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OF_ENSURE(OFTLSKeySet(numPreallocatedPagesKey,
(void *)numPreallocatedPages) == 0);
# endif
page = preallocatedPages[numPreallocatedPages];
if (numPreallocatedPages == 0) {
free(preallocatedPages);
preallocatedPages = NULL;
# if !defined(OF_HAVE_COMPILER_TLS) && defined(OF_HAVE_THREADS)
OF_ENSURE(OFTLSKeySet(preallocatedPagesKey,
preallocatedPages) == 0);
# endif
}
return page;
}
}
page = of_alloc(1, sizeof(*page));
@try {
page->map = of_alloc_zeroed(1, mapSize);
} @catch (id e) {
free(page);
@throw e;
}
@try {
page->page = mapPages(1);
} @catch (id e) {
free(page->map);
free(page);
@throw e;
}
of_explicit_memset(page->page, 0, pageSize);
# if !defined(OF_HAVE_COMPILER_TLS) && defined(OF_HAVE_THREADS)
lastPage = OFTLSKeyGet(lastPageKey);
# endif
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OF_ENSURE(OFTLSKeySet(numPreallocatedPagesKey,
(void *)numPreallocatedPages) == 0);
# endif
page = preallocatedPages[numPreallocatedPages];
if (numPreallocatedPages == 0) {
OFFreeMemory(preallocatedPages);
preallocatedPages = NULL;
# if !defined(OF_HAVE_COMPILER_TLS) && defined(OF_HAVE_THREADS)
OF_ENSURE(OFTLSKeySet(preallocatedPagesKey,
preallocatedPages) == 0);
# endif
}
return page;
}
}
page = OFAllocMemory(1, sizeof(*page));
@try {
page->map = OFAllocZeroedMemory(1, mapSize);
} @catch (id e) {
OFFreeMemory(page);
@throw e;
}
@try {
page->page = mapPages(1);
} @catch (id e) {
OFFreeMemory(page->map);
OFFreeMemory(page);
@throw e;
}
of_explicit_memset(page->page, 0, pageSize);
# if !defined(OF_HAVE_COMPILER_TLS) && defined(OF_HAVE_THREADS)
lastPage = OFTLSKeyGet(lastPageKey);
# endif
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CHAR_BIT;
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 (OFTLSKeyGet(firstPageKey) == page)
OF_ENSURE(OFTLSKeySet(firstPageKey, page->next) == 0);
if (OFTLSKeyGet(lastPageKey) == page)
OF_ENSURE(OFTLSKeySet(lastPageKey, page->previous) == 0);
# endif
free(page);
}
static void *
allocateMemory(struct page *page, size_t bytes)
{
size_t chunks, chunksLeft, pageSize, i, firstChunk;
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CHAR_BIT;
for (size_t i = 0; i < mapSize; i++)
if (map[i] != 0)
return;
unmapPages(page->page, 1);
OFFreeMemory(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 (OFTLSKeyGet(firstPageKey) == page)
OF_ENSURE(OFTLSKeySet(firstPageKey, page->next) == 0);
if (OFTLSKeyGet(lastPageKey) == page)
OF_ENSURE(OFTLSKeySet(lastPageKey, page->previous) == 0);
# endif
OFFreeMemory(page);
}
static void *
allocateMemory(struct page *page, size_t bytes)
{
size_t chunks, chunksLeft, pageSize, i, firstChunk;
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size_t numPreallocatedPages;
# endif
size_t i;
if (preallocatedPages != NULL)
@throw [OFInvalidArgumentException exception];
preallocatedPages = of_alloc_zeroed(numPages, sizeof(struct page));
# if !defined(OF_HAVE_COMPILER_TLS) && defined(OF_HAVE_THREADS)
OF_ENSURE(OFTLSKeySet(preallocatedPagesKey, preallocatedPages) == 0);
# endif
@try {
for (i = 0; i < numPages; i++)
preallocatedPages[i] = addPage(false);
} @catch (id e) {
for (size_t j = 0; j < i; j++)
removePageIfEmpty(preallocatedPages[j]);
free(preallocatedPages);
preallocatedPages = NULL;
@throw e;
}
numPreallocatedPages = numPages;
# if !defined(OF_HAVE_COMPILER_TLS) && defined(OF_HAVE_THREADS)
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size_t numPreallocatedPages;
# endif
size_t i;
if (preallocatedPages != NULL)
@throw [OFInvalidArgumentException exception];
preallocatedPages = OFAllocZeroedMemory(numPages, sizeof(struct page));
# if !defined(OF_HAVE_COMPILER_TLS) && defined(OF_HAVE_THREADS)
OF_ENSURE(OFTLSKeySet(preallocatedPagesKey, preallocatedPages) == 0);
# endif
@try {
for (i = 0; i < numPages; i++)
preallocatedPages[i] = addPage(false);
} @catch (id e) {
for (size_t j = 0; j < i; j++)
removePageIfEmpty(preallocatedPages[j]);
OFFreeMemory(preallocatedPages);
preallocatedPages = NULL;
@throw e;
}
numPreallocatedPages = numPages;
# if !defined(OF_HAVE_COMPILER_TLS) && defined(OF_HAVE_THREADS)
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size_t pageSize = [OFSystemInfo pageSize];
#endif
if (count > SIZE_MAX / itemSize)
@throw [OFOutOfRangeException exception];
if (allowsSwappableMemory) {
_items = of_alloc(count, itemSize);
_freeWhenDone = true;
memset(_items, 0, count * itemSize);
#if defined(HAVE_MMAP) && defined(HAVE_MLOCK) && defined(MAP_ANON)
} else if (count * itemSize >= pageSize)
_items = mapPages(OF_ROUND_UP_POW2(pageSize,
count * itemSize) / pageSize);
else {
|
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size_t pageSize = [OFSystemInfo pageSize];
#endif
if (count > SIZE_MAX / itemSize)
@throw [OFOutOfRangeException exception];
if (allowsSwappableMemory) {
_items = OFAllocMemory(count, itemSize);
_freeWhenDone = true;
memset(_items, 0, count * itemSize);
#if defined(HAVE_MMAP) && defined(HAVE_MLOCK) && defined(MAP_ANON)
} else if (count * itemSize >= pageSize)
_items = mapPages(OF_ROUND_UP_POW2(pageSize,
count * itemSize) / pageSize);
else {
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