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sbrk on Windows

General and Gameplay Programming Programming

Started by DevFred November 02, 2009 02:51 AM

2 comments, last by mattd 14 years, 5 months ago

DevFred

840

Author

November 02, 2009 02:51 AM

I'm toying with my own implementations of malloc and free. What is the equivalent of sbrk on Windows, i.e. how do I get more memory from the operating system during runtime?

Antheus

2,410

November 02, 2009 03:36 AM

Heap functions.

See also related links.

Codeka

1,239

November 02, 2009 03:38 AM

You'll want to check out the heap functions and virtual memory functions.

Edit: too slow!

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mattd

1,078

November 02, 2009 03:45 AM

The closest equivalent interface on that level would be the VirtualAlloc and VirtualFree functions - see how cygwin or this example map the semantics of sbrk to VirtualAlloc/Free.

The next level up from VirtualAlloc/Free is HeapAlloc/Free. I think you'd be better using this interface for your implementation instead.

sbrk on Windows

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sbrk on Windows

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