Clean up stack guard interrupts.

src/runtime.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 <stdlib.h>
 #include <limits>
 
 #include "v8.h"
 
 #include "accessors.h"
@@ skipping 9567 matching lines @@
 
 RUNTIME_FUNCTION(RuntimeHidden_StackGuard) {
   SealHandleScope shs(isolate);
   ASSERT(args.length() == 0);
 
   // First check if this is a real stack overflow.
   if (isolate->stack_guard()->IsStackOverflow()) {
     return isolate->StackOverflow();
   }
 
-  return Execution::HandleStackGuardInterrupt(isolate);
+  return isolate->stack_guard()->HandleInterrupts();
 }
 
 
 RUNTIME_FUNCTION(RuntimeHidden_TryInstallOptimizedCode) {
   HandleScope scope(isolate);
   ASSERT(args.length() == 1);
   CONVERT_ARG_HANDLE_CHECKED(JSFunction, function, 0);
 
   // First check if this is a real stack overflow.
   if (isolate->stack_guard()->IsStackOverflow()) {
     SealHandleScope shs(isolate);
     return isolate->StackOverflow();
   }
 
   isolate->optimizing_compiler_thread()->InstallOptimizedFunctions();
   return (function->IsOptimized()) ? function->code()
                                    : function->shared()->code();
 }
 
 
 RUNTIME_FUNCTION(RuntimeHidden_Interrupt) {
   SealHandleScope shs(isolate);
   ASSERT(args.length() == 0);
-  return Execution::HandleStackGuardInterrupt(isolate);
+  return isolate->stack_guard()->HandleInterrupts();
 }
 
 
 static int StackSize(Isolate* isolate) {
   int n = 0;
   for (JavaScriptFrameIterator it(isolate); !it.done(); it.Advance()) n++;
   return n;
 }
 
 
@@ skipping 1152 matching lines @@
   ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
       isolate, result,
       JSObject::GetAccessor(Handle<JSObject>::cast(receiver), name, component));
   return *result;
 }
 
 
 RUNTIME_FUNCTION(Runtime_DebugBreak) {
   SealHandleScope shs(isolate);
   ASSERT(args.length() == 0);
-  return Execution::DebugBreakHelper(isolate);
+  Execution::DebugBreakHelper(isolate);
+  return isolate->heap()->undefined_value();
 }
 
 
 // Helper functions for wrapping and unwrapping stack frame ids.
 static Smi* WrapFrameId(StackFrame::Id id) {
   ASSERT(IsAligned(OffsetFrom(id), static_cast<intptr_t>(4)));
   return Smi::FromInt(id >> 2);
 }
 
 
@@ skipping 16 matching lines @@
   CONVERT_ARG_HANDLE_CHECKED(Object, data, 1);
   isolate->debugger()->SetEventListener(callback, data);
 
   return isolate->heap()->undefined_value();
 }
 
 
 RUNTIME_FUNCTION(Runtime_Break) {
   SealHandleScope shs(isolate);
   ASSERT(args.length() == 0);
-  isolate->stack_guard()->DebugBreak();
+  isolate->stack_guard()->RequestDebugBreak();
   return isolate->heap()->undefined_value();
 }
 
 
 static Handle<Object> DebugLookupResultValue(Isolate* isolate,
                                              Handle<Object> receiver,
                                              Handle<Name> name,
                                              LookupResult* result,
                                              bool* has_caught = NULL) {
   Handle<Object> value = isolate->factory()->undefined_value();
@@ skipping 4407 matching lines @@
   }
   return NULL;
 }
 
 
 const Runtime::Function* Runtime::FunctionForId(Runtime::FunctionId id) {
   return &(kIntrinsicFunctions[static_cast<int>(id)]);
 }
 
 } }  // namespace v8::internal