[Webkit-unassigned] [Bug 143625] New: [Content Extensions] Don't unmap shared memory

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=143625

            Bug ID: 143625
           Summary: [Content Extensions] Don't unmap shared memory
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit2
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: achristensen at apple.com

Right now, when the Data object is destroyed, the mmap'd memory is munmap'd.  The memory that is then shared is unmapped underneath us!

This is a partial fix.  We should also make sure that the memory is not munmap'd until there are no more shared memory handles pointing to it, but this makes it useable.

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