Hi, I have read that the malloc-ed memory is not actually freed upon calling free, but is still maintained in the processes' malloc pool of memory. So can that add to the memory leak attributing a segfault? Please someone tell if I am wrong!!
On Sat, 2004-12-25 at 00:23, Ray Olszewski wrote: > At 06:39 PM 12/24/2004 +0000, Ankit Jain wrote: > >hi > > > >routine xyz uses malloc and free functions. it gives > >accurate and correct result if called once. > > > >but if the function is called in a loop N number of > >times then probably it gives segmentation fault. > > > >what is the reason? can any body guess or test code > >is needed? > > > Probably test code is needed. But if you want a guess ... the "free" call > contains an error that leads to a memory leak. If you call the routine > once, that's no big deal, and the routine will appear to return "accurate > and correct result". But if you call it a lot, memory consumption goes up > past the point where the kernel can support it and a segfault results. > > That's just a shot in the dark, though ... and even it assumes that N is a > big number (thousands at least), not 10 or 20. Your use of "probably" does > make it an appealing guess, though. > > Really, though, you are posing the question, "What can go wrong with > malloc() and free()?" Put that way, it is obvious that it is too vagure for > a troubleshooting list. Let's see the code, as well as whatever is calling > the code. > > > > - > To unsubscribe from this list: send the line "unsubscribe linux-newbie" in > the body of a message to [EMAIL PROTECTED] > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.linux-learn.org/faqs -- With regards, Jagadeesh Bhaskar P
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