More work for background compilation; move pending_functions_ from ObjectStore to Thread.

runtime/vm/thread.cc

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/thread.h"
 
 #include "vm/growable_array.h"
 #include "vm/isolate.h"
 #include "vm/lockers.h"
 #include "vm/log.h"
@@ skipping 167 matching lines @@
 
 Thread::Thread(bool init_vm_constants)
     : id_(OSThread::GetCurrentThreadId()),
       thread_interrupt_callback_(NULL),
       thread_interrupt_data_(NULL),
       isolate_(NULL),
       heap_(NULL),
       timeline_block_(NULL),
       store_buffer_block_(NULL),
       log_(new class Log()),
-      deopt_id_(0),
-      vm_tag_(0),
       REUSABLE_HANDLE_LIST(REUSABLE_HANDLE_INITIALIZERS)
       REUSABLE_HANDLE_LIST(REUSABLE_HANDLE_SCOPE_INIT)
       reusable_handles_(),
       cha_(NULL),
+      deopt_id_(0),
+      vm_tag_(0),
+      pending_functions_(GrowableObjectArray::null()),
       no_callback_scope_depth_(0),
       thread_list_next_(NULL) {
   ClearState();
 
 #define DEFAULT_INIT(type_name, member_name, init_expr, default_init_value)    \
   member_name = default_init_value;
 CACHED_CONSTANTS_LIST(DEFAULT_INIT)
 #undef DEFAULT_INIT
 
 #define DEFAULT_INIT(name)                                                     \
@@ skipping 39 matching lines @@
 #undef INIT_VALUE
 
   // Setup the thread specific reusable handles.
 #define REUSABLE_HANDLE_ALLOCATION(object)                                     \
   this->object##_handle_ = this->AllocateReusableHandle<object>();
   REUSABLE_HANDLE_LIST(REUSABLE_HANDLE_ALLOCATION)
 #undef REUSABLE_HANDLE_ALLOCATION
 }
 
 
+void Thread::ClearState() {
+  memset(&state_, 0, sizeof(state_));
+  pending_functions_ = GrowableObjectArray::null();
+}
+
+
+RawGrowableObjectArray* Thread::pending_functions() {
+  if (pending_functions_ == GrowableObjectArray::null()) {
+    pending_functions_ = GrowableObjectArray::New(Heap::kOld);
+  }
+  return pending_functions_;
+}
+
+
 void Thread::Schedule(Isolate* isolate, bool bypass_safepoint) {
   State st;
   if (isolate->thread_registry()->RestoreStateTo(this, &st, bypass_safepoint)) {
     ASSERT(isolate->thread_registry()->Contains(this));
     state_ = st;
   }
 }
 
 
 void Thread::Unschedule(bool bypass_safepoint) {
@@ skipping 159 matching lines @@
   REUSABLE_HANDLE_LIST(CLEAR_REUSABLE_HANDLE)
 #undef CLEAR_REUSABLE_HANDLE
 }
 
 
 void Thread::VisitObjectPointers(ObjectPointerVisitor* visitor) {
   ASSERT(visitor != NULL);
 
   // Visit objects in thread specific handles area.
   reusable_handles_.VisitObjectPointers(visitor);
+
+  if (pending_functions_ != GrowableObjectArray::null()) {
+    visitor->VisitPointer(
+        reinterpret_cast<RawObject**>(&pending_functions_));
+  }
 }
 
 
 void Thread::SetThreadInterrupter(ThreadInterruptCallback callback,
                                   void* data) {
   ASSERT(Thread::Current() == this);
   thread_interrupt_callback_ = callback;
   thread_interrupt_data_ = data;
 }
 
@@ skipping 81 matching lines @@
 Thread* ThreadIterator::Next() {
   ASSERT(Thread::thread_list_lock_ != NULL);
   ASSERT(Thread::thread_list_lock_->IsOwnedByCurrentThread());
   Thread* current = next_;
   next_ = next_->thread_list_next_;
   return current;
 }
 
 
 }  // namespace dart