2019-01-11 20:47:10 +00:00
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// Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "vm/thread_state.h"
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2019-01-25 16:45:13 +00:00
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#include "vm/handles_impl.h"
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2019-01-11 20:47:10 +00:00
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#include "vm/zone.h"
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namespace dart {
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ThreadState::ThreadState(bool is_os_thread) : BaseThread(is_os_thread) {
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// This thread should not yet own any zones. If it does, we need to make sure
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// we've accounted for any memory it has already allocated.
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if (zone_ == nullptr) {
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ASSERT(current_zone_capacity_ == 0);
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} else {
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Zone* current = zone_;
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uintptr_t total_zone_capacity = 0;
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while (current != nullptr) {
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total_zone_capacity += current->CapacityInBytes();
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current = current->previous();
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}
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ASSERT(current_zone_capacity_ == total_zone_capacity);
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}
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}
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ThreadState::~ThreadState() {}
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bool ThreadState::ZoneIsOwnedByThread(Zone* zone) const {
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ASSERT(zone != nullptr);
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Zone* current = zone_;
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while (current != nullptr) {
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if (current == zone) {
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return true;
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}
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current = current->previous();
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}
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return false;
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}
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2019-01-25 16:45:13 +00:00
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bool ThreadState::IsValidZoneHandle(Dart_Handle object) const {
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Zone* zone = this->zone();
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while (zone != NULL) {
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if (zone->handles()->IsValidZoneHandle(reinterpret_cast<uword>(object))) {
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return true;
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}
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zone = zone->previous();
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}
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return false;
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}
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intptr_t ThreadState::CountZoneHandles() const {
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intptr_t count = 0;
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Zone* zone = this->zone();
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while (zone != NULL) {
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count += zone->handles()->CountZoneHandles();
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zone = zone->previous();
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}
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ASSERT(count >= 0);
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return count;
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}
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bool ThreadState::IsValidScopedHandle(Dart_Handle object) const {
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Zone* zone = this->zone();
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while (zone != NULL) {
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if (zone->handles()->IsValidScopedHandle(reinterpret_cast<uword>(object))) {
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return true;
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}
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zone = zone->previous();
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}
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return false;
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}
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intptr_t ThreadState::CountScopedHandles() const {
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intptr_t count = 0;
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Zone* zone = this->zone();
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while (zone != NULL) {
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count += zone->handles()->CountScopedHandles();
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zone = zone->previous();
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}
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ASSERT(count >= 0);
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return count;
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}
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2019-01-11 20:47:10 +00:00
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} // namespace dart
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