[Webkit-unassigned] [Bug 188171] New: [macOS] All WindowServer connections should be closed before denying access.
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Mon Jul 30 10:15:46 PDT 2018
https://bugs.webkit.org/show_bug.cgi?id=188171
Bug ID: 188171
Summary: [macOS] All WindowServer connections should be closed
before denying access.
Product: WebKit
Version: WebKit Nightly Build
Hardware: Unspecified
OS: Unspecified
Status: NEW
Severity: Normal
Priority: P2
Component: WebKit Misc.
Assignee: webkit-unassigned at lists.webkit.org
Reporter: pvollan at apple.com
All WindowServer connections in the WebContent process should be closed before denying access to the WindowServer, otherwise calling CGSSetDenyWindowServerConnections(true) will fail. Currently, there are no open WindowServer connections at this point, but this might change in the future. We should call CGSShutdownServerConnections() before calling CGSSetDenyWindowServerConnections(true) to make sure WindowServer connections are always successfully denied. Thanks to Alex Gaynor at Mozilla (agaynor at mozilla.com) for identifying this issue.
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