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ranjit powar
ranjit powar

Reputation: 104

What happens if stack memory becomes full

May be my question is irrelevant, it will probably may never happened as stack has 1MB of memory.

But if stack memory becomes full, what will happen. Because garbage collector will not perform cleaning for stack.

Upvotes: 2

Views: 1395

Answers (3)

Mike Nakis
Mike Nakis

Reputation: 62120

When the stack fills up, you get a StackOverflowException exception.

Of course the stack may fill up, if your code has a bug which causes runaway recursion, or if you use recursion to implement an algorithm which is unsuitable for recursion, like for example linear search.

You can very easily check what happens with runaway recursion like this:

static void Main( string[] args )
{
    Main( args );
}

Upvotes: 2

Emond
Emond

Reputation: 50692

It is quite easy to overflow the stack:

int* ptr = stackalloc int[4000000];

A StackOverflowException will occur.

Upvotes: 2

nxu
nxu

Reputation: 2272

I'm definitely not an expert, but my guess would be a StackOverflowException.

I don't think you'll ever fill the whole 1MB stack though.

Upvotes: 1

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