|
3
|
1 #include <stdio.h>
|
|
5
|
2 #include <stdlib.h>
|
|
3
|
3 #include "MailManager.h"
|
|
|
4
|
|
|
5 int
|
|
|
6 MailManager::init_pool_mailQueue(int num)
|
|
|
7 {
|
|
|
8 if (!mailQueuePool) {
|
|
|
9 return extend_pool_mailQueue(num);
|
|
|
10 }
|
|
|
11 return 0;
|
|
|
12 }
|
|
|
13
|
|
|
14 int
|
|
|
15 MailManager::extend_pool_mailQueue(int num)
|
|
|
16 {
|
|
|
17 MailQueuePtr q;
|
|
|
18
|
|
5
|
19 q = (MailQueuePtr)malloc(sizeof(MailQueue)*(num+1));
|
|
3
|
20
|
|
|
21 if (q == NULL) {
|
|
|
22 return -1;
|
|
|
23 }
|
|
|
24 q->next = mailQueuePool;
|
|
|
25 mailQueuePool = q;
|
|
|
26
|
|
|
27 /* Connect all free queue in the pool */
|
|
6
|
28 for (q = mailQueuePool + 1; --num > 0; q++) {
|
|
3
|
29 q->next = q + 1;
|
|
|
30 }
|
|
|
31 q->next = freeMailQueue;
|
|
|
32 freeMailQueue = mailQueuePool + 1;
|
|
|
33
|
|
|
34 return 0;
|
|
|
35 }
|
|
|
36
|
|
|
37 MailQueuePtr
|
|
|
38 MailManager::create_mail(unsigned int data)
|
|
|
39 {
|
|
|
40 return get_free_mailQueue(data);
|
|
|
41 }
|
|
|
42
|
|
|
43 MailQueuePtr
|
|
|
44 MailManager::get_free_mailQueue(unsigned int data)
|
|
|
45 {
|
|
|
46 MailQueuePtr q;
|
|
|
47
|
|
|
48 if (!freeMailQueue) {
|
|
|
49 extend_pool_mailQueue(30);
|
|
|
50 }
|
|
|
51 q = freeMailQueue;
|
|
|
52 freeMailQueue = freeMailQueue->next;
|
|
|
53
|
|
|
54 q->data = data;
|
|
|
55 q->next = NULL;
|
|
|
56
|
|
|
57 return q;
|
|
|
58 }
|
|
|
59
|
|
|
60 void
|
|
|
61 MailManager::free_mailQueue(MailQueuePtr q)
|
|
|
62 {
|
|
|
63 q->next = freeMailQueue;
|
|
|
64 freeMailQueue = q;
|
|
|
65 }
|
|
|
66
|
|
|
67
|
|
|
68 MailQueuePtr
|
|
|
69 append_mailQueue(MailQueuePtr list, MailQueuePtr q)
|
|
|
70 {
|
|
|
71 MailQueuePtr p = list;
|
|
|
72
|
|
|
73 if (p == NULL) {
|
|
|
74 return q;
|
|
|
75 } else {
|
|
|
76 while(p->next) p = p->next;
|
|
|
77 p->next = q;
|
|
|
78 return list;
|
|
|
79 }
|
|
|
80 }
|
