[Webkit-unassigned] [Bug 195439] [PlayStation] Increase the default pthread stack size

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=195439

--- Comment #6 from Mark Lam <mark.lam at apple.com> ---
(In reply to Mark Lam from comment #5)
> (In reply to Don Olmstead from comment #4)
> > (In reply to Mark Lam from comment #3)
> > > Comment on attachment 363951 [details]
> > > patch
> > > 
> > > LGTM but someone with PlayStation knowledge should also review to confirm if
> > > 512K is a reasonable stack size to use.
> > 
> > I'm fine with the change. The thing I'm wondering is whether it would be
> > good for WebKit to have a thread's stack size be more configurable in
> > general during creation.
> 
> See Options::maxPerThreadStackUsage().  For tests, we explicitly set this
> option to a smaller amount do that tests that overflow the stack can finish
> faster.
> 
> However, this option is at the JSC level, not WTF.  Actual allowed stack
> capacity is computed as min of Options::maxPerThreadStackUsage() and
> capacity reported by StackBounds.

Note: it's done this way because we can't always control what the OS allocates for stack capacity.  We just make sure that we don't use more than either limits.

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