async_hooks: move restoreTmpHooks call to init

This fixes an error that could occure by nesting async_hooks calls

PR-URL: https://github.com/nodejs/node/pull/14054
Ref: https://github.com/nodejs/node/pull/13755#issuecomment-312616004
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Trevor Norris <trev.norris@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Andreas Madsen <amwebdk@gmail.com>

lib/async_hooks.js

@@ -335,11 +335,6 @@ function emitInitS(asyncId, type, triggerAsyncId, resource) {
     throw new RangeError('triggerAsyncId must be an unsigned integer');
 
   init(asyncId, type, triggerAsyncId, resource);
-
-  // Isn't null if hooks were added/removed while the hooks were running.
-  if (tmp_active_hooks_array !== null) {
-    restoreTmpHooks();
-  }
 }
 
 function emitHookFactory(symbol, name) {
@@ -442,6 +437,11 @@ function init(asyncId, type, triggerAsyncId, resource) {
     fatalError(e);
   }
   processing_hook = false;
+
+  // Isn't null if hooks were added/removed while the hooks were running.
+  if (tmp_active_hooks_array !== null) {
+    restoreTmpHooks();
+  }
 }
 
 

test/parallel/test-async-hooks-enable-recursive.js

@@ -0,0 +1,19 @@
+'use strict';
+
+const common = require('../common');
+const async_hooks = require('async_hooks');
+const fs = require('fs');
+
+const nestedHook = async_hooks.createHook({
+  init: common.mustCall()
+});
+
+async_hooks.createHook({
+  init: common.mustCall((id, type) => {
+    nestedHook.enable();
+  }, 2)
+}).enable();
+
+fs.access(__filename, common.mustCall(() => {
+  fs.access(__filename, common.mustCall());
+}));