[136] | 1 | /*
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| 2 | * TOPPERS Software
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| 3 | * Toyohashi Open Platform for Embedded Real-Time Systems
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| 4 | *
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| 5 | * Copyright (C) 2000 by Embedded and Real-Time Systems Laboratory
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| 6 | * Toyohashi Univ. of Technology, JAPAN
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| 7 | * Copyright (C) 2006-2011 by Embedded and Real-Time Systems Laboratory
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| 8 | * Graduate School of Information Science, Nagoya Univ., JAPAN
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| 9 | *
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| 10 | * ä¸è¨èä½æ¨©è
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| 11 | ã¯ï¼ä»¥ä¸ã®(1)ï½(4)ã®æ¡ä»¶ãæºããå ´åã«éãï¼æ¬ã½ããã¦ã§
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| 12 | * ã¢ï¼æ¬ã½ããã¦ã§ã¢ãæ¹å¤ãããã®ãå«ãï¼ä»¥ä¸åãï¼ã使ç¨ã»è¤è£½ã»æ¹
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| 13 | * å¤ã»åé
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| 14 | å¸ï¼ä»¥ä¸ï¼å©ç¨ã¨å¼ã¶ï¼ãããã¨ãç¡åã§è¨±è«¾ããï¼
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| 15 | * (1) æ¬ã½ããã¦ã§ã¢ãã½ã¼ã¹ã³ã¼ãã®å½¢ã§å©ç¨ããå ´åã«ã¯ï¼ä¸è¨ã®èä½
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| 16 | * 権表示ï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãï¼ãã®ã¾ã¾ã®å½¢ã§ã½ã¼
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| 17 | * ã¹ã³ã¼ãä¸ã«å«ã¾ãã¦ãããã¨ï¼
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| 18 | * (2) æ¬ã½ããã¦ã§ã¢ãï¼ã©ã¤ãã©ãªå½¢å¼ãªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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| 19 | * ç¨ã§ããå½¢ã§åé
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| 20 | å¸ããå ´åã«ã¯ï¼åé
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| 21 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨
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| 22 | * è
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| 23 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®èä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨
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| 24 | * ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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| 25 | * (3) æ¬ã½ããã¦ã§ã¢ãï¼æ©å¨ã«çµã¿è¾¼ããªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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| 26 | * ç¨ã§ããªãå½¢ã§åé
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| 27 | å¸ããå ´åã«ã¯ï¼æ¬¡ã®ããããã®æ¡ä»¶ãæºããã
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| 28 | * ã¨ï¼
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| 29 | * (a) åé
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| 30 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
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| 31 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®è
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| 32 | * ä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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| 33 | * (b) åé
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| 34 | å¸ã®å½¢æ
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| 35 | ãï¼å¥ã«å®ããæ¹æ³ã«ãã£ã¦ï¼TOPPERSããã¸ã§ã¯ãã«
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| 36 | * å ±åãããã¨ï¼
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| 37 | * (4) æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ
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| 38 | * 害ãããï¼ä¸è¨èä½æ¨©è
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| 39 | ããã³TOPPERSããã¸ã§ã¯ããå
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| 40 | 責ãããã¨ï¼
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| 41 | * ã¾ãï¼æ¬ã½ããã¦ã§ã¢ã®ã¦ã¼ã¶ã¾ãã¯ã¨ã³ãã¦ã¼ã¶ããã®ãããªãç
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| 42 | * ç±ã«åºã¥ãè«æ±ãããï¼ä¸è¨èä½æ¨©è
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| 43 | ããã³TOPPERSããã¸ã§ã¯ãã
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| 44 | * å
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| 45 | 責ãããã¨ï¼
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| 46 | *
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| 47 | * æ¬ã½ããã¦ã§ã¢ã¯ï¼ç¡ä¿è¨¼ã§æä¾ããã¦ãããã®ã§ããï¼ä¸è¨èä½æ¨©è
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| 48 | ã
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| 49 | * ãã³TOPPERSããã¸ã§ã¯ãã¯ï¼æ¬ã½ããã¦ã§ã¢ã«é¢ãã¦ï¼ç¹å®ã®ä½¿ç¨ç®ç
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| 50 | * ã«å¯¾ããé©åæ§ãå«ãã¦ï¼ãããªãä¿è¨¼ãè¡ããªãï¼ã¾ãï¼æ¬ã½ããã¦ã§
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| 51 | * ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ害ã«é¢ãã¦ãï¼ã
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| 52 | * ã®è²¬ä»»ãè² ããªãï¼
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| 53 | *
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| 54 | * @(#) $Id: queue.h 2247 2011-08-26 22:59:55Z ertl-hiro $
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| 55 | */
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| 56 |
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| 57 | /*
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| 58 | * ãã¥ã¼æä½ã©ã¤ãã©ãª
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| 59 | *
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| 60 | * ãã®ãã¥ã¼æä½ã©ã¤ãã©ãªã§ã¯ï¼ãã¥ã¼ããããå«ããªã³ã°æ§é ã®ããã«
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| 61 | * ãªã³ã¯ãã¥ã¼ãæ±ãï¼å
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| 62 | ·ä½çã«ã¯ï¼ãã¥ã¼ãããã®æ¬¡ã¨ã³ããªã¯ãã¥ã¼ã®
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| 63 | * å
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| 64 | é ã®ã¨ã³ããªï¼åã¨ã³ããªã¯ãã¥ã¼ã®æ«å°¾ã®ã¨ã³ããªã¨ããï¼ã¾ãï¼ã
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| 65 | * ã¥ã¼ã®å
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| 66 | é ã®ã¨ã³ããªã®åã¨ã³ããªã¨ï¼ãã¥ã¼ã®æ«å°¾ã®ã¨ã³ããªã®æ¬¡ã¨ã³
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| 67 | * ããªã¯ï¼ãã¥ã¼ãããã¨ããï¼ç©ºã®ãã¥ã¼ã¯ï¼æ¬¡ã¨ã³ããªï¼åã¨ã³ããªã¨
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| 68 | * ãèªåèªèº«ãæããã¥ã¼ãããã§ããããï¼
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| 69 | */
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| 70 |
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| 71 | #ifndef TOPPERS_QUEUE_H
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| 72 | #define TOPPERS_QUEUE_H
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| 73 |
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| 74 | #ifdef __cplusplus
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| 75 | extern "C" {
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| 76 | #endif
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| 77 |
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| 78 | /*
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| 79 | * ãã¥ã¼ã®ãã¼ã¿æ§é ã®å®ç¾©
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| 80 | */
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| 81 | typedef struct queue {
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| 82 | struct queue *p_next; /* 次ã¨ã³ããªã¸ã®ãã¤ã³ã¿ */
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| 83 | struct queue *p_prev; /* åã¨ã³ããªã¸ã®ãã¤ã³ã¿ */
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| 84 | } QUEUE;
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| 85 |
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| 86 | /*
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| 87 | * ãã¥ã¼ã®åæå
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| 88 | *
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| 89 | * p_queueã«ã¯ãã¥ã¼ããããæå®ããï¼
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| 90 | */
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| 91 | Inline void
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| 92 | queue_initialize(QUEUE *p_queue)
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| 93 | {
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| 94 | p_queue->p_prev = p_queue;
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| 95 | p_queue->p_next = p_queue;
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| 96 | }
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| 97 |
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| 98 | /*
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| 99 | * ãã¥ã¼ã®åã¨ã³ããªã¸ã®æ¿å
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| 100 | ¥
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| 101 | *
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| 102 | * p_queueã®åã«p_entryãæ¿å
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| 103 | ¥ããï¼p_queueã«ãã¥ã¼ããããæå®ããå ´
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| 104 | * åã«ã¯ï¼ãã¥ã¼ã®æ«å°¾ã«p_entryãæ¿å
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| 105 | ¥ãããã¨ã«ãªãï¼
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| 106 | */
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| 107 | Inline void
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| 108 | queue_insert_prev(QUEUE *p_queue, QUEUE *p_entry)
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| 109 | {
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| 110 | p_entry->p_prev = p_queue->p_prev;
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| 111 | p_entry->p_next = p_queue;
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| 112 | p_queue->p_prev->p_next = p_entry;
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| 113 | p_queue->p_prev = p_entry;
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| 114 | }
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| 115 |
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| 116 | /*
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| 117 | * ãã¥ã¼ã®æ¬¡ã¨ã³ããªã¸ã®æ¿å
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| 118 | ¥
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| 119 | *
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| 120 | * p_queueã®æ¬¡ã«p_entryãæ¿å
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| 121 | ¥ããï¼p_queueã«ãã¥ã¼ããããæå®ããå ´
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| 122 | * åã«ã¯ï¼ãã¥ã¼ã®å
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| 123 | é ã«p_entryãæ¿å
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| 124 | ¥ãããã¨ã«ãªãï¼
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| 125 | */
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| 126 | Inline void
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| 127 | queue_insert_next(QUEUE *p_queue, QUEUE *p_entry)
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| 128 | {
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| 129 | p_entry->p_prev = p_queue;
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| 130 | p_entry->p_next = p_queue->p_next;
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| 131 | p_queue->p_next->p_prev = p_entry;
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| 132 | p_queue->p_next = p_entry;
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| 133 | }
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| 134 |
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| 135 | /*
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| 136 | * ã¨ã³ããªã®åé¤
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| 137 | *
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| 138 | * p_entryããã¥ã¼ããåé¤ããï¼
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| 139 | */
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| 140 | Inline void
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| 141 | queue_delete(QUEUE *p_entry)
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| 142 | {
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| 143 | p_entry->p_prev->p_next = p_entry->p_next;
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| 144 | p_entry->p_next->p_prev = p_entry->p_prev;
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| 145 | }
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| 146 |
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| 147 | /*
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| 148 | * ãã¥ã¼ã®æ¬¡ã¨ã³ããªã®ååºã
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| 149 | *
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| 150 | * p_queueã®æ¬¡ã¨ã³ããªããã¥ã¼ããåé¤ãï¼åé¤ããã¨ã³ããªãè¿ãï¼
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| 151 | * p_queueã«ãã¥ã¼ããããæå®ããå ´åã«ã¯ï¼ãã¥ã¼ã®å
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| 152 | é ã®ã¨ã³ããªã
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| 153 | * åãåºããã¨ã«ãªãï¼p_queueã«ç©ºã®ãã¥ã¼ãæå®ãã¦å¼ã³åºãã¦ã¯ãªã
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| 154 | * ãªãï¼
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| 155 | */
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| 156 | Inline QUEUE *
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| 157 | queue_delete_next(QUEUE *p_queue)
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| 158 | {
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| 159 | QUEUE *p_entry;
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| 160 |
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| 161 | assert(p_queue->p_next != p_queue);
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| 162 | p_entry = p_queue->p_next;
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| 163 | p_queue->p_next = p_entry->p_next;
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| 164 | p_entry->p_next->p_prev = p_queue;
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| 165 | return(p_entry);
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| 166 | }
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| 167 |
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| 168 | /*
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| 169 | * ãã¥ã¼ã空ãã©ããã®ãã§ãã¯
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| 170 | *
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| 171 | * p_queueã«ã¯ãã¥ã¼ããããæå®ããï¼
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| 172 | */
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| 173 | Inline bool_t
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| 174 | queue_empty(QUEUE *p_queue)
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| 175 | {
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| 176 | if (p_queue->p_next == p_queue) {
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| 177 | assert(p_queue->p_prev == p_queue);
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| 178 | return(true);
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| 179 | }
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| 180 | return(false);
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| 181 | }
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| 182 |
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| 183 | #ifdef __cplusplus
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| 184 | }
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| 185 | #endif
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| 186 |
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| 187 | #endif /* TOPPERS_QUEUE_H */
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