fixes bug 273578 "XMLHttpRequest with async = false takes 100% CPU until request finished" r=jst sr=bz

git-svn-id: svn://10.0.0.236/trunk@182482 18797224-902f-48f8-a5cc-f745e15eee43
2005-10-18 19:45:46 +00:00
parent 7a9cca2e72
commit 8cb759fbf5
1 changed files with 4 additions and 0 deletions
--- a/mozilla/extensions/xmlextras/base/src/nsXMLHttpRequest.cpp
+++ b/mozilla/extensions/xmlextras/base/src/nsXMLHttpRequest.cpp
@@ -1611,6 +1611,10 @@ nsXMLHttpRequest::Send(nsIVariant *aBody)
  if (!(mState & XML_HTTP_REQUEST_ASYNC)) {
    while (mState & XML_HTTP_REQUEST_SYNCLOOPING) {
      modalEventQueue->ProcessPendingEvents();
+
+      // Be sure not to busy wait! (see bug 273578)
+      if (mState & XML_HTTP_REQUEST_SYNCLOOPING)
+        PR_Sleep(PR_MillisecondsToInterval(10));
    }

    mEventQService->PopThreadEventQueue(modalEventQueue);