void V8::DisposeGlobal(i::Object** obj) {
LOG_API("DisposeGlobal");
if (!i::V8::IsRunning()) return;
- if ((*obj)->IsGlobalContext()) i::Heap::NotifyContextDisposedDeprecated();
i::GlobalHandles::Destroy(obj);
}
i::Handle<i::Context> env;
{
ENTER_V8;
-#if defined(ANDROID)
- // On mobile device, full GC is expensive, leave it to the system to
- // decide when should make a full GC.
-#else
- // Give the heap a chance to cleanup if we've disposed contexts.
- i::Heap::CollectAllGarbageIfContextDisposedDeprecated();
-#endif
v8::Handle<ObjectTemplate> proxy_template = global_template;
i::Handle<i::FunctionTemplateInfo> proxy_constructor;
i::Handle<i::FunctionTemplateInfo> global_constructor;
int Heap::always_allocate_scope_depth_ = 0;
int Heap::linear_allocation_scope_depth_ = 0;
-
int Heap::contexts_disposed_ = 0;
-bool Heap::context_disposed_use_deprecated_heuristic_ = true;
-bool Heap::context_disposed_deprecated_pending_ = false;
#ifdef DEBUG
bool Heap::allocation_allowed_ = true;
}
-void Heap::CollectAllGarbageIfContextDisposedDeprecated() {
- if (!context_disposed_use_deprecated_heuristic_) return;
- // If the garbage collector interface is exposed through the global
- // gc() function, we avoid being clever about forcing GCs when
- // contexts are disposed and leave it to the embedder to make
- // informed decisions about when to force a collection.
- if (!FLAG_expose_gc && context_disposed_deprecated_pending_) {
- HistogramTimerScope scope(&Counters::gc_context);
- CollectAllGarbage(false);
- }
- context_disposed_deprecated_pending_ = false;
-}
-
-
void Heap::NotifyContextDisposed() {
- context_disposed_use_deprecated_heuristic_ = false;
contexts_disposed_++;
}
-void Heap::NotifyContextDisposedDeprecated() {
- if (!context_disposed_use_deprecated_heuristic_) return;
- context_disposed_deprecated_pending_ = true;
-}
-
-
bool Heap::CollectGarbage(int requested_size, AllocationSpace space) {
// The VM is in the GC state until exiting this function.
VMState state(GC);
Counters::objs_since_last_full.Set(0);
contexts_disposed_ = 0;
- context_disposed_deprecated_pending_ = false;
}
// parameter is true.
static void CollectAllGarbage(bool force_compaction);
- // Performs a full garbage collection if a context has been disposed
- // since the last time the check was performed.
- static void CollectAllGarbageIfContextDisposedDeprecated();
-
// Notify the heap that a context has been disposed.
static void NotifyContextDisposed();
- static void NotifyContextDisposedDeprecated();
// Utility to invoke the scavenger. This is needed in test code to
// ensure correct callback for weak global handles.
// For keeping track of context disposals.
static int contexts_disposed_;
- static bool context_disposed_use_deprecated_heuristic_;
- static bool context_disposed_deprecated_pending_;
#if defined(V8_TARGET_ARCH_X64)
static const int kMaxObjectSizeInNewSpace = 512*KB;