src/mempool.c

Mon, 14 May 2018 18:12:14 +0200

author
Mike Becker <universe@uap-core.de>
date
Mon, 14 May 2018 18:12:14 +0200
changeset 308
d6f580621512
parent 270
3d80d425543b
permissions
-rw-r--r--

renames ucx_strcmp() to ucx_cmp_str()

13
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
1 /*
103
08018864fb91 added license and copyright notice to all files
Mike Becker <universe@uap-core.de>
parents: 95
diff changeset
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
13
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
3 *
259
2f5dea574a75 modules documentation
Mike Becker <universe@uap-core.de>
parents: 253
diff changeset
4 * Copyright 2017 Mike Becker, Olaf Wintermann All rights reserved.
103
08018864fb91 added license and copyright notice to all files
Mike Becker <universe@uap-core.de>
parents: 95
diff changeset
5 *
08018864fb91 added license and copyright notice to all files
Mike Becker <universe@uap-core.de>
parents: 95
diff changeset
6 * Redistribution and use in source and binary forms, with or without
08018864fb91 added license and copyright notice to all files
Mike Becker <universe@uap-core.de>
parents: 95
diff changeset
7 * modification, are permitted provided that the following conditions are met:
08018864fb91 added license and copyright notice to all files
Mike Becker <universe@uap-core.de>
parents: 95
diff changeset
8 *
08018864fb91 added license and copyright notice to all files
Mike Becker <universe@uap-core.de>
parents: 95
diff changeset
9 * 1. Redistributions of source code must retain the above copyright
08018864fb91 added license and copyright notice to all files
Mike Becker <universe@uap-core.de>
parents: 95
diff changeset
10 * notice, this list of conditions and the following disclaimer.
08018864fb91 added license and copyright notice to all files
Mike Becker <universe@uap-core.de>
parents: 95
diff changeset
11 *
08018864fb91 added license and copyright notice to all files
Mike Becker <universe@uap-core.de>
parents: 95
diff changeset
12 * 2. Redistributions in binary form must reproduce the above copyright
08018864fb91 added license and copyright notice to all files
Mike Becker <universe@uap-core.de>
parents: 95
diff changeset
13 * notice, this list of conditions and the following disclaimer in the
08018864fb91 added license and copyright notice to all files
Mike Becker <universe@uap-core.de>
parents: 95
diff changeset
14 * documentation and/or other materials provided with the distribution.
08018864fb91 added license and copyright notice to all files
Mike Becker <universe@uap-core.de>
parents: 95
diff changeset
15 *
08018864fb91 added license and copyright notice to all files
Mike Becker <universe@uap-core.de>
parents: 95
diff changeset
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
08018864fb91 added license and copyright notice to all files
Mike Becker <universe@uap-core.de>
parents: 95
diff changeset
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
08018864fb91 added license and copyright notice to all files
Mike Becker <universe@uap-core.de>
parents: 95
diff changeset
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
08018864fb91 added license and copyright notice to all files
Mike Becker <universe@uap-core.de>
parents: 95
diff changeset
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
08018864fb91 added license and copyright notice to all files
Mike Becker <universe@uap-core.de>
parents: 95
diff changeset
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
08018864fb91 added license and copyright notice to all files
Mike Becker <universe@uap-core.de>
parents: 95
diff changeset
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
08018864fb91 added license and copyright notice to all files
Mike Becker <universe@uap-core.de>
parents: 95
diff changeset
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
08018864fb91 added license and copyright notice to all files
Mike Becker <universe@uap-core.de>
parents: 95
diff changeset
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
08018864fb91 added license and copyright notice to all files
Mike Becker <universe@uap-core.de>
parents: 95
diff changeset
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
08018864fb91 added license and copyright notice to all files
Mike Becker <universe@uap-core.de>
parents: 95
diff changeset
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
08018864fb91 added license and copyright notice to all files
Mike Becker <universe@uap-core.de>
parents: 95
diff changeset
26 * POSSIBILITY OF SUCH DAMAGE.
13
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
27 */
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
28
251
fae240d633fc changes source directory structure in preperation for autotools rollout
Mike Becker <universe@uap-core.de>
parents: 250
diff changeset
29 #include "ucx/mempool.h"
fae240d633fc changes source directory structure in preperation for autotools rollout
Mike Becker <universe@uap-core.de>
parents: 250
diff changeset
30
13
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
31 #include <stdlib.h>
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
32 #include <string.h>
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
33 #include <stdio.h>
95
ecfdc1c4a552 added gnu++11 support
Mike Becker <universe@uap-core.de>
parents: 75
diff changeset
34 #ifdef __cplusplus
ecfdc1c4a552 added gnu++11 support
Mike Becker <universe@uap-core.de>
parents: 75
diff changeset
35 #define __STDC_FORMAT_MACROS
ecfdc1c4a552 added gnu++11 support
Mike Becker <universe@uap-core.de>
parents: 75
diff changeset
36 #endif
75
990734f548ef fixed some compiler warnings
Mike Becker <universe@uap-core.de>
parents: 69
diff changeset
37 #include <inttypes.h>
13
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
38
138
7800811078b8 documented map.h + changed return value of ucx_map_iter_next()
Mike Becker <universe@uap-core.de>
parents: 135
diff changeset
39 /** Capsule for destructible memory chunks. */
13
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
40 typedef struct {
138
7800811078b8 documented map.h + changed return value of ucx_map_iter_next()
Mike Becker <universe@uap-core.de>
parents: 135
diff changeset
41 /** The destructor for the memory chunk. */
13
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
42 ucx_destructor destructor;
138
7800811078b8 documented map.h + changed return value of ucx_map_iter_next()
Mike Becker <universe@uap-core.de>
parents: 135
diff changeset
43 /**
7800811078b8 documented map.h + changed return value of ucx_map_iter_next()
Mike Becker <universe@uap-core.de>
parents: 135
diff changeset
44 * First byte of the memory chunk.
7800811078b8 documented map.h + changed return value of ucx_map_iter_next()
Mike Becker <universe@uap-core.de>
parents: 135
diff changeset
45 * Note, that the address <code>&amp;c</code> is also the address
7800811078b8 documented map.h + changed return value of ucx_map_iter_next()
Mike Becker <universe@uap-core.de>
parents: 135
diff changeset
46 * of the whole memory chunk.
7800811078b8 documented map.h + changed return value of ucx_map_iter_next()
Mike Becker <universe@uap-core.de>
parents: 135
diff changeset
47 */
13
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
48 char c;
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
49 } ucx_memchunk;
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
50
138
7800811078b8 documented map.h + changed return value of ucx_map_iter_next()
Mike Becker <universe@uap-core.de>
parents: 135
diff changeset
51 /** Capsule for data and its destructor. */
13
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
52 typedef struct {
138
7800811078b8 documented map.h + changed return value of ucx_map_iter_next()
Mike Becker <universe@uap-core.de>
parents: 135
diff changeset
53 /** The destructor for the data. */
13
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
54 ucx_destructor destructor;
138
7800811078b8 documented map.h + changed return value of ucx_map_iter_next()
Mike Becker <universe@uap-core.de>
parents: 135
diff changeset
55 /** A pointer to the data. */
13
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
56 void *ptr;
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
57 } ucx_regdestr;
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
58
253
e19825a1430a removes unnecessary macros from ucx.h + removes the usage of restrict and _Bool completely, instead of defining macros
Mike Becker <universe@uap-core.de>
parents: 251
diff changeset
59 #ifdef __cplusplus
e19825a1430a removes unnecessary macros from ucx.h + removes the usage of restrict and _Bool completely, instead of defining macros
Mike Becker <universe@uap-core.de>
parents: 251
diff changeset
60 extern "C"
e19825a1430a removes unnecessary macros from ucx.h + removes the usage of restrict and _Bool completely, instead of defining macros
Mike Becker <universe@uap-core.de>
parents: 251
diff changeset
61 #endif
e19825a1430a removes unnecessary macros from ucx.h + removes the usage of restrict and _Bool completely, instead of defining macros
Mike Becker <universe@uap-core.de>
parents: 251
diff changeset
62 void ucx_mempool_shared_destr(void* ptr) {
13
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
63 ucx_regdestr *rd = (ucx_regdestr*)ptr;
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
64 rd->destructor(rd->ptr);
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
65 }
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
66
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
67 UcxMempool *ucx_mempool_new(size_t n) {
270
3d80d425543b adds integer overflow checks
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 259
diff changeset
68 size_t poolsz;
3d80d425543b adds integer overflow checks
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 259
diff changeset
69 if(ucx_szmul(n, sizeof(void*), &poolsz)) {
3d80d425543b adds integer overflow checks
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 259
diff changeset
70 return NULL;
3d80d425543b adds integer overflow checks
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 259
diff changeset
71 }
3d80d425543b adds integer overflow checks
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 259
diff changeset
72
14
b78e174b6814 Fixed realloc
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 13
diff changeset
73 UcxMempool *pool = (UcxMempool*)malloc(sizeof(UcxMempool));
135
a0aa1c15f46b documented mempool + some fixes
Mike Becker <universe@uap-core.de>
parents: 131
diff changeset
74 if (!pool) {
a0aa1c15f46b documented mempool + some fixes
Mike Becker <universe@uap-core.de>
parents: 131
diff changeset
75 return NULL;
a0aa1c15f46b documented mempool + some fixes
Mike Becker <universe@uap-core.de>
parents: 131
diff changeset
76 }
15
2dc4c688c262 fixed mpool compiler warnings
Mike Becker <universe@uap-core.de>
parents: 14
diff changeset
77
270
3d80d425543b adds integer overflow checks
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 259
diff changeset
78 pool->data = (void**) malloc(poolsz);
15
2dc4c688c262 fixed mpool compiler warnings
Mike Becker <universe@uap-core.de>
parents: 14
diff changeset
79 if (pool->data == NULL) {
2dc4c688c262 fixed mpool compiler warnings
Mike Becker <universe@uap-core.de>
parents: 14
diff changeset
80 free(pool);
2dc4c688c262 fixed mpool compiler warnings
Mike Becker <universe@uap-core.de>
parents: 14
diff changeset
81 return NULL;
2dc4c688c262 fixed mpool compiler warnings
Mike Becker <universe@uap-core.de>
parents: 14
diff changeset
82 }
2dc4c688c262 fixed mpool compiler warnings
Mike Becker <universe@uap-core.de>
parents: 14
diff changeset
83
13
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
84 pool->ndata = 0;
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
85 pool->size = n;
158
81d580042da1 Added allocator to mempool struct + fixed suncc.mk
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 141
diff changeset
86
81d580042da1 Added allocator to mempool struct + fixed suncc.mk
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 141
diff changeset
87 UcxAllocator *allocator = (UcxAllocator*)malloc(sizeof(UcxAllocator));
81d580042da1 Added allocator to mempool struct + fixed suncc.mk
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 141
diff changeset
88 if(!allocator) {
81d580042da1 Added allocator to mempool struct + fixed suncc.mk
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 141
diff changeset
89 free(pool->data);
81d580042da1 Added allocator to mempool struct + fixed suncc.mk
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 141
diff changeset
90 free(pool);
81d580042da1 Added allocator to mempool struct + fixed suncc.mk
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 141
diff changeset
91 return NULL;
81d580042da1 Added allocator to mempool struct + fixed suncc.mk
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 141
diff changeset
92 }
81d580042da1 Added allocator to mempool struct + fixed suncc.mk
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 141
diff changeset
93 allocator->malloc = (ucx_allocator_malloc)ucx_mempool_malloc;
81d580042da1 Added allocator to mempool struct + fixed suncc.mk
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 141
diff changeset
94 allocator->calloc = (ucx_allocator_calloc)ucx_mempool_calloc;
81d580042da1 Added allocator to mempool struct + fixed suncc.mk
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 141
diff changeset
95 allocator->realloc = (ucx_allocator_realloc)ucx_mempool_realloc;
81d580042da1 Added allocator to mempool struct + fixed suncc.mk
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 141
diff changeset
96 allocator->free = (ucx_allocator_free)ucx_mempool_free;
81d580042da1 Added allocator to mempool struct + fixed suncc.mk
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 141
diff changeset
97 allocator->pool = pool;
81d580042da1 Added allocator to mempool struct + fixed suncc.mk
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 141
diff changeset
98 pool->allocator = allocator;
81d580042da1 Added allocator to mempool struct + fixed suncc.mk
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 141
diff changeset
99
13
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
100 return pool;
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
101 }
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
102
15
2dc4c688c262 fixed mpool compiler warnings
Mike Becker <universe@uap-core.de>
parents: 14
diff changeset
103 int ucx_mempool_chcap(UcxMempool *pool, size_t newcap) {
241
661f33ef20d8 removes unused ucx_mempool_clamp() and changes storage behavior of mempool to increase the capacity by a factor of two
Mike Becker <universe@uap-core.de>
parents: 240
diff changeset
104 if (newcap < pool->ndata) {
661f33ef20d8 removes unused ucx_mempool_clamp() and changes storage behavior of mempool to increase the capacity by a factor of two
Mike Becker <universe@uap-core.de>
parents: 240
diff changeset
105 return 1;
661f33ef20d8 removes unused ucx_mempool_clamp() and changes storage behavior of mempool to increase the capacity by a factor of two
Mike Becker <universe@uap-core.de>
parents: 240
diff changeset
106 }
661f33ef20d8 removes unused ucx_mempool_clamp() and changes storage behavior of mempool to increase the capacity by a factor of two
Mike Becker <universe@uap-core.de>
parents: 240
diff changeset
107
270
3d80d425543b adds integer overflow checks
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 259
diff changeset
108 size_t newcapsz;
3d80d425543b adds integer overflow checks
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 259
diff changeset
109 if(ucx_szmul(newcap, sizeof(void*), &newcapsz)) {
3d80d425543b adds integer overflow checks
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 259
diff changeset
110 return 1;
3d80d425543b adds integer overflow checks
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 259
diff changeset
111 }
3d80d425543b adds integer overflow checks
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 259
diff changeset
112
3d80d425543b adds integer overflow checks
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 259
diff changeset
113 void **data = (void**) realloc(pool->data, newcapsz);
135
a0aa1c15f46b documented mempool + some fixes
Mike Becker <universe@uap-core.de>
parents: 131
diff changeset
114 if (data) {
15
2dc4c688c262 fixed mpool compiler warnings
Mike Becker <universe@uap-core.de>
parents: 14
diff changeset
115 pool->data = data;
2dc4c688c262 fixed mpool compiler warnings
Mike Becker <universe@uap-core.de>
parents: 14
diff changeset
116 pool->size = newcap;
241
661f33ef20d8 removes unused ucx_mempool_clamp() and changes storage behavior of mempool to increase the capacity by a factor of two
Mike Becker <universe@uap-core.de>
parents: 240
diff changeset
117 return 0;
135
a0aa1c15f46b documented mempool + some fixes
Mike Becker <universe@uap-core.de>
parents: 131
diff changeset
118 } else {
241
661f33ef20d8 removes unused ucx_mempool_clamp() and changes storage behavior of mempool to increase the capacity by a factor of two
Mike Becker <universe@uap-core.de>
parents: 240
diff changeset
119 return 1;
15
2dc4c688c262 fixed mpool compiler warnings
Mike Becker <universe@uap-core.de>
parents: 14
diff changeset
120 }
13
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
121 }
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
122
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
123 void *ucx_mempool_malloc(UcxMempool *pool, size_t n) {
270
3d80d425543b adds integer overflow checks
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 259
diff changeset
124 if(((size_t)-1) - sizeof(ucx_destructor) < n) {
3d80d425543b adds integer overflow checks
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 259
diff changeset
125 return NULL;
3d80d425543b adds integer overflow checks
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 259
diff changeset
126 }
3d80d425543b adds integer overflow checks
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 259
diff changeset
127
141
c466e2a6cbd0 added mempool clamp + some minor fixes
Mike Becker <universe@uap-core.de>
parents: 138
diff changeset
128 if (pool->ndata >= pool->size) {
242
a3597d704421 safe one multiplication in overflow check for mempool_chcap()
Mike Becker <universe@uap-core.de>
parents: 241
diff changeset
129 size_t newcap = pool->size*2;
a3597d704421 safe one multiplication in overflow check for mempool_chcap()
Mike Becker <universe@uap-core.de>
parents: 241
diff changeset
130 if (newcap < pool->size || ucx_mempool_chcap(pool, newcap)) {
141
c466e2a6cbd0 added mempool clamp + some minor fixes
Mike Becker <universe@uap-core.de>
parents: 138
diff changeset
131 return NULL;
c466e2a6cbd0 added mempool clamp + some minor fixes
Mike Becker <universe@uap-core.de>
parents: 138
diff changeset
132 }
c466e2a6cbd0 added mempool clamp + some minor fixes
Mike Becker <universe@uap-core.de>
parents: 138
diff changeset
133 }
c466e2a6cbd0 added mempool clamp + some minor fixes
Mike Becker <universe@uap-core.de>
parents: 138
diff changeset
134
248
dff45a2234ce explicit cast from (void*) for (ucx_memchunk*) to silence a warning
Mike Becker <universe@uap-core.de>
parents: 242
diff changeset
135 void *p = malloc(sizeof(ucx_destructor) + n);
dff45a2234ce explicit cast from (void*) for (ucx_memchunk*) to silence a warning
Mike Becker <universe@uap-core.de>
parents: 242
diff changeset
136 ucx_memchunk *mem = (ucx_memchunk*)p;
135
a0aa1c15f46b documented mempool + some fixes
Mike Becker <universe@uap-core.de>
parents: 131
diff changeset
137 if (!mem) {
a0aa1c15f46b documented mempool + some fixes
Mike Becker <universe@uap-core.de>
parents: 131
diff changeset
138 return NULL;
a0aa1c15f46b documented mempool + some fixes
Mike Becker <universe@uap-core.de>
parents: 131
diff changeset
139 }
13
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
140
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
141 mem->destructor = NULL;
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
142 pool->data[pool->ndata] = mem;
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
143 pool->ndata++;
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
144
135
a0aa1c15f46b documented mempool + some fixes
Mike Becker <universe@uap-core.de>
parents: 131
diff changeset
145 return &(mem->c);
13
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
146 }
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
147
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
148 void *ucx_mempool_calloc(UcxMempool *pool, size_t nelem, size_t elsize) {
270
3d80d425543b adds integer overflow checks
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 259
diff changeset
149 size_t msz;
3d80d425543b adds integer overflow checks
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 259
diff changeset
150 if(ucx_szmul(nelem, elsize, &msz)) {
3d80d425543b adds integer overflow checks
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 259
diff changeset
151 return NULL;
3d80d425543b adds integer overflow checks
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 259
diff changeset
152 }
3d80d425543b adds integer overflow checks
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 259
diff changeset
153
3d80d425543b adds integer overflow checks
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 259
diff changeset
154 void *ptr = ucx_mempool_malloc(pool, msz);
135
a0aa1c15f46b documented mempool + some fixes
Mike Becker <universe@uap-core.de>
parents: 131
diff changeset
155 if (!ptr) {
13
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
156 return NULL;
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
157 }
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
158 memset(ptr, 0, nelem * elsize);
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
159 return ptr;
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
160 }
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
161
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
162 void *ucx_mempool_realloc(UcxMempool *pool, void *ptr, size_t n) {
270
3d80d425543b adds integer overflow checks
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 259
diff changeset
163 if(((size_t)-1) - sizeof(ucx_destructor) < n) {
3d80d425543b adds integer overflow checks
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 259
diff changeset
164 return NULL;
3d80d425543b adds integer overflow checks
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 259
diff changeset
165 }
3d80d425543b adds integer overflow checks
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 259
diff changeset
166
28
1666cbeb1db8 new mempool tests
Mike Becker <universe@uap-core.de>
parents: 17
diff changeset
167 char *mem = ((char*)ptr) - sizeof(ucx_destructor);
15
2dc4c688c262 fixed mpool compiler warnings
Mike Becker <universe@uap-core.de>
parents: 14
diff changeset
168 char *newm = (char*) realloc(mem, n + sizeof(ucx_destructor));
135
a0aa1c15f46b documented mempool + some fixes
Mike Becker <universe@uap-core.de>
parents: 131
diff changeset
169 if (!newm) {
a0aa1c15f46b documented mempool + some fixes
Mike Becker <universe@uap-core.de>
parents: 131
diff changeset
170 return NULL;
a0aa1c15f46b documented mempool + some fixes
Mike Becker <universe@uap-core.de>
parents: 131
diff changeset
171 }
15
2dc4c688c262 fixed mpool compiler warnings
Mike Becker <universe@uap-core.de>
parents: 14
diff changeset
172 if (mem != newm) {
95
ecfdc1c4a552 added gnu++11 support
Mike Becker <universe@uap-core.de>
parents: 75
diff changeset
173 for(size_t i=0 ; i < pool->ndata ; i++) {
14
b78e174b6814 Fixed realloc
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 13
diff changeset
174 if(pool->data[i] == mem) {
b78e174b6814 Fixed realloc
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 13
diff changeset
175 pool->data[i] = newm;
28
1666cbeb1db8 new mempool tests
Mike Becker <universe@uap-core.de>
parents: 17
diff changeset
176 return newm + sizeof(ucx_destructor);
14
b78e174b6814 Fixed realloc
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 13
diff changeset
177 }
13
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
178 }
116
234920008754 some fixes and some documentation
Mike Becker <universe@uap-core.de>
parents: 113
diff changeset
179 fprintf(stderr, "FATAL: 0x%08" PRIxPTR" not in mpool 0x%08" PRIxPTR"\n",
75
990734f548ef fixed some compiler warnings
Mike Becker <universe@uap-core.de>
parents: 69
diff changeset
180 (intptr_t)ptr, (intptr_t)pool);
241
661f33ef20d8 removes unused ucx_mempool_clamp() and changes storage behavior of mempool to increase the capacity by a factor of two
Mike Becker <universe@uap-core.de>
parents: 240
diff changeset
181 abort();
16
b4769e4eb4d1 fixed ultra fail + renamed files from mpool to mempool
Mike Becker <universe@uap-core.de>
parents: 15
diff changeset
182 } else {
28
1666cbeb1db8 new mempool tests
Mike Becker <universe@uap-core.de>
parents: 17
diff changeset
183 return newm + sizeof(ucx_destructor);
13
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
184 }
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
185 }
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
186
113
8693d7874773 added mempool allocator
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 103
diff changeset
187 void ucx_mempool_free(UcxMempool *pool, void *ptr) {
8693d7874773 added mempool allocator
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 103
diff changeset
188 ucx_memchunk *chunk = (ucx_memchunk*)((char*)ptr-sizeof(ucx_destructor));
8693d7874773 added mempool allocator
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 103
diff changeset
189 for(size_t i=0 ; i<pool->ndata ; i++) {
8693d7874773 added mempool allocator
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 103
diff changeset
190 if(chunk == pool->data[i]) {
8693d7874773 added mempool allocator
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 103
diff changeset
191 if(chunk->destructor != NULL) {
141
c466e2a6cbd0 added mempool clamp + some minor fixes
Mike Becker <universe@uap-core.de>
parents: 138
diff changeset
192 chunk->destructor(&(chunk->c));
113
8693d7874773 added mempool allocator
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 103
diff changeset
193 }
8693d7874773 added mempool allocator
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 103
diff changeset
194 free(chunk);
8693d7874773 added mempool allocator
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 103
diff changeset
195 size_t last_index = pool->ndata - 1;
8693d7874773 added mempool allocator
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 103
diff changeset
196 if(i != last_index) {
8693d7874773 added mempool allocator
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 103
diff changeset
197 pool->data[i] = pool->data[last_index];
141
c466e2a6cbd0 added mempool clamp + some minor fixes
Mike Becker <universe@uap-core.de>
parents: 138
diff changeset
198 pool->data[last_index] = NULL;
113
8693d7874773 added mempool allocator
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 103
diff changeset
199 }
8693d7874773 added mempool allocator
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 103
diff changeset
200 pool->ndata--;
8693d7874773 added mempool allocator
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 103
diff changeset
201 return;
8693d7874773 added mempool allocator
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 103
diff changeset
202 }
8693d7874773 added mempool allocator
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 103
diff changeset
203 }
116
234920008754 some fixes and some documentation
Mike Becker <universe@uap-core.de>
parents: 113
diff changeset
204 fprintf(stderr, "FATAL: 0x%08" PRIxPTR" not in mpool 0x%08" PRIxPTR"\n",
113
8693d7874773 added mempool allocator
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 103
diff changeset
205 (intptr_t)ptr, (intptr_t)pool);
240
8f937a3a6d11 ucx_mempool_free() aborts execution instead of just exiting on failure
Mike Becker <universe@uap-core.de>
parents: 225
diff changeset
206 abort();
113
8693d7874773 added mempool allocator
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 103
diff changeset
207 }
8693d7874773 added mempool allocator
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 103
diff changeset
208
8693d7874773 added mempool allocator
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 103
diff changeset
209 void ucx_mempool_destroy(UcxMempool *pool) {
13
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
210 ucx_memchunk *chunk;
95
ecfdc1c4a552 added gnu++11 support
Mike Becker <universe@uap-core.de>
parents: 75
diff changeset
211 for(size_t i=0 ; i<pool->ndata ; i++) {
13
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
212 chunk = (ucx_memchunk*) pool->data[i];
113
8693d7874773 added mempool allocator
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 103
diff changeset
213 if(chunk) {
135
a0aa1c15f46b documented mempool + some fixes
Mike Becker <universe@uap-core.de>
parents: 131
diff changeset
214 if(chunk->destructor) {
a0aa1c15f46b documented mempool + some fixes
Mike Becker <universe@uap-core.de>
parents: 131
diff changeset
215 chunk->destructor(&(chunk->c));
113
8693d7874773 added mempool allocator
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 103
diff changeset
216 }
8693d7874773 added mempool allocator
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 103
diff changeset
217 free(chunk);
13
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
218 }
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
219 }
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
220 free(pool->data);
158
81d580042da1 Added allocator to mempool struct + fixed suncc.mk
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 141
diff changeset
221 free(pool->allocator);
13
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
222 free(pool);
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
223 }
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
224
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
225 void ucx_mempool_set_destr(void *ptr, ucx_destructor func) {
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
226 *(ucx_destructor*)((char*)ptr-sizeof(ucx_destructor)) = func;
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
227 }
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
228
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
229 void ucx_mempool_reg_destr(UcxMempool *pool, void *ptr, ucx_destructor destr) {
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
230 ucx_regdestr *rd = (ucx_regdestr*)ucx_mempool_malloc(
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
231 pool,
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
232 sizeof(ucx_regdestr));
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
233 rd->destructor = destr;
14
b78e174b6814 Fixed realloc
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 13
diff changeset
234 rd->ptr = ptr;
13
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
235 ucx_mempool_set_destr(rd, ucx_mempool_shared_destr);
98ac89e3aa37 Added mempool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
236 }
113
8693d7874773 added mempool allocator
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 103
diff changeset
237

mercurial