40 lines
832 B
C++
40 lines
832 B
C++
/*
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* Deliberately leak memory
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*
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* Free memory decreases for a second.
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* However, because the program quits, the kernel frees the used memory
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*
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* If run for some time, my swap space would fill, afterwards my computer is brought to a halt.
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*
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*/
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#include <iostream>
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#define K 1000
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#define M K*K
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#define G K*M
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#define MEMORY_SIZE_IN_CHARS G
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void make_throwaway_ptrs(int leak_size ) {
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for ( int i = 0; i < leak_size ; i++)
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{
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char* throwaway_ptr = new char;
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}
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// oops, we are not returning the pointers
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// this means it goes out of scope when the function ends
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}
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int main() {
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make_throwaway_ptrs(MEMORY_SIZE_IN_CHARS);
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std::cout << "We leaked " << MEMORY_SIZE_IN_CHARS * sizeof " " << " bits" << std::endl;
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std::cout << "Ready to kill the process? (press Enter)" << std::endl;
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std::cin.ignore();
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return 0;
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}
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