[futex] Allow debugger to break in the middle of a futexWait

src/execution.cc

 // Copyright 2014 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/execution.h"
 
 #include "src/bootstrapper.h"
 #include "src/codegen.h"
 #include "src/deoptimizer.h"
 #include "src/messages.h"
@@ skipping 628 matching lines @@
 }
 
 
 void StackGuard::HandleGCInterrupt() {
   if (CheckAndClearInterrupt(GC_REQUEST)) {
     isolate_->heap()->HandleGCRequest();
   }
 }
 
 
-Object* StackGuard::HandleInterrupts() {
+Object* StackGuard::HandleInterrupts(BreakInNonDebuggableFlag flag) {
   if (CheckAndClearInterrupt(GC_REQUEST)) {
     isolate_->heap()->HandleGCRequest();
   }
 
   if (CheckDebugBreak() || CheckDebugCommand()) {
-    isolate_->debug()->HandleDebugBreak();
+    isolate_->debug()->HandleDebugBreak(flag);
   }
 
   if (CheckAndClearInterrupt(TERMINATE_EXECUTION)) {
     return isolate_->TerminateExecution();
   }
 
   if (CheckAndClearInterrupt(DEOPT_MARKED_ALLOCATION_SITES)) {
     isolate_->heap()->DeoptMarkedAllocationSites();
   }
 
   if (CheckAndClearInterrupt(INSTALL_CODE)) {
     DCHECK(isolate_->concurrent_recompilation_enabled());
     isolate_->optimizing_compile_dispatcher()->InstallOptimizedFunctions();
   }
 
   if (CheckAndClearInterrupt(API_INTERRUPT)) {
     // Callbacks must be invoked outside of ExecusionAccess lock.
     isolate_->InvokeApiInterruptCallbacks();
   }
 
   isolate_->counters()->stack_interrupts()->Increment();
   isolate_->counters()->runtime_profiler_ticks()->Increment();
   isolate_->runtime_profiler()->OptimizeNow();
 
   return isolate_->heap()->undefined_value();
 }
 
 }  // namespace internal
 }  // namespace v8