IPC testing API should have the ability to send and receive shared memory

• Component: Tools / Tests
• Status: RESOLVED FIXED

[Ryosuke Niwa]

In order to support DisplayList fuzzing, we need the ability to create & receive shared memory.

[Ryosuke Niwa]

Created attachment 428113 [details]
Patch

[Wenson Hsieh]

Comment on attachment 428113 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=428113&action=review

> Source/WebKit/WebProcess/WebPage/IPCTestingAPI.cpp:108
> +    size_t size() { return m_sharedMemory->size(); }

Nit - we can make this method const

> Source/WebKit/WebProcess/WebPage/IPCTestingAPI.cpp:136
> +    RefPtr<SharedMemory> m_sharedMemory;

Nit - I think this can be a `Ref<SharedMemory> m_sharedMemory;`?

> Source/WebKit/WebProcess/WebPage/IPCTestingAPI.cpp:376
> +    return unwrap(JSValueToObject(context, value, 0));

Nit - use nullptr instead of 0?

> Tools/TestWebKitAPI/Tests/WebKitCocoa/IPCTestingAPI.mm:294
> +TEST(IPCTestingAPI, CanSendSemaphpre)

Nit - CanSendSemaphore

[Ryosuke Niwa]

Thank you for the review!

(In reply to Wenson Hsieh from comment #2)
> Comment on attachment 428113 [details]
> Patch
> 
> View in context:
> https://bugs.webkit.org/attachment.cgi?id=428113&action=review
> 
> > Source/WebKit/WebProcess/WebPage/IPCTestingAPI.cpp:108
> > +    size_t size() { return m_sharedMemory->size(); }
> 
> Nit - we can make this method const

Done.
 
> > Source/WebKit/WebProcess/WebPage/IPCTestingAPI.cpp:136
> > +    RefPtr<SharedMemory> m_sharedMemory;
> 
> Nit - I think this can be a `Ref<SharedMemory> m_sharedMemory;`?

Yeah, it really should be but SharedMemory::allocate returns RefPtr :( I guess I'm gonna just dereference RefPtr there.

> > Source/WebKit/WebProcess/WebPage/IPCTestingAPI.cpp:376
> > +    return unwrap(JSValueToObject(context, value, 0));
> 
> Nit - use nullptr instead of 0?

Fixed.

> > Tools/TestWebKitAPI/Tests/WebKitCocoa/IPCTestingAPI.mm:294
> > +TEST(IPCTestingAPI, CanSendSemaphpre)
> 
> Nit - CanSendSemaphore

Oh oops, fixed.

[Ryosuke Niwa]

Created attachment 428130 [details]
Patch for landing

[EWS]

Committed r277250 (237519@main): <https://commits.webkit.org/237519@main>

All reviewed patches have been landed. Closing bug and clearing flags on attachment 428130 [details].

[Radar WebKit Bug Importer]

<rdar://problem/77717870>