[Webkit-unassigned] [Bug 106463] New: PluginPackage::freeLibraryTimerFired asserts if plugin got loaded again meanwhile

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=106463

           Summary: PluginPackage::freeLibraryTimerFired asserts if plugin
                    got loaded again meanwhile
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Plug-ins
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: faure at kde.org


When debugging why the patch in bug 106140 asserts in PluginPackage::freeLibraryTimerFired, it turns out that this is happening:

PluginPackage::load  libTestNetscapePlugIn.so m_loadCount=1
PluginPackage::unload libTestNetscapePlugIn.so m_loadCount now 0
PluginPackage::unloadWithoutShutdown libTestNetscapePlugIn.so m_loadCount=0
PluginPackage::freeLibrarySoon libTestNetscapePlugIn.so m_loadCount=0 (should be 0)
PluginPackage::load libTestNetscapePlugIn.so m_loadCount=1
PluginPackage::freeLibraryTimerFired: unloading libTestNetscapePlugIn.so m_loadCount=1 (should be 0)

If another webpage is loaded after the "scheduled unloading of the plugin via the timer", then we need to skip unloading the plugin.

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