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1 #include "SkVarAlloc.h" | 1 #include "SkVarAlloc.h" |
2 | 2 |
3 // We use non-standard malloc diagnostic methods to make sure our allocations ar
e sized well. | 3 // We use non-standard malloc diagnostic methods to make sure our allocations ar
e sized well. |
4 #if defined(SK_BUILD_FOR_MAC) | 4 #if defined(SK_BUILD_FOR_MAC) |
5 #include <malloc/malloc.h> | 5 #include <malloc/malloc.h> |
6 #elif defined(SK_BUILD_FOR_UNIX) || defined(SK_BUILD_FOR_WIN32) | 6 #elif defined(SK_BUILD_FOR_UNIX) || defined(SK_BUILD_FOR_WIN32) |
7 #include <malloc.h> | 7 #include <malloc.h> |
8 #endif | 8 #endif |
9 | 9 |
10 struct SkVarAlloc::Block { | 10 struct SkVarAlloc::Block { |
(...skipping 29 matching lines...) Expand all Loading... |
40 size_t alloc = 1<<fLgSize++; | 40 size_t alloc = 1<<fLgSize++; |
41 while (alloc < bytes + sizeof(Block)) { | 41 while (alloc < bytes + sizeof(Block)) { |
42 alloc *= 2; | 42 alloc *= 2; |
43 } | 43 } |
44 fBlock = Block::Alloc(fBlock, alloc, flags); | 44 fBlock = Block::Alloc(fBlock, alloc, flags); |
45 fByte = fBlock->data(); | 45 fByte = fBlock->data(); |
46 fRemaining = alloc - sizeof(Block); | 46 fRemaining = alloc - sizeof(Block); |
47 | 47 |
48 #if defined(SK_BUILD_FOR_MAC) | 48 #if defined(SK_BUILD_FOR_MAC) |
49 SkASSERT(alloc == malloc_good_size(alloc)); | 49 SkASSERT(alloc == malloc_good_size(alloc)); |
50 #elif defined(SK_BUILD_FOR_UNIX) | 50 #elif defined(SK_BUILD_FOR_UNIX) && !defined(__UCLIBC__) |
51 // TODO(mtklein): tune so we can assert something like this | 51 // TODO(mtklein): tune so we can assert something like this |
52 //SkASSERT(alloc == malloc_usable_size(fBlock)); | 52 //SkASSERT(alloc == malloc_usable_size(fBlock)); |
53 #endif | 53 #endif |
54 } | 54 } |
55 | 55 |
56 static size_t heap_size(void* p) { | 56 static size_t heap_size(void* p) { |
57 #if defined(SK_BUILD_FOR_MAC) | 57 #if defined(SK_BUILD_FOR_MAC) |
58 return malloc_size(p); | 58 return malloc_size(p); |
59 #elif defined(SK_BUILD_FOR_UNIX) | 59 #elif defined(SK_BUILD_FOR_UNIX) && !defined(__UCLIBC__) |
60 return malloc_usable_size(p); | 60 return malloc_usable_size(p); |
61 #elif defined(SK_BUILD_FOR_WIN32) | 61 #elif defined(SK_BUILD_FOR_WIN32) |
62 return _msize(p); | 62 return _msize(p); |
63 #else | 63 #else |
64 return 0; // Tough luck. | 64 return 0; // Tough luck. |
65 #endif | 65 #endif |
66 } | 66 } |
67 | 67 |
68 size_t SkVarAlloc::approxBytesAllocated() const { | 68 size_t SkVarAlloc::approxBytesAllocated() const { |
69 size_t sum = 0; | 69 size_t sum = 0; |
70 for (Block* b = fBlock; b; b = b->prev) { | 70 for (Block* b = fBlock; b; b = b->prev) { |
71 sum += heap_size(b); | 71 sum += heap_size(b); |
72 } | 72 } |
73 return sum; | 73 return sum; |
74 } | 74 } |
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