Chunk-wise marking stack processing.

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/object.h"
@@ skipping 121 matching lines @@
   InterruptableThreadState* thread_state =
       ThreadInterrupter::GetCurrentThreadState();
 #if defined(DEBUG)
   Isolate::CheckForDuplicateThreadState(thread_state);
 #endif
   ASSERT(thread_state != NULL);
   Profiler::BeginExecution(isolate);
   isolate->set_thread_state(thread_state);
   isolate->set_vm_tag(VMTag::kVMTagId);
   ASSERT(thread->store_buffer_block_ == NULL);
-  thread->store_buffer_block_ = isolate->store_buffer()->PopBlock();
+  thread->store_buffer_block_ = isolate->store_buffer()->PopNonFullBlock();
   ASSERT(isolate->heap() != NULL);
   thread->heap_ = isolate->heap();
   thread->Schedule(isolate);
 }
 
 
 void Thread::ExitIsolate() {
   Thread* thread = Thread::Current();
   // TODO(koda): Audit callers; they should know whether they're in an isolate.
   if (thread == NULL || thread->isolate() == NULL) return;
@@ skipping 53 matching lines @@
   sb->PushBlock(block, kCheckThreshold);
   thread->store_buffer_block_ = sb->PopEmptyBlock();
 }
 
 
 void Thread::StoreBufferBlockProcess(bool check_threshold) {
   StoreBuffer* sb = isolate()->store_buffer();
   StoreBufferBlock* block = store_buffer_block_;
   store_buffer_block_ = NULL;
   sb->PushBlock(block, check_threshold);
-  store_buffer_block_ = sb->PopBlock();
+  store_buffer_block_ = sb->PopNonFullBlock();
 }
 
 
 void Thread::StoreBufferAddObject(RawObject* obj) {
   store_buffer_block_->Push(obj);
   if (store_buffer_block_->IsFull()) {
     StoreBufferBlockProcess(true);
   }
 }
 
@@ skipping 31 matching lines @@
 #define COMPUTE_OFFSET(type_name, member_name, expr, default_init_value)       \
   ASSERT((expr)->IsVMHeapObject());                                            \
   if (object.raw() == expr) return Thread::member_name##offset();
 CACHED_VM_OBJECTS_LIST(COMPUTE_OFFSET)
 #undef COMPUTE_OFFSET
   UNREACHABLE();
   return -1;
 }
 
 }  // namespace dart