124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
|
OF_ENSURE(of_tlskey_set(numPreallocatedPagesKey,
(void *)numPreallocatedPages));
# endif
page = preallocatedPages[numPreallocatedPages];
if (numPreallocatedPages == 0) {
free(preallocatedPages);
preallocatedPages = NULL;
# if !defined(OF_HAVE_COMPILER_TLS) && defined(OF_HAVE_THREADS)
OF_ENSURE(of_tlskey_set(preallocatedPagesKey,
preallocatedPages));
# endif
}
return page;
}
}
if ((page = malloc(sizeof(*page))) == NULL)
@throw [OFOutOfMemoryException
exceptionWithRequestedSize: sizeof(*page)];
if ((page->map = calloc(1, mapSize)) == NULL)
@throw [OFOutOfMemoryException
exceptionWithRequestedSize: mapSize];
page->page = mapPages(1);
of_explicit_memset(page->page, 0, pageSize);
# if !defined(OF_HAVE_COMPILER_TLS) && defined(OF_HAVE_THREADS)
lastPage = of_tlskey_get(lastPageKey);
# endif
|
|
|
<
<
<
|
<
<
<
|
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
OF_ENSURE(of_tlskey_set(numPreallocatedPagesKey,
(void *)numPreallocatedPages));
# endif
page = preallocatedPages[numPreallocatedPages];
if (numPreallocatedPages == 0) {
of_free(preallocatedPages);
preallocatedPages = NULL;
# if !defined(OF_HAVE_COMPILER_TLS) && defined(OF_HAVE_THREADS)
OF_ENSURE(of_tlskey_set(preallocatedPagesKey,
preallocatedPages));
# endif
}
return page;
}
}
page = of_malloc(1, sizeof(*page));
page->map = of_calloc(1, mapSize);
page->page = mapPages(1);
of_explicit_memset(page->page, 0, pageSize);
# if !defined(OF_HAVE_COMPILER_TLS) && defined(OF_HAVE_THREADS)
lastPage = of_tlskey_get(lastPageKey);
# endif
|
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
|
size_t mapSize = OF_ROUND_UP_POW2(8, pageSize / CHUNK_SIZE) / 8;
for (size_t i = 0; i < mapSize; i++)
if (map[i] != 0)
return;
unmapPages(page->page, 1);
free(page->map);
if (page->previous != NULL)
page->previous->next = page->next;
if (page->next != NULL)
page->next->previous = page->previous;
# if defined(OF_HAVE_COMPILER_TLS) || !defined(OF_HAVE_THREADS)
if (firstPage == page)
firstPage = page->next;
if (lastPage == page)
lastPage = page->previous;
# else
if (of_tlskey_get(firstPageKey) == page)
OF_ENSURE(of_tlskey_set(firstPageKey, page->next));
if (of_tlskey_get(lastPageKey) == page)
OF_ENSURE(of_tlskey_set(lastPageKey, page->previous));
# endif
free(page);
}
static void *
allocateMemory(struct page *page, size_t bytes)
{
size_t chunks, chunksLeft, pageSize, i, firstChunk;
|
|
|
|
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
|
size_t mapSize = OF_ROUND_UP_POW2(8, pageSize / CHUNK_SIZE) / 8;
for (size_t i = 0; i < mapSize; i++)
if (map[i] != 0)
return;
unmapPages(page->page, 1);
of_free(page->map);
if (page->previous != NULL)
page->previous->next = page->next;
if (page->next != NULL)
page->next->previous = page->previous;
# if defined(OF_HAVE_COMPILER_TLS) || !defined(OF_HAVE_THREADS)
if (firstPage == page)
firstPage = page->next;
if (lastPage == page)
lastPage = page->previous;
# else
if (of_tlskey_get(firstPageKey) == page)
OF_ENSURE(of_tlskey_set(firstPageKey, page->next));
if (of_tlskey_get(lastPageKey) == page)
OF_ENSURE(of_tlskey_set(lastPageKey, page->previous));
# endif
of_free(page);
}
static void *
allocateMemory(struct page *page, size_t bytes)
{
size_t chunks, chunksLeft, pageSize, i, firstChunk;
|
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
|
struct page **preallocatedPages = of_tlskey_get(preallocatedPagesKey);
size_t numPreallocatedPages;
# endif
if (preallocatedPages != NULL)
@throw [OFInvalidArgumentException exception];
preallocatedPages = calloc(numPages, sizeof(struct page));
if (preallocatedPages == NULL)
@throw [OFOutOfMemoryException
exceptionWithRequestedSize: numPages * sizeof(struct page)];
# if !defined(OF_HAVE_COMPILER_TLS) && defined(OF_HAVE_THREADS)
of_tlskey_set(preallocatedPagesKey, preallocatedPages);
# endif
for (size_t i = 0; i < numPages; i++)
preallocatedPages[i] = addPage(false);
|
|
<
<
<
<
|
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
|
struct page **preallocatedPages = of_tlskey_get(preallocatedPagesKey);
size_t numPreallocatedPages;
# endif
if (preallocatedPages != NULL)
@throw [OFInvalidArgumentException exception];
preallocatedPages = of_calloc(numPages, sizeof(struct page));
# if !defined(OF_HAVE_COMPILER_TLS) && defined(OF_HAVE_THREADS)
of_tlskey_set(preallocatedPagesKey, preallocatedPages);
# endif
for (size_t i = 0; i < numPages; i++)
preallocatedPages[i] = addPage(false);
|