Bug 1847831 - Add ReportLargeOutOfMemory r=jandem

Differential Revision: https://phabricator.services.mozilla.com/D185711
dothq · Aug 9, 2023 · f052551 · f052551
1 parent f5280e9
commit f052551
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diff --git a/js/public/AllocPolicy.h b/js/public/AllocPolicy.h
@@ -96,6 +96,10 @@ class SystemAllocPolicy : public AllocPolicyBase {
 MOZ_COLD JS_PUBLIC_API void ReportOutOfMemory(JSContext* cx);
 MOZ_COLD JS_PUBLIC_API void ReportOutOfMemory(FrontendContext* fc);
 
+// An out of memory condition which is easily user generatable and should
+// be specially handled to try and avoid a tab crash.
+MOZ_COLD JS_PUBLIC_API void ReportLargeOutOfMemory(JSContext* cx);
+
 /*
  * Allocation policy that calls the system memory functions and reports errors
  * to the context. Since the JSContext given on construction is stored for

diff --git a/js/src/vm/JSContext.cpp b/js/src/vm/JSContext.cpp
@@ -293,6 +293,10 @@ JS_PUBLIC_API void js::ReportOutOfMemory(JSContext* cx) {
   cx->onOutOfMemory();
 }
 
+JS_PUBLIC_API void js::ReportLargeOutOfMemory(JSContext* cx) {
+  js::ReportOutOfMemory(cx);
+}
+
 JS_PUBLIC_API void js::ReportOutOfMemory(FrontendContext* fc) {
   MaybeReportOutOfMemoryForDifferentialTesting();