[Webkit-unassigned] [Bug 250552] New: Provide public C API for detaching backing store of ArrayBuffer object created with JSObjectMakeArrayBufferWithBytesNoCopy()

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Fri Jan 13 02:06:23 PST 2023


https://bugs.webkit.org/show_bug.cgi?id=250552

            Bug ID: 250552
           Summary: Provide public C API for detaching backing store of
                    ArrayBuffer object created with
                    JSObjectMakeArrayBufferWithBytesNoCopy()
           Product: WebKit
           Version: WebKit Local Build
          Hardware: Mac (Apple Silicon)
                OS: macOS 13
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: kasperisager at hey.com

The public JavaScriptCore C API is currently missing functions for detaching the backing store of an ArrayBuffer object created with JSObjectMakeArrayBufferWithBytesNoCopy() and also functions for testing if such an ArrayBuffer object has been detached. The private C++ APIs are already there:

https://github.com/WebKit/WebKit/blob/2c3591d6db31967955f974e615d986177db22774/Source/JavaScriptCore/runtime/ArrayBuffer.h#L308-L309

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