зеркало из https://github.com/mozilla/gecko-dev.git
fixes bug 273578 "XMLHttpRequest with async = false takes 100% CPU until request finished" r=jst sr=bz
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36671db790
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fb27621347
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@ -1611,6 +1611,10 @@ nsXMLHttpRequest::Send(nsIVariant *aBody)
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if (!(mState & XML_HTTP_REQUEST_ASYNC)) {
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while (mState & XML_HTTP_REQUEST_SYNCLOOPING) {
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modalEventQueue->ProcessPendingEvents();
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// Be sure not to busy wait! (see bug 273578)
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if (mState & XML_HTTP_REQUEST_SYNCLOOPING)
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PR_Sleep(PR_MillisecondsToInterval(10));
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}
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mEventQService->PopThreadEventQueue(modalEventQueue);
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