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Bug 1084009 - Part 2/3 - Only parse scripts off-main-thread on multicore systems. r=luke

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This commit is contained in:
Kannan Vijayan 2015-09-21 19:07:01 -04:00
parent cc5cb89e2b
commit b5b672c20a
1 changed files with 2 additions and 1 deletions
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3
dom/base/nsScriptLoader.cpp
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@ -10,6 +10,7 @@
#include "nsScriptLoader.h"
#include "prsystem.h"
#include "jsapi.h"
#include "jsfriendapi.h"
#include "xpcpublic.h"
@ -1588,7 +1589,7 @@ nsScriptLoader::PrepareLoadedRequest(nsScriptLoadRequest* aRequest,
aRequest->mProgress = nsScriptLoadRequest::Progress_DoneLoading;
// If this is currently blocking the parser, attempt to compile it off-main-thread.
if (aRequest == mParserBlockingRequest) {
if (aRequest == mParserBlockingRequest && (PR_GetNumberOfProcessors() > 1)) {
nsresult rv = AttemptAsyncScriptCompile(aRequest);
if (rv == NS_OK) {
NS_ASSERTION(aRequest->mProgress == nsScriptLoadRequest::Progress_Compiling,