Bug 948183 - OdinMonkey: don't notifyAll when starting an AsmJSParallelTask (r=sstangl)

--HG--
extra : rebase_source : ac681cb509a49b6ff84c184e4589d4e5bd4e3760

js/src/jsworkers.cpp

@@ -73,7 +73,7 @@ js::StartOffThreadAsmJSCompile(ExclusiveContext *cx, AsmJSParallelTask *asmData)
     if (!state.asmJSWorklist.append(asmData))
         return false;
 
-    state.notifyAll(WorkerThreadState::PRODUCER);
+    state.notifyOne(WorkerThreadState::PRODUCER);
     return true;
 }
 
@@ -501,6 +501,13 @@ WorkerThreadState::notifyAll(CondVar which)
     PR_NotifyAllCondVar((which == CONSUMER) ? consumerWakeup : producerWakeup);
 }
 
+void
+WorkerThreadState::notifyOne(CondVar which)
+{
+    JS_ASSERT(isLocked());
+    PR_NotifyCondVar((which == CONSUMER) ? consumerWakeup : producerWakeup);
+}
+
 bool
 WorkerThreadState::canStartAsmJSCompile()
 {

js/src/jsworkers.h

@@ -95,6 +95,7 @@ class WorkerThreadState
 
     void wait(CondVar which, uint32_t timeoutMillis = 0);
     void notifyAll(CondVar which);
+    void notifyOne(CondVar which);
 
     bool canStartAsmJSCompile();
     bool canStartIonCompile();