[Webkit-unassigned] [Bug 29011] New: Build fix when USE(LOCKFREE_THREADSAFESHARED) is not defined

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=29011

           Summary: Build fix when USE(LOCKFREE_THREADSAFESHARED) is not
                    defined
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Other
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Platform
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: laszlo.1.gombos at nokia.com


Some WebKit ports (e.g. Symbian QtWebKit port) does not (yet) define
atomicIncrement and atomicDecrement functions. This is a "supported"
configuration and the USE(LOCKFREE_THREADSAFESHARED) is used to determine if
atomicIncrement and atomicDecrement functions are available.

ChangeSet http://trac.webkit.org/changeset/47845 introduced a change in
Threading.h which would require to implement atomicIncrement and
atomicDecrement functions for all ports. Guarding some of the changes in
Threading.h with USE(LOCKFREE_THREADSAFESHARED) would fix this problem (and
would fix the Symbian QtWebKit build). Patch will follow.

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