[webkit-reviews] review granted: [Bug 235529] ASSERTION FAILED: m_processCallback in WebCore::AudioWorkletProcessor::process : [Attachment 450161] Patch
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Fri Jan 28 10:21:28 PST 2022
Darin Adler <darin at apple.com> has granted Chris Dumez <cdumez at apple.com>'s
request for review:
Bug 235529: ASSERTION FAILED: m_processCallback in
WebCore::AudioWorkletProcessor::process
https://bugs.webkit.org/show_bug.cgi?id=235529
Attachment 450161: Patch
https://bugs.webkit.org/attachment.cgi?id=450161&action=review
--- Comment #23 from Darin Adler <darin at apple.com> ---
Comment on attachment 450161
--> https://bugs.webkit.org/attachment.cgi?id=450161
Patch
View in context: https://bugs.webkit.org/attachment.cgi?id=450161&action=review
> Source/WTF/wtf/WeakHashSet.h:101
> + return m_set.add(*static_cast<const
T&>(value).weakPtrFactory().template createWeakPtr<T>(const_cast<U&>(value),
enableWeakPtrThreadingAssertions).m_impl);
This seems like such a long argument name. Is there any shorter name that would
be sufficiently unambiguous? I might just call the local "assertions" and not
worry that was too confusing. After all we still have the strong typing of
EnableWeakPtrThreadingAssertions that will follow us around.
> Source/WebCore/Modules/webaudio/AudioWorkletGlobalScope.cpp:216
> + Locker locker { m_processorsLock };
> + m_processors.forEach([&](auto& processor) {
> + visitor.addOpaqueRoot(&processor);
> + });
If I understand correctly, it’s generally bad for performance to have to take
locks during GC marking. Would be nice to have some lock-free safe way to do
this.
> Source/WebCore/Modules/webaudio/AudioWorkletGlobalScope.h:61
> + void processorIsNoLongerNeeded(AudioWorkletProcessor&);
> +
> + void visitProcessors(JSC::AbstractSlotVisitor&);
Not sure these need to be in separate paragraphs.
> Source/WebCore/Modules/webaudio/AudioWorkletProcessor.h:37
> +#include <wtf/Lock.h>
Any way to avoid needing this new include in the header? I don’t see any new
use of Lock below.
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