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Unified Diff: src/zone/zone.h

Issue 2360403003: Revert of Replaced different means of zone pooling/reusing by one zone segment pool (Closed)
Patch Set: Created 4 years, 3 months ago
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Index: src/zone/zone.h
diff --git a/src/zone/zone.h b/src/zone/zone.h
index 3f37942e7c48b15ff5e2530833c967149bda071f..752a03564b640103e36f8ae7ebbce3ea431c8db7 100644
--- a/src/zone/zone.h
+++ b/src/zone/zone.h
@@ -44,6 +44,9 @@
return static_cast<T*>(New(length * sizeof(T)));
}
+ // Deletes all objects and free all memory allocated in the Zone.
+ void DeleteAll();
+
// Returns true if more memory has been allocated in zones than
// the limit allows.
bool excess_allocation() const {
@@ -74,9 +77,6 @@
// Report zone excess when allocation exceeds this limit.
static const size_t kExcessLimit = 256 * MB;
- // Deletes all objects and free all memory allocated in the Zone.
- void DeleteAll();
-
// The number of bytes allocated in this zone so far.
size_t allocation_size_;
@@ -123,6 +123,19 @@
// Zone::DeleteAll() to delete all zone objects in one go.
void operator delete(void*, size_t) { UNREACHABLE(); }
void operator delete(void* pointer, Zone* zone) { UNREACHABLE(); }
+};
+
+// The ZoneScope is used to automatically call DeleteAll() on a
+// Zone when the ZoneScope is destroyed (i.e. goes out of scope)
+class ZoneScope final {
+ public:
+ explicit ZoneScope(Zone* zone) : zone_(zone) {}
+ ~ZoneScope() { zone_->DeleteAll(); }
+
+ Zone* zone() const { return zone_; }
+
+ private:
+ Zone* zone_;
};
// The ZoneAllocationPolicy is used to specialize generic data
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