How do I force a program to appear to run out of memory?

Question

I have a C/C++ program that might be hanging when it runs out of memory. We discovered this by running many copies at the same time. I want to debug the program without co

Answer 1

An other way of doing it is to use failmalloc which is a shared library that overrides malloc etc. and then fail :-). It gives you control over when to fail and can be made to fail randomly, every nth time etc.

I havent used it my self but have heard good things.