Bug 1384397 - Add API to request interrupt callback using CanWait mode (r=jandem)

MozReview-Commit-ID: E0S0my7Xdfk

js/src/jsapi.cpp

@@ -5248,6 +5248,12 @@ JS_RequestInterruptCallback(JSContext* cx)
     cx->requestInterrupt(JSContext::RequestInterruptUrgent);
 }
 
+JS_PUBLIC_API(void)
+JS_RequestInterruptCallbackCanWait(JSContext* cx)
+{
+    cx->requestInterrupt(JSContext::RequestInterruptCanWait);
+}
+
 JS::AutoSetAsyncStackForNewCalls::AutoSetAsyncStackForNewCalls(
   JSContext* cx, HandleObject stack, const char* asyncCause,
   JS::AutoSetAsyncStackForNewCalls::AsyncCallKind kind)

js/src/jsapi.h

@@ -4593,6 +4593,9 @@ JS_ResetInterruptCallback(JSContext* cx, bool enable);
 extern JS_PUBLIC_API(void)
 JS_RequestInterruptCallback(JSContext* cx);
 
+extern JS_PUBLIC_API(void)
+JS_RequestInterruptCallbackCanWait(JSContext* cx);
+
 namespace JS {
 
 /**