HeapCreate vs GetProcessHeap

Question

Hi

I'm new to using Heap Allocation in C++.

I'm tryin to understand the scenario that will force someone to create a private heap instead of using the Process Heap. Isn't Process Heap generally enough for most of the cases?

Thanks --Ashish

Answer 1

If you have a flurry of transient heap activity, using a private heap for that can be faster than churning on the process heap. If you start a thread and give it a private heap, it can be thread-safe in those heap operation without needing to deal with locking for them. There are other reasons, but these two are relatively common ones.