Mercurial > hg > Members > kono > Cerium
annotate TaskManager/kernel/ppe/MailManager.cc @ 639:70c5c2d2eb24
fix
| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Thu, 19 Nov 2009 18:45:24 +0900 |
| parents | 42c94f85c779 |
| children | a909c50081c2 |
| rev | line source |
|---|---|
| 50 | 1 #include <stdio.h> |
| 2 #include <stdlib.h> | |
| 3 #include "MailManager.h" | |
| 4 | |
| 5 MailManager::MailManager(void) | |
| 6 :mailQueuePool(NULL), freeMailQueue(NULL) {} | |
| 7 | |
| 8 MailManager::~MailManager(void) { destroy(); } | |
| 9 | |
| 10 int | |
| 11 MailManager::init(int num) | |
| 12 { | |
| 13 if (!mailQueuePool) { | |
| 14 return extend_pool(num); | |
| 15 } | |
| 16 return 0; | |
| 17 } | |
| 18 | |
| 19 int | |
| 20 MailManager::extend_pool(int num) | |
| 21 { | |
| 22 MailQueuePtr q; | |
| 23 | |
| 24 q = (MailQueuePtr)malloc(sizeof(MailQueue)*(num+1)); | |
| 25 | |
| 26 if (q == NULL) { | |
| 27 return -1; | |
| 28 } | |
| 29 q->next = mailQueuePool; | |
| 30 mailQueuePool = q; | |
| 31 | |
| 32 /* Connect all free queue in the pool */ | |
| 33 for (q = mailQueuePool + 1; --num > 0; q++) { | |
| 34 q->next = q + 1; | |
| 35 } | |
| 36 q->next = freeMailQueue; | |
| 37 freeMailQueue = mailQueuePool + 1; | |
| 38 | |
| 39 return 0; | |
| 40 } | |
| 41 | |
| 42 MailQueuePtr | |
|
603
42c94f85c779
long -> memaddr (64 or 32)
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
602
diff
changeset
|
43 MailManager::create(memaddr data) |
| 50 | 44 { |
| 45 MailQueuePtr q; | |
| 46 | |
| 47 if (!freeMailQueue) { | |
| 48 extend_pool(30); | |
| 49 } | |
| 50 q = freeMailQueue; | |
| 51 freeMailQueue = freeMailQueue->next; | |
| 52 | |
| 53 q->data = data; | |
| 54 q->next = NULL; | |
| 55 | |
| 56 return q; | |
| 57 } | |
| 58 | |
| 59 void | |
| 60 MailManager::free(MailQueuePtr q) | |
| 61 { | |
| 62 q->next = freeMailQueue; | |
| 63 freeMailQueue = q; | |
| 64 } | |
| 65 | |
| 66 | |
| 67 void | |
| 68 MailManager::destroy(void) | |
| 69 { | |
| 70 MailQueuePtr q; | |
| 71 | |
| 194 | 72 #if 0 |
| 50 | 73 for (q = mailQueuePool; q; q = q->next) { |
| 74 free(q); | |
| 75 } | |
| 194 | 76 #else |
| 77 q = mailQueuePool; | |
| 78 while (q) { | |
| 79 MailQueuePtr tmp = q->next; | |
| 80 free(q); | |
| 81 q = tmp; | |
| 82 } | |
| 83 #endif | |
| 50 | 84 freeMailQueue = mailQueuePool = NULL; |
| 85 } | |
| 86 | |
| 87 | |
| 88 MailQueuePtr | |
| 89 MailManager::append_mailQueue(MailQueuePtr list, MailQueuePtr q) | |
| 90 { | |
| 91 MailQueuePtr p = list; | |
| 92 | |
| 93 if (p == NULL) { | |
| 94 return q; | |
| 95 } else { | |
| 96 while(p->next) p = p->next; | |
| 97 p->next = q; | |
| 98 return list; | |
| 99 } | |
| 100 } |