Merged: Only flush not yet started and finished compile jobs from gc

src/heap/heap.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/heap/heap.h"
 
 #include "src/accessors.h"
 #include "src/api.h"
 #include "src/ast/context-slot-cache.h"
 #include "src/base/bits.h"
@@ skipping 846 matching lines @@
   // handles, but won't collect weakly reachable objects until next
   // major GC.  Therefore if we collect aggressively and weak handle callback
   // has been invoked, we rerun major GC to release objects which become
   // garbage.
   // Note: as weak callbacks can execute arbitrary code, we cannot
   // hope that eventually there will be no weak callbacks invocations.
   // Therefore stop recollecting after several attempts.
   if (isolate()->concurrent_recompilation_enabled()) {
     // The optimizing compiler may be unnecessarily holding on to memory.
     DisallowHeapAllocation no_recursive_gc;
-    isolate()->optimizing_compile_dispatcher()->Flush();
+    isolate()->optimizing_compile_dispatcher()->Flush(
+        OptimizingCompileDispatcher::BlockingBehavior::kDontBlock);
   }
   isolate()->ClearSerializerData();
   set_current_gc_flags(kMakeHeapIterableMask | kReduceMemoryFootprintMask);
   isolate_->compilation_cache()->Clear();
   const int kMaxNumberOfAttempts = 7;
   const int kMinNumberOfAttempts = 2;
   for (int attempt = 0; attempt < kMaxNumberOfAttempts; attempt++) {
     if (!CollectGarbage(MARK_COMPACTOR, gc_reason, NULL,
                         v8::kGCCallbackFlagCollectAllAvailableGarbage) &&
         attempt + 1 >= kMinNumberOfAttempts) {
@@ skipping 176 matching lines @@
   if (!dependant_context) {
     tracer()->ResetSurvivalEvents();
     old_generation_size_configured_ = false;
     MemoryReducer::Event event;
     event.type = MemoryReducer::kPossibleGarbage;
     event.time_ms = MonotonicallyIncreasingTimeInMs();
     memory_reducer_->NotifyPossibleGarbage(event);
   }
   if (isolate()->concurrent_recompilation_enabled()) {
     // Flush the queued recompilation tasks.
-    isolate()->optimizing_compile_dispatcher()->Flush();
+    isolate()->optimizing_compile_dispatcher()->Flush(
+        OptimizingCompileDispatcher::BlockingBehavior::kDontBlock);
   }
   AgeInlineCaches();
   number_of_disposed_maps_ = retained_maps()->Length();
   tracer()->AddContextDisposalTime(MonotonicallyIncreasingTimeInMs());
   return ++contexts_disposed_;
 }
 
 void Heap::StartIncrementalMarking(int gc_flags,
                                    GarbageCollectionReason gc_reason,
                                    GCCallbackFlags gc_callback_flags) {
@@ skipping 3326 matching lines @@
 
   Heap* heap_;
   DISALLOW_COPY_AND_ASSIGN(MemoryPressureInterruptTask);
 };
 
 void Heap::CheckMemoryPressure() {
   if (HighMemoryPressure()) {
     if (isolate()->concurrent_recompilation_enabled()) {
       // The optimizing compiler may be unnecessarily holding on to memory.
       DisallowHeapAllocation no_recursive_gc;
-      isolate()->optimizing_compile_dispatcher()->Flush();
+      isolate()->optimizing_compile_dispatcher()->Flush(
+          OptimizingCompileDispatcher::BlockingBehavior::kDontBlock);
     }
   }
   if (memory_pressure_level_.Value() == MemoryPressureLevel::kCritical) {
     CollectGarbageOnMemoryPressure();
   } else if (memory_pressure_level_.Value() == MemoryPressureLevel::kModerate) {
     if (FLAG_incremental_marking && incremental_marking()->IsStopped()) {
       StartIncrementalMarking(kReduceMemoryFootprintMask,
                               GarbageCollectionReason::kMemoryPressure);
     }
   }
@@ skipping 2054 matching lines @@
 }
 
 
 // static
 int Heap::GetStaticVisitorIdForMap(Map* map) {
   return StaticVisitorBase::GetVisitorId(map);
 }
 
 }  // namespace internal
 }  // namespace v8