) { |
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| 122 | first_action_event = t->next; |
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| 1334 | giacomo | 123 | t->status = EVT_STATUS_EXEC; |
| 1333 | giacomo | 124 | kern_frestore(f); |
| 125 | return t; |
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| 126 | } |
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| 127 | |||
| 128 | kern_frestore(f); |
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| 129 | return NULL; |
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| 130 | |||
| 131 | } |