Ion: base/allocationmanager.h Source File

18 #ifndef ION_BASE_ALLOCATIONMANAGER_H_

19 #define ION_BASE_ALLOCATIONMANAGER_H_

21 #include "base/macros.h"

24 namespace ion {

25 namespace base {

30 public:

36 GetInstance()->default_allocation_lifetime_ = lifetime;

37 }

39 return GetInstance()->default_allocation_lifetime_;

40 }

59 mgr->default_allocators_[lifetime] =

60 allocator.Get() ? allocator : mgr->malloc_allocator_;

61 }

64 return GetInstance()->default_allocators_[lifetime];

65 }

72 return mgr->default_allocators_[mgr->default_allocation_lifetime_];

73 }

78 return GetInstance()->malloc_allocator_;

79 }

86 return allocator.Get() ? allocator : GetDefaultAllocator();

87 }

89 private:

92 class MallocAllocator;

102

104 AllocatorPtr default_allocators_[kNumAllocationLifetimes];

105

108

110 };

111

112 }

113 }

114

115 #endif // ION_BASE_ALLOCATIONMANAGER_H_

AllocationLifetime

All memory allocated within Ion uses an Allocator chosen based on the predicted lifetime of the targe...

AllocationManager is a singleton class that is used to manage Allocators used to allocate Ion objects...

static const AllocatorPtr & GetDefaultAllocator()

Convenience function that returns the default allocator to use when no lifetime is specified...

static const AllocatorPtr & GetNonNullAllocator(const AllocatorPtr &allocator)

This convenience function can be used where a non-NULL Allocator pointer is needed.

static void SetDefaultAllocatorForLifetime(AllocationLifetime lifetime, const AllocatorPtr &allocator)

Sets/returns the default Allocator to use for a specific AllocationLifetime.

static const AllocatorPtr & GetMallocAllocator()

Returns an allocator that performs conventional allocation and deallocation with malloc() and free()...

static AllocationLifetime GetDefaultAllocationLifetime()

static void SetDefaultAllocationLifetime(AllocationLifetime lifetime)

Sets/returns the AllocationLifetime that is assumed when a default new() operator is used for an Allo...

static const AllocatorPtr & GetDefaultAllocatorForLifetime(AllocationLifetime lifetime)