56 lines
1.6 KiB
C++
56 lines
1.6 KiB
C++
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#ifndef __LIBLSS_TOOLS_MEMUSAGE_HPP
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#define __LIBLSS_TOOLS_MEMUSAGE_HPP
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#include <sys/types.h>
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#include "libLSS/tools/static_init.hpp"
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#include "libLSS/tools/static_auto.hpp"
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#include "libLSS/tools/errors.hpp"
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#include <map>
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#include <string>
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namespace LibLSS {
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struct AllocationDetail {
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ssize_t allocated, freed;
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size_t peak;
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};
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void report_allocation(size_t sz, const void *ptr);
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void report_free(size_t sz, const void *ptr);
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std::map<std::string, AllocationDetail> memoryReport();
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void clearReport();
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template<typename T>
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struct track_allocator: public std::allocator<T> {
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public:
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typedef typename std::allocator<T> parent;
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typedef typename parent::pointer pointer;
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typedef typename parent::size_type size_type;
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template<typename U> struct rebind { typedef track_allocator<U> other; };
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track_allocator() throw(): std::allocator<T>() {}
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track_allocator(const track_allocator& alloc) throw(): std::allocator<T>(alloc) {}
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template<typename U>
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track_allocator(const track_allocator<U>& alloc) throw(): std::allocator<T>(alloc) {}
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pointer allocate(size_type _Count, const void *_Hint = 0) {
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pointer p = std::allocator<T>::allocate(_Count, _Hint);
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if (p) {
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report_allocation(_Count*sizeof(T), _Hint);
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} else {
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error_helper<ErrorMemory>(boost::format("Memory allocation failed to allocate %d bytes") % (sizeof(T)*_Count));
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}
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return p;
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}
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void deallocate(pointer _Ptr, size_type _Count) {
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std::allocator<T>::deallocate(_Ptr, _Count);
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report_free(_Count*sizeof(T), _Ptr);
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}
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};
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}
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AUTO_REGISTRATOR_DECL(memory_alloc);
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#endif
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