[iOS][WP] Add access to required syscalls

[Per Arne Vollan]

Add access to required syscalls which are rarely used. This is based on recent telemetry.

[Radar WebKit Bug Importer]

<rdar://problem/88439656>

[Per Arne Vollan]

Created attachment 450785 [details]
Patch

[Brent Fulgham]

Comment on attachment 450785 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=450785&action=review

> Source/WebKit/Resources/SandboxProfiles/ios/com.apple.WebKit.WebContent.sb.in:1324
> +        SYS_iopolicysys

Can you put a radar here just so we can remember why it was needed?

> Source/WebKit/Resources/SandboxProfiles/ios/com.apple.WebKit.WebContent.sb.in:1328
> +        SYS_work_interval_ctl))

Ditto.

[Per Arne Vollan]

(In reply to Brent Fulgham from comment #3)
> Comment on attachment 450785 [details]
> Patch
> 
> View in context:
> https://bugs.webkit.org/attachment.cgi?id=450785&action=review
> 
> > Source/WebKit/Resources/SandboxProfiles/ios/com.apple.WebKit.WebContent.sb.in:1324
> > +        SYS_iopolicysys
> 
> Can you put a radar here just so we can remember why it was needed?
> 
> > Source/WebKit/Resources/SandboxProfiles/ios/com.apple.WebKit.WebContent.sb.in:1328
> > +        SYS_work_interval_ctl))
> 
> Ditto.

This is only seen in telemetry, so there are no radars, currently.

Thanks for reviewing!

[EWS]

Committed r289072 (246778@main): <https://commits.webkit.org/246778@main>

All reviewed patches have been landed. Closing bug and clearing flags on attachment 450785 [details].