comparison: test/util_allocator.h
test/util_allocator.h
- changeset 518
- 74d0372f5c6f
- parent 500
- eb9e7bd40a8e
- child 571
- f83583a0bbac
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| 517:b3baaf9b7e3c | 518:74d0372f5c6f |
|---|---|
| 29 #ifndef UCX_UTIL_ALLOCATOR_H | 29 #ifndef UCX_UTIL_ALLOCATOR_H |
| 30 #define UCX_UTIL_ALLOCATOR_H | 30 #define UCX_UTIL_ALLOCATOR_H |
| 31 | 31 |
| 32 #include "cx/allocator.h" | 32 #include "cx/allocator.h" |
| 33 | 33 |
| 34 #ifdef __cplusplus | 34 #include <set> |
| 35 extern "C" { | |
| 36 #endif | |
| 37 | 35 |
| 38 #define CX_TESTING_ALLOCATOR_MAX_LIVE 1024 | 36 struct CxTestingAllocator : public CxAllocator { |
| 39 | |
| 40 typedef struct { | |
| 41 /** | 37 /** |
| 42 * Total number of all allocations (malloc, calloc, realloc). | 38 * Total number of all allocations (malloc, calloc, realloc). |
| 43 * A realloc() does only count when the memory has to be moved. | 39 * A realloc() does only count when the memory has to be moved. |
| 44 */ | 40 */ |
| 45 int alloc_total; | 41 unsigned alloc_total = 0; |
| 46 /** | 42 /** |
| 47 * Number of failed allocations (malloc, calloc, realloc). | 43 * Number of failed allocations (malloc, calloc, realloc). |
| 48 */ | 44 */ |
| 49 int alloc_failed; | 45 unsigned alloc_failed = 0; |
| 50 /** | 46 /** |
| 51 * Total number of freed pointers. | 47 * Total number of freed pointers. |
| 52 * A reallocation also counts as a free when the memory has to be moved. | 48 * A reallocation also counts as a free when the memory has to be moved. |
| 53 */ | 49 */ |
| 54 int free_total; | 50 unsigned free_total = 0; |
| 55 /** | 51 /** |
| 56 * Number of failed free invocations. | 52 * Number of failed free invocations. |
| 57 * A free() is considered failed, if it has not been performed on tracked memory. | 53 * A free() is considered failed, if it has not been performed on tracked memory. |
| 58 */ | 54 */ |
| 59 int free_failed; | 55 unsigned free_failed = 0; |
| 60 /** | 56 /** |
| 61 * Number of memory blocks that are currently live (and tracked). | 57 * The set of tracked memory blocks. |
| 62 * The maximum number of tracked blocks is defined in #CX_TESTING_ALLOCATOR_MAX_LIVE. | |
| 63 */ | 58 */ |
| 64 int live; | 59 std::set<void *> tracked; |
| 60 | |
| 65 /** | 61 /** |
| 66 * The array of tracked memory blocks. | 62 * Constructs a new testing allocator. |
| 67 */ | 63 */ |
| 68 void *tracked[CX_TESTING_ALLOCATOR_MAX_LIVE]; | 64 CxTestingAllocator(); |
| 69 } cx_testing_allocator_s; | |
| 70 | 65 |
| 71 extern CxAllocator *cxTestingAllocator; | 66 /** |
| 72 | 67 * Verifies that all allocated memory blocks are freed and no free occurred twice. |
| 73 /** | 68 * |
| 74 * Resets the testing allocator information. | 69 * @return true iff all tracked allocations / deallocations were valid |
| 75 * This function SHOULD be called prior to any use of this allocator. | 70 */ |
| 76 */ | 71 bool verify() const; |
| 77 void cxTestingAllocatorReset(void); | 72 }; |
| 78 | |
| 79 /** | |
| 80 * Checks whether all allocated memory is properly freed and no failed (de)allocations happened. | |
| 81 * | |
| 82 * @return true on success, false if there was any problem | |
| 83 */ | |
| 84 bool cxTestingAllocatorVerify(void); | |
| 85 | |
| 86 #ifdef __cplusplus | |
| 87 }; /* extern "C" */ | |
| 88 #endif | |
| 89 | 73 |
| 90 #endif /* UCX_UTIL_ALLOCATOR_H */ | 74 #endif /* UCX_UTIL_ALLOCATOR_H */ |
