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Fixing a race condition that may be caused by the reloadable executor. 

Reviewed By: javache

Differential Revision: D5139379

fbshipit-source-id: 24aa820caacfe3780d0e5a2f5868cdc46cefc3fb
This commit is contained in:
Dan Caspi 2017-06-06 11:30:40 -07:00 committed by Facebook Github Bot
parent 699a0bef3b
commit 63ffa7c2f6
1 changed files with 14 additions and 8 deletions
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22
ReactCommon/cxxreact/JSCExecutor.cpp
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@ -79,11 +79,13 @@ inline JSObjectCallAsFunctionCallback exceptionWrapMethod() {
JSValueRef *exception) {
try {
auto executor = Object::getGlobalObject(ctx).getPrivate<JSCExecutor>();
return (executor->*method)(argumentCount, arguments);
if (executor && executor->getJavaScriptContext()) { // Executor not invalidated
return (executor->*method)(argumentCount, arguments);
}
} catch (...) {
*exception = translatePendingCppExceptionToJSError(ctx, function);
return Value::makeUndefined(ctx);
}
return Value::makeUndefined(ctx);
}
};
@ -100,11 +102,13 @@ inline JSObjectGetPropertyCallback exceptionWrapMethod() {
JSValueRef *exception) {
try {
auto executor = Object::getGlobalObject(ctx).getPrivate<JSCExecutor>();
return (executor->*method)(object, propertyName);
if (executor && executor->getJavaScriptContext()) { // Executor not invalidated
return (executor->*method)(object, propertyName);
}
} catch (...) {
*exception = translatePendingCppExceptionToJSError(ctx, object);
return Value::makeUndefined(ctx);
}
return Value::makeUndefined(ctx);
}
};
@ -256,17 +260,19 @@ void JSCExecutor::initOnJSVMThread() throw(JSException) {
}
void JSCExecutor::terminateOnJSVMThread() {
JSGlobalContextRef context = m_context;
m_context = nullptr;
Object::getGlobalObject(context).setPrivate(nullptr);
m_nativeModules.reset();
#ifdef WITH_INSPECTOR
if (canUseInspector(m_context)) {
if (canUseInspector(context)) {
IInspector* pInspector = JSC_JSInspectorGetInstance(true);
pInspector->unregisterGlobalContext(m_context);
pInspector->unregisterGlobalContext(context);
}
#endif
JSC_JSGlobalContextRelease(m_context);
m_context = nullptr;
JSC_JSGlobalContextRelease(context);
}
#ifdef WITH_FBJSCEXTENSIONS