Package Ctx APIs for C++

MemAllocator Interface

Table 14-2 summarizes the methods of available through the MemAllocator interface.

Table 14-2 Summary of MemAllocator Methods; Ctx Package

Function	Summary
alloc	Allocates memory of given size.
dealloc	Deallocate memory pointed to by the argument.
~MemAllocator	Virtual destructor - interface level handle to actual destructors.

alloc

This is a virtual member function that defines a prototype for user defined allocator functions

Syntax

virtual void* alloc(
   ub4 size) = 0;

Parameter	Description
size	memory size

dealloc

This is a virtual member function that defines a prototype for user defined deallocator functions. Such deallocators are supposed to deallocate memory allocated by the alloc member functions

Syntax

virtual void dealloc(
   void* ptr) = 0;

Parameter	Description
ptr	pointer to previously allocated memory

~MemAllocator

It provides an interface level handle to actual destructors that can be invoked without knowing their names or implementations

Syntax

virtual ~MemAllocator() {}