[jsc-dev] Setting a memory limit and inspecting current memory usage

[Saam Barati]

> On Sep 7, 2018, at 11:47 AM, Jérôme Gravel-Niquet <jeromegn at gmail.com> wrote:
> 
> Hey there,
> 
> I just started playing with JavaScriptCore and I think it's a great
> mix of flexibility and easy to use C API.
> 
> I couldn't find information on how to limit the memory usage
> (allocations) on a Context or ContextGroup. I'm mentioning these 2
> because there's no way to get at a VirtualMachine from the C API.
I believe the C API lets you access a context group, which is a VM.

> 
> Is there a way to set a memory usage limit with JSC?
We have no way of doing this currently.

> 
> Can I inspect a context or group of contexts for current memory usage?
I don’t believe we provide API for this. A VM knows its approximate heap size. Are you building your own copy of JSC or linking against the system library?

- Saam

> 
> If these are available through a non-C API, I might be able to create
> my own C wrapper for those.
> 
> Thanks,
> Jerome Gravel-Niquet
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