src: enhance feature access CHECKs during bootstrap

This adds `CHECK`s verifying that bootstrapping has finished before environment variables are accessed or handles/requests are created. The latter complements a pair of existent checks, but fails earlier and thus gives information about the call site, effectively addressing the TODO comment there. PR-URL: #30452 Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: David Carlier <[email protected]> Reviewed-By: Joyee Cheung <[email protected]> Reviewed-By: James M Snell <[email protected]>
nodejs · Dec 1, 2019 · e0982f7 · e0982f7
1 parent 833cb00
commit e0982f7
Show file tree

Hide file tree

Showing 4 changed files with 9 additions and 1 deletion.
diff --git a/src/handle_wrap.cc b/src/handle_wrap.cc
@@ -116,6 +116,7 @@ HandleWrap::HandleWrap(Environment* env,
       handle_(handle) {
   handle_->data = this;
   HandleScope scope(env->isolate());
+  CHECK(env->has_run_bootstrapping_code());
   env->handle_wrap_queue()->PushBack(this);
 }
 

diff --git a/src/node.cc b/src/node.cc
@@ -336,7 +336,8 @@ MaybeLocal<Value> Environment::RunBootstrapping() {
 
   // Make sure that no request or handle is created during bootstrap -
   // if necessary those should be done in pre-execution.
-  // TODO(joyeecheung): print handles/requests before aborting
+  // Usually, doing so would trigger the checks present in the ReqWrap and
+  // HandleWrap classes, so this is only a consistency check.
   CHECK(req_wrap_queue()->IsEmpty());
   CHECK(handle_wrap_queue()->IsEmpty());
 

diff --git a/src/node_env_var.cc b/src/node_env_var.cc
@@ -255,6 +255,7 @@ Maybe<bool> KVStore::AssignFromObject(Local<Context> context,
 static void EnvGetter(Local<Name> property,
                       const PropertyCallbackInfo<Value>& info) {
   Environment* env = Environment::GetCurrent(info);
+  CHECK(env->has_run_bootstrapping_code());
   if (property->IsSymbol()) {
     return info.GetReturnValue().SetUndefined();
   }
@@ -270,6 +271,7 @@ static void EnvSetter(Local<Name> property,
                       Local<Value> value,
                       const PropertyCallbackInfo<Value>& info) {
   Environment* env = Environment::GetCurrent(info);
+  CHECK(env->has_run_bootstrapping_code());
   // calling env->EmitProcessEnvWarning() sets a variable indicating that
   // warnings have been emitted. It should be called last after other
   // conditions leading to a warning have been met.
@@ -303,6 +305,7 @@ static void EnvSetter(Local<Name> property,
 static void EnvQuery(Local<Name> property,
                      const PropertyCallbackInfo<Integer>& info) {
   Environment* env = Environment::GetCurrent(info);
+  CHECK(env->has_run_bootstrapping_code());
   if (property->IsString()) {
     int32_t rc = env->env_vars()->Query(env->isolate(), property.As<String>());
     if (rc != -1) info.GetReturnValue().Set(rc);
@@ -312,6 +315,7 @@ static void EnvQuery(Local<Name> property,
 static void EnvDeleter(Local<Name> property,
                        const PropertyCallbackInfo<Boolean>& info) {
   Environment* env = Environment::GetCurrent(info);
+  CHECK(env->has_run_bootstrapping_code());
   if (property->IsString()) {
     env->env_vars()->Delete(env->isolate(), property.As<String>());
   }
@@ -323,6 +327,7 @@ static void EnvDeleter(Local<Name> property,
 
 static void EnvEnumerator(const PropertyCallbackInfo<Array>& info) {
   Environment* env = Environment::GetCurrent(info);
+  CHECK(env->has_run_bootstrapping_code());
 
   info.GetReturnValue().Set(
       env->env_vars()->Enumerate(env->isolate()));

diff --git a/src/req_wrap-inl.h b/src/req_wrap-inl.h
@@ -10,6 +10,7 @@
 namespace node {
 
 ReqWrapBase::ReqWrapBase(Environment* env) {
+  CHECK(env->has_run_bootstrapping_code());
   env->req_wrap_queue()->PushBack(this);
 }