src/server/ucx/mempool.c

Sun, 30 Dec 2012 15:49:44 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Sun, 30 Dec 2012 15:49:44 +0100
changeset 39
de4bc3cd2d36
parent 31
280250e45ba6
child 71
069c152f6272
permissions
-rw-r--r--

added mime type configuration file

15
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
1 /*
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
2 *
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
3 */
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
4
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
5 #include <stdlib.h>
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
6 #include <string.h>
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
7 #include <stdio.h>
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
8 #include <errno.h>
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
9
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
10 #include "mempool.h"
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
11
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
12 typedef struct {
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
13 ucx_destructor destructor;
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
14 char c;
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
15 } ucx_memchunk;
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
16
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
17 typedef struct {
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
18 ucx_destructor destructor;
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
19 void *ptr;
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
20 } ucx_regdestr;
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
21
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
22 void ucx_mempool_shared_destr(void* ptr) {
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
23 ucx_regdestr *rd = (ucx_regdestr*)ptr;
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
24 rd->destructor(rd->ptr);
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
25 }
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
26
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
27 UcxMempool *ucx_mempool_new(size_t n) {
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
28 UcxMempool *pool = (UcxMempool*)malloc(sizeof(UcxMempool));
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
29 if (pool == NULL) return NULL;
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
30
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
31 pool->data = malloc(n * sizeof(void*));
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
32 if (pool->data == NULL) {
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
33 free(pool);
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
34 return NULL;
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
35 }
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
36
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
37 pool->ndata = 0;
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
38 pool->size = n;
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
39 return pool;
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
40 }
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
41
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
42 int ucx_mempool_chcap(UcxMempool *pool, size_t newcap) {
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
43 void **data = realloc(pool->data, newcap*sizeof(void*));
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
44 if (data == NULL) {
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
45 return ENOMEM;
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
46 } else {
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
47 pool->data = data;
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
48 pool->size = newcap;
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
49 return EXIT_SUCCESS;
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
50 }
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
51 }
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
52
31
280250e45ba6 updated ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 25
diff changeset
53 void *ucx_mempool_malloc(UcxMempool *pool, size_t n) {
15
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
54 ucx_memchunk *mem = (ucx_memchunk*)malloc(sizeof(ucx_destructor) + n);
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
55 if (mem == NULL) return NULL;
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
56
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
57 if (pool->ndata >= pool->size) {
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
58 ucx_mempool_chcap(pool, pool->size + 16);
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
59 }
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
60
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
61 mem->destructor = NULL;
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
62 pool->data[pool->ndata] = mem;
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
63 pool->ndata++;
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
64
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
65 return &mem->c;
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
66 }
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
67
31
280250e45ba6 updated ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 25
diff changeset
68 void *ucx_mempool_calloc(UcxMempool *pool, size_t nelem, size_t elsize) {
15
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
69 void *ptr = ucx_mempool_malloc(pool, nelem*elsize);
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
70 if(ptr == NULL) {
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
71 return NULL;
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
72 }
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
73 memset(ptr, 0, nelem * elsize);
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
74 return ptr;
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
75 }
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
76
31
280250e45ba6 updated ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 25
diff changeset
77 void *ucx_mempool_realloc(UcxMempool *pool, void *ptr, size_t n) {
280250e45ba6 updated ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 25
diff changeset
78 char *mem = ((char*)ptr) - sizeof(ucx_destructor);
15
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
79 char *newm = (char*) realloc(mem, n + sizeof(ucx_destructor));
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
80 if (newm == NULL) return NULL;
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
81 if (mem != newm) {
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
82 for(int i=0;i<pool->ndata;i++) {
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
83 if(pool->data[i] == mem) {
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
84 pool->data[i] = newm;
31
280250e45ba6 updated ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 25
diff changeset
85 return newm + sizeof(ucx_destructor);
15
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
86 }
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
87 }
31
280250e45ba6 updated ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 25
diff changeset
88 fprintf(stderr, "FATAL: %8x not in mpool %8x\n", ptr, pool);
15
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
89 exit(1);
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
90 } else {
31
280250e45ba6 updated ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 25
diff changeset
91 return newm + sizeof(ucx_destructor);
15
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
92 }
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
93 }
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
94
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
95 void ucx_mempool_free(UcxMempool *pool) {
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
96 ucx_memchunk *chunk;
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
97 for(int i=0;i<pool->ndata;i++) {
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
98 chunk = (ucx_memchunk*) pool->data[i];
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
99 if(chunk->destructor != NULL) {
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
100 chunk->destructor(&chunk->c);
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
101 }
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
102 free(chunk);
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
103 }
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
104 free(pool->data);
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
105 free(pool);
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
106 }
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
107
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
108 void ucx_mempool_set_destr(void *ptr, ucx_destructor func) {
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
109 *(ucx_destructor*)((char*)ptr-sizeof(ucx_destructor)) = func;
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
110 }
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
111
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
112 void ucx_mempool_reg_destr(UcxMempool *pool, void *ptr, ucx_destructor destr) {
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
113 ucx_regdestr *rd = (ucx_regdestr*)ucx_mempool_malloc(
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
114 pool,
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
115 sizeof(ucx_regdestr));
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
116 rd->destructor = destr;
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
117 rd->ptr = ptr;
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
118 ucx_mempool_set_destr(rd, ucx_mempool_shared_destr);
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
119 }

mercurial